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Analysis
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max time kernel
145s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
26/07/2024, 09:27
Static task
static1
Behavioral task
behavioral1
Sample
7379266faf938b9800fb485ce1356199_JaffaCakes118.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
7379266faf938b9800fb485ce1356199_JaffaCakes118.exe
Resource
win10v2004-20240709-en
General
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Target
7379266faf938b9800fb485ce1356199_JaffaCakes118.exe
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Size
294KB
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MD5
7379266faf938b9800fb485ce1356199
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SHA1
707a2331f287222389726bcf52c9e07a26f97b81
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SHA256
aaf919a2e3851aacd5d92162dcb0bf8cb2867a40945fe89009a03bef33b15e26
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SHA512
177d73364fdc9cdf520fe1debf3956704726a4ea209a590b631a05c240b7a85e0abd5617527cb8ba3c317222f040b1a9f3423a8da434a8ab439c51cd90a04dfb
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SSDEEP
6144:i2n8sulpr3O5qJDqkS1zTWvpcpP9lzLWtkn:h8suTa5qg4it9l3Wts
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-1-5-21-1176886754-713327781-2233697964-1000\Control Panel\International\Geo\Nation 7379266faf938b9800fb485ce1356199_JaffaCakes118.exe -
resource yara_rule behavioral2/memory/5072-0-0x0000000000400000-0x0000000000484000-memory.dmp upx behavioral2/memory/5072-3-0x0000000000400000-0x0000000000484000-memory.dmp upx behavioral2/memory/5072-4-0x0000000000400000-0x0000000000484000-memory.dmp upx behavioral2/memory/5072-5-0x0000000000400000-0x0000000000484000-memory.dmp upx behavioral2/memory/5072-7-0x0000000000400000-0x0000000000484000-memory.dmp upx behavioral2/memory/5072-6-0x0000000000400000-0x0000000000484000-memory.dmp upx behavioral2/memory/5072-8-0x0000000000400000-0x0000000000484000-memory.dmp upx behavioral2/memory/5072-16-0x0000000000400000-0x0000000000484000-memory.dmp upx behavioral2/memory/5072-17-0x0000000000400000-0x0000000000484000-memory.dmp upx behavioral2/memory/5072-21-0x0000000000400000-0x0000000000484000-memory.dmp upx behavioral2/memory/5072-24-0x0000000000400000-0x0000000000484000-memory.dmp upx behavioral2/memory/5072-25-0x0000000000400000-0x0000000000484000-memory.dmp upx behavioral2/memory/5072-34-0x0000000000400000-0x0000000000484000-memory.dmp upx behavioral2/memory/5072-35-0x0000000000400000-0x0000000000484000-memory.dmp upx behavioral2/memory/5072-36-0x0000000000400000-0x0000000000484000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\PSG = "C:\\Users\\Admin\\AppData\\Local\\Temp\\7379266faf938b9800fb485ce1356199_JaffaCakes118.exe /cs:1 " 7379266faf938b9800fb485ce1356199_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\PSG = "\"C:\\89d8da\\PS89d_2121.exe\" /s" 7379266faf938b9800fb485ce1356199_JaffaCakes118.exe -
Checks for any installed AV software in registry 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Eset\Nod\ 7379266faf938b9800fb485ce1356199_JaffaCakes118.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 5088 set thread context of 5072 5088 7379266faf938b9800fb485ce1356199_JaffaCakes118.exe 92 -
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 3 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 7379266faf938b9800fb485ce1356199_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 7379266faf938b9800fb485ce1356199_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe -
Kills process with taskkill 1 IoCs
pid Process 2188 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2188 taskkill.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 5088 wrote to memory of 5072 5088 7379266faf938b9800fb485ce1356199_JaffaCakes118.exe 92 PID 5088 wrote to memory of 5072 5088 7379266faf938b9800fb485ce1356199_JaffaCakes118.exe 92 PID 5088 wrote to memory of 5072 5088 7379266faf938b9800fb485ce1356199_JaffaCakes118.exe 92 PID 5088 wrote to memory of 5072 5088 7379266faf938b9800fb485ce1356199_JaffaCakes118.exe 92 PID 5088 wrote to memory of 5072 5088 7379266faf938b9800fb485ce1356199_JaffaCakes118.exe 92 PID 5072 wrote to memory of 2188 5072 7379266faf938b9800fb485ce1356199_JaffaCakes118.exe 93 PID 5072 wrote to memory of 2188 5072 7379266faf938b9800fb485ce1356199_JaffaCakes118.exe 93 PID 5072 wrote to memory of 2188 5072 7379266faf938b9800fb485ce1356199_JaffaCakes118.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\7379266faf938b9800fb485ce1356199_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\7379266faf938b9800fb485ce1356199_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5088 -
C:\Users\Admin\AppData\Local\Temp\7379266faf938b9800fb485ce1356199_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\7379266faf938b9800fb485ce1356199_JaffaCakes118.exe" "C:\Users\Admin\AppData\Local\Temp\7379266faf938b9800fb485ce1356199_JaffaCakes118.exe"2⤵
- Checks computer location settings
- Adds Run key to start application
- Checks for any installed AV software in registry
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5072 -
C:\Windows\SysWOW64\taskkill.exetaskkill.exe /F /IM MSASCui* /IM avg* /IM ash* /IM McSA* /IM msse*3⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2188
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1