Analysis
- max time kernel
292s - max time network
300s - platform
windows10-1703_x64 - resource
win10-20240404-en - resource tags
- submitted
30/05/2024, 23:33
General
- Target d73eb132984393b10b3f5f89c63e9ca0ddcf721e9b95df9455c1e1623ffd6546.exe
- Size 4.7MB
- Sample240530-3j7lcsed21
- SHA256 d73eb132984393b10b3f5f89c63e9ca0ddcf721e9b95df9455c1e1623ffd6546
Malware Config
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 2 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\d73eb132984393b10b3f5f89c63e9ca0ddcf721e9b95df9455c1e1623ffd6546.exe"C:\Users\Admin\AppData\Local\Temp\d73eb132984393b10b3f5f89c63e9ca0ddcf721e9b95df9455c1e1623ffd6546.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-2QSRU.tmp\d73eb132984393b10b3f5f89c63e9ca0ddcf721e9b95df9455c1e1623ffd6546.tmp"C:\Users\Admin\AppData\Local\Temp\is-2QSRU.tmp\d73eb132984393b10b3f5f89c63e9ca0ddcf721e9b95df9455c1e1623ffd6546.tmp" /SL5="$70204,4680398,54272,C:\Users\Admin\AppData\Local\Temp\d73eb132984393b10b3f5f89c63e9ca0ddcf721e9b95df9455c1e1623ffd6546.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Vaer Video Recorder\vaervideorecorder.exe"C:\Users\Admin\AppData\Local\Vaer Video Recorder\vaervideorecorder.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Vaer Video Recorder\vaervideorecorder.exe"C:\Users\Admin\AppData\Local\Vaer Video Recorder\vaervideorecorder.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
d73eb132984393b10b3f5f89c63e9ca0ddcf721e9b95df9455c1e1623ffd6546.tmp
vaervideorecorder.exe
_iscrypt.dll
memory/2060-106-0x0000000000400000-0x00000000006DE000-memory.dmp
memory/2060-109-0x0000000000400000-0x00000000006DE000-memory.dmp
memory/2060-128-0x0000000000400000-0x00000000006DE000-memory.dmp
memory/2060-125-0x0000000000400000-0x00000000006DE000-memory.dmp
memory/2060-122-0x0000000000400000-0x00000000006DE000-memory.dmp
memory/2060-119-0x0000000000400000-0x00000000006DE000-memory.dmp
memory/2060-66-0x0000000000400000-0x00000000006DE000-memory.dmp
memory/2060-115-0x0000000000400000-0x00000000006DE000-memory.dmp
memory/2060-112-0x0000000000400000-0x00000000006DE000-memory.dmp
memory/2060-69-0x0000000000400000-0x00000000006DE000-memory.dmp
memory/2060-72-0x0000000000400000-0x00000000006DE000-memory.dmp
memory/2060-75-0x0000000000400000-0x00000000006DE000-memory.dmp
memory/2060-78-0x0000000000400000-0x00000000006DE000-memory.dmp
memory/2060-81-0x0000000000400000-0x00000000006DE000-memory.dmp
memory/2060-91-0x0000000000400000-0x00000000006DE000-memory.dmp
memory/2060-100-0x0000000000400000-0x00000000006DE000-memory.dmp
memory/2060-82-0x00000000008A0000-0x0000000000942000-memory.dmp
memory/2060-94-0x0000000000400000-0x00000000006DE000-memory.dmp
memory/2060-97-0x0000000000400000-0x00000000006DE000-memory.dmp
memory/2060-86-0x0000000000400000-0x00000000006DE000-memory.dmp
memory/2060-103-0x0000000000400000-0x00000000006DE000-memory.dmp
memory/3272-10-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/3272-68-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/3616-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3616-67-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3616-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/4496-63-0x0000000000400000-0x00000000006DE000-memory.dmp
memory/4496-60-0x0000000000400000-0x00000000006DE000-memory.dmp
memory/4496-59-0x0000000000400000-0x00000000006DE000-memory.dmp