Analysis
- max time kernel
142s - max time network
135s - platform
windows11-21h2_x64 - resource
win11-20240426-en - resource tags
- submitted
10/06/2024, 11:02
General
- Target feaccc68b59d92a5a56f5979eb160b49f3ccf0e7cc808a95115f626d5e2808a3.exe
- Size 4.6MB
- Sample240610-m5gn3aha36
- SHA256 feaccc68b59d92a5a56f5979eb160b49f3ccf0e7cc808a95115f626d5e2808a3
Malware Config
Extracted
-
socks5systemz
-
dleqivm.info
-
http://dleqivm.info/search/?q=67e28dd83d5fa77a480faf1e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978f171ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff711c1e891993d
-
http://dleqivm.info/search/?q=67e28dd83d5fa77a480faf1e7c27d78406abdd88be4b12eab517aa5c96bd86e4928e4a96148ab2865b77f80ebad9c50f7cb63037ed2ab423a4344383ba915d911ec07bb606a0708727e40ea678c751bbe34efb0e2807e12571c17f3e83fe16c1e7959b3cc96c90
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\feaccc68b59d92a5a56f5979eb160b49f3ccf0e7cc808a95115f626d5e2808a3.exe"C:\Users\Admin\AppData\Local\Temp\feaccc68b59d92a5a56f5979eb160b49f3ccf0e7cc808a95115f626d5e2808a3.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-NDMSI.tmp\feaccc68b59d92a5a56f5979eb160b49f3ccf0e7cc808a95115f626d5e2808a3.tmp"C:\Users\Admin\AppData\Local\Temp\is-NDMSI.tmp\feaccc68b59d92a5a56f5979eb160b49f3ccf0e7cc808a95115f626d5e2808a3.tmp" /SL5="$40240,4608415,54272,C:\Users\Admin\AppData\Local\Temp\feaccc68b59d92a5a56f5979eb160b49f3ccf0e7cc808a95115f626d5e2808a3.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe"C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe"C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
linuxmultiMediastudio.exe
_iscrypt.dll
feaccc68b59d92a5a56f5979eb160b49f3ccf0e7cc808a95115f626d5e2808a3.tmp
memory/1428-69-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1428-3-0x0000000000401000-0x000000000040B000-memory.dmp
memory/1428-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2432-59-0x0000000000400000-0x00000000006E3000-memory.dmp
memory/2432-60-0x0000000000400000-0x00000000006E3000-memory.dmp
memory/2432-63-0x0000000000400000-0x00000000006E3000-memory.dmp
memory/2432-64-0x0000000000400000-0x00000000006E3000-memory.dmp
memory/2692-75-0x0000000000400000-0x00000000006E3000-memory.dmp
memory/2692-107-0x0000000000400000-0x00000000006E3000-memory.dmp
memory/2692-67-0x0000000000400000-0x00000000006E3000-memory.dmp
memory/2692-119-0x0000000000400000-0x00000000006E3000-memory.dmp
memory/2692-71-0x0000000000400000-0x00000000006E3000-memory.dmp
memory/2692-74-0x0000000000400000-0x00000000006E3000-memory.dmp
memory/2692-116-0x0000000000400000-0x00000000006E3000-memory.dmp
memory/2692-78-0x0000000000400000-0x00000000006E3000-memory.dmp
memory/2692-81-0x0000000000400000-0x00000000006E3000-memory.dmp
memory/2692-84-0x0000000000400000-0x00000000006E3000-memory.dmp
memory/2692-87-0x0000000000A40000-0x0000000000AE2000-memory.dmp
memory/2692-90-0x0000000000400000-0x00000000006E3000-memory.dmp
memory/2692-95-0x0000000000400000-0x00000000006E3000-memory.dmp
memory/2692-98-0x0000000000400000-0x00000000006E3000-memory.dmp
memory/2692-101-0x0000000000400000-0x00000000006E3000-memory.dmp
memory/2692-104-0x0000000000400000-0x00000000006E3000-memory.dmp
memory/2692-68-0x0000000000400000-0x00000000006E3000-memory.dmp
memory/2692-110-0x0000000000400000-0x00000000006E3000-memory.dmp
memory/2692-112-0x0000000000A40000-0x0000000000AE2000-memory.dmp
memory/2692-111-0x0000000000A40000-0x0000000000AE2000-memory.dmp
memory/3188-13-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/3188-70-0x0000000000400000-0x00000000004BA000-memory.dmp