Analysis
- max time kernel
147s - max time network
155s - platform
windows11-21h2_x64 - resource
win11-20240508-en - resource tags
- submitted
19/06/2024, 19:32
General
- Target f2c9155cfe4489096e511e436be5940f6f94612f91c57021a74b4be3cbda2f9a.exe
- Size 4.8MB
- Sample240619-x9a27aybmg
- SHA256 f2c9155cfe4489096e511e436be5940f6f94612f91c57021a74b4be3cbda2f9a
Malware Config
Extracted
-
socks5systemz
-
bbpzxrt.com
Signatures
- Detect Socks5Systemz Payload 1 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 1 IoCs
- Unexpected DNS network traffic destination 3 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\f2c9155cfe4489096e511e436be5940f6f94612f91c57021a74b4be3cbda2f9a.exe"C:\Users\Admin\AppData\Local\Temp\f2c9155cfe4489096e511e436be5940f6f94612f91c57021a74b4be3cbda2f9a.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-VS46F.tmp\f2c9155cfe4489096e511e436be5940f6f94612f91c57021a74b4be3cbda2f9a.tmp"C:\Users\Admin\AppData\Local\Temp\is-VS46F.tmp\f2c9155cfe4489096e511e436be5940f6f94612f91c57021a74b4be3cbda2f9a.tmp" /SL5="$60060,4811953,54272,C:\Users\Admin\AppData\Local\Temp\f2c9155cfe4489096e511e436be5940f6f94612f91c57021a74b4be3cbda2f9a.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
_iscrypt.dll
f2c9155cfe4489096e511e436be5940f6f94612f91c57021a74b4be3cbda2f9a.tmp
memory/1548-69-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1548-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/1548-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2464-12-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2464-70-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/3416-96-0x0000000000400000-0x0000000000660000-memory.dmp
memory/3416-83-0x0000000000400000-0x0000000000660000-memory.dmp
memory/3416-114-0x0000000000400000-0x0000000000660000-memory.dmp
memory/3416-111-0x0000000000400000-0x0000000000660000-memory.dmp
memory/3416-108-0x0000000000400000-0x0000000000660000-memory.dmp
memory/3416-71-0x0000000000400000-0x0000000000660000-memory.dmp
memory/3416-74-0x0000000000400000-0x0000000000660000-memory.dmp
memory/3416-77-0x0000000000400000-0x0000000000660000-memory.dmp
memory/3416-80-0x0000000000400000-0x0000000000660000-memory.dmp
memory/3416-68-0x0000000000400000-0x0000000000660000-memory.dmp
memory/3416-84-0x0000000000990000-0x0000000000A32000-memory.dmp
memory/3416-88-0x0000000000400000-0x0000000000660000-memory.dmp
memory/3416-93-0x0000000000400000-0x0000000000660000-memory.dmp
memory/3416-105-0x0000000000400000-0x0000000000660000-memory.dmp
memory/3416-99-0x0000000000400000-0x0000000000660000-memory.dmp
memory/3416-102-0x0000000000400000-0x0000000000660000-memory.dmp
memory/4632-61-0x0000000000400000-0x0000000000660000-memory.dmp
memory/4632-65-0x0000000000400000-0x0000000000660000-memory.dmp
memory/4632-63-0x0000000000400000-0x0000000000660000-memory.dmp
memory/4632-60-0x0000000000400000-0x0000000000660000-memory.dmp