Analysis
- max time kernel
148s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
31/10/2024, 14:48
General
- Target 8356c52ea1848cddcca3edc7992ab3b0_JaffaCakes118.exe
- Size 92KB
- Sample241031-r6vdrs1amn
- SHA256 5b840344bda0f53b83c8d429eaf6673a941bc0455306b72eba72ee4df2762be5
Malware Config
Extracted
-
limerat
-
antivm
false
-
c2_url
https://pastebin.com/raw/7sALhsP2
-
download_payload
false
-
install
false
-
pin_spread
false
-
usb_spread
false
Signatures
- LimeRAT
Simple yet powerful RAT for Windows machines written in .NET.
- Limerat family
- 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 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 4 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\8356c52ea1848cddcca3edc7992ab3b0_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\8356c52ea1848cddcca3edc7992ab3b0_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Local\Temp\helps.exe'"2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\helps.exe"C:\Users\Admin\AppData\Local\Temp\helps.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
helps.exe
memory/3348-0-0x00007FFFAC463000-0x00007FFFAC465000-memory.dmp
memory/3348-1-0x0000000000530000-0x000000000054E000-memory.dmp
memory/3348-2-0x0000000000DF0000-0x0000000000E02000-memory.dmp
memory/3348-3-0x00000000025C0000-0x00000000025D8000-memory.dmp
memory/3348-4-0x00007FFFAC460000-0x00007FFFACF21000-memory.dmp
memory/3348-18-0x00007FFFAC460000-0x00007FFFACF21000-memory.dmp
memory/3592-17-0x00007FFFAC460000-0x00007FFFACF21000-memory.dmp
memory/3592-19-0x00007FFFAC460000-0x00007FFFACF21000-memory.dmp
memory/3592-20-0x00007FFFAC460000-0x00007FFFACF21000-memory.dmp