Analysis
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max time kernel
149s -
max time network
96s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
30-05-2024 08:55
Behavioral task
behavioral1
Sample
83a46305d94b60075488f3137e7a0d2c_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
83a46305d94b60075488f3137e7a0d2c_JaffaCakes118.exe
Resource
win10v2004-20240426-en
General
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Target
83a46305d94b60075488f3137e7a0d2c_JaffaCakes118.exe
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Size
23KB
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MD5
83a46305d94b60075488f3137e7a0d2c
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SHA1
213199727785440d87e4d22f344f4114ea739a26
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SHA256
e3e9173202c735aec275bb41a1511c5ea586ec1e60a2d55f49fa6c2b9663d061
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SHA512
d6905881278283850308e2cb81f1e798f7cbb33bdb2c3b2315505be64c89239d232a1f23c0c84b707ceb2fc92082ef711ce5c6eb105706324b274217671f6cdd
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SSDEEP
384:BMKCWZ5xTAcZeMiO7k9zW067vgdTmZFDLRmRvR6JZlbw8hqIusZzZ7/:6aZrF77boRpcnu0
Malware Config
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 5016 netsh.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
83a46305d94b60075488f3137e7a0d2c_JaffaCakes118.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation 83a46305d94b60075488f3137e7a0d2c_JaffaCakes118.exe -
Drops startup file 2 IoCs
Processes:
System.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5acedeb8e640188ce371b7e8d44896b3.exe System.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5acedeb8e640188ce371b7e8d44896b3.exe System.exe -
Executes dropped EXE 1 IoCs
Processes:
System.exepid process 4552 System.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
System.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5acedeb8e640188ce371b7e8d44896b3 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.exe\" .." System.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\5acedeb8e640188ce371b7e8d44896b3 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.exe\" .." System.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of AdjustPrivilegeToken 35 IoCs
Processes:
System.exedescription pid process Token: SeDebugPrivilege 4552 System.exe Token: 33 4552 System.exe Token: SeIncBasePriorityPrivilege 4552 System.exe Token: 33 4552 System.exe Token: SeIncBasePriorityPrivilege 4552 System.exe Token: 33 4552 System.exe Token: SeIncBasePriorityPrivilege 4552 System.exe Token: 33 4552 System.exe Token: SeIncBasePriorityPrivilege 4552 System.exe Token: 33 4552 System.exe Token: SeIncBasePriorityPrivilege 4552 System.exe Token: 33 4552 System.exe Token: SeIncBasePriorityPrivilege 4552 System.exe Token: 33 4552 System.exe Token: SeIncBasePriorityPrivilege 4552 System.exe Token: 33 4552 System.exe Token: SeIncBasePriorityPrivilege 4552 System.exe Token: 33 4552 System.exe Token: SeIncBasePriorityPrivilege 4552 System.exe Token: 33 4552 System.exe Token: SeIncBasePriorityPrivilege 4552 System.exe Token: 33 4552 System.exe Token: SeIncBasePriorityPrivilege 4552 System.exe Token: 33 4552 System.exe Token: SeIncBasePriorityPrivilege 4552 System.exe Token: 33 4552 System.exe Token: SeIncBasePriorityPrivilege 4552 System.exe Token: 33 4552 System.exe Token: SeIncBasePriorityPrivilege 4552 System.exe Token: 33 4552 System.exe Token: SeIncBasePriorityPrivilege 4552 System.exe Token: 33 4552 System.exe Token: SeIncBasePriorityPrivilege 4552 System.exe Token: 33 4552 System.exe Token: SeIncBasePriorityPrivilege 4552 System.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
83a46305d94b60075488f3137e7a0d2c_JaffaCakes118.exeSystem.exedescription pid process target process PID 400 wrote to memory of 4552 400 83a46305d94b60075488f3137e7a0d2c_JaffaCakes118.exe System.exe PID 400 wrote to memory of 4552 400 83a46305d94b60075488f3137e7a0d2c_JaffaCakes118.exe System.exe PID 400 wrote to memory of 4552 400 83a46305d94b60075488f3137e7a0d2c_JaffaCakes118.exe System.exe PID 4552 wrote to memory of 5016 4552 System.exe netsh.exe PID 4552 wrote to memory of 5016 4552 System.exe netsh.exe PID 4552 wrote to memory of 5016 4552 System.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\83a46305d94b60075488f3137e7a0d2c_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\83a46305d94b60075488f3137e7a0d2c_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:400 -
C:\Users\Admin\AppData\Local\Temp\System.exe"C:\Users\Admin\AppData\Local\Temp\System.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4552 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\System.exe" "System.exe" ENABLE3⤵
- Modifies Windows Firewall
PID:5016
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Replay Monitor
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Downloads
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Filesize
23KB
MD583a46305d94b60075488f3137e7a0d2c
SHA1213199727785440d87e4d22f344f4114ea739a26
SHA256e3e9173202c735aec275bb41a1511c5ea586ec1e60a2d55f49fa6c2b9663d061
SHA512d6905881278283850308e2cb81f1e798f7cbb33bdb2c3b2315505be64c89239d232a1f23c0c84b707ceb2fc92082ef711ce5c6eb105706324b274217671f6cdd