Analysis
- max time kernel
147s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
27/02/2024, 16:21
General
- Target f35ba69c30a722caf6389c87ce8bde57.exe
- Size 2.7MB
- Sample240227-ttmt9sdg32
- SHA256 04dd67b8acccbf98bc72bed98a337382ce1236989be2a0e2c21257883a987f3d
Malware Config
Extracted
-
socks5systemz
-
http://bncdhbp.com/search/?q=67e28dd83a5da32a155afd1b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a271ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ef611c5ef9c9e3a
-
http://bncdhbp.com/search/?q=67e28dd83a5da32a155afd1b7c27d78406abdd88be4b12eab517aa5c96bd86e9948f4f845a8bbc896c58e713bc90c91936b5281fc235a925ed3e01d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ef9c9a3ecd669217
Signatures
- Detect Socks5Systemz Payload 5 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 3 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.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\f35ba69c30a722caf6389c87ce8bde57.exe"C:\Users\Admin\AppData\Local\Temp\f35ba69c30a722caf6389c87ce8bde57.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-KOFOR.tmp\f35ba69c30a722caf6389c87ce8bde57.tmp"C:\Users\Admin\AppData\Local\Temp\is-KOFOR.tmp\f35ba69c30a722caf6389c87ce8bde57.tmp" /SL5="$B004E,2497878,56832,C:\Users\Admin\AppData\Local\Temp\f35ba69c30a722caf6389c87ce8bde57.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\CD DVD Identifier\cddvdidentifier.exe"C:\Users\Admin\AppData\Local\CD DVD Identifier\cddvdidentifier.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\CD DVD Identifier\cddvdidentifier.exe"C:\Users\Admin\AppData\Local\CD DVD Identifier\cddvdidentifier.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=3712 --field-trial-handle=1928,i,13242902252791919845,10377620236057253993,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
cddvdidentifier.exe
cddvdidentifier.exe
cddvdidentifier.exe
_iscrypt.dll
_isdecmp.dll
f35ba69c30a722caf6389c87ce8bde57.tmp
memory/836-59-0x0000000000400000-0x000000000074D000-memory.dmp
memory/836-84-0x0000000000870000-0x0000000000912000-memory.dmp
memory/836-102-0x0000000000400000-0x000000000074D000-memory.dmp
memory/836-98-0x0000000000870000-0x0000000000912000-memory.dmp
memory/836-97-0x0000000000870000-0x0000000000912000-memory.dmp
memory/836-96-0x0000000000400000-0x000000000074D000-memory.dmp
memory/836-92-0x0000000000400000-0x000000000074D000-memory.dmp
memory/836-51-0x0000000000400000-0x000000000074D000-memory.dmp
memory/836-90-0x0000000000400000-0x000000000074D000-memory.dmp
memory/836-87-0x0000000000400000-0x000000000074D000-memory.dmp
memory/836-55-0x0000000000400000-0x000000000074D000-memory.dmp
memory/836-83-0x0000000000400000-0x000000000074D000-memory.dmp
memory/836-79-0x0000000000400000-0x000000000074D000-memory.dmp
memory/836-60-0x0000000000400000-0x000000000074D000-memory.dmp
memory/836-63-0x0000000000400000-0x000000000074D000-memory.dmp
memory/836-66-0x0000000000400000-0x000000000074D000-memory.dmp
memory/836-68-0x0000000000400000-0x000000000074D000-memory.dmp
memory/836-72-0x0000000000870000-0x0000000000912000-memory.dmp
memory/836-73-0x0000000000400000-0x000000000074D000-memory.dmp
memory/836-74-0x0000000000870000-0x0000000000912000-memory.dmp
memory/3020-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3020-52-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3020-2-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3428-43-0x0000000000400000-0x000000000074D000-memory.dmp
memory/3428-48-0x0000000000400000-0x000000000074D000-memory.dmp
memory/3428-45-0x0000000000400000-0x000000000074D000-memory.dmp
memory/3428-44-0x0000000000400000-0x000000000074D000-memory.dmp
memory/4820-56-0x0000000002240000-0x0000000002241000-memory.dmp
memory/4820-53-0x0000000000400000-0x00000000004BC000-memory.dmp
memory/4820-7-0x0000000002240000-0x0000000002241000-memory.dmp