Analysis
- max time kernel
148s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20230703-en - resource tags
- submitted
15/08/2023, 15:11
General
- Target 0c8f5d9b8055b75ca448590bc78bff4c6065e12c747e99044d40fb86904bac7e_JC.exe
- Size 709KB
- Sample230815-skl1yadc21
- SHA256 0c8f5d9b8055b75ca448590bc78bff4c6065e12c747e99044d40fb86904bac7e
Malware Config
Extracted
-
asyncrat
-
0.5.7B
-
Default
-
mafiaconnects.duckdns.org:3450
-
AsyncMutex_6SI8OkPnk
-
delay
3
-
install
false
-
install_file
SLAVER.exe
-
install_folder
%AppData%
Signatures
- AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
- Async RAT payload 1 IoCs
- Suspicious use of SetThreadContext 1 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 behavior: EnumeratesProcesses 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\0c8f5d9b8055b75ca448590bc78bff4c6065e12c747e99044d40fb86904bac7e_JC.exe"C:\Users\Admin\AppData\Local\Temp\0c8f5d9b8055b75ca448590bc78bff4c6065e12c747e99044d40fb86904bac7e_JC.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xuwtfEVYXhKdtF" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2442.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\0c8f5d9b8055b75ca448590bc78bff4c6065e12c747e99044d40fb86904bac7e_JC.exe"{path}"2⤵
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
0c8f5d9b8055b75ca448590bc78bff4c6065e12c747e99044d40fb86904bac7e_JC.exe.log
tmp2442.tmp
memory/3872-150-0x0000000074520000-0x0000000074CD0000-memory.dmp
memory/3872-147-0x0000000000400000-0x0000000000412000-memory.dmp
memory/4476-137-0x0000000005920000-0x00000000059B2000-memory.dmp
memory/4476-138-0x0000000005AB0000-0x0000000005AC0000-memory.dmp
memory/4476-139-0x00000000058B0000-0x00000000058BA000-memory.dmp
memory/4476-140-0x00000000059C0000-0x0000000005A16000-memory.dmp
memory/4476-141-0x0000000074520000-0x0000000074CD0000-memory.dmp
memory/4476-142-0x0000000005AB0000-0x0000000005AC0000-memory.dmp
memory/4476-143-0x0000000009150000-0x00000000091B6000-memory.dmp
memory/4476-133-0x0000000000D60000-0x0000000000E18000-memory.dmp
memory/4476-136-0x0000000005E30000-0x00000000063D4000-memory.dmp
memory/4476-134-0x00000000057E0000-0x000000000587C000-memory.dmp
memory/4476-135-0x0000000074520000-0x0000000074CD0000-memory.dmp
memory/4476-151-0x0000000074520000-0x0000000074CD0000-memory.dmp