Analysis
- max time kernel
143s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
11/01/2024, 07:51
General
- Target 6bf91b07dee48c48359b2f92f72b3e5a.exe
- Size 4.6MB
- Sample240111-jptrxacgd9
- SHA256 211560aabd0a46ef0dde5f5a94bfefa3d1cad47ae133f526844d19dc623aad20
Malware Config
Signatures
- Detect Socks5Systemz Payload 5 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).
- Runs net.exe
- Suspicious use of WriteProcessMemory 15 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\6bf91b07dee48c48359b2f92f72b3e5a.exe"C:\Users\Admin\AppData\Local\Temp\6bf91b07dee48c48359b2f92f72b3e5a.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-QATP8.tmp\is-3DTJE.tmp"C:\Users\Admin\AppData\Local\Temp\is-QATP8.tmp\is-3DTJE.tmp" /SL4 $40218 "C:\Users\Admin\AppData\Local\Temp\6bf91b07dee48c48359b2f92f72b3e5a.exe" 4639005 4316162⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\IMAP test plugin\imaptestplugin.exe"C:\Users\Admin\AppData\Local\IMAP test plugin\imaptestplugin.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\IMAP test plugin\imaptestplugin.exe"C:\Users\Admin\AppData\Local\IMAP test plugin\imaptestplugin.exe" -s3⤵
- Executes dropped EXE
-
-
C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 11113⤵
- Suspicious use of WriteProcessMemory
-
-
-
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 11111⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
imaptestplugin.exe
imaptestplugin.exe
_iscrypt.dll
is-3DTJE.tmp
memory/1560-2-0x0000000000400000-0x0000000000470000-memory.dmp
memory/1560-0-0x0000000000400000-0x0000000000470000-memory.dmp
memory/1560-124-0x0000000000400000-0x0000000000470000-memory.dmp
memory/3024-150-0x0000000000400000-0x0000000000608000-memory.dmp
memory/3024-140-0x0000000000400000-0x0000000000608000-memory.dmp
memory/3024-123-0x0000000000400000-0x0000000000608000-memory.dmp
memory/3024-175-0x0000000000400000-0x0000000000608000-memory.dmp
memory/3024-172-0x0000000000400000-0x0000000000608000-memory.dmp
memory/3024-167-0x0000000000770000-0x0000000000812000-memory.dmp
memory/3024-122-0x0000000000400000-0x0000000000608000-memory.dmp
memory/3024-126-0x0000000000400000-0x0000000000608000-memory.dmp
memory/3024-168-0x0000000000770000-0x0000000000812000-memory.dmp
memory/3024-130-0x0000000000400000-0x0000000000608000-memory.dmp
memory/3024-131-0x0000000000400000-0x0000000000608000-memory.dmp
memory/3024-134-0x0000000000400000-0x0000000000608000-memory.dmp
memory/3024-137-0x0000000000400000-0x0000000000608000-memory.dmp
memory/3024-166-0x0000000000400000-0x0000000000608000-memory.dmp
memory/3024-142-0x0000000000770000-0x0000000000812000-memory.dmp
memory/3024-146-0x0000000000400000-0x0000000000608000-memory.dmp
memory/3024-147-0x0000000000770000-0x0000000000812000-memory.dmp
memory/3024-163-0x0000000000400000-0x0000000000608000-memory.dmp
memory/3024-153-0x0000000000400000-0x0000000000608000-memory.dmp
memory/3024-154-0x0000000000770000-0x0000000000812000-memory.dmp
memory/3024-157-0x0000000000400000-0x0000000000608000-memory.dmp
memory/3024-160-0x0000000000400000-0x0000000000608000-memory.dmp
memory/3304-8-0x0000000002250000-0x0000000002251000-memory.dmp
memory/3304-127-0x0000000002250000-0x0000000002251000-memory.dmp
memory/3304-125-0x0000000000400000-0x00000000004CF000-memory.dmp
memory/4444-119-0x0000000000400000-0x0000000000608000-memory.dmp
memory/4444-114-0x0000000000400000-0x0000000000608000-memory.dmp
memory/4444-115-0x0000000000400000-0x0000000000608000-memory.dmp