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Analysis
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max time kernel
147s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
07/04/2024, 18:22
Static task
static1
Behavioral task
behavioral1
Sample
e591064f195d9756a35a67d5529d6cfa_JaffaCakes118.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
e591064f195d9756a35a67d5529d6cfa_JaffaCakes118.exe
Resource
win10v2004-20240226-en
General
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Target
e591064f195d9756a35a67d5529d6cfa_JaffaCakes118.exe
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Size
390KB
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MD5
e591064f195d9756a35a67d5529d6cfa
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SHA1
ad11ec1b931a7e3db5f1ac7ad881978744742c96
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SHA256
7345d664d50ddde1e5adacf8af60ce657f87a83cd09b7a625834a2284ebf2b98
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SHA512
ca24b5810a0faa014d6b1a593800ffd269c176fa1805ed8b2e6d2e78c185875d2057e65cda331186daf1e931dbc2dd73c4c119c8b729cef50de55af2146dbfeb
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SSDEEP
12288:uHznp/wWk/ufkK5UcHGmeIUvnurqrhFtF8+7w4:uHV/wDuDmcHLB8u2hPF7U4
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-1-5-21-557049126-2506969350-2798870634-1000\Control Panel\International\Geo\Nation e591064f195d9756a35a67d5529d6cfa_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 4468 stikm.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\jksceh = "\"c:\\windows\\addins\\stikm.exe\"" e591064f195d9756a35a67d5529d6cfa_JaffaCakes118.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created \??\c:\windows\addins\stikm.exe e591064f195d9756a35a67d5529d6cfa_JaffaCakes118.exe File created C:\Windows\b6abda35.log e591064f195d9756a35a67d5529d6cfa_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3236 e591064f195d9756a35a67d5529d6cfa_JaffaCakes118.exe 3236 e591064f195d9756a35a67d5529d6cfa_JaffaCakes118.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 3236 e591064f195d9756a35a67d5529d6cfa_JaffaCakes118.exe 4468 stikm.exe 4468 stikm.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3236 wrote to memory of 4468 3236 e591064f195d9756a35a67d5529d6cfa_JaffaCakes118.exe 95 PID 3236 wrote to memory of 4468 3236 e591064f195d9756a35a67d5529d6cfa_JaffaCakes118.exe 95 PID 3236 wrote to memory of 4468 3236 e591064f195d9756a35a67d5529d6cfa_JaffaCakes118.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\e591064f195d9756a35a67d5529d6cfa_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e591064f195d9756a35a67d5529d6cfa_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3236 -
C:\windows\addins\stikm.exe"C:\windows\addins\stikm.exe" /i2⤵
- Executes dropped EXE
- 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
390KB
MD5e591064f195d9756a35a67d5529d6cfa
SHA1ad11ec1b931a7e3db5f1ac7ad881978744742c96
SHA2567345d664d50ddde1e5adacf8af60ce657f87a83cd09b7a625834a2284ebf2b98
SHA512ca24b5810a0faa014d6b1a593800ffd269c176fa1805ed8b2e6d2e78c185875d2057e65cda331186daf1e931dbc2dd73c4c119c8b729cef50de55af2146dbfeb
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Filesize
96B
MD5f69777e3dc952161f8921a49582d1737
SHA181ac24c1c4dbee0f9632bfac3752befa7e7034a2
SHA256a7a297f46b1fce942540ed8cb7186312ddf47e8766db317890e82f8451676a03
SHA5127df62f0b6995390a35be4c09a7608b868123575529d7c140a7fafd838983f1c9364705d8fd5fa2777c3282e07ef1c212e711696db1795c15a8fb21ce8e285a98