Analysis
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max time kernel
92s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
04/04/2024, 17:04
Static task
static1
Behavioral task
behavioral1
Sample
bdde785da8cfac8fd1a22974ea0db056_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
bdde785da8cfac8fd1a22974ea0db056_JaffaCakes118.exe
Resource
win10v2004-20240226-en
General
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Target
bdde785da8cfac8fd1a22974ea0db056_JaffaCakes118.exe
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Size
182KB
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MD5
bdde785da8cfac8fd1a22974ea0db056
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SHA1
9918afc8d43dd78ac09f7698e1ee5a88b8645973
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SHA256
c7e873835855c05dd4b80ee625813a2ceb53f816fb15e0d0fe7f650676f47295
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SHA512
4a86b780f82b7ed637163c5d53e5cf09604705de8f45430d432f4c2ea70906ac262202f974d18e2daff3a3b1b72e54f185f7f15b7ef104ed7ab5d58e73928322
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SSDEEP
3072:/cT9g8immW6Pozkk2eKs/CSr2nQ/E2S5ny+bF2u1I+ddDK7Hlq/858X:o68i3odBiTl2+TCU/84
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-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\International\Geo\Nation cmd.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft I Service = "C:\\Windows\\winhash_up.exe /REGstart" bdde785da8cfac8fd1a22974ea0db056_JaffaCakes118.exe -
Drops file in Windows directory 12 IoCs
description ioc Process File created C:\Windows\SHARE_TEMP\Icon2.ico bdde785da8cfac8fd1a22974ea0db056_JaffaCakes118.exe File created C:\Windows\SHARE_TEMP\Icon3.ico bdde785da8cfac8fd1a22974ea0db056_JaffaCakes118.exe File created C:\Windows\SHARE_TEMP\Icon6.ico bdde785da8cfac8fd1a22974ea0db056_JaffaCakes118.exe File created C:\Windows\SHARE_TEMP\Icon7.ico bdde785da8cfac8fd1a22974ea0db056_JaffaCakes118.exe File created C:\Windows\SHARE_TEMP\Icon10.ico bdde785da8cfac8fd1a22974ea0db056_JaffaCakes118.exe File created C:\Windows\SHARE_TEMP\Icon12.ico bdde785da8cfac8fd1a22974ea0db056_JaffaCakes118.exe File opened for modification C:\Windows\winhash_up.exez bdde785da8cfac8fd1a22974ea0db056_JaffaCakes118.exe File created C:\Windows\winhash_up.exe bdde785da8cfac8fd1a22974ea0db056_JaffaCakes118.exe File created C:\Windows\bugMAKER.bat bdde785da8cfac8fd1a22974ea0db056_JaffaCakes118.exe File created C:\Windows\SHARE_TEMP\Icon14.ico bdde785da8cfac8fd1a22974ea0db056_JaffaCakes118.exe File created C:\Windows\winhash_up.exez bdde785da8cfac8fd1a22974ea0db056_JaffaCakes118.exe File created C:\Windows\SHARE_TEMP\Icon5.ico bdde785da8cfac8fd1a22974ea0db056_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4468 cmd.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 368 wrote to memory of 4468 368 bdde785da8cfac8fd1a22974ea0db056_JaffaCakes118.exe 85 PID 368 wrote to memory of 4468 368 bdde785da8cfac8fd1a22974ea0db056_JaffaCakes118.exe 85 PID 368 wrote to memory of 4468 368 bdde785da8cfac8fd1a22974ea0db056_JaffaCakes118.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\bdde785da8cfac8fd1a22974ea0db056_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\bdde785da8cfac8fd1a22974ea0db056_JaffaCakes118.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:368 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c C:\Windows\bugMAKER.bat2⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
PID:4468
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
90B
MD5db679ad082f7c8ce5de8bc21ccb584e4
SHA1e0f6abe6a58ce9cfc3bf3a07390a267e4401279d
SHA2563d76704ddd02c20b1ae0d9671957cfc7ab4b57af66c5ce97038b23656b864803
SHA51259bcfea4ab09b484977324bb16e7222acbe6e99f2f5e3322daf4ab434cf533dba67933ae2e7da4c5d7e94b8bdb90a84701ccae7b8bebcfc29b4f39275e4285d2