Analysis
- max time kernel
292s - max time network
298s - platform
windows10-1703_x64 - resource
win10-20240404-en - resource tags
- submitted
30/05/2024, 22:44
General
- Target 34c4ca578767f7d200e234c01c3c6d77c3bca86982867122866fce3400335642.exe
- Size 4.8MB
- Sample240530-2n8tjsde39
- SHA256 34c4ca578767f7d200e234c01c3c6d77c3bca86982867122866fce3400335642
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\34c4ca578767f7d200e234c01c3c6d77c3bca86982867122866fce3400335642.exe"C:\Users\Admin\AppData\Local\Temp\34c4ca578767f7d200e234c01c3c6d77c3bca86982867122866fce3400335642.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-M38S1.tmp\34c4ca578767f7d200e234c01c3c6d77c3bca86982867122866fce3400335642.tmp"C:\Users\Admin\AppData\Local\Temp\is-M38S1.tmp\34c4ca578767f7d200e234c01c3c6d77c3bca86982867122866fce3400335642.tmp" /SL5="$50236,4804141,54272,C:\Users\Admin\AppData\Local\Temp\34c4ca578767f7d200e234c01c3c6d77c3bca86982867122866fce3400335642.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Stereo Tool\stereotool32.exe"C:\Users\Admin\AppData\Local\Stereo Tool\stereotool32.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Stereo Tool\stereotool32.exe"C:\Users\Admin\AppData\Local\Stereo Tool\stereotool32.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
stereotool32.exe
34c4ca578767f7d200e234c01c3c6d77c3bca86982867122866fce3400335642.tmp
_iscrypt.dll
memory/2552-59-0x0000000000400000-0x00000000006FF000-memory.dmp
memory/2552-63-0x0000000000400000-0x00000000006FF000-memory.dmp
memory/2552-60-0x0000000000400000-0x00000000006FF000-memory.dmp
memory/5036-81-0x0000000000400000-0x00000000006FF000-memory.dmp
memory/5036-91-0x0000000000400000-0x00000000006FF000-memory.dmp
memory/5036-128-0x0000000000400000-0x00000000006FF000-memory.dmp
memory/5036-65-0x0000000000400000-0x00000000006FF000-memory.dmp
memory/5036-125-0x0000000000400000-0x00000000006FF000-memory.dmp
memory/5036-122-0x0000000000400000-0x00000000006FF000-memory.dmp
memory/5036-69-0x0000000000400000-0x00000000006FF000-memory.dmp
memory/5036-72-0x0000000000400000-0x00000000006FF000-memory.dmp
memory/5036-75-0x0000000000400000-0x00000000006FF000-memory.dmp
memory/5036-78-0x0000000000400000-0x00000000006FF000-memory.dmp
memory/5036-118-0x0000000000400000-0x00000000006FF000-memory.dmp
memory/5036-84-0x0000000000950000-0x00000000009F2000-memory.dmp
memory/5036-86-0x0000000000400000-0x00000000006FF000-memory.dmp
memory/5036-115-0x0000000000400000-0x00000000006FF000-memory.dmp
memory/5036-94-0x0000000000400000-0x00000000006FF000-memory.dmp
memory/5036-97-0x0000000000400000-0x00000000006FF000-memory.dmp
memory/5036-100-0x0000000000400000-0x00000000006FF000-memory.dmp
memory/5036-103-0x0000000000400000-0x00000000006FF000-memory.dmp
memory/5036-106-0x0000000000400000-0x00000000006FF000-memory.dmp
memory/5036-109-0x0000000000400000-0x00000000006FF000-memory.dmp
memory/5036-112-0x0000000000400000-0x00000000006FF000-memory.dmp
memory/5056-16-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/5056-68-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/5064-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/5064-67-0x0000000000400000-0x0000000000414000-memory.dmp
memory/5064-3-0x0000000000401000-0x000000000040B000-memory.dmp