Analysis
- max time kernel
148s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
15/06/2024, 02:57
General
- Target d16265882061fe6585f16a3adb40734690f19058197210ab760e084147c99cc2.exe
- Size 4.8MB
- Sample240615-dfphyaxbpa
- SHA256 d16265882061fe6585f16a3adb40734690f19058197210ab760e084147c99cc2
Malware Config
Extracted
-
socks5systemz
-
bheijia.com
Signatures
- Detect Socks5Systemz Payload 1 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 1 IoCs
- Unexpected DNS network traffic destination 3 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\d16265882061fe6585f16a3adb40734690f19058197210ab760e084147c99cc2.exe"C:\Users\Admin\AppData\Local\Temp\d16265882061fe6585f16a3adb40734690f19058197210ab760e084147c99cc2.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-9T8A7.tmp\d16265882061fe6585f16a3adb40734690f19058197210ab760e084147c99cc2.tmp"C:\Users\Admin\AppData\Local\Temp\is-9T8A7.tmp\d16265882061fe6585f16a3adb40734690f19058197210ab760e084147c99cc2.tmp" /SL5="$C004E,4801216,54272,C:\Users\Admin\AppData\Local\Temp\d16265882061fe6585f16a3adb40734690f19058197210ab760e084147c99cc2.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32.exe"C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32.exe"C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32.exe" -s3⤵
- Executes dropped EXE
-
-
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4404,i,1697479186275492802,18058102846092193784,262144 --variations-seed-version --mojo-platform-channel-handle=3144 /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
moonvoiceassist32.exe
d16265882061fe6585f16a3adb40734690f19058197210ab760e084147c99cc2.tmp
_iscrypt.dll
memory/1180-59-0x0000000000400000-0x000000000070B000-memory.dmp
memory/1180-63-0x0000000000400000-0x000000000070B000-memory.dmp
memory/1180-64-0x0000000000400000-0x000000000070B000-memory.dmp
memory/1180-60-0x0000000000400000-0x000000000070B000-memory.dmp
memory/1620-69-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/1620-16-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/3988-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/3988-1-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3988-68-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4520-73-0x0000000000400000-0x000000000070B000-memory.dmp
memory/4520-87-0x0000000000400000-0x000000000070B000-memory.dmp
memory/4520-66-0x0000000000400000-0x000000000070B000-memory.dmp
memory/4520-76-0x0000000000400000-0x000000000070B000-memory.dmp
memory/4520-79-0x0000000000400000-0x000000000070B000-memory.dmp
memory/4520-82-0x0000000000400000-0x000000000070B000-memory.dmp
memory/4520-85-0x0000000000990000-0x0000000000A32000-memory.dmp
memory/4520-70-0x0000000000400000-0x000000000070B000-memory.dmp
memory/4520-92-0x0000000000400000-0x000000000070B000-memory.dmp
memory/4520-95-0x0000000000400000-0x000000000070B000-memory.dmp
memory/4520-98-0x0000000000400000-0x000000000070B000-memory.dmp
memory/4520-101-0x0000000000400000-0x000000000070B000-memory.dmp
memory/4520-104-0x0000000000400000-0x000000000070B000-memory.dmp
memory/4520-107-0x0000000000400000-0x000000000070B000-memory.dmp
memory/4520-110-0x0000000000400000-0x000000000070B000-memory.dmp
memory/4520-113-0x0000000000400000-0x000000000070B000-memory.dmp