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Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
22/09/2024, 15:48
Behavioral task
behavioral1
Sample
f25337847f809c4cf5ea24a4a9af0c51_JaffaCakes118.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
f25337847f809c4cf5ea24a4a9af0c51_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
f25337847f809c4cf5ea24a4a9af0c51_JaffaCakes118.exe
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Size
23KB
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MD5
f25337847f809c4cf5ea24a4a9af0c51
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SHA1
8a5990ef0d9f488eb4cb4eb1c636f7819f155a3f
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SHA256
33004fa7af4e98bde177120ac7e8513ade349c988d24e3606cea70f9c75a704b
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SHA512
96e7da791365008198458fc372cf9d906c13245452c18ad3857abea6fa88e8451f10331e79bb32f130f02bbf11e63085210f791456fff9b3fc17827148fecc2f
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SSDEEP
384:uPsqS+ER6vRKXGYKRWVSujUtX9w6Dglo61Z5DVmRvR6JZlbw8hqIusZzZkA:uEf65K2Yf1jKRpcnuu
Malware Config
Extracted
njrat
0.7d
HacKed
ddns.gotdns.ch:1271
1ebf16c60cc0fe167d260b54d95fafe4
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reg_key
1ebf16c60cc0fe167d260b54d95fafe4
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splitter
|'|'|
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2428 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 f25337847f809c4cf5ea24a4a9af0c51_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 4092 windows.scr -
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\1ebf16c60cc0fe167d260b54d95fafe4 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\windows.scr\" .." windows.scr Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\1ebf16c60cc0fe167d260b54d95fafe4 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\windows.scr\" .." windows.scr -
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 opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key value enumerated \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 windows.scr Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f25337847f809c4cf5ea24a4a9af0c51_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 35 IoCs
description pid Process Token: SeDebugPrivilege 4092 windows.scr Token: 33 4092 windows.scr Token: SeIncBasePriorityPrivilege 4092 windows.scr Token: 33 4092 windows.scr Token: SeIncBasePriorityPrivilege 4092 windows.scr Token: 33 4092 windows.scr Token: SeIncBasePriorityPrivilege 4092 windows.scr Token: 33 4092 windows.scr Token: SeIncBasePriorityPrivilege 4092 windows.scr Token: 33 4092 windows.scr Token: SeIncBasePriorityPrivilege 4092 windows.scr Token: 33 4092 windows.scr Token: SeIncBasePriorityPrivilege 4092 windows.scr Token: 33 4092 windows.scr Token: SeIncBasePriorityPrivilege 4092 windows.scr Token: 33 4092 windows.scr Token: SeIncBasePriorityPrivilege 4092 windows.scr Token: 33 4092 windows.scr Token: SeIncBasePriorityPrivilege 4092 windows.scr Token: 33 4092 windows.scr Token: SeIncBasePriorityPrivilege 4092 windows.scr Token: 33 4092 windows.scr Token: SeIncBasePriorityPrivilege 4092 windows.scr Token: 33 4092 windows.scr Token: SeIncBasePriorityPrivilege 4092 windows.scr Token: 33 4092 windows.scr Token: SeIncBasePriorityPrivilege 4092 windows.scr Token: 33 4092 windows.scr Token: SeIncBasePriorityPrivilege 4092 windows.scr Token: 33 4092 windows.scr Token: SeIncBasePriorityPrivilege 4092 windows.scr Token: 33 4092 windows.scr Token: SeIncBasePriorityPrivilege 4092 windows.scr Token: 33 4092 windows.scr Token: SeIncBasePriorityPrivilege 4092 windows.scr -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 216 wrote to memory of 4092 216 f25337847f809c4cf5ea24a4a9af0c51_JaffaCakes118.exe 86 PID 216 wrote to memory of 4092 216 f25337847f809c4cf5ea24a4a9af0c51_JaffaCakes118.exe 86 PID 216 wrote to memory of 4092 216 f25337847f809c4cf5ea24a4a9af0c51_JaffaCakes118.exe 86 PID 4092 wrote to memory of 2428 4092 windows.scr 90 PID 4092 wrote to memory of 2428 4092 windows.scr 90 PID 4092 wrote to memory of 2428 4092 windows.scr 90
Processes
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C:\Users\Admin\AppData\Local\Temp\f25337847f809c4cf5ea24a4a9af0c51_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f25337847f809c4cf5ea24a4a9af0c51_JaffaCakes118.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:216 -
C:\Users\Admin\AppData\Local\Temp\windows.scr"C:\Users\Admin\AppData\Local\Temp\windows.scr" /S2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4092 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\windows.scr" "windows.scr" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:2428
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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
23KB
MD5f25337847f809c4cf5ea24a4a9af0c51
SHA18a5990ef0d9f488eb4cb4eb1c636f7819f155a3f
SHA25633004fa7af4e98bde177120ac7e8513ade349c988d24e3606cea70f9c75a704b
SHA51296e7da791365008198458fc372cf9d906c13245452c18ad3857abea6fa88e8451f10331e79bb32f130f02bbf11e63085210f791456fff9b3fc17827148fecc2f