Analysis
- max time kernel
150s - max time network
121s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
14/01/2024, 17:46
General
- Target 08750B4BBC8A34A3F7E12BB6F9A71444.exe
- Size 28KB
- Sample240114-wb98yscbbp
- SHA256 7e599c6aa3e49cbe46990cf8fd8803cb30e2255a2f21d6a1287e7ee4a2ff9fc3
Malware Config
Extracted
-
limerat
-
aes_key
NKHUB
-
antivm
true
-
c2_url
https://pastebin.com/raw/K6zz3eth
-
delay
3
-
download_payload
false
-
install
true
-
install_name
svchost.exe
-
main_folder
Temp
-
pin_spread
false
-
sub_folder
\OdlaçddApdad\
-
usb_spread
true
Extracted
-
limerat
-
antivm
false
-
c2_url
https://pastebin.com/raw/K6zz3eth
-
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
- 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: EnumeratesProcesses 19 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\08750B4BBC8A34A3F7E12BB6F9A71444.exe"C:\Users\Admin\AppData\Local\Temp\08750B4BBC8A34A3F7E12BB6F9A71444.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\Local\Temp\OdlaçddApdad\svchost.exe'"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\OdlaçddApdad\svchost.exe"C:\Users\Admin\AppData\Local\Temp\OdlaçddApdad\svchost.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
svchost.exe
memory/4540-0-0x00000000003D0000-0x00000000003DC000-memory.dmp
memory/4540-1-0x0000000074A20000-0x00000000751D0000-memory.dmp
memory/4540-2-0x0000000002760000-0x000000000276C000-memory.dmp
memory/4540-3-0x0000000007330000-0x00000000073CC000-memory.dmp
memory/4540-4-0x0000000007290000-0x00000000072F6000-memory.dmp
memory/4540-5-0x0000000004F00000-0x0000000004F10000-memory.dmp
memory/4540-6-0x0000000007F40000-0x00000000084E4000-memory.dmp
memory/4540-16-0x0000000074A20000-0x00000000751D0000-memory.dmp
memory/4988-17-0x0000000074A20000-0x00000000751D0000-memory.dmp
memory/4988-18-0x0000000074A20000-0x00000000751D0000-memory.dmp