YARA · Volexity threat-intel
VOLEXITY_Apt_Malware_Win_Applejeus_C_Oct22
Detects unpacked AppleJeus samples.
- Author
- threatintel@volexity.com
- Date
- 2022-11-03
- Modified
- 2023-09-28
- Score / Quality
- 75 / 80
What this rule detects
Detects unpacked AppleJeus samples.
Associated malware family: Applejeus.
It defines 5 patterns (5 text, 0 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
rule VOLEXITY_Apt_Malware_Win_Applejeus_C_Oct22 : LAZYPINE MEMORY
{
meta:
= "Detects unpacked AppleJeus samples."
= "threatintel@volexity.com"
= "c9cbddde-220c-5e26-8760-85c29b98bfeb"
= "2022-11-03"
= "2023-09-28"
= "https://www.volexity.com/blog/2022/12/01/buyer-beware-fake-cryptocurrency-applications-serving-as-front-for-applejeus-malware/"
= "https://github.com/volexity/threat-intel/blob/3a9d0b52459877ee866a9a0ba06e60059b778c77/2022/2022-12-01 Buyer Beware - Fake Cryptocurrency Applications Serving as Front for AppleJeus Malware/yara.yar#L57-L84"
= "https://github.com/volexity/threat-intel/blob/3a9d0b52459877ee866a9a0ba06e60059b778c77/LICENSE.txt"
= "a0db8f8f13a27df1eacbc01505f311f6b14cf9b84fbc7e84cb764a13f001dbbb"
= "a9e635d9353c8e5c4992beba79299fb889a7a3d5bc3eaf191f8bb7f51258a6c6"
= 75
= 80
= "LAZYPINE, MEMORY"
= "win"
= "all"
= "memory"
= "critical"
= "See license at https://github.com/volexity/threat-intel/blob/main/LICENSE.txt"
= 8519
= 3
strings:
$str1 = "%sd.e%sc \"%s > %s 2>&1\"" wide
$str2 = "tuid"
$str4 = "payload"
$str5 = "fconn"
$str6 = "Mozilla_%lu"
condition:
5 of ( $str* )
}
Strings (5 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $str1 | text | "%sd.e%sc \"%s > %s 2>&1\"" | wide |
| $str2 | text | "tuid" | |
| $str4 | text | "payload" | |
| $str5 | text | "fconn" | |
| $str6 | text | "Mozilla_%lu" |
Condition
5 of ( $str* )In plain words (Heuristic)
- At least 5 patterns in ( $str* ) must match.
Test this rule in your browser
Drop a file to scan it with this rule using YARA-X compiled to WebAssembly. Nothing is uploaded.
Sample hashes
Hashes of samples the author lists in the rule's meta (look them up in your threat-intelligence platform).
- a0db8f8f13a27df1eacbc01505f311f6b14cf9b84fbc7e84cb764a13f001dbbb
Licence & attribution
Author: threatintel@volexity.com
Source repository: Volexity threat-intel @ 3a9d0b5245
Licence: BSD 2-Clause License (stated in the rule's own meta)
“See license at https://github.com/volexity/threat-intel/blob/main/LICENSE.txt”
Copyright notice: Copyright 2022 by Volexity, Inc.
Mirrored via YARA Forge 20260927, which prefixes rule names with the source and adds normalised meta fields.
Rule id: c9cbddde-220c-5e26-8760-85c29b98bfeb
Metadata
| os | win |
|---|---|
| os_arch | all |
| scan_context | memory |
| severity | critical |
| rule_id | 8519 |
| version | 3 |
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