Analysis
- max time kernel
149s - max time network
154s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
21/02/2026, 20:38
General
- Target New-Client.exe
- Size 28KB
- Sample260221-zerskab16a
- SHA256 2e38f5a134bb148cea85c330f747026755b97cc01c7d128a91bb70f21068bff0
Malware Config
Extracted
-
limerat
-
aes_key
xcvxcmv,nbxcvkmnbm
-
antivm
true
-
c2_url
https://pastebin.com/raw/DDTVwwbu
-
delay
3
-
download_payload
false
-
install
true
-
install_name
ff.exe
-
main_folder
Temp
-
pin_spread
true
-
sub_folder
\fff\
-
usb_spread
true
Signatures
- LimeRAT
Simple yet powerful RAT for Windows machines written in .NET.
- Limerat family
- Executes dropped EXE 1 IoCs
- Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Scheduled Task/Job: Scheduled Task 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 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\New-Client.exe"C:\Users\Admin\AppData\Local\Temp\New-Client.exe"1⤵
- System Location Discovery: System Language Discovery
- 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\fff\ff.exe'"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\fff\ff.exe"C:\Users\Admin\AppData\Local\Temp\fff\ff.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
ff.exe
memory/1336-15-0x0000000005760000-0x0000000005770000-memory.dmp
memory/1336-16-0x0000000006A50000-0x0000000006B11000-memory.dmp
memory/1336-17-0x0000000005760000-0x0000000005770000-memory.dmp
memory/3896-0-0x0000000000ED0000-0x0000000000EDC000-memory.dmp
memory/3896-1-0x0000000005990000-0x0000000005A2C000-memory.dmp
memory/3896-2-0x0000000005A30000-0x0000000005A96000-memory.dmp
memory/3896-3-0x0000000005960000-0x0000000005970000-memory.dmp
memory/3896-4-0x0000000006750000-0x0000000006CF6000-memory.dmp
memory/3896-14-0x00000000061E0000-0x00000000062A1000-memory.dmp