YARA · Malpedia signator rules
MALPEDIA_Win_Ransomhub_Auto
autogenerated rule brought to you by yara-signator
MalwareRansomhubMalpedia signator rulesCreative Commons Attribution-ShareAlike 4.0Compiles with YARA-X
- Author
- Felix Bilstein - yara-signator at cocacoding dot com
- Date
- 2026-05-04
- Modified
- 2026-05-18
- Score / Quality
- 75 / 75
What this rule detects
autogenerated rule brought to you by yara-signator
Associated malware family: Ransomhub.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-ransomhub-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Ransomhub_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "7f0dcd12-657d-5b0f-8e9a-ee3005dc36b9"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.ransomhub"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.ransomhub_auto.yar#L1-L134"
= "N/A"
= "bb77ad35ebd6a8974aeb3f02e410ce4c914bb83c0cb552b114febdf9722d7214"
= 75
= 75
= "FILE"
= "1"
= "yara-signator v0.6.0"
= "callsandjumps;datarefs;binvalue"
= "20260422"
= "a182e35da64e6d71cb55f125c4d4225196523f14"
= "20260504"
= "CC BY-SA 4.0"
= "TLP:WHITE"
strings:
$sequence_0 = { e8???????? 488d7810 e8???????? e8???????? 4889c1 4889df 488d05d9992200 }
$sequence_1 = { 88442446 4c89d0 bf01000000 488d35d42c2a00 e8???????? 488b7c2458 48894f10 }
$sequence_2 = { 48bad56e6ff840cf319f 4889542450 48ba85ddfddbb9232823 4889542458 440f117c242c 440f117c242e 0fb6542442 }
$sequence_3 = { b801000000 eb0f 89d0 4c8b5c2448 488b942498000000 84c0 0f84d1010000 }
$sequence_4 = { 4c8d25aaa35600 4f8b2cd4 48d3e2 4c21ca 4f8d0452 4e8b4cc010 4e8b04c0 }
$sequence_5 = { 752f 4889d8 4889cb 488d0d722c3800 e8???????? 84c0 7566 }
$sequence_6 = { 807e3100 0f8585010000 90 beffffffff 4c8d054f835d00 f0410fc130 488b7128 }
$sequence_7 = { e8???????? 0f1f00 4885c0 7444 90 48ba046957830785f12d 4889542471 }
$sequence_8 = { b805000000 488d0d09151a00 4889c3 4889c8 488b6c2430 4883c438 c3 }
$sequence_9 = { 90 7512 488b4c2458 48894808 488905???????? eb1d 488d7808 }
condition:
7 of them and filesize < 12821504
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { e8???????? 488d7810 e8???????? e8???????? 4889c1 4889df 488d05d9992200 } | |
| $sequence_1 | hex | { 88442446 4c89d0 bf01000000 488d35d42c2a00 e8???????? 488b7c2458 48894f10 } | |
| $sequence_2 | hex | { 48bad56e6ff840cf319f 4889542450 48ba85ddfddbb9232823 4889542458 440f117c242c 440f117c242e 0fb6542442 } | |
| $sequence_3 | hex | { b801000000 eb0f 89d0 4c8b5c2448 488b942498000000 84c0 0f84d1010000 } | |
| $sequence_4 | hex | { 4c8d25aaa35600 4f8b2cd4 48d3e2 4c21ca 4f8d0452 4e8b4cc010 4e8b04c0 } | |
| $sequence_5 | hex | { 752f 4889d8 4889cb 488d0d722c3800 e8???????? 84c0 7566 } | |
| $sequence_6 | hex | { 807e3100 0f8585010000 90 beffffffff 4c8d054f835d00 f0410fc130 488b7128 } | |
| $sequence_7 | hex | { e8???????? 0f1f00 4885c0 7444 90 48ba046957830785f12d 4889542471 } | |
| $sequence_8 | hex | { b805000000 488d0d09151a00 4889c3 4889c8 488b6c2430 4883c438 c3 } | |
| $sequence_9 | hex | { 90 7512 488b4c2458 48894808 488905???????? eb1d 488d7808 } |
Condition
7 of them and filesize < 12821504In plain words (Heuristic)
- The file must be smaller than 12821504 (a cheap guard that skips large files).
- At least 7 patterns in the rule must match.
Test this rule in your browser
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Drop a file here or click to chooseScanned locally with YARA-X. Files up to 200 MB.
Licence & attribution
Author: Felix Bilstein - yara-signator at cocacoding dot com
Source repository: Malpedia signator rules @ c901f97b7d
Licence: Creative Commons Attribution-ShareAlike 4.0 (repository licence)
Mirrored via YARA Forge 20260927, which prefixes rule names with the source and adds normalised meta fields.
Rule id: 7f0dcd12-657d-5b0f-8e9a-ee3005dc36b9
Metadata
| version | 1 |
|---|---|
| tool | yara-signator v0.6.0 |
| signator_config | callsandjumps;datarefs;binvalue |
| malpedia_rule_date | 20260422 |
| malpedia_hash | a182e35da64e6d71cb55f125c4d4225196523f14 |
| malpedia_version | 20260504 |
| malpedia_license | CC BY-SA 4.0 |
| malpedia_sharing | TLP:WHITE |
Tags:FILE
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