Analysis
- max time kernel
145s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
23/03/2024, 17:16
General
- Target 2f2b5ff3c33c62109f96e65c1d7601b0.exe
- Size 2.0MB
- Sample240323-vs48lacd3v
- SHA256 37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81
Malware Config
Extracted
-
socks5systemz
-
http://dixabom.info/search/?q=67e28dd83a5da32a155afd1b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a271ea771795af8e05c642db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe13c1eb979f39
Signatures
- Detect Socks5Systemz Payload 3 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 1 IoCs
- Unexpected DNS network traffic destination 1 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 WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2f2b5ff3c33c62109f96e65c1d7601b0.exe"C:\Users\Admin\AppData\Local\Temp\2f2b5ff3c33c62109f96e65c1d7601b0.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-EMEM3.tmp\2f2b5ff3c33c62109f96e65c1d7601b0.tmp"C:\Users\Admin\AppData\Local\Temp\is-EMEM3.tmp\2f2b5ff3c33c62109f96e65c1d7601b0.tmp" /SL5="$60222,1752368,54272,C:\Users\Admin\AppData\Local\Temp\2f2b5ff3c33c62109f96e65c1d7601b0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.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 --mojo-platform-channel-handle=4092 --field-trial-handle=2280,i,716736634476467098,11449718822158202904,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
colorpicker.exe
2f2b5ff3c33c62109f96e65c1d7601b0.tmp
2f2b5ff3c33c62109f96e65c1d7601b0.tmp
_iscrypt.dll
memory/408-6-0x0000000000400000-0x0000000000414000-memory.dmp
memory/408-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/408-47-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2788-7-0x0000000002340000-0x0000000002341000-memory.dmp
memory/2788-52-0x0000000002340000-0x0000000002341000-memory.dmp
memory/2788-48-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/4508-38-0x0000000000400000-0x0000000000611000-memory.dmp
memory/4508-39-0x0000000000400000-0x0000000000611000-memory.dmp
memory/4508-40-0x0000000000400000-0x0000000000611000-memory.dmp
memory/4508-43-0x0000000000400000-0x0000000000611000-memory.dmp
memory/5004-51-0x0000000000400000-0x0000000000611000-memory.dmp
memory/5004-69-0x0000000000940000-0x00000000009E2000-memory.dmp
memory/5004-55-0x0000000000400000-0x0000000000611000-memory.dmp
memory/5004-56-0x0000000000400000-0x0000000000611000-memory.dmp
memory/5004-58-0x0000000000400000-0x0000000000611000-memory.dmp
memory/5004-61-0x0000000000400000-0x0000000000611000-memory.dmp
memory/5004-63-0x0000000000400000-0x0000000000611000-memory.dmp
memory/5004-67-0x0000000000940000-0x00000000009E2000-memory.dmp
memory/5004-68-0x0000000000400000-0x0000000000611000-memory.dmp
memory/5004-46-0x0000000000400000-0x0000000000611000-memory.dmp
memory/5004-75-0x0000000000400000-0x0000000000611000-memory.dmp
memory/5004-79-0x0000000000400000-0x0000000000611000-memory.dmp
memory/5004-80-0x0000000000940000-0x00000000009E2000-memory.dmp
memory/5004-83-0x0000000000400000-0x0000000000611000-memory.dmp
memory/5004-85-0x0000000000400000-0x0000000000611000-memory.dmp
memory/5004-88-0x0000000000400000-0x0000000000611000-memory.dmp
memory/5004-90-0x0000000000400000-0x0000000000611000-memory.dmp