Analysis
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max time kernel
149s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
23-05-2024 00:05
Static task
static1
Behavioral task
behavioral1
Sample
6915ce5700338b8cd322dadf378f76f3_JaffaCakes118.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
6915ce5700338b8cd322dadf378f76f3_JaffaCakes118.exe
Resource
win10v2004-20240508-en
General
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Target
6915ce5700338b8cd322dadf378f76f3_JaffaCakes118.exe
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Size
71KB
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MD5
6915ce5700338b8cd322dadf378f76f3
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SHA1
b08aca61c8be55e858573724a871e61489f2eb53
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SHA256
4df06fd17571b1ade49b0bff3ea0ac0ef237bacc79780393bcdad9ae820abbdc
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SHA512
ff5a058045ea41dcc64cab140396f56a58056f6be0505a319ca0e34031fea4298a291356898ade75813ce461f7ad3a6520bff8b1db1f3a76012966fb7426bd82
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SSDEEP
1536:Ma5jUXUo7VWSzYoVQtNnKq4/BAW+Et/mbGtFH204jb+:t5jUXU+VQPnlEt604jb+
Malware Config
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 4224 netsh.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
6915ce5700338b8cd322dadf378f76f3_JaffaCakes118.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation 6915ce5700338b8cd322dadf378f76f3_JaffaCakes118.exe -
Drops startup file 2 IoCs
Processes:
server.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\74e9eceb82f08f900ec2d0614c81cfb5.exe server.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\74e9eceb82f08f900ec2d0614c81cfb5.exe server.exe -
Executes dropped EXE 1 IoCs
Processes:
server.exepid process 2256 server.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
server.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\74e9eceb82f08f900ec2d0614c81cfb5 = "\"C:\\Windows\\server.exe\" .." server.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\74e9eceb82f08f900ec2d0614c81cfb5 = "\"C:\\Windows\\server.exe\" .." server.exe -
Drops file in Windows directory 2 IoCs
Processes:
6915ce5700338b8cd322dadf378f76f3_JaffaCakes118.exeserver.exedescription ioc process File created C:\Windows\server.exe 6915ce5700338b8cd322dadf378f76f3_JaffaCakes118.exe File opened for modification C:\Windows\server.exe server.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of AdjustPrivilegeToken 53 IoCs
Processes:
server.exedescription pid process Token: SeDebugPrivilege 2256 server.exe Token: 33 2256 server.exe Token: SeIncBasePriorityPrivilege 2256 server.exe Token: 33 2256 server.exe Token: SeIncBasePriorityPrivilege 2256 server.exe Token: 33 2256 server.exe Token: SeIncBasePriorityPrivilege 2256 server.exe Token: 33 2256 server.exe Token: SeIncBasePriorityPrivilege 2256 server.exe Token: 33 2256 server.exe Token: SeIncBasePriorityPrivilege 2256 server.exe Token: 33 2256 server.exe Token: SeIncBasePriorityPrivilege 2256 server.exe Token: 33 2256 server.exe Token: SeIncBasePriorityPrivilege 2256 server.exe Token: 33 2256 server.exe Token: SeIncBasePriorityPrivilege 2256 server.exe Token: 33 2256 server.exe Token: SeIncBasePriorityPrivilege 2256 server.exe Token: 33 2256 server.exe Token: SeIncBasePriorityPrivilege 2256 server.exe Token: 33 2256 server.exe Token: SeIncBasePriorityPrivilege 2256 server.exe Token: 33 2256 server.exe Token: SeIncBasePriorityPrivilege 2256 server.exe Token: 33 2256 server.exe Token: SeIncBasePriorityPrivilege 2256 server.exe Token: 33 2256 server.exe Token: SeIncBasePriorityPrivilege 2256 server.exe Token: 33 2256 server.exe Token: SeIncBasePriorityPrivilege 2256 server.exe Token: 33 2256 server.exe Token: SeIncBasePriorityPrivilege 2256 server.exe Token: 33 2256 server.exe Token: SeIncBasePriorityPrivilege 2256 server.exe Token: 33 2256 server.exe Token: SeIncBasePriorityPrivilege 2256 server.exe Token: 33 2256 server.exe Token: SeIncBasePriorityPrivilege 2256 server.exe Token: 33 2256 server.exe Token: SeIncBasePriorityPrivilege 2256 server.exe Token: 33 2256 server.exe Token: SeIncBasePriorityPrivilege 2256 server.exe Token: 33 2256 server.exe Token: SeIncBasePriorityPrivilege 2256 server.exe Token: 33 2256 server.exe Token: SeIncBasePriorityPrivilege 2256 server.exe Token: 33 2256 server.exe Token: SeIncBasePriorityPrivilege 2256 server.exe Token: 33 2256 server.exe Token: SeIncBasePriorityPrivilege 2256 server.exe Token: 33 2256 server.exe Token: SeIncBasePriorityPrivilege 2256 server.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
6915ce5700338b8cd322dadf378f76f3_JaffaCakes118.exeserver.exedescription pid process target process PID 1520 wrote to memory of 2256 1520 6915ce5700338b8cd322dadf378f76f3_JaffaCakes118.exe server.exe PID 1520 wrote to memory of 2256 1520 6915ce5700338b8cd322dadf378f76f3_JaffaCakes118.exe server.exe PID 2256 wrote to memory of 4224 2256 server.exe netsh.exe PID 2256 wrote to memory of 4224 2256 server.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\6915ce5700338b8cd322dadf378f76f3_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\6915ce5700338b8cd322dadf378f76f3_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1520 -
C:\Windows\server.exe"C:\Windows\server.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2256 -
C:\Windows\SYSTEM32\netsh.exenetsh firewall add allowedprogram "C:\Windows\server.exe" "server.exe" ENABLE3⤵
- Modifies Windows Firewall
PID:4224
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
71KB
MD56915ce5700338b8cd322dadf378f76f3
SHA1b08aca61c8be55e858573724a871e61489f2eb53
SHA2564df06fd17571b1ade49b0bff3ea0ac0ef237bacc79780393bcdad9ae820abbdc
SHA512ff5a058045ea41dcc64cab140396f56a58056f6be0505a319ca0e34031fea4298a291356898ade75813ce461f7ad3a6520bff8b1db1f3a76012966fb7426bd82