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Analysis
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max time kernel
94s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
31/01/2025, 13:46
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_6ac4e69497954391b80cef23c417d611.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
JaffaCakes118_6ac4e69497954391b80cef23c417d611.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_6ac4e69497954391b80cef23c417d611.exe
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Size
1.1MB
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MD5
6ac4e69497954391b80cef23c417d611
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SHA1
ae35fb3f8141e984eeba3b14b4aec23094bbb912
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SHA256
ab5ffc061324a6b34ecbdc888440f77bb867dcce5e6b507d038e1e6ebde88070
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SHA512
ab79fdadffe97905ced03252c040163cabb6fad45a84124b5e392d413ecba762ac528c33f4db436b496936f435ca308baba67f7d7899ab0d80a4af3d95569d01
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SSDEEP
24576:UHvZTZAMiGFPiYFFsqc7muQ/cKrpkBnUJJJePQrrp0Qcfe:cBTZ1FJrsqc7muyrphJyIrrp3cf
Malware Config
Signatures
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Ardamax family
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Ardamax main executable 1 IoCs
resource yara_rule behavioral2/files/0x000a000000023b96-8.dat family_ardamax -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation JaffaCakes118_6ac4e69497954391b80cef23c417d611.exe -
Executes dropped EXE 1 IoCs
pid Process 4476 GSF.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\GSF Start = "C:\\Windows\\SysWOW64\\PDLBLD\\GSF.exe" GSF.exe -
Drops file in System32 directory 5 IoCs
description ioc Process File created C:\Windows\SysWOW64\PDLBLD\GSF.004 JaffaCakes118_6ac4e69497954391b80cef23c417d611.exe File created C:\Windows\SysWOW64\PDLBLD\GSF.001 JaffaCakes118_6ac4e69497954391b80cef23c417d611.exe File created C:\Windows\SysWOW64\PDLBLD\GSF.002 JaffaCakes118_6ac4e69497954391b80cef23c417d611.exe File created C:\Windows\SysWOW64\PDLBLD\AKV.exe JaffaCakes118_6ac4e69497954391b80cef23c417d611.exe File created C:\Windows\SysWOW64\PDLBLD\GSF.exe JaffaCakes118_6ac4e69497954391b80cef23c417d611.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_6ac4e69497954391b80cef23c417d611.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language GSF.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4792 wrote to memory of 4476 4792 JaffaCakes118_6ac4e69497954391b80cef23c417d611.exe 82 PID 4792 wrote to memory of 4476 4792 JaffaCakes118_6ac4e69497954391b80cef23c417d611.exe 82 PID 4792 wrote to memory of 4476 4792 JaffaCakes118_6ac4e69497954391b80cef23c417d611.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6ac4e69497954391b80cef23c417d611.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6ac4e69497954391b80cef23c417d611.exe"1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4792 -
C:\Windows\SysWOW64\PDLBLD\GSF.exe"C:\Windows\system32\PDLBLD\GSF.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:4476
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
459KB
MD528f68e988bfb6a7c9d45d23058cf74e5
SHA1a0740aea5602429f844cc7ba35c637d26c59edf9
SHA2561dd66d2320104e426a9d8ae390d3199a6ae2ecadb85e35eed9c6ed7a1819d478
SHA512dccc2cb961f86a0e11a27976d9f53043df895edf8ca624ace1be2b002b5ce2c372a833b87fdbeb518ada7666c72d01b9724f5ba203b301af444e1ac01104fcda
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Filesize
61KB
MD5a2e848c23f0e2cca1974ea55e6a99779
SHA134a5a236c6bdfb6b9a47d5cd213147da7a507ad9
SHA256e852249a3fc489ee5c3fb4928dab911c4d826ef180f27faaa2f37a7179d231e4
SHA51270b67fd7368b0efdcaaad3cf8478b7519761afcb0578bded88f61bc357cbddf0c851e8248cab32c1d3b12dc933a33ccd23906aee695a9a9748a1d465566a108f
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Filesize
43KB
MD594aba5bdc0756bc2ceb5f521c4b620c6
SHA1fbfd46ae5704c7dd6d63b959c1edb869f7dd19cf
SHA2565bc8115fdcbe153a33a3feb65bc9eefe4e2a0357a145525f05689054939779e3
SHA5120f4e154a0813f39f76acc95ec70b87241017d4210b44395bea9ef66c31f0da05503cf8ad665e03fd0c7aed8084e99bf3358de699bbcae2ffbe5176987640e33b
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Filesize
1KB
MD537637b9cb4c12a92b07a73bf72f1f198
SHA1f1eb15f426b229944a0b49e6932cc647477ba809
SHA25646c342a81d425312025d24534df93fa78a9aaf256d95d9c9dce2623e333ab01f
SHA512843b44e8ab9e4c5511d6db69ebb629792de7490d2cd4bfcd2a52ff0663a67a38afba7188a9b282055c2b2f3a3d1310e1553bd944c6e84da3cd626a6b2dd239ca
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Filesize
1.5MB
MD5b2d5e28fcce82e8ee5e1c0b1502e8730
SHA12573726de59c9c342e3d77bf7436704e74ad90f4
SHA256b69590e97e053d49295aa1776526052caf3669579e81302825c954b0a4804095
SHA5120318b6cc12c373a200fdfd144af551c90e2db0219115c6d7d3ec43275f177831c71a06a1c9741cc9522defb293212375707df73e28824d4b37c1d8a6d7c0638b