Analysis
- max time kernel
150s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
24/06/2022, 22:26
General
- Target fb434920f9760a044037eb9992fc8d1ebf1d45c0c354cbffa306fce67b99e5c1.exe
- Size 1.3MB
- Sample220624-2cjqaafdal
- SHA256 fb434920f9760a044037eb9992fc8d1ebf1d45c0c354cbffa306fce67b99e5c1
Score
10/10
Malware Config
Extracted
Family
-
limerat
Attributes
-
aes_key
1205
-
antivm
false
-
c2_url
https://pastebin.com/raw/iRjhpqQL
-
delay
3
-
download_payload
false
-
install
false
-
install_name
Wservices.exe
-
main_folder
Temp
-
pin_spread
false
-
sub_folder
\
-
usb_spread
false
Signatures
- LimeRAT
Simple yet powerful RAT for Windows machines written in .NET.
- Drops startup file 1 IoCs
- Legitimate hosting services abused for malware hosting/C2 1 TTPs
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\fb434920f9760a044037eb9992fc8d1ebf1d45c0c354cbffa306fce67b99e5c1.exe"C:\Users\Admin\AppData\Local\Temp\fb434920f9760a044037eb9992fc8d1ebf1d45c0c354cbffa306fce67b99e5c1.exe"1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/4412-134-0x0000000000400000-0x000000000040C000-memory.dmp
memory/4412-135-0x0000000005130000-0x00000000051CC000-memory.dmp
memory/4412-136-0x00000000051D0000-0x0000000005236000-memory.dmp
memory/4412-137-0x0000000005DF0000-0x0000000006394000-memory.dmp
memory/4988-130-0x00000000005B0000-0x00000000006F8000-memory.dmp
memory/4988-131-0x0000000005000000-0x0000000005003000-memory.dmp
memory/4988-133-0x0000000005090000-0x0000000005093000-memory.dmp