Analysis
- max time kernel
151s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
22/01/2024, 15:49
General
- Target 81a7005c156238470c7b5dee478c5ad4.exe
- Size 4.0MB
- Sample240122-s9bw9sacdl
- SHA256 516b52b27add09e4dec3575274893768a568a6ae6384e886faf705fc7ee3e8d0
Malware Config
Signatures
- Detect Socks5Systemz Payload 3 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 3 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.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\81a7005c156238470c7b5dee478c5ad4.exe"C:\Users\Admin\AppData\Local\Temp\81a7005c156238470c7b5dee478c5ad4.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-4ACHH.tmp\81a7005c156238470c7b5dee478c5ad4.tmp"C:\Users\Admin\AppData\Local\Temp\is-4ACHH.tmp\81a7005c156238470c7b5dee478c5ad4.tmp" /SL5="$70216,3945952,319488,C:\Users\Admin\AppData\Local\Temp\81a7005c156238470c7b5dee478c5ad4.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\XApp Market Module\xappmarketmodule.exe"C:\Users\Admin\AppData\Local\XApp Market Module\xappmarketmodule.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\XApp Market Module\xappmarketmodule.exe"C:\Users\Admin\AppData\Local\XApp Market Module\xappmarketmodule.exe" -s3⤵
- Executes dropped EXE
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-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
81a7005c156238470c7b5dee478c5ad4.tmp
_iscrypt.dll
_isdecmp.dll
xappmarketmodule.exe
memory/3808-176-0x0000000000A70000-0x0000000000B12000-memory.dmp
memory/3808-183-0x0000000000400000-0x0000000000777000-memory.dmp
memory/3808-202-0x0000000000400000-0x0000000000777000-memory.dmp
memory/3808-199-0x0000000000400000-0x0000000000777000-memory.dmp
memory/3808-196-0x0000000000400000-0x0000000000777000-memory.dmp
memory/3808-193-0x0000000000400000-0x0000000000777000-memory.dmp
memory/3808-189-0x0000000000400000-0x0000000000777000-memory.dmp
memory/3808-187-0x0000000000A70000-0x0000000000B12000-memory.dmp
memory/3808-154-0x0000000000400000-0x0000000000777000-memory.dmp
memory/3808-185-0x0000000000400000-0x0000000000777000-memory.dmp
memory/3808-158-0x0000000000400000-0x0000000000777000-memory.dmp
memory/3808-162-0x0000000000400000-0x0000000000777000-memory.dmp
memory/3808-163-0x0000000000400000-0x0000000000777000-memory.dmp
memory/3808-166-0x0000000000400000-0x0000000000777000-memory.dmp
memory/3808-169-0x0000000000400000-0x0000000000777000-memory.dmp
memory/3808-171-0x0000000000400000-0x0000000000777000-memory.dmp
memory/3808-174-0x0000000000400000-0x0000000000777000-memory.dmp
memory/3808-177-0x0000000000A70000-0x0000000000B12000-memory.dmp
memory/4060-1-0x0000000000400000-0x0000000000455000-memory.dmp
memory/4060-23-0x0000000000400000-0x0000000000455000-memory.dmp
memory/4576-156-0x0000000002340000-0x0000000002341000-memory.dmp
memory/4576-146-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/4576-7-0x0000000002340000-0x0000000002341000-memory.dmp
memory/5076-151-0x0000000000400000-0x0000000000777000-memory.dmp
memory/5076-149-0x0000000000400000-0x0000000000777000-memory.dmp
memory/5076-148-0x0000000000400000-0x0000000000777000-memory.dmp
memory/5076-147-0x0000000000400000-0x0000000000777000-memory.dmp