Analysis
- max time kernel
142s - max time network
128s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
09/04/2024, 04:16
General
- Target 58ded1f2ba21c90c0f071585efc54690.exe
- Size 4.1MB
- Sample240409-evspksed73
- SHA256 fb2bcf07adb62ba76d441eae8ea5adbbc37dc4d5dea66e5fd1ab85c06fbf3efc
Malware Config
Extracted
-
socks5systemz
-
http://boemilk.com/search/?q=67e28dd86e0bf32a420fa9187c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978a071ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffd17c3e9979832
-
http://boemilk.com/search/?q=67e28dd86e0bf32a420fa9187c27d78406abdd88be4b12eab517aa5c96bd86eb96854b825a8bbc896c58e713bc90c91836b5281fc235a925ed3e03d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee979c38cb6d941f
Signatures
- Detect Socks5Systemz Payload 5 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
-
C:\Users\Admin\AppData\Local\Temp\58ded1f2ba21c90c0f071585efc54690.exe"C:\Users\Admin\AppData\Local\Temp\58ded1f2ba21c90c0f071585efc54690.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-GRA4L.tmp\58ded1f2ba21c90c0f071585efc54690.tmp"C:\Users\Admin\AppData\Local\Temp\is-GRA4L.tmp\58ded1f2ba21c90c0f071585efc54690.tmp" /SL5="$10005E,3888835,54272,C:\Users\Admin\AppData\Local\Temp\58ded1f2ba21c90c0f071585efc54690.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Sun Vox\sunvox.exe"C:\Users\Admin\AppData\Local\Sun Vox\sunvox.exe" -i3⤵
- Executes dropped EXE
-
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C:\Users\Admin\AppData\Local\Sun Vox\sunvox.exe"C:\Users\Admin\AppData\Local\Sun Vox\sunvox.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
sunvox.exe
58ded1f2ba21c90c0f071585efc54690.tmp
_iscrypt.dll
memory/1572-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1572-3-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1572-49-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1908-44-0x0000000000400000-0x00000000006AC000-memory.dmp
memory/1908-40-0x0000000000400000-0x00000000006AC000-memory.dmp
memory/1908-41-0x0000000000400000-0x00000000006AC000-memory.dmp
memory/1908-39-0x0000000000400000-0x00000000006AC000-memory.dmp
memory/2284-50-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2284-52-0x0000000002240000-0x0000000002241000-memory.dmp
memory/2284-7-0x0000000002240000-0x0000000002241000-memory.dmp
memory/2304-55-0x0000000000400000-0x00000000006AC000-memory.dmp
memory/2304-76-0x0000000000400000-0x00000000006AC000-memory.dmp
memory/2304-48-0x0000000000400000-0x00000000006AC000-memory.dmp
memory/2304-46-0x0000000000400000-0x00000000006AC000-memory.dmp
memory/2304-56-0x0000000000400000-0x00000000006AC000-memory.dmp
memory/2304-59-0x0000000000400000-0x00000000006AC000-memory.dmp
memory/2304-62-0x0000000000400000-0x00000000006AC000-memory.dmp
memory/2304-65-0x0000000000400000-0x00000000006AC000-memory.dmp
memory/2304-68-0x0000000000940000-0x00000000009E2000-memory.dmp
memory/2304-69-0x0000000000400000-0x00000000006AC000-memory.dmp
memory/2304-71-0x0000000000940000-0x00000000009E2000-memory.dmp
memory/2304-51-0x0000000000400000-0x00000000006AC000-memory.dmp
memory/2304-79-0x0000000000400000-0x00000000006AC000-memory.dmp
memory/2304-80-0x0000000000940000-0x00000000009E2000-memory.dmp
memory/2304-83-0x0000000000400000-0x00000000006AC000-memory.dmp
memory/2304-86-0x0000000000400000-0x00000000006AC000-memory.dmp
memory/2304-89-0x0000000000400000-0x00000000006AC000-memory.dmp
memory/2304-92-0x0000000000400000-0x00000000006AC000-memory.dmp
memory/2304-93-0x0000000000940000-0x00000000009E2000-memory.dmp
memory/2304-94-0x0000000000940000-0x00000000009E2000-memory.dmp
memory/2304-98-0x0000000000400000-0x00000000006AC000-memory.dmp
memory/2304-101-0x0000000000400000-0x00000000006AC000-memory.dmp