Analysis
- max time kernel
152s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
24/03/2024, 00:31
General
- Target fe4c1aa2eebc57c4d40a044e96f5d487.exe
- Size 2.0MB
- Sample240324-at2tmseh74
- SHA256 c5a44d49487fc4ef176fab38c0761607e5f1005588079b1ccca24f5b11bcbde2
Malware Config
Extracted
-
socks5systemz
-
http://bojvddn.com/search/?q=67e28dd83a5da32a155afd1b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a271ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe13c4ef969e3d
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\fe4c1aa2eebc57c4d40a044e96f5d487.exe"C:\Users\Admin\AppData\Local\Temp\fe4c1aa2eebc57c4d40a044e96f5d487.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-IJ50O.tmp\fe4c1aa2eebc57c4d40a044e96f5d487.tmp"C:\Users\Admin\AppData\Local\Temp\is-IJ50O.tmp\fe4c1aa2eebc57c4d40a044e96f5d487.tmp" /SL5="$A0030,1762897,54272,C:\Users\Admin\AppData\Local\Temp\fe4c1aa2eebc57c4d40a044e96f5d487.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe" -i3⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.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=3728 --field-trial-handle=2900,i,14549994492153927475,12895178890800740987,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
colorpicker32.exe
colorpicker32.exe
colorpicker32.exe
_iscrypt.dll
fe4c1aa2eebc57c4d40a044e96f5d487.tmp
memory/852-52-0x0000000002240000-0x0000000002241000-memory.dmp
memory/852-7-0x0000000002240000-0x0000000002241000-memory.dmp
memory/852-48-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/1572-38-0x0000000000400000-0x0000000000611000-memory.dmp
memory/1572-39-0x0000000000400000-0x0000000000611000-memory.dmp
memory/1572-42-0x0000000000400000-0x0000000000611000-memory.dmp
memory/1572-44-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2280-40-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2280-1-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3736-55-0x0000000000400000-0x0000000000611000-memory.dmp
memory/3736-68-0x00000000008E0000-0x0000000000982000-memory.dmp
memory/3736-47-0x0000000000400000-0x0000000000611000-memory.dmp
memory/3736-56-0x0000000000400000-0x0000000000611000-memory.dmp
memory/3736-58-0x0000000000400000-0x0000000000611000-memory.dmp
memory/3736-62-0x0000000000400000-0x0000000000611000-memory.dmp
memory/3736-64-0x0000000000400000-0x0000000000611000-memory.dmp
memory/3736-67-0x0000000000400000-0x0000000000611000-memory.dmp
memory/3736-69-0x00000000008E0000-0x0000000000982000-memory.dmp
memory/3736-51-0x0000000000400000-0x0000000000611000-memory.dmp
memory/3736-75-0x0000000000400000-0x0000000000611000-memory.dmp
memory/3736-79-0x0000000000400000-0x0000000000611000-memory.dmp
memory/3736-80-0x00000000008E0000-0x0000000000982000-memory.dmp
memory/3736-83-0x0000000000400000-0x0000000000611000-memory.dmp
memory/3736-85-0x0000000000400000-0x0000000000611000-memory.dmp
memory/3736-88-0x0000000000400000-0x0000000000611000-memory.dmp
memory/3736-92-0x0000000000400000-0x0000000000611000-memory.dmp
memory/3736-96-0x0000000000400000-0x0000000000611000-memory.dmp