Analysis
- max time kernel
170s - max time network
182s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
22/06/2022, 07:31
General
- Target DHL0038747896.exe
- Size 1.1MB
- Sample220622-jcdj6aaegl
- SHA256 21131250446a0aab5ba89a48e230699df7e1cd90d52fbf67b8aabca4a19d3a47
Malware Config
Extracted
-
asyncrat
-
0.5.7B
-
Default
-
xman2.duckdns.org:3110
-
AsyncMutex_6SI8OkPnk
-
delay
3
-
install
false
-
install_folder
%AppData%
Signatures
- AsyncRat
AsyncRAT is designed to remotely monitor and control other computers.
- Async RAT payload 1 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- 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 9 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\DHL0038747896.exe"C:\Users\Admin\AppData\Local\Temp\DHL0038747896.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\QSeimnEvk.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QSeimnEvk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp689D.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\DHL0038747896.exe"C:\Users\Admin\AppData\Local\Temp\DHL0038747896.exe"2⤵
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
tmp689D.tmp
memory/4460-142-0x0000000005640000-0x0000000005662000-memory.dmp
memory/4460-144-0x0000000005840000-0x00000000058A6000-memory.dmp
memory/4460-155-0x00000000074E0000-0x00000000074E8000-memory.dmp
memory/4460-154-0x0000000007500000-0x000000000751A000-memory.dmp
memory/4460-137-0x00000000025B0000-0x00000000025E6000-memory.dmp
memory/4460-143-0x0000000005720000-0x0000000005786000-memory.dmp
memory/4460-153-0x00000000073F0000-0x00000000073FE000-memory.dmp
memory/4460-141-0x0000000005010000-0x0000000005638000-memory.dmp
memory/4460-152-0x0000000007440000-0x00000000074D6000-memory.dmp
memory/4460-151-0x0000000007230000-0x000000000723A000-memory.dmp
memory/4460-150-0x00000000071C0000-0x00000000071DA000-memory.dmp
memory/4460-148-0x0000000006460000-0x000000000647E000-memory.dmp
memory/4460-145-0x0000000005EB0000-0x0000000005ECE000-memory.dmp
memory/4460-146-0x0000000006480000-0x00000000064B2000-memory.dmp
memory/4460-147-0x00000000711E0000-0x000000007122C000-memory.dmp
memory/4460-149-0x0000000007800000-0x0000000007E7A000-memory.dmp
memory/4480-140-0x0000000000400000-0x0000000000412000-memory.dmp
memory/5064-130-0x0000000000510000-0x000000000062E000-memory.dmp
memory/5064-131-0x0000000005550000-0x0000000005AF4000-memory.dmp
memory/5064-133-0x0000000004FC0000-0x0000000004FCA000-memory.dmp
memory/5064-132-0x0000000005040000-0x00000000050D2000-memory.dmp
memory/5064-134-0x00000000071A0000-0x000000000723C000-memory.dmp