Analysis
- max time kernel
144s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
23/10/2022, 21:46
General
- Target Bank Paper.exe
- Size 6KB
- Sample221023-1mmdgschdk
- SHA256 f60fce8513f7e377cd397baa536a3d55fec6b106fcbd598117bb3c4fc41cdf04
Malware Config
Extracted
-
njrat
-
v2.0
-
HacKed
-
royaldanger.sytes.net:4042
-
Windows
-
reg_key
Windows
-
splitter
|-F-|
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 1 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 21 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Bank Paper.exe"C:\Users\Admin\AppData\Local\Temp\Bank Paper.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAANQA2AA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\Bank Paper.exe"C:\Users\Admin\AppData\Local\Temp\Bank Paper.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\Bank Paper.exe"C:\Users\Admin\AppData\Local\Temp\Bank Paper.exe"2⤵
- Drops startup file
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
Bank Paper.exe.log
memory/916-132-0x0000000000CE0000-0x0000000000CE8000-memory.dmp
memory/916-133-0x0000000006370000-0x0000000006392000-memory.dmp
memory/2712-140-0x0000000007AE0000-0x000000000815A000-memory.dmp
memory/2712-137-0x0000000005C30000-0x0000000005C96000-memory.dmp
memory/2712-138-0x0000000005DD0000-0x0000000005E36000-memory.dmp
memory/2712-139-0x0000000006410000-0x000000000642E000-memory.dmp
memory/2712-135-0x0000000004E60000-0x0000000004E96000-memory.dmp
memory/2712-141-0x00000000068F0000-0x000000000690A000-memory.dmp
memory/2712-136-0x0000000005530000-0x0000000005B58000-memory.dmp
memory/4252-144-0x0000000000400000-0x000000000040E000-memory.dmp
memory/4252-146-0x00000000052C0000-0x000000000535C000-memory.dmp
memory/4252-147-0x0000000006000000-0x00000000065A4000-memory.dmp
memory/4252-148-0x0000000005BB0000-0x0000000005C42000-memory.dmp
memory/4252-149-0x0000000005B60000-0x0000000005B6A000-memory.dmp