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Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240910-en -
resource tags
arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system -
submitted
30/09/2024, 16:12
Behavioral task
behavioral1
Sample
0237c09c63e83c1ce3f4b7b334d3ec01_JaffaCakes118.exe
Resource
win7-20240903-en
General
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Target
0237c09c63e83c1ce3f4b7b334d3ec01_JaffaCakes118.exe
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Size
419KB
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MD5
0237c09c63e83c1ce3f4b7b334d3ec01
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SHA1
1bd55c234e5604f11bb47b4acefe94bb648c2583
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SHA256
69a95cb3678349d3da03a48f499f58045ae50065fefa607f8c743b24f3fac284
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SHA512
9ca1a0c9e775d6897ad75864d3cd60d48aeaceeb51f7e20d8a032a88b9327d6e56353942f0282ef1bf83e392d08da2714a4a650906872116beb56216f656bf41
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SSDEEP
12288:I2Pn6uN/0ZBA9NoJ4ss7Ohl6+M/KG4hdjxv1NPlgdrFrHRPOV86gPOyl1F:RPPNszARBIs+1vpb2d5xT6yl1F
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-1-5-21-2629364133-3182087385-364449604-1000\Control Panel\International\Geo\Nation 0237c09c63e83c1ce3f4b7b334d3ec01_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 3504 resender.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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resource yara_rule behavioral2/memory/3932-0-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral2/files/0x000c000000023ba6-7.dat upx behavioral2/memory/3504-11-0x0000000000400000-0x0000000000490000-memory.dmp upx behavioral2/memory/3932-15-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral2/memory/3504-16-0x0000000000400000-0x0000000000490000-memory.dmp upx behavioral2/memory/3504-17-0x0000000000400000-0x0000000000490000-memory.dmp upx behavioral2/memory/3504-19-0x0000000000400000-0x0000000000490000-memory.dmp upx behavioral2/memory/3504-20-0x0000000000400000-0x0000000000490000-memory.dmp upx behavioral2/memory/3504-21-0x0000000000400000-0x0000000000490000-memory.dmp upx -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\resender.exe 0237c09c63e83c1ce3f4b7b334d3ec01_JaffaCakes118.exe File opened for modification C:\Windows\resender.exe 0237c09c63e83c1ce3f4b7b334d3ec01_JaffaCakes118.exe File created C:\Windows\pcne.exe 0237c09c63e83c1ce3f4b7b334d3ec01_JaffaCakes118.exe File opened for modification C:\Windows\pcne.exe 0237c09c63e83c1ce3f4b7b334d3ec01_JaffaCakes118.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 0237c09c63e83c1ce3f4b7b334d3ec01_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language resender.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3932 wrote to memory of 3504 3932 0237c09c63e83c1ce3f4b7b334d3ec01_JaffaCakes118.exe 86 PID 3932 wrote to memory of 3504 3932 0237c09c63e83c1ce3f4b7b334d3ec01_JaffaCakes118.exe 86 PID 3932 wrote to memory of 3504 3932 0237c09c63e83c1ce3f4b7b334d3ec01_JaffaCakes118.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\0237c09c63e83c1ce3f4b7b334d3ec01_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\0237c09c63e83c1ce3f4b7b334d3ec01_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3932 -
C:\WINDOWS\resender.exe"C:\WINDOWS\resender.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3504
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
210KB
MD5761c2ac828d38bbbf24ed341a11b59f0
SHA1ce5f747345444c140309731e97572175aaec3afa
SHA256c95f241c0f096cb548c20befca44a3e92d2e7e347af02466cac3f6344252e846
SHA51207fbcfc13c4d60a47c9e3fd2c35da39132b1075bc56d9f43fb3b105a1b7114d363c17e12175bd5c6caf7c8501c9e7c412c4138363a715a7781b17551f55c83b8