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Analysis
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max time kernel
120s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
06/09/2024, 15:28
Static task
static1
Behavioral task
behavioral1
Sample
cfda42008fbc405156cdf34a1bbb898e_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
cfda42008fbc405156cdf34a1bbb898e_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
cfda42008fbc405156cdf34a1bbb898e_JaffaCakes118.exe
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Size
260KB
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MD5
cfda42008fbc405156cdf34a1bbb898e
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SHA1
0c97879e3593938722d3e327b5dccf15c0bb379b
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SHA256
b1ed0f1ec41e1fc618ddb9487fb2352f0fa4e50135f128939d267c0565e7b65b
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SHA512
42d4a02861bab73f61e8b31e646afadfcfe830e560444bcdab9c3860cabb8707332dc5254ee103d05b3da6e37d2b66d95889427c2371e6d4cc023db2392fbfdf
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SSDEEP
6144:ejEDyVUtKq9o8BC2N6tdTTTbfxXuzJwGhrBN+v:FmVUtKq9o8BC2N6tdTTTbfxwmGhrDy
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\WINDOWS\\system32\\userinit.exe,C:\\Program Files\\Common Files\\svchost.exe -s" svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 1696 svchost.exe -
Loads dropped DLL 2 IoCs
pid Process 1992 cfda42008fbc405156cdf34a1bbb898e_JaffaCakes118.exe 1992 cfda42008fbc405156cdf34a1bbb898e_JaffaCakes118.exe -
Enumerates connected drives 3 TTPs 20 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\J: svchost.exe File opened (read-only) \??\M: svchost.exe File opened (read-only) \??\S: svchost.exe File opened (read-only) \??\G: svchost.exe File opened (read-only) \??\H: svchost.exe File opened (read-only) \??\O: svchost.exe File opened (read-only) \??\P: svchost.exe File opened (read-only) \??\Q: svchost.exe File opened (read-only) \??\R: svchost.exe File opened (read-only) \??\U: svchost.exe File opened (read-only) \??\W: svchost.exe File opened (read-only) \??\I: svchost.exe File opened (read-only) \??\K: svchost.exe File opened (read-only) \??\Y: svchost.exe File opened (read-only) \??\E: svchost.exe File opened (read-only) \??\X: svchost.exe File opened (read-only) \??\T: svchost.exe File opened (read-only) \??\V: svchost.exe File opened (read-only) \??\L: svchost.exe File opened (read-only) \??\N: svchost.exe -
Drops file in Program Files directory 5 IoCs
description ioc Process File created C:\Program Files\Common Files\svchost.exe cfda42008fbc405156cdf34a1bbb898e_JaffaCakes118.exe File opened for modification C:\Program Files\Common Files\svchost.exe cfda42008fbc405156cdf34a1bbb898e_JaffaCakes118.exe File opened for modification C:\Program Files\Common Files\svchost.exe svchost.exe File opened for modification C:\Program Files\Common Files\Shared.dll svchost.exe File opened for modification C:\Program Files\Common Files\drive.tlb svchost.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 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 cfda42008fbc405156cdf34a1bbb898e_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1992 wrote to memory of 1696 1992 cfda42008fbc405156cdf34a1bbb898e_JaffaCakes118.exe 30 PID 1992 wrote to memory of 1696 1992 cfda42008fbc405156cdf34a1bbb898e_JaffaCakes118.exe 30 PID 1992 wrote to memory of 1696 1992 cfda42008fbc405156cdf34a1bbb898e_JaffaCakes118.exe 30 PID 1992 wrote to memory of 1696 1992 cfda42008fbc405156cdf34a1bbb898e_JaffaCakes118.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\cfda42008fbc405156cdf34a1bbb898e_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\cfda42008fbc405156cdf34a1bbb898e_JaffaCakes118.exe"1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1992 -
C:\Program Files\Common Files\svchost.exe"C:\Program Files\Common Files\svchost.exe" -s2⤵
- Modifies WinLogon for persistence
- Executes dropped EXE
- Enumerates connected drives
- Drops file in Program Files directory
PID:1696
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
260KB
MD5cfda42008fbc405156cdf34a1bbb898e
SHA10c97879e3593938722d3e327b5dccf15c0bb379b
SHA256b1ed0f1ec41e1fc618ddb9487fb2352f0fa4e50135f128939d267c0565e7b65b
SHA51242d4a02861bab73f61e8b31e646afadfcfe830e560444bcdab9c3860cabb8707332dc5254ee103d05b3da6e37d2b66d95889427c2371e6d4cc023db2392fbfdf