Analysis
- max time kernel
147s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
13/06/2024, 12:16
General
- Target 05f9c3fae9b1f08fc1e5822ae61ee2c0.exe
- Size 4.8MB
- Sample240613-pff3casdlr
- SHA256 5a2322d7f478af9aac39e37b68082d6e7bcba23b0a1b67aa0c9ff6e3c00106f6
Malware Config
Extracted
-
socks5systemz
-
ckyycla.net
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\05f9c3fae9b1f08fc1e5822ae61ee2c0.exe"C:\Users\Admin\AppData\Local\Temp\05f9c3fae9b1f08fc1e5822ae61ee2c0.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-DHAEC.tmp\05f9c3fae9b1f08fc1e5822ae61ee2c0.tmp"C:\Users\Admin\AppData\Local\Temp\is-DHAEC.tmp\05f9c3fae9b1f08fc1e5822ae61ee2c0.tmp" /SL5="$501DA,4820847,54272,C:\Users\Admin\AppData\Local\Temp\05f9c3fae9b1f08fc1e5822ae61ee2c0.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
-
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C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32.exe"C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32.exe" -s3⤵
- Executes dropped EXE
-
-
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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=3812,i,13035806169561352434,1332896185314862791,262144 --variations-seed-version --mojo-platform-channel-handle=4488 /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
moonvoiceassist32.exe
05f9c3fae9b1f08fc1e5822ae61ee2c0.tmp
_iscrypt.dll
memory/2788-87-0x0000000000400000-0x000000000070B000-memory.dmp
memory/2788-76-0x0000000000400000-0x000000000070B000-memory.dmp
memory/2788-113-0x0000000000400000-0x000000000070B000-memory.dmp
memory/2788-110-0x0000000000400000-0x000000000070B000-memory.dmp
memory/2788-107-0x0000000000400000-0x000000000070B000-memory.dmp
memory/2788-104-0x0000000000400000-0x000000000070B000-memory.dmp
memory/2788-66-0x0000000000400000-0x000000000070B000-memory.dmp
memory/2788-101-0x0000000000400000-0x000000000070B000-memory.dmp
memory/2788-98-0x0000000000400000-0x000000000070B000-memory.dmp
memory/2788-70-0x0000000000400000-0x000000000070B000-memory.dmp
memory/2788-73-0x0000000000400000-0x000000000070B000-memory.dmp
memory/2788-95-0x0000000000400000-0x000000000070B000-memory.dmp
memory/2788-79-0x0000000000400000-0x000000000070B000-memory.dmp
memory/2788-82-0x0000000000400000-0x000000000070B000-memory.dmp
memory/2788-85-0x0000000000A00000-0x0000000000AA2000-memory.dmp
memory/2788-92-0x0000000000400000-0x000000000070B000-memory.dmp
memory/3676-64-0x0000000000400000-0x000000000070B000-memory.dmp
memory/3676-60-0x0000000000400000-0x000000000070B000-memory.dmp
memory/3676-59-0x0000000000400000-0x000000000070B000-memory.dmp
memory/4960-13-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4960-69-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/5096-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/5096-68-0x0000000000400000-0x0000000000414000-memory.dmp
memory/5096-3-0x0000000000401000-0x000000000040B000-memory.dmp