Analysis
- max time kernel
141s - max time network
130s - platform
windows11-21h2_x64 - resource
win11-20240611-en - resource tags
- submitted
19/06/2024, 16:49
General
- Target c5aac34fdfe64484f966ea6a93aa6092a895779c529eab3a29022b9fb3174ed6.exe
- Size 4.9MB
- Sample240619-vb4kqstfra
- SHA256 c5aac34fdfe64484f966ea6a93aa6092a895779c529eab3a29022b9fb3174ed6
Malware Config
Extracted
-
socks5systemz
-
ejyuvey.ua
-
http://ejyuvey.ua/search/?q=67e28dd83f0fa67d125ca51e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa1de8889b5e4fa9281ae978f371ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff719c1ea9d9f3d
-
http://ejyuvey.ua/search/?q=67e28dd83f0fa67d125ca51e7c27d78406abdd88be4b12eab517aa5c96bd86e9938148855a8bbc896c58e713bc90c94836b5281fc235a925ed3e50d6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee9d923ac8679310
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 FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\c5aac34fdfe64484f966ea6a93aa6092a895779c529eab3a29022b9fb3174ed6.exe"C:\Users\Admin\AppData\Local\Temp\c5aac34fdfe64484f966ea6a93aa6092a895779c529eab3a29022b9fb3174ed6.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-1O73L.tmp\c5aac34fdfe64484f966ea6a93aa6092a895779c529eab3a29022b9fb3174ed6.tmp"C:\Users\Admin\AppData\Local\Temp\is-1O73L.tmp\c5aac34fdfe64484f966ea6a93aa6092a895779c529eab3a29022b9fb3174ed6.tmp" /SL5="$5017E,4839618,54272,C:\Users\Admin\AppData\Local\Temp\c5aac34fdfe64484f966ea6a93aa6092a895779c529eab3a29022b9fb3174ed6.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32_64.exe"C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32_64.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32_64.exe"C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32_64.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
audialstunebite32_64.exe
c5aac34fdfe64484f966ea6a93aa6092a895779c529eab3a29022b9fb3174ed6.tmp
_iscrypt.dll
memory/1388-98-0x0000000000400000-0x0000000000666000-memory.dmp
memory/1388-101-0x0000000000400000-0x0000000000666000-memory.dmp
memory/1388-116-0x0000000000400000-0x0000000000666000-memory.dmp
memory/1388-113-0x0000000000400000-0x0000000000666000-memory.dmp
memory/1388-109-0x0000000002480000-0x0000000002522000-memory.dmp
memory/1388-108-0x0000000002480000-0x0000000002522000-memory.dmp
memory/1388-67-0x0000000000400000-0x0000000000666000-memory.dmp
memory/1388-107-0x0000000000400000-0x0000000000666000-memory.dmp
memory/1388-104-0x0000000000400000-0x0000000000666000-memory.dmp
memory/1388-70-0x0000000000400000-0x0000000000666000-memory.dmp
memory/1388-73-0x0000000000400000-0x0000000000666000-memory.dmp
memory/1388-76-0x0000000000400000-0x0000000000666000-memory.dmp
memory/1388-79-0x0000000000400000-0x0000000000666000-memory.dmp
memory/1388-82-0x0000000000400000-0x0000000000666000-memory.dmp
memory/1388-83-0x0000000002480000-0x0000000002522000-memory.dmp
memory/1388-86-0x0000000000400000-0x0000000000666000-memory.dmp
memory/1388-92-0x0000000000400000-0x0000000000666000-memory.dmp
memory/1388-95-0x0000000000400000-0x0000000000666000-memory.dmp
memory/2924-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2924-68-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2924-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/4660-16-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4660-69-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4852-63-0x0000000000400000-0x0000000000666000-memory.dmp
memory/4852-61-0x0000000000400000-0x0000000000666000-memory.dmp
memory/4852-60-0x0000000000400000-0x0000000000666000-memory.dmp