Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
17-10-2024 18:34
Static task
static1
Behavioral task
behavioral1
Sample
531ae18ac0f3bc65ecaa43dc7cb259a3_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
531ae18ac0f3bc65ecaa43dc7cb259a3_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
531ae18ac0f3bc65ecaa43dc7cb259a3_JaffaCakes118.exe
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Size
165KB
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MD5
531ae18ac0f3bc65ecaa43dc7cb259a3
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SHA1
d6db0f18a9a0e671a1b212322764d725536fc0fe
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SHA256
3788a7494811be182e089b1506a300e33497e8f95397d449b69f9abcbab670c9
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SHA512
0c703a4af91832c8b8cb0491d3a9b39197b3bb648853c98e740152d8133858b6287c4bb263820bb78eb2e878310aca17a536b590d9de7e6c575ddd30ea132334
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SSDEEP
3072:W4HCWau/PlYeuL7ZLFh6Ca6cbL9l2hzB3fJCC6j8+Er6ez4:ViI/PlY37ZLF4Ca6WABqBOvs
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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation 531ae18ac0f3bc65ecaa43dc7cb259a3_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 1500 ins8931.exe -
Drops desktop.ini file(s) 2 IoCs
description ioc Process File opened for modification C:\Windows\assembly\Desktop.ini ins8931.exe File created C:\Windows\assembly\Desktop.ini ins8931.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\assembly\Desktop.ini ins8931.exe File opened for modification C:\Windows\assembly ins8931.exe File created C:\Windows\assembly\Desktop.ini ins8931.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 531ae18ac0f3bc65ecaa43dc7cb259a3_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ins8931.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1500 ins8931.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1500 ins8931.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1500 ins8931.exe 1500 ins8931.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1004 wrote to memory of 1500 1004 531ae18ac0f3bc65ecaa43dc7cb259a3_JaffaCakes118.exe 84 PID 1004 wrote to memory of 1500 1004 531ae18ac0f3bc65ecaa43dc7cb259a3_JaffaCakes118.exe 84 PID 1004 wrote to memory of 1500 1004 531ae18ac0f3bc65ecaa43dc7cb259a3_JaffaCakes118.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\531ae18ac0f3bc65ecaa43dc7cb259a3_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\531ae18ac0f3bc65ecaa43dc7cb259a3_JaffaCakes118.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1004 -
C:\Users\Admin\AppData\Local\Temp\ins8931\ins8931.exe"C:\Users\Admin\AppData\Local\Temp\ins8931\ins8931.exe" ins.exe /e6915314 /u515d4405-fa50-47e3-b66f-4c1f5bc06f2f2⤵
- Executes dropped EXE
- Drops desktop.ini file(s)
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1500
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
257KB
MD5ae117f47bd80e5dcf72cf81347fceb73
SHA11cd3e4c5fc9fb317b7a8eae6c94d53078800b635
SHA25649b0ec8a4000cb30f15b318bef4b6f59be2d0f7365be4c4b2b4fd5607e16e23c
SHA51272d322ec9b13e9ede1967707129f2941328ec75487aa5ea205eab0780ef26c33f253204ce08932052a6ed19d13bd62e68b4f795ef17717b9f31e5a76a9f0c16f