Analysis
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max time kernel
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max time network
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platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
22-08-2024 11:02
Static task
static1
Behavioral task
behavioral1
Sample
b76317bdbd12e57ba8a4dfea7228f210_JaffaCakes118.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
b76317bdbd12e57ba8a4dfea7228f210_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
b76317bdbd12e57ba8a4dfea7228f210_JaffaCakes118.exe
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Size
348KB
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MD5
b76317bdbd12e57ba8a4dfea7228f210
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SHA1
fa35ac56dc88227270c29c0c6277f010516c5d0c
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SHA256
4e2b630b85c55a5731e31e38b540539acadabf38210a643116849383ea2e2fab
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SHA512
ffa273559e500c82e5c8b2d0e02238d12b744a2057969437f10d26fe18f9bbbc141c075263b54165a9b970c42323db8a69fbbe6d0a9546b664b766d308759f63
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SSDEEP
6144:wMuR9dHqs2LiZuhYnNfjO+/h9HqR0mJwTWSeULSave2:kR9dHqs0ivnv3HlmSTbeU7
Malware Config
Signatures
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resource yara_rule behavioral1/memory/2836-4-0x0000000000400000-0x000000000047C000-memory.dmp upx behavioral1/memory/2836-7-0x0000000000400000-0x000000000047C000-memory.dmp upx behavioral1/memory/2836-8-0x0000000000400000-0x000000000047C000-memory.dmp upx behavioral1/memory/2836-12-0x0000000000400000-0x000000000047C000-memory.dmp upx behavioral1/memory/2836-11-0x0000000000400000-0x000000000047C000-memory.dmp upx behavioral1/memory/2836-9-0x0000000000400000-0x000000000047C000-memory.dmp upx behavioral1/memory/2836-10-0x0000000000400000-0x000000000047C000-memory.dmp upx behavioral1/memory/2836-13-0x0000000000400000-0x000000000047C000-memory.dmp upx behavioral1/memory/2836-22-0x0000000000400000-0x000000000047C000-memory.dmp upx behavioral1/memory/2836-23-0x0000000000400000-0x000000000047C000-memory.dmp upx behavioral1/memory/2836-25-0x0000000000400000-0x000000000047C000-memory.dmp upx behavioral1/memory/2836-28-0x0000000000400000-0x000000000047C000-memory.dmp upx behavioral1/memory/2836-31-0x0000000000400000-0x000000000047C000-memory.dmp upx behavioral1/memory/2836-33-0x0000000000400000-0x000000000047C000-memory.dmp upx behavioral1/memory/2836-36-0x0000000000400000-0x000000000047C000-memory.dmp upx behavioral1/memory/2836-38-0x0000000000400000-0x000000000047C000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\SSS = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b76317bdbd12e57ba8a4dfea7228f210_JaffaCakes118.exe /cs:1 " b76317bdbd12e57ba8a4dfea7228f210_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\SSS = "\"C:\\ProgramData\\4504ca\\SS450_2033.exe\" /s" b76317bdbd12e57ba8a4dfea7228f210_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\ b76317bdbd12e57ba8a4dfea7228f210_JaffaCakes118.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1724 set thread context of 2836 1724 b76317bdbd12e57ba8a4dfea7228f210_JaffaCakes118.exe 29 -
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 b76317bdbd12e57ba8a4dfea7228f210_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b76317bdbd12e57ba8a4dfea7228f210_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe -
Kills process with taskkill 1 IoCs
pid Process 2924 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2924 taskkill.exe -
Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 1724 wrote to memory of 2836 1724 b76317bdbd12e57ba8a4dfea7228f210_JaffaCakes118.exe 29 PID 1724 wrote to memory of 2836 1724 b76317bdbd12e57ba8a4dfea7228f210_JaffaCakes118.exe 29 PID 1724 wrote to memory of 2836 1724 b76317bdbd12e57ba8a4dfea7228f210_JaffaCakes118.exe 29 PID 1724 wrote to memory of 2836 1724 b76317bdbd12e57ba8a4dfea7228f210_JaffaCakes118.exe 29 PID 1724 wrote to memory of 2836 1724 b76317bdbd12e57ba8a4dfea7228f210_JaffaCakes118.exe 29 PID 1724 wrote to memory of 2836 1724 b76317bdbd12e57ba8a4dfea7228f210_JaffaCakes118.exe 29 PID 2836 wrote to memory of 2924 2836 b76317bdbd12e57ba8a4dfea7228f210_JaffaCakes118.exe 30 PID 2836 wrote to memory of 2924 2836 b76317bdbd12e57ba8a4dfea7228f210_JaffaCakes118.exe 30 PID 2836 wrote to memory of 2924 2836 b76317bdbd12e57ba8a4dfea7228f210_JaffaCakes118.exe 30 PID 2836 wrote to memory of 2924 2836 b76317bdbd12e57ba8a4dfea7228f210_JaffaCakes118.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\b76317bdbd12e57ba8a4dfea7228f210_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\b76317bdbd12e57ba8a4dfea7228f210_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1724 -
C:\Users\Admin\AppData\Local\Temp\b76317bdbd12e57ba8a4dfea7228f210_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\b76317bdbd12e57ba8a4dfea7228f210_JaffaCakes118.exe" "C:\Users\Admin\AppData\Local\Temp\b76317bdbd12e57ba8a4dfea7228f210_JaffaCakes118.exe"2⤵
- 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:2836 -
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:2924
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