Analysis
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max time kernel
149s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
25-09-2024 10:13
Behavioral task
behavioral1
Sample
f5c6a28be032e43a355a50cc5e026e71_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
f5c6a28be032e43a355a50cc5e026e71_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
f5c6a28be032e43a355a50cc5e026e71_JaffaCakes118.exe
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Size
24KB
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MD5
f5c6a28be032e43a355a50cc5e026e71
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SHA1
dbdadac67581c5a2790b380aa4cad4ef89d5c4dd
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SHA256
8bb7352f2a023d505eecac509c6220d534acfd7a3ce0f697b73c624fc526ea31
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SHA512
29c4dd298d24117cd8ff01e70114ed39023cc4c311a06a76d8cfd14d6e9779105523ceef5c7dde8ec81b09033ff465079d6557a4be086d93395d78bcbce82632
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SSDEEP
384:jz5K6qlNDbUYmD2St4hRc262QvnARgFxv1iNsf/EU/45EucJ2vjYMvl4PssnbBs:TqaqSwm/1iNsf/z/C/bYbEaO
Malware Config
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1064 netsh.exe -
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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation f5c6a28be032e43a355a50cc5e026e71_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 668 server.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\f92a473879e0e31b0a690e91686fade4 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .." server.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\f92a473879e0e31b0a690e91686fade4 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .." server.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
description ioc Process Key queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe -
System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f5c6a28be032e43a355a50cc5e026e71_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language server.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe -
Suspicious use of AdjustPrivilegeToken 35 IoCs
description pid Process Token: SeDebugPrivilege 668 server.exe Token: 33 668 server.exe Token: SeIncBasePriorityPrivilege 668 server.exe Token: 33 668 server.exe Token: SeIncBasePriorityPrivilege 668 server.exe Token: 33 668 server.exe Token: SeIncBasePriorityPrivilege 668 server.exe Token: 33 668 server.exe Token: SeIncBasePriorityPrivilege 668 server.exe Token: 33 668 server.exe Token: SeIncBasePriorityPrivilege 668 server.exe Token: 33 668 server.exe Token: SeIncBasePriorityPrivilege 668 server.exe Token: 33 668 server.exe Token: SeIncBasePriorityPrivilege 668 server.exe Token: 33 668 server.exe Token: SeIncBasePriorityPrivilege 668 server.exe Token: 33 668 server.exe Token: SeIncBasePriorityPrivilege 668 server.exe Token: 33 668 server.exe Token: SeIncBasePriorityPrivilege 668 server.exe Token: 33 668 server.exe Token: SeIncBasePriorityPrivilege 668 server.exe Token: 33 668 server.exe Token: SeIncBasePriorityPrivilege 668 server.exe Token: 33 668 server.exe Token: SeIncBasePriorityPrivilege 668 server.exe Token: 33 668 server.exe Token: SeIncBasePriorityPrivilege 668 server.exe Token: 33 668 server.exe Token: SeIncBasePriorityPrivilege 668 server.exe Token: 33 668 server.exe Token: SeIncBasePriorityPrivilege 668 server.exe Token: 33 668 server.exe Token: SeIncBasePriorityPrivilege 668 server.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2212 wrote to memory of 668 2212 f5c6a28be032e43a355a50cc5e026e71_JaffaCakes118.exe 82 PID 2212 wrote to memory of 668 2212 f5c6a28be032e43a355a50cc5e026e71_JaffaCakes118.exe 82 PID 2212 wrote to memory of 668 2212 f5c6a28be032e43a355a50cc5e026e71_JaffaCakes118.exe 82 PID 668 wrote to memory of 1064 668 server.exe 87 PID 668 wrote to memory of 1064 668 server.exe 87 PID 668 wrote to memory of 1064 668 server.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\f5c6a28be032e43a355a50cc5e026e71_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f5c6a28be032e43a355a50cc5e026e71_JaffaCakes118.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2212 -
C:\Users\Admin\AppData\Local\Temp\server.exe"C:\Users\Admin\AppData\Local\Temp\server.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:668 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:1064
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
1Replay Monitor
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Downloads
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Filesize
24KB
MD5f5c6a28be032e43a355a50cc5e026e71
SHA1dbdadac67581c5a2790b380aa4cad4ef89d5c4dd
SHA2568bb7352f2a023d505eecac509c6220d534acfd7a3ce0f697b73c624fc526ea31
SHA51229c4dd298d24117cd8ff01e70114ed39023cc4c311a06a76d8cfd14d6e9779105523ceef5c7dde8ec81b09033ff465079d6557a4be086d93395d78bcbce82632