Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240611-en - resource tags
- submitted
18/06/2024, 14:21
General
- Target bc64b8cf2bd62cdb36f1773aeeb35c83_JaffaCakes118.exe
- Size 43KB
- Sample240618-rn14la1fmn
- SHA256 6aeeabaa314635486db2aa5b292f8046cb9fd352405989e45ef94acb53e81f1f
Malware Config
Extracted
-
njrat
-
Njrat 0.7 Golden By Hassan Amiri
-
HacKed
-
0.tcp.ngrok.io:12829
-
Windows Update
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reg_key
Windows Update
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splitter
|Hassan|
Signatures
- njRAT/Bladabindi
Widely used RAT written in .NET.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Drops startup file 2 IoCs
- Executes dropped EXE 3 IoCs
- Adds Run key to start application 2 TTPs 2 IoCs
- Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: GetForegroundWindowSpam 2 IoCs
- Suspicious use of AdjustPrivilegeToken 33 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\bc64b8cf2bd62cdb36f1773aeeb35c83_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\bc64b8cf2bd62cdb36f1773aeeb35c83_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\Windowst.exe"C:\Users\Admin\AppData\Roaming\Windowst.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /sc minute /mo 1 /tn Server /tr C:\Users\Admin\AppData\Local\Temp/Server.exe3⤵
- Scheduled Task/Job: Scheduled Task
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-
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C:\Users\Admin\AppData\Local\Temp\Server.exeC:\Users\Admin\AppData\Local\Temp/Server.exe1⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\Server.exeC:\Users\Admin\AppData\Local\Temp/Server.exe1⤵
- Executes dropped EXE
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
Server.exe.log
Windowst.exe
memory/2420-25-0x00000000748A0000-0x0000000075050000-memory.dmp
memory/2420-28-0x00000000748A0000-0x0000000075050000-memory.dmp
memory/2420-26-0x00000000748A0000-0x0000000075050000-memory.dmp
memory/2860-1-0x0000000000040000-0x0000000000052000-memory.dmp
memory/2860-2-0x00000000049A0000-0x0000000004A3C000-memory.dmp
memory/2860-3-0x00000000052A0000-0x0000000005844000-memory.dmp
memory/2860-4-0x00000000748A0000-0x0000000075050000-memory.dmp
memory/2860-5-0x0000000004DF0000-0x0000000004E82000-memory.dmp
memory/2860-15-0x00000000748A0000-0x0000000075050000-memory.dmp
memory/2860-0-0x00000000748AE000-0x00000000748AF000-memory.dmp
memory/3784-16-0x00000000748A0000-0x0000000075050000-memory.dmp
memory/3784-22-0x00000000748A0000-0x0000000075050000-memory.dmp
memory/3784-21-0x00000000748A0000-0x0000000075050000-memory.dmp
memory/3784-20-0x0000000005720000-0x000000000572A000-memory.dmp
memory/3784-17-0x00000000748A0000-0x0000000075050000-memory.dmp