Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
28/03/2024, 14:18
General
- Target New-Client.exe
- Size 137KB
- Sample240328-rmhwmagc21
- SHA256 3527e234b5df8f9f1094ea632ff826c4b40941b75d89938794aa5d8ae1dc885e
Malware Config
Extracted
-
limerat
-
aes_key
tobikjenegr
-
antivm
false
-
c2_url
https://pastebin.com/raw/BjpYs2j2
-
delay
3
-
download_payload
false
-
install
true
-
install_name
fsds.exe
-
main_folder
AppData
-
pin_spread
false
-
sub_folder
\fasdasfdfsdfsda\
-
usb_spread
false
Extracted
-
limerat
-
antivm
false
-
c2_url
https://pastebin.com/raw/BjpYs2j2
-
download_payload
false
-
install
false
-
pin_spread
false
-
usb_spread
false
Signatures
- LimeRAT
Simple yet powerful RAT for Windows machines written in .NET.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Legitimate hosting services abused for malware hosting/C2 1 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 use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\New-Client.exe"C:\Users\Admin\AppData\Local\Temp\New-Client.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Roaming\fasdasfdfsdfsda\fsds.exe'"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Roaming\fasdasfdfsdfsda\fsds.exe"C:\Users\Admin\AppData\Roaming\fasdasfdfsdfsda\fsds.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
fsds.exe
memory/1256-16-0x00000000752B0000-0x0000000075A60000-memory.dmp
memory/1256-17-0x0000000005550000-0x0000000005560000-memory.dmp
memory/1256-18-0x00000000752B0000-0x0000000075A60000-memory.dmp
memory/1256-19-0x0000000005550000-0x0000000005560000-memory.dmp
memory/3476-0-0x0000000000960000-0x0000000000988000-memory.dmp
memory/3476-1-0x0000000005340000-0x00000000053DC000-memory.dmp
memory/3476-2-0x00000000752B0000-0x0000000075A60000-memory.dmp
memory/3476-3-0x00000000053E0000-0x0000000005446000-memory.dmp
memory/3476-4-0x0000000005530000-0x0000000005540000-memory.dmp
memory/3476-5-0x0000000006130000-0x00000000066D4000-memory.dmp
memory/3476-15-0x00000000752B0000-0x0000000075A60000-memory.dmp