Analysis
- max time kernel
141s - max time network
127s - platform
windows11-21h2_x64 - resource
win11-20240221-en - resource tags
- submitted
31/03/2024, 04:36
General
- Target c7d51a729ff97c971e387c5c4d6df5c6b5dbaf68c4c594f37578086d69667323.exe
- Size 1.8MB
- Sample240331-e8ed4sed79
- SHA256 c7d51a729ff97c971e387c5c4d6df5c6b5dbaf68c4c594f37578086d69667323
Malware Config
Extracted
-
socks5systemz
-
http://bxdezob.com/search/?q=67e28dd83d0ef479150af9197c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4be8889b5e4fa9281ae978a571ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ffe19c5e69d9e3c
-
http://bxdezob.com/search/?q=67e28dd83d0ef479150af9197c27d78406abdd88be4b12eab517aa5c96bd86ee918e4d855a8bbc896c58e713bc90c91e36b5281fc235a925ed3e06d6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee94923ec4679211
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 WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\c7d51a729ff97c971e387c5c4d6df5c6b5dbaf68c4c594f37578086d69667323.exe"C:\Users\Admin\AppData\Local\Temp\c7d51a729ff97c971e387c5c4d6df5c6b5dbaf68c4c594f37578086d69667323.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-SSISG.tmp\c7d51a729ff97c971e387c5c4d6df5c6b5dbaf68c4c594f37578086d69667323.tmp"C:\Users\Admin\AppData\Local\Temp\is-SSISG.tmp\c7d51a729ff97c971e387c5c4d6df5c6b5dbaf68c4c594f37578086d69667323.tmp" /SL5="$40204,1555509,54272,C:\Users\Admin\AppData\Local\Temp\c7d51a729ff97c971e387c5c4d6df5c6b5dbaf68c4c594f37578086d69667323.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Any Audio Record\anyaudiorecord.exe"C:\Users\Admin\AppData\Local\Any Audio Record\anyaudiorecord.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Any Audio Record\anyaudiorecord.exe"C:\Users\Admin\AppData\Local\Any Audio Record\anyaudiorecord.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
anyaudiorecord.exe
_iscrypt.dll
c7d51a729ff97c971e387c5c4d6df5c6b5dbaf68c4c594f37578086d69667323.tmp
memory/1848-39-0x0000000000400000-0x00000000005AC000-memory.dmp
memory/1848-43-0x0000000000400000-0x00000000005AC000-memory.dmp
memory/1848-40-0x0000000000400000-0x00000000005AC000-memory.dmp
memory/1848-38-0x0000000000400000-0x00000000005AC000-memory.dmp
memory/3316-54-0x0000000000400000-0x00000000005AC000-memory.dmp
memory/3316-64-0x0000000000400000-0x00000000005AC000-memory.dmp
memory/3316-100-0x0000000000400000-0x00000000005AC000-memory.dmp
memory/3316-46-0x0000000000400000-0x00000000005AC000-memory.dmp
memory/3316-47-0x0000000000400000-0x00000000005AC000-memory.dmp
memory/3316-97-0x0000000000400000-0x00000000005AC000-memory.dmp
memory/3316-93-0x0000000000890000-0x0000000000932000-memory.dmp
memory/3316-50-0x0000000000400000-0x00000000005AC000-memory.dmp
memory/3316-92-0x0000000000890000-0x0000000000932000-memory.dmp
memory/3316-91-0x0000000000400000-0x00000000005AC000-memory.dmp
memory/3316-55-0x0000000000400000-0x00000000005AC000-memory.dmp
memory/3316-58-0x0000000000400000-0x00000000005AC000-memory.dmp
memory/3316-61-0x0000000000400000-0x00000000005AC000-memory.dmp
memory/3316-88-0x0000000000400000-0x00000000005AC000-memory.dmp
memory/3316-66-0x0000000000890000-0x0000000000932000-memory.dmp
memory/3316-69-0x0000000000400000-0x00000000005AC000-memory.dmp
memory/3316-70-0x0000000000890000-0x0000000000932000-memory.dmp
memory/3316-75-0x0000000000400000-0x00000000005AC000-memory.dmp
memory/3316-78-0x0000000000400000-0x00000000005AC000-memory.dmp
memory/3316-79-0x0000000000890000-0x0000000000932000-memory.dmp
memory/3316-82-0x0000000000400000-0x00000000005AC000-memory.dmp
memory/3316-85-0x0000000000400000-0x00000000005AC000-memory.dmp
memory/3536-7-0x0000000002200000-0x0000000002201000-memory.dmp
memory/3536-51-0x0000000002200000-0x0000000002201000-memory.dmp
memory/3536-49-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/4756-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4756-48-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4756-2-0x0000000000400000-0x0000000000414000-memory.dmp