Analysis
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max time kernel
150s -
max time network
135s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
27/09/2024, 07:03
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
f9f3b2808d2c21222aaae3c81b33c119_JaffaCakes118.exe
Resource
win7-20240903-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
f9f3b2808d2c21222aaae3c81b33c119_JaffaCakes118.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
9 signatures
150 seconds
General
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Target
f9f3b2808d2c21222aaae3c81b33c119_JaffaCakes118.exe
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Size
232KB
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MD5
f9f3b2808d2c21222aaae3c81b33c119
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SHA1
863a3a528efdeded966d252a0a2328b19ba2811a
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SHA256
4525da8963c5e0fac076ef92df23ba17741255d0b0b58affcc037ce4596a9963
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SHA512
8570397a65fd11a6bdaa4e5fe7f1c5cffa0bc8df3fa202dd380827809efba43a8b6cf6fae0d9acaba7d46db5298598f9e65619ee6ffab8a6f661886f6a72334c
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SSDEEP
6144:V63PFKs78g2KyEOaWEqxF6snji81RUinKdNOAK:yPh+mFU
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" f9f3b2808d2c21222aaae3c81b33c119_JaffaCakes118.exe Set value (int) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" koeajim.exe -
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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation f9f3b2808d2c21222aaae3c81b33c119_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 4888 koeajim.exe -
Adds Run key to start application 2 TTPs 27 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeajim = "C:\\Users\\Admin\\koeajim.exe /o" koeajim.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeajim = "C:\\Users\\Admin\\koeajim.exe /n" koeajim.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeajim = "C:\\Users\\Admin\\koeajim.exe /h" koeajim.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeajim = "C:\\Users\\Admin\\koeajim.exe /y" koeajim.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeajim = "C:\\Users\\Admin\\koeajim.exe /d" koeajim.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeajim = "C:\\Users\\Admin\\koeajim.exe /p" koeajim.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeajim = "C:\\Users\\Admin\\koeajim.exe /m" koeajim.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeajim = "C:\\Users\\Admin\\koeajim.exe /i" koeajim.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeajim = "C:\\Users\\Admin\\koeajim.exe /g" koeajim.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeajim = "C:\\Users\\Admin\\koeajim.exe /j" koeajim.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeajim = "C:\\Users\\Admin\\koeajim.exe /k" koeajim.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeajim = "C:\\Users\\Admin\\koeajim.exe /a" koeajim.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeajim = "C:\\Users\\Admin\\koeajim.exe /l" koeajim.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeajim = "C:\\Users\\Admin\\koeajim.exe /v" koeajim.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeajim = "C:\\Users\\Admin\\koeajim.exe /r" koeajim.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeajim = "C:\\Users\\Admin\\koeajim.exe /b" koeajim.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeajim = "C:\\Users\\Admin\\koeajim.exe /f" koeajim.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeajim = "C:\\Users\\Admin\\koeajim.exe /e" koeajim.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeajim = "C:\\Users\\Admin\\koeajim.exe /s" koeajim.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeajim = "C:\\Users\\Admin\\koeajim.exe /t" koeajim.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeajim = "C:\\Users\\Admin\\koeajim.exe /z" koeajim.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeajim = "C:\\Users\\Admin\\koeajim.exe /u" koeajim.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeajim = "C:\\Users\\Admin\\koeajim.exe /q" koeajim.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeajim = "C:\\Users\\Admin\\koeajim.exe /w" koeajim.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeajim = "C:\\Users\\Admin\\koeajim.exe /n" f9f3b2808d2c21222aaae3c81b33c119_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeajim = "C:\\Users\\Admin\\koeajim.exe /c" koeajim.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeajim = "C:\\Users\\Admin\\koeajim.exe /x" koeajim.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 f9f3b2808d2c21222aaae3c81b33c119_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language koeajim.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3828 f9f3b2808d2c21222aaae3c81b33c119_JaffaCakes118.exe 3828 f9f3b2808d2c21222aaae3c81b33c119_JaffaCakes118.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe 4888 koeajim.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3828 f9f3b2808d2c21222aaae3c81b33c119_JaffaCakes118.exe 4888 koeajim.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3828 wrote to memory of 4888 3828 f9f3b2808d2c21222aaae3c81b33c119_JaffaCakes118.exe 82 PID 3828 wrote to memory of 4888 3828 f9f3b2808d2c21222aaae3c81b33c119_JaffaCakes118.exe 82 PID 3828 wrote to memory of 4888 3828 f9f3b2808d2c21222aaae3c81b33c119_JaffaCakes118.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\f9f3b2808d2c21222aaae3c81b33c119_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f9f3b2808d2c21222aaae3c81b33c119_JaffaCakes118.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3828 -
C:\Users\Admin\koeajim.exe"C:\Users\Admin\koeajim.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4888
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
232KB
MD5a35438eee96641bcd25932581a46494b
SHA146e0100f63b8d0b2ce5f51731a6762c1c7212157
SHA256eb23bbca784975c9ffe714afa39ff41b8250c3889e8474c61c47cb918e963827
SHA512d6973aabd4e681890102ec0ec50508e97ff70f785c889e676d2548f503da917d0a0c348be007d896d4219da33e648b4ce3ebfd679a8c70e84c09a584fab30c0e