Analysis
- max time kernel
145s - max time network
142s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
08/04/2024, 15:01
General
- Target 3eb816e7eac2eedcb2e0ed7611dd23de.exe
- Size 4.1MB
- Sample240408-sdvz9sfd8w
- SHA256 c8d346a0d9dcdcb921a659ac9338e9aeff89e9b9e5513bc61a0d358a41a3d7a2
Malware Config
Extracted
-
socks5systemz
-
http://bgqiaaz.com/search/?q=67e28dd8655aa729110daa1b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a771ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffd14c8e7909f3e
-
http://bgqiaaz.com/search/?q=67e28dd8655aa729110daa1b7c27d78406abdd88be4b12eab517aa5c96bd86e89d8e4f96148ab2865b77f80ebad9c40f7cb63037ed2ab423a4624383ba915d911ec07bb606a0708727e40ea678c45abbe74ffb0e2807e12571c17f3e83fe16c1ed909233c86a93
Signatures
- Detect Socks5Systemz Payload 4 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 FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\3eb816e7eac2eedcb2e0ed7611dd23de.exe"C:\Users\Admin\AppData\Local\Temp\3eb816e7eac2eedcb2e0ed7611dd23de.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-8IUIU.tmp\3eb816e7eac2eedcb2e0ed7611dd23de.tmp"C:\Users\Admin\AppData\Local\Temp\is-8IUIU.tmp\3eb816e7eac2eedcb2e0ed7611dd23de.tmp" /SL5="$7011C,3934872,54272,C:\Users\Admin\AppData\Local\Temp\3eb816e7eac2eedcb2e0ed7611dd23de.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\SoundVolumeView\soundvolumeview.exe"C:\Users\Admin\AppData\Local\SoundVolumeView\soundvolumeview.exe" -i3⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\SoundVolumeView\soundvolumeview.exe"C:\Users\Admin\AppData\Local\SoundVolumeView\soundvolumeview.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=2792 --field-trial-handle=2268,i,8796662530135712346,11409037572378858775,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
soundvolumeview.exe
3eb816e7eac2eedcb2e0ed7611dd23de.tmp
_iscrypt.dll
memory/8-49-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/8-6-0x0000000000660000-0x0000000000661000-memory.dmp
memory/8-51-0x0000000000660000-0x0000000000661000-memory.dmp
memory/3848-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3848-48-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3952-38-0x0000000000400000-0x00000000006A5000-memory.dmp
memory/3952-39-0x0000000000400000-0x00000000006A5000-memory.dmp
memory/3952-43-0x0000000000400000-0x00000000006A5000-memory.dmp
memory/3952-42-0x0000000000400000-0x00000000006A5000-memory.dmp
memory/4228-55-0x0000000000400000-0x00000000006A5000-memory.dmp
memory/4228-77-0x0000000000400000-0x00000000006A5000-memory.dmp
memory/4228-47-0x0000000000400000-0x00000000006A5000-memory.dmp
memory/4228-54-0x0000000000400000-0x00000000006A5000-memory.dmp
memory/4228-45-0x0000000000400000-0x00000000006A5000-memory.dmp
memory/4228-58-0x0000000000400000-0x00000000006A5000-memory.dmp
memory/4228-61-0x0000000000400000-0x00000000006A5000-memory.dmp
memory/4228-64-0x0000000000400000-0x00000000006A5000-memory.dmp
memory/4228-67-0x0000000000400000-0x00000000006A5000-memory.dmp
memory/4228-68-0x00000000008C0000-0x0000000000962000-memory.dmp
memory/4228-74-0x0000000000400000-0x00000000006A5000-memory.dmp
memory/4228-50-0x0000000000400000-0x00000000006A5000-memory.dmp
memory/4228-78-0x00000000008C0000-0x0000000000962000-memory.dmp
memory/4228-81-0x0000000000400000-0x00000000006A5000-memory.dmp
memory/4228-84-0x0000000000400000-0x00000000006A5000-memory.dmp
memory/4228-87-0x0000000000400000-0x00000000006A5000-memory.dmp
memory/4228-90-0x0000000000400000-0x00000000006A5000-memory.dmp
memory/4228-91-0x00000000008C0000-0x0000000000962000-memory.dmp
memory/4228-92-0x00000000008C0000-0x0000000000962000-memory.dmp
memory/4228-96-0x0000000000400000-0x00000000006A5000-memory.dmp
memory/4228-99-0x0000000000400000-0x00000000006A5000-memory.dmp