Analysis
- max time kernel
143s - max time network
130s - platform
windows7_x64 - resource
win7-20240221-en - resource tags
- submitted
30/05/2024, 00:28
General
- Target 92c565528d4c30288ceb3b72517ba32c55d96cf4040cbe4e808fa48a7b8fa9b7.exe
- Size 4.7MB
- Sample240530-asf6jsff2w
- SHA256 92c565528d4c30288ceb3b72517ba32c55d96cf4040cbe4e808fa48a7b8fa9b7
Malware Config
Signatures
- Detect Socks5Systemz Payload 3 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Detects executables packed with VMProtect. 16 IoCs
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 5 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 15 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\92c565528d4c30288ceb3b72517ba32c55d96cf4040cbe4e808fa48a7b8fa9b7.exe"C:\Users\Admin\AppData\Local\Temp\92c565528d4c30288ceb3b72517ba32c55d96cf4040cbe4e808fa48a7b8fa9b7.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-RK63C.tmp\92c565528d4c30288ceb3b72517ba32c55d96cf4040cbe4e808fa48a7b8fa9b7.tmp"C:\Users\Admin\AppData\Local\Temp\is-RK63C.tmp\92c565528d4c30288ceb3b72517ba32c55d96cf4040cbe4e808fa48a7b8fa9b7.tmp" /SL5="$3013A,4671227,54272,C:\Users\Admin\AppData\Local\Temp\92c565528d4c30288ceb3b72517ba32c55d96cf4040cbe4e808fa48a7b8fa9b7.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Stereo Tool\stereotool.exe"C:\Users\Admin\AppData\Local\Stereo Tool\stereotool.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Stereo Tool\stereotool.exe"C:\Users\Admin\AppData\Local\Stereo Tool\stereotool.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
92c565528d4c30288ceb3b72517ba32c55d96cf4040cbe4e808fa48a7b8fa9b7.tmp
stereotool.exe
_iscrypt.dll
_shfoldr.dll
memory/2452-115-0x00000000025C0000-0x0000000002662000-memory.dmp
memory/2452-92-0x0000000000400000-0x00000000006E1000-memory.dmp
memory/2452-123-0x0000000000400000-0x00000000006E1000-memory.dmp
memory/2452-105-0x0000000000400000-0x00000000006E1000-memory.dmp
memory/2452-116-0x00000000025C0000-0x0000000002662000-memory.dmp
memory/2452-102-0x0000000000400000-0x00000000006E1000-memory.dmp
memory/2452-99-0x0000000000400000-0x00000000006E1000-memory.dmp
memory/2452-72-0x0000000000400000-0x00000000006E1000-memory.dmp
memory/2452-108-0x0000000000400000-0x00000000006E1000-memory.dmp
memory/2452-114-0x0000000000400000-0x00000000006E1000-memory.dmp
memory/2452-76-0x0000000000400000-0x00000000006E1000-memory.dmp
memory/2452-79-0x0000000000400000-0x00000000006E1000-memory.dmp
memory/2452-111-0x0000000000400000-0x00000000006E1000-memory.dmp
memory/2452-83-0x0000000000400000-0x00000000006E1000-memory.dmp
memory/2452-86-0x0000000000400000-0x00000000006E1000-memory.dmp
memory/2452-89-0x0000000000400000-0x00000000006E1000-memory.dmp
memory/2452-120-0x0000000000400000-0x00000000006E1000-memory.dmp
memory/2452-93-0x00000000025C0000-0x0000000002662000-memory.dmp
memory/2744-70-0x0000000000400000-0x00000000006E1000-memory.dmp
memory/2744-66-0x0000000000400000-0x00000000006E1000-memory.dmp
memory/2744-65-0x0000000000400000-0x00000000006E1000-memory.dmp
memory/2848-64-0x00000000033F0000-0x00000000036D1000-memory.dmp
memory/2848-80-0x00000000033F0000-0x00000000036D1000-memory.dmp
memory/2848-75-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2848-19-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2884-74-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2884-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2884-2-0x0000000000401000-0x000000000040B000-memory.dmp