Analysis
- max time kernel
149s - max time network
153s - platform
windows11-21h2_x64 - resource
win11-20240419-en - resource tags
- submitted
04/06/2024, 00:07
General
- Target b354b8d2dbb501d79e77f2f285fb805ca2ac7c421642903ef1fa535208ba47a8.exe
- Size 6.1MB
- Sample240604-aetvgseh99
- SHA256 b354b8d2dbb501d79e77f2f285fb805ca2ac7c421642903ef1fa535208ba47a8
Malware Config
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\b354b8d2dbb501d79e77f2f285fb805ca2ac7c421642903ef1fa535208ba47a8.exe"C:\Users\Admin\AppData\Local\Temp\b354b8d2dbb501d79e77f2f285fb805ca2ac7c421642903ef1fa535208ba47a8.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-0V781.tmp\b354b8d2dbb501d79e77f2f285fb805ca2ac7c421642903ef1fa535208ba47a8.tmp"C:\Users\Admin\AppData\Local\Temp\is-0V781.tmp\b354b8d2dbb501d79e77f2f285fb805ca2ac7c421642903ef1fa535208ba47a8.tmp" /SL5="$40222,6180936,54272,C:\Users\Admin\AppData\Local\Temp\b354b8d2dbb501d79e77f2f285fb805ca2ac7c421642903ef1fa535208ba47a8.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Mixability\mixability32_64.exe"C:\Users\Admin\AppData\Local\Mixability\mixability32_64.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Mixability\mixability32_64.exe"C:\Users\Admin\AppData\Local\Mixability\mixability32_64.exe" -s3⤵
- Executes dropped EXE
-
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
mixability32_64.exe
b354b8d2dbb501d79e77f2f285fb805ca2ac7c421642903ef1fa535208ba47a8.tmp
_iscrypt.dll
memory/2080-99-0x0000000000400000-0x000000000089D000-memory.dmp
memory/2080-85-0x0000000000400000-0x000000000089D000-memory.dmp
memory/2080-120-0x0000000000400000-0x000000000089D000-memory.dmp
memory/2080-117-0x0000000000400000-0x000000000089D000-memory.dmp
memory/2080-113-0x0000000000BD0000-0x0000000000C72000-memory.dmp
memory/2080-112-0x0000000000BD0000-0x0000000000C72000-memory.dmp
memory/2080-68-0x0000000000400000-0x000000000089D000-memory.dmp
memory/2080-67-0x0000000000400000-0x000000000089D000-memory.dmp
memory/2080-111-0x0000000000400000-0x000000000089D000-memory.dmp
memory/2080-108-0x0000000000400000-0x000000000089D000-memory.dmp
memory/2080-71-0x0000000000400000-0x000000000089D000-memory.dmp
memory/2080-74-0x0000000000400000-0x000000000089D000-memory.dmp
memory/2080-75-0x0000000000400000-0x000000000089D000-memory.dmp
memory/2080-76-0x0000000000400000-0x000000000089D000-memory.dmp
memory/2080-105-0x0000000000400000-0x000000000089D000-memory.dmp
memory/2080-98-0x0000000000400000-0x000000000089D000-memory.dmp
memory/2080-102-0x0000000000400000-0x000000000089D000-memory.dmp
memory/2080-88-0x0000000000400000-0x000000000089D000-memory.dmp
memory/2080-89-0x0000000000BD0000-0x0000000000C72000-memory.dmp
memory/2080-95-0x0000000000400000-0x000000000089D000-memory.dmp
memory/2080-82-0x0000000000400000-0x000000000089D000-memory.dmp
memory/2080-79-0x0000000000400000-0x000000000089D000-memory.dmp
memory/2144-16-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2144-70-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/3324-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3324-69-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3324-3-0x0000000000401000-0x000000000040B000-memory.dmp
memory/4924-62-0x0000000000400000-0x000000000089D000-memory.dmp
memory/4924-59-0x0000000000400000-0x000000000089D000-memory.dmp
memory/4924-64-0x0000000000400000-0x000000000089D000-memory.dmp