Analysis
- max time kernel
149s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20231020-en - resource tags
- submitted
20/11/2023, 14:36
General
- Target 0x000a000000015603-57.exe
- Size 28KB
- Sample231120-ryzcrage79
- SHA256 e0fb281db34b9fa35971cb1af42175d6b5650c46f261771361a1aeed70565787
Malware Config
Extracted
-
limerat
-
aes_key
devil
-
antivm
false
-
c2_url
https://pastebin.com/raw/rPy10VvM
-
delay
3
-
download_payload
false
-
install
true
-
install_name
Windows Session Manager.exe
-
main_folder
AppData
-
pin_spread
false
-
sub_folder
\Windows\
-
usb_spread
false
Extracted
-
limerat
-
antivm
false
-
c2_url
https://pastebin.com/raw/rPy10VvM
-
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 22 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\0x000a000000015603-57.exe"C:\Users\Admin\AppData\Local\Temp\0x000a000000015603-57.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\Windows\Windows Session Manager.exe'"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Roaming\Windows\Windows Session Manager.exe"C:\Users\Admin\AppData\Roaming\Windows\Windows Session Manager.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
Windows Session Manager.exe
Windows Session Manager.exe
Windows Session Manager.exe
memory/972-3-0x0000000004DA0000-0x0000000004E06000-memory.dmp
memory/972-4-0x0000000004CD0000-0x0000000004CE0000-memory.dmp
memory/972-5-0x0000000005910000-0x0000000005EB4000-memory.dmp
memory/972-0-0x0000000000300000-0x000000000030C000-memory.dmp
memory/972-2-0x0000000004D00000-0x0000000004D9C000-memory.dmp
memory/972-1-0x0000000074510000-0x0000000074CC0000-memory.dmp
memory/972-16-0x0000000074510000-0x0000000074CC0000-memory.dmp
memory/3488-15-0x0000000074510000-0x0000000074CC0000-memory.dmp
memory/3488-17-0x0000000004B90000-0x0000000004BA0000-memory.dmp
memory/3488-18-0x0000000074510000-0x0000000074CC0000-memory.dmp
memory/3488-19-0x0000000004B90000-0x0000000004BA0000-memory.dmp