YARA · CAPE Sandbox (CAPEv2)
CAPE_Doomedloader
No description has been set in the source file - CAPE
- Author
- kevoreilly
- Date
- 2024-04-12
- Modified
- 2024-05-09
- Score / Quality
- 75 / 70
What this rule detects
No description has been set in the source file - CAPE
Targets: Windows PE.
It defines 2 patterns (0 text, 2 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
doomedloader.yarGNU General Public License v3.0
rule CAPE_Doomedloader : FILE
{
meta:
= "No description has been set in the source file - CAPE"
= "kevoreilly"
= "88436e71-360e-5719-989f-24e71591ebe0"
= "2024-04-12"
= "2024-05-09"
= "https://github.com/kevoreilly/CAPEv2"
= "https://github.com/kevoreilly/CAPEv2/blob/6b15e76f28cd83fd1187da6c9aaaad2174255356/data/yara/CAPE/DoomedLoader.yar#L1-L12"
= "https://github.com/kevoreilly/CAPEv2/blob/6b15e76f28cd83fd1187da6c9aaaad2174255356/LICENSE"
= "54a5962ef49ebf987908c4ea1559788f7c96a7e4ea61d2973636e998a0239c77"
= 75
= 70
= "FILE"
= "DoomedLoader Payload"
= "914b1b3180e7ec1980d0bafe6fa36daade752bb26aec572399d2f59436eaa635"
strings:
$anti = {48 8B 4C 24 ?? E8 [4] 84 C0 B8 [4] 41 0F 45 C6 EB}
$syscall = {49 89 CA 8B 44 24 08 FF 64 24 10}
condition:
uint16( 0 ) == 0x5A4D and all of them
}
Strings (2 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $anti | hex | {48 8B 4C 24 ?? E8 [4] 84 C0 B8 [4] 41 0F 45 C6 EB} | |
| $syscall | hex | {49 89 CA 8B 44 24 08 FF 64 24 10} |
Condition
uint16( 0 ) == 0x5A4D and all of themIn plain words (Heuristic)
- The file must start with “MZ” — a Windows executable (PE).
- All patterns in the rule must match.
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References
Licence & attribution
Author: kevoreilly
Source repository: CAPE Sandbox (CAPEv2) @ 6b15e76f28
Licence: GNU General Public License v3.0 (repository licence)
Copyright notice: Cuckoo Sandbox is copyrighted by the Cuckoo Foundation.
Mirrored via YARA Forge 20260927, which prefixes rule names with the source and adds normalised meta fields.
Rule id: 88436e71-360e-5719-989f-24e71591ebe0
Metadata
| cape_type | DoomedLoader Payload |
|---|---|
| packed | 914b1b3180e7ec1980d0bafe6fa36daade752bb26aec572399d2f59436eaa635 |
Tags:FILE
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