Analysis
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max time kernel
149s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
05-09-2024 23:39
Static task
static1
Behavioral task
behavioral1
Sample
ce2a5974ae17e9d7c140f7ea0d4eecce_JaffaCakes118.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
ce2a5974ae17e9d7c140f7ea0d4eecce_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
ce2a5974ae17e9d7c140f7ea0d4eecce_JaffaCakes118.exe
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Size
93KB
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MD5
ce2a5974ae17e9d7c140f7ea0d4eecce
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SHA1
d8782bb7b6440950b691b0d040bf90492abcd651
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SHA256
981468e722ee2e24a8021f4acdd110bcfcb4086288acc873f180ec3a98c23524
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SHA512
87d4a4f30c5c0f171861f27f503f9a14eae49e81a462043e8aa4af98b07ef03274089afebcbf4f2a1ec262a212a7a5b87d66134b2320caa91f5853016efed382
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SSDEEP
1536:CsB6ybjYhYy+vQKZmnL9xoioKR/7yB5R4ShnIUDHjal/wy0Ja1Qp5:F6yfYB+IKuPH/7y2gD0wy0Ja1Qp
Malware Config
Extracted
njrat
0.7d
nj
199.241.146.179:31922
c5dbc4b5114eccb1261dfdb2194089a8
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reg_key
c5dbc4b5114eccb1261dfdb2194089a8
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splitter
|'|'|
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 676 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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation ce2a5974ae17e9d7c140f7ea0d4eecce_JaffaCakes118.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c5dbc4b5114eccb1261dfdb2194089a8.exe winsec.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c5dbc4b5114eccb1261dfdb2194089a8.exe winsec.exe -
Executes dropped EXE 2 IoCs
pid Process 828 winsec.exe 2128 winsec.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c5dbc4b5114eccb1261dfdb2194089a8 = "\"C:\\Users\\Admin\\AppData\\Roaming\\winsec.exe\" .." winsec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\c5dbc4b5114eccb1261dfdb2194089a8 = "\"C:\\Users\\Admin\\AppData\\Roaming\\winsec.exe\" .." winsec.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1328 set thread context of 824 1328 ce2a5974ae17e9d7c140f7ea0d4eecce_JaffaCakes118.exe 86 PID 828 set thread context of 2128 828 winsec.exe 92 -
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 5 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 netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ce2a5974ae17e9d7c140f7ea0d4eecce_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ce2a5974ae17e9d7c140f7ea0d4eecce_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winsec.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winsec.exe -
Suspicious use of AdjustPrivilegeToken 35 IoCs
description pid Process Token: SeDebugPrivilege 1328 ce2a5974ae17e9d7c140f7ea0d4eecce_JaffaCakes118.exe Token: SeDebugPrivilege 828 winsec.exe Token: SeDebugPrivilege 2128 winsec.exe Token: 33 2128 winsec.exe Token: SeIncBasePriorityPrivilege 2128 winsec.exe Token: 33 2128 winsec.exe Token: SeIncBasePriorityPrivilege 2128 winsec.exe Token: 33 2128 winsec.exe Token: SeIncBasePriorityPrivilege 2128 winsec.exe Token: 33 2128 winsec.exe Token: SeIncBasePriorityPrivilege 2128 winsec.exe Token: 33 2128 winsec.exe Token: SeIncBasePriorityPrivilege 2128 winsec.exe Token: 33 2128 winsec.exe Token: SeIncBasePriorityPrivilege 2128 winsec.exe Token: 33 2128 winsec.exe Token: SeIncBasePriorityPrivilege 2128 winsec.exe Token: 33 2128 winsec.exe Token: SeIncBasePriorityPrivilege 2128 winsec.exe Token: 33 2128 winsec.exe Token: SeIncBasePriorityPrivilege 2128 winsec.exe Token: 33 2128 winsec.exe Token: SeIncBasePriorityPrivilege 2128 winsec.exe Token: 33 2128 winsec.exe Token: SeIncBasePriorityPrivilege 2128 winsec.exe Token: 33 2128 winsec.exe Token: SeIncBasePriorityPrivilege 2128 winsec.exe Token: 33 2128 winsec.exe Token: SeIncBasePriorityPrivilege 2128 winsec.exe Token: 33 2128 winsec.exe Token: SeIncBasePriorityPrivilege 2128 winsec.exe Token: 33 2128 winsec.exe Token: SeIncBasePriorityPrivilege 2128 winsec.exe Token: 33 2128 winsec.exe Token: SeIncBasePriorityPrivilege 2128 winsec.exe -
Suspicious use of WriteProcessMemory 22 IoCs
description pid Process procid_target PID 1328 wrote to memory of 824 1328 ce2a5974ae17e9d7c140f7ea0d4eecce_JaffaCakes118.exe 86 PID 1328 wrote to memory of 824 1328 ce2a5974ae17e9d7c140f7ea0d4eecce_JaffaCakes118.exe 86 PID 1328 wrote to memory of 824 1328 ce2a5974ae17e9d7c140f7ea0d4eecce_JaffaCakes118.exe 86 PID 1328 wrote to memory of 824 1328 ce2a5974ae17e9d7c140f7ea0d4eecce_JaffaCakes118.exe 86 PID 1328 wrote to memory of 824 1328 ce2a5974ae17e9d7c140f7ea0d4eecce_JaffaCakes118.exe 86 PID 1328 wrote to memory of 824 1328 ce2a5974ae17e9d7c140f7ea0d4eecce_JaffaCakes118.exe 86 PID 1328 wrote to memory of 824 1328 ce2a5974ae17e9d7c140f7ea0d4eecce_JaffaCakes118.exe 86 PID 1328 wrote to memory of 824 1328 ce2a5974ae17e9d7c140f7ea0d4eecce_JaffaCakes118.exe 86 PID 824 wrote to memory of 828 824 ce2a5974ae17e9d7c140f7ea0d4eecce_JaffaCakes118.exe 91 PID 824 wrote to memory of 828 824 ce2a5974ae17e9d7c140f7ea0d4eecce_JaffaCakes118.exe 91 PID 824 wrote to memory of 828 824 ce2a5974ae17e9d7c140f7ea0d4eecce_JaffaCakes118.exe 91 PID 828 wrote to memory of 2128 828 winsec.exe 92 PID 828 wrote to memory of 2128 828 winsec.exe 92 PID 828 wrote to memory of 2128 828 winsec.exe 92 PID 828 wrote to memory of 2128 828 winsec.exe 92 PID 828 wrote to memory of 2128 828 winsec.exe 92 PID 828 wrote to memory of 2128 828 winsec.exe 92 PID 828 wrote to memory of 2128 828 winsec.exe 92 PID 828 wrote to memory of 2128 828 winsec.exe 92 PID 2128 wrote to memory of 676 2128 winsec.exe 96 PID 2128 wrote to memory of 676 2128 winsec.exe 96 PID 2128 wrote to memory of 676 2128 winsec.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\ce2a5974ae17e9d7c140f7ea0d4eecce_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\ce2a5974ae17e9d7c140f7ea0d4eecce_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1328 -
C:\Users\Admin\AppData\Local\Temp\ce2a5974ae17e9d7c140f7ea0d4eecce_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\ce2a5974ae17e9d7c140f7ea0d4eecce_JaffaCakes118.exe"2⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:824 -
C:\Users\Admin\AppData\Roaming\winsec.exe"C:\Users\Admin\AppData\Roaming\winsec.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:828 -
C:\Users\Admin\AppData\Roaming\winsec.exe"C:\Users\Admin\AppData\Roaming\winsec.exe"4⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2128 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\winsec.exe" "winsec.exe" ENABLE5⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:676
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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
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\ce2a5974ae17e9d7c140f7ea0d4eecce_JaffaCakes118.exe.log
Filesize400B
MD50a9b4592cd49c3c21f6767c2dabda92f
SHA1f534297527ae5ccc0ecb2221ddeb8e58daeb8b74
SHA256c7effe9cb81a70d738dee863991afefab040290d4c4b78b4202383bcb9f88fcd
SHA5126b878df474e5bbfb8e9e265f15a76560c2ef151dcebc6388c82d7f6f86ffaf83f5ade5a09f1842e493cb6c8fd63b0b88d088c728fd725f7139f965a5ee332307
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Filesize
93KB
MD5ce2a5974ae17e9d7c140f7ea0d4eecce
SHA1d8782bb7b6440950b691b0d040bf90492abcd651
SHA256981468e722ee2e24a8021f4acdd110bcfcb4086288acc873f180ec3a98c23524
SHA51287d4a4f30c5c0f171861f27f503f9a14eae49e81a462043e8aa4af98b07ef03274089afebcbf4f2a1ec262a212a7a5b87d66134b2320caa91f5853016efed382