Analysis
- max time kernel
147s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
10/05/2024, 09:35
General
- Target 93a09a5ecefc75e6fda23d83deffeffddf544da2103a75422e768d26cfe9ee7f.exe
- Size 30KB
- Sample240510-lkb3eaae82
- SHA256 93a09a5ecefc75e6fda23d83deffeffddf544da2103a75422e768d26cfe9ee7f
Malware Config
Extracted
-
limerat
-
aes_key
123
-
antivm
false
-
c2_url
https://pastebin.com/raw/bQi0vNVC
-
delay
3
-
download_payload
false
-
install
true
-
install_name
pdf.exe
-
main_folder
AppData
-
pin_spread
false
-
sub_folder
\
-
usb_spread
false
Extracted
-
limerat
-
antivm
false
-
c2_url
https://pastebin.com/raw/bQi0vNVC
-
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 5 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\93a09a5ecefc75e6fda23d83deffeffddf544da2103a75422e768d26cfe9ee7f.exe"C:\Users\Admin\AppData\Local\Temp\93a09a5ecefc75e6fda23d83deffeffddf544da2103a75422e768d26cfe9ee7f.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\pdf.exe'"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Roaming\pdf.exe"C:\Users\Admin\AppData\Roaming\pdf.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
pdf.exe
memory/1772-0-0x0000000074E1E000-0x0000000074E1F000-memory.dmp
memory/1772-1-0x0000000000BE0000-0x0000000000BEE000-memory.dmp
memory/1772-2-0x00000000055F0000-0x000000000568C000-memory.dmp
memory/1772-3-0x0000000005540000-0x00000000055A6000-memory.dmp
memory/1772-4-0x0000000074E10000-0x00000000755C0000-memory.dmp
memory/1772-5-0x00000000063C0000-0x0000000006964000-memory.dmp
memory/1772-15-0x0000000074E10000-0x00000000755C0000-memory.dmp
memory/5040-16-0x0000000074E10000-0x00000000755C0000-memory.dmp
memory/5040-17-0x0000000074E10000-0x00000000755C0000-memory.dmp
memory/5040-18-0x0000000074E10000-0x00000000755C0000-memory.dmp
memory/5040-19-0x0000000074E10000-0x00000000755C0000-memory.dmp