Analysis
- max time kernel
147s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20240611-en - resource tags
- submitted
25/06/2024, 07:21
General
- Target 8d2197a46049b79ea7d9652c91e119d891d1b299f0a5bcd226840c259055e219.exe
- Size 4.8MB
- Sample240625-h6seqswenf
- SHA256 8d2197a46049b79ea7d9652c91e119d891d1b299f0a5bcd226840c259055e219
Malware Config
Extracted
-
socks5systemz
-
bhrkvxs.com
-
http://bhrkvxs.com/search/?q=67e28dd83d0ea428165baf167c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a371ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff612c0ef949e38
-
http://bhrkvxs.com/search/?q=67e28dd83d0ea428165baf167c27d78406abdd88be4b12eab517aa5c96bd86ea92834496148ab2865b77f80ebad9c40f7cb63037ed2ab423a4664383ba915d911ec07bb606a0708727e40ea678c751bbe34efb0e2807e12571c17f3e83fe16c1e6969a3bcc6b95
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\8d2197a46049b79ea7d9652c91e119d891d1b299f0a5bcd226840c259055e219.exe"C:\Users\Admin\AppData\Local\Temp\8d2197a46049b79ea7d9652c91e119d891d1b299f0a5bcd226840c259055e219.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-N0KC2.tmp\8d2197a46049b79ea7d9652c91e119d891d1b299f0a5bcd226840c259055e219.tmp"C:\Users\Admin\AppData\Local\Temp\is-N0KC2.tmp\8d2197a46049b79ea7d9652c91e119d891d1b299f0a5bcd226840c259055e219.tmp" /SL5="$40206,4761883,54272,C:\Users\Admin\AppData\Local\Temp\8d2197a46049b79ea7d9652c91e119d891d1b299f0a5bcd226840c259055e219.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe"C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe"C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
mp3ripfreeedition.exe
_iscrypt.dll
8d2197a46049b79ea7d9652c91e119d891d1b299f0a5bcd226840c259055e219.tmp
memory/396-69-0x0000000000400000-0x0000000000414000-memory.dmp
memory/396-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/396-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2868-95-0x0000000000400000-0x00000000006C7000-memory.dmp
memory/2868-86-0x00000000009E0000-0x0000000000A82000-memory.dmp
memory/2868-119-0x0000000000400000-0x00000000006C7000-memory.dmp
memory/2868-68-0x0000000000400000-0x00000000006C7000-memory.dmp
memory/2868-67-0x0000000000400000-0x00000000006C7000-memory.dmp
memory/2868-116-0x0000000000400000-0x00000000006C7000-memory.dmp
memory/2868-112-0x00000000009E0000-0x0000000000A82000-memory.dmp
memory/2868-71-0x0000000000400000-0x00000000006C7000-memory.dmp
memory/2868-74-0x0000000000400000-0x00000000006C7000-memory.dmp
memory/2868-75-0x0000000000400000-0x00000000006C7000-memory.dmp
memory/2868-78-0x0000000000400000-0x00000000006C7000-memory.dmp
memory/2868-81-0x0000000000400000-0x00000000006C7000-memory.dmp
memory/2868-84-0x0000000000400000-0x00000000006C7000-memory.dmp
memory/2868-111-0x00000000009E0000-0x0000000000A82000-memory.dmp
memory/2868-90-0x0000000000400000-0x00000000006C7000-memory.dmp
memory/2868-110-0x0000000000400000-0x00000000006C7000-memory.dmp
memory/2868-98-0x0000000000400000-0x00000000006C7000-memory.dmp
memory/2868-101-0x0000000000400000-0x00000000006C7000-memory.dmp
memory/2868-104-0x0000000000400000-0x00000000006C7000-memory.dmp
memory/2868-107-0x0000000000400000-0x00000000006C7000-memory.dmp
memory/3556-60-0x0000000000400000-0x00000000006C7000-memory.dmp
memory/3556-59-0x0000000000400000-0x00000000006C7000-memory.dmp
memory/3556-63-0x0000000000400000-0x00000000006C7000-memory.dmp
memory/4912-16-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4912-70-0x0000000000400000-0x00000000004BA000-memory.dmp