Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
28-05-2024 20:03
Behavioral task
behavioral1
Sample
7e39ce738c3e570aad736d1a78886007_JaffaCakes118.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
7e39ce738c3e570aad736d1a78886007_JaffaCakes118.exe
Resource
win10v2004-20240426-en
General
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Target
7e39ce738c3e570aad736d1a78886007_JaffaCakes118.exe
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Size
446KB
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MD5
7e39ce738c3e570aad736d1a78886007
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SHA1
eeede7d9801fc51ad732f08d4f5cfd99e35d9722
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SHA256
bb93c14aae68d7a38263e73b968b08f5d4a030b7d94bc6ea86620bb17269f540
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SHA512
584540ce8b94761e10228063d55d995aac77f20101d1c586e10139254af268192c2fd664ce10581134a22765b36ded9896809171961e9e1fe7f3d3313dae548d
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SSDEEP
3072:kq420ALUxUa8FDSKc45xUh/wKsRNwD0kHRoqVi2rhTJNam5zpP4XqAtIVVtNlNmF:tLUCa8FDbtUhB8wNHVi2dpgaUIVdrjc
Malware Config
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 424 netsh.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
7e39ce738c3e570aad736d1a78886007_JaffaCakes118.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation 7e39ce738c3e570aad736d1a78886007_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
Processes:
smsm.exepid process 4832 smsm.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
smsm.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c3e40c0783d13e5d49201ec30733cfd5 = "\"C:\\Users\\Admin\\AppData\\Roaming\\smsm.exe\" .." smsm.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\c3e40c0783d13e5d49201ec30733cfd5 = "\"C:\\Users\\Admin\\AppData\\Roaming\\smsm.exe\" .." smsm.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:
smsm.exedescription pid process Token: SeDebugPrivilege 4832 smsm.exe Token: 33 4832 smsm.exe Token: SeIncBasePriorityPrivilege 4832 smsm.exe Token: 33 4832 smsm.exe Token: SeIncBasePriorityPrivilege 4832 smsm.exe Token: 33 4832 smsm.exe Token: SeIncBasePriorityPrivilege 4832 smsm.exe Token: 33 4832 smsm.exe Token: SeIncBasePriorityPrivilege 4832 smsm.exe Token: 33 4832 smsm.exe Token: SeIncBasePriorityPrivilege 4832 smsm.exe Token: 33 4832 smsm.exe Token: SeIncBasePriorityPrivilege 4832 smsm.exe Token: 33 4832 smsm.exe Token: SeIncBasePriorityPrivilege 4832 smsm.exe Token: 33 4832 smsm.exe Token: SeIncBasePriorityPrivilege 4832 smsm.exe Token: 33 4832 smsm.exe Token: SeIncBasePriorityPrivilege 4832 smsm.exe Token: 33 4832 smsm.exe Token: SeIncBasePriorityPrivilege 4832 smsm.exe Token: 33 4832 smsm.exe Token: SeIncBasePriorityPrivilege 4832 smsm.exe Token: 33 4832 smsm.exe Token: SeIncBasePriorityPrivilege 4832 smsm.exe Token: 33 4832 smsm.exe Token: SeIncBasePriorityPrivilege 4832 smsm.exe Token: 33 4832 smsm.exe Token: SeIncBasePriorityPrivilege 4832 smsm.exe Token: 33 4832 smsm.exe Token: SeIncBasePriorityPrivilege 4832 smsm.exe Token: 33 4832 smsm.exe Token: SeIncBasePriorityPrivilege 4832 smsm.exe Token: 33 4832 smsm.exe Token: SeIncBasePriorityPrivilege 4832 smsm.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
7e39ce738c3e570aad736d1a78886007_JaffaCakes118.exesmsm.exedescription pid process target process PID 4024 wrote to memory of 4832 4024 7e39ce738c3e570aad736d1a78886007_JaffaCakes118.exe smsm.exe PID 4024 wrote to memory of 4832 4024 7e39ce738c3e570aad736d1a78886007_JaffaCakes118.exe smsm.exe PID 4024 wrote to memory of 4832 4024 7e39ce738c3e570aad736d1a78886007_JaffaCakes118.exe smsm.exe PID 4832 wrote to memory of 424 4832 smsm.exe netsh.exe PID 4832 wrote to memory of 424 4832 smsm.exe netsh.exe PID 4832 wrote to memory of 424 4832 smsm.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\7e39ce738c3e570aad736d1a78886007_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\7e39ce738c3e570aad736d1a78886007_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4024 -
C:\Users\Admin\AppData\Roaming\smsm.exe"C:\Users\Admin\AppData\Roaming\smsm.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4832 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\smsm.exe" "smsm.exe" ENABLE3⤵
- Modifies Windows Firewall
PID:424
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
446KB
MD57e39ce738c3e570aad736d1a78886007
SHA1eeede7d9801fc51ad732f08d4f5cfd99e35d9722
SHA256bb93c14aae68d7a38263e73b968b08f5d4a030b7d94bc6ea86620bb17269f540
SHA512584540ce8b94761e10228063d55d995aac77f20101d1c586e10139254af268192c2fd664ce10581134a22765b36ded9896809171961e9e1fe7f3d3313dae548d