Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
29-03-2024 02:14
Static task
static1
Behavioral task
behavioral1
Sample
15ff5326b957a8b747b95c47d6a65741_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
15ff5326b957a8b747b95c47d6a65741_JaffaCakes118.exe
Resource
win10v2004-20240226-en
General
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Target
15ff5326b957a8b747b95c47d6a65741_JaffaCakes118.exe
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Size
908KB
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MD5
15ff5326b957a8b747b95c47d6a65741
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SHA1
0d9c5be1f1c3c71e4a7971743624932f834a3499
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SHA256
3db9de8b202f6b0643516cf6f89e1c70acc7b2f17d8341fd830e96843cbcc44e
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SHA512
ebe3f5a5294c82c0b92ba55770902b932ca2d708879d3a15f8940fe5602ca95434bfb1282cc93d7966ed23e1a28f1402ae3203cf0e12537820651a55d8717a59
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SSDEEP
12288:QqjqRBa80gi+TCUQpd6KA26mY6nltHnhm9FXRN:QwqN0gi+TCUQvHEFXf
Malware Config
Signatures
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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-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\International\Geo\Nation 15ff5326b957a8b747b95c47d6a65741_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 2284 print.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\model = "C:\\Users\\Admin\\AppData\\Roaming\\model\\print.exe" 15ff5326b957a8b747b95c47d6a65741_JaffaCakes118.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2284 set thread context of 3940 2284 print.exe 97 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3940 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3940 RegAsm.exe Token: 33 3940 RegAsm.exe Token: SeIncBasePriorityPrivilege 3940 RegAsm.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3940 RegAsm.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1528 wrote to memory of 2284 1528 15ff5326b957a8b747b95c47d6a65741_JaffaCakes118.exe 96 PID 1528 wrote to memory of 2284 1528 15ff5326b957a8b747b95c47d6a65741_JaffaCakes118.exe 96 PID 1528 wrote to memory of 2284 1528 15ff5326b957a8b747b95c47d6a65741_JaffaCakes118.exe 96 PID 2284 wrote to memory of 3940 2284 print.exe 97 PID 2284 wrote to memory of 3940 2284 print.exe 97 PID 2284 wrote to memory of 3940 2284 print.exe 97 PID 2284 wrote to memory of 3940 2284 print.exe 97 PID 2284 wrote to memory of 3940 2284 print.exe 97 PID 2284 wrote to memory of 3940 2284 print.exe 97 PID 2284 wrote to memory of 3940 2284 print.exe 97 PID 2284 wrote to memory of 3940 2284 print.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\15ff5326b957a8b747b95c47d6a65741_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\15ff5326b957a8b747b95c47d6a65741_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1528 -
C:\Users\Admin\AppData\Roaming\model\print.exe"C:\Users\Admin\AppData\Roaming\model\print.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2284 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3940
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C:\Windows\system32\wbem\WmiApSrv.exeC:\Windows\system32\wbem\WmiApSrv.exe1⤵PID:2604
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
908KB
MD5f49ac96a176748516b30b38078e8e153
SHA1cc86efb8b803fadc487574143e7776d7ff7fed0d
SHA25655f96a3fd173fbf5b7047d3b7bf9f46e5b58266bd9ed9ecb5434e3683df623f4
SHA5129783f568dad8c0ab27c0eef3ac2109e77272607698e5ce9cb90e1f6dfee3199cdb25d3a52f5d790008314bf94209b8821490725567915d0f1addace92d04740c