Analysis
- max time kernel
150s - max time network
144s - platform
windows10-2004_x64 - resource
win10v2004-20240419-en - resource tags
- submitted
29/04/2024, 02:43
General
- Target 06a510663c826a45f8bc2dcb48aaa4d9_JaffaCakes118.exe
- Size 25KB
- Sample240429-c7myrafh39
- SHA256 5935abe30474de74cf231f27a73fa92f41e4a1411f357775ac9fd7e66cfd40c9
Malware Config
Extracted
-
njrat
-
Njrat 0.7 Golden By Hassan Amiri
-
user
-
hhacer.ddns.net:1604
-
Windows Update
-
reg_key
Windows Update
-
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
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 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 4 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\06a510663c826a45f8bc2dcb48aaa4d9_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\06a510663c826a45f8bc2dcb48aaa4d9_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
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C:\ProgramData\Opera.exe"C:\ProgramData\Opera.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
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /create /sc minute /mo 1 /tn Server /tr C:\Users\Admin\AppData\Local\Temp/Server.exe3⤵
- Creates scheduled task(s)
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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
Replay Monitor
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Downloads
Opera.exe
Server.exe.log
memory/3872-13-0x00007FFF6E0A0000-0x00007FFF6EB61000-memory.dmp
memory/3872-15-0x00000000022D0000-0x00000000022E2000-memory.dmp
memory/3872-16-0x0000000002390000-0x00000000023A0000-memory.dmp
memory/3872-19-0x00007FFF6E0A0000-0x00007FFF6EB61000-memory.dmp
memory/3872-20-0x0000000002390000-0x00000000023A0000-memory.dmp
memory/4548-0-0x0000000000680000-0x0000000000688000-memory.dmp
memory/4548-1-0x0000000000F30000-0x0000000000F42000-memory.dmp
memory/4548-2-0x00007FFF6E0A0000-0x00007FFF6EB61000-memory.dmp
memory/4548-3-0x000000001B280000-0x000000001B290000-memory.dmp
memory/4548-14-0x00007FFF6E0A0000-0x00007FFF6EB61000-memory.dmp