Analysis
- max time kernel
148s - max time network
158s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
02/06/2024, 01:31
General
- Target ff36b05b255367252b40067094c23b3d7388f0efb0916fb7fe432226d195b9d6.exe
- Size 6.5MB
- Sample240602-bxrcraec8t
- SHA256 ff36b05b255367252b40067094c23b3d7388f0efb0916fb7fe432226d195b9d6
Malware Config
Signatures
- Detect Socks5Systemz Payload 1 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Detects executables packed with VMProtect. 18 IoCs
- 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\ff36b05b255367252b40067094c23b3d7388f0efb0916fb7fe432226d195b9d6.exe"C:\Users\Admin\AppData\Local\Temp\ff36b05b255367252b40067094c23b3d7388f0efb0916fb7fe432226d195b9d6.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-BKO2E.tmp\ff36b05b255367252b40067094c23b3d7388f0efb0916fb7fe432226d195b9d6.tmp"C:\Users\Admin\AppData\Local\Temp\is-BKO2E.tmp\ff36b05b255367252b40067094c23b3d7388f0efb0916fb7fe432226d195b9d6.tmp" /SL5="$601E6,6524690,54272,C:\Users\Admin\AppData\Local\Temp\ff36b05b255367252b40067094c23b3d7388f0efb0916fb7fe432226d195b9d6.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Berry Player\berryplayer32.exe"C:\Users\Admin\AppData\Local\Berry Player\berryplayer32.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Berry Player\berryplayer32.exe"C:\Users\Admin\AppData\Local\Berry Player\berryplayer32.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
berryplayer32.exe
_iscrypt.dll
ff36b05b255367252b40067094c23b3d7388f0efb0916fb7fe432226d195b9d6.tmp
memory/1776-68-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1776-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/1776-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4376-12-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4376-69-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4904-93-0x0000000000400000-0x000000000091F000-memory.dmp
memory/4904-86-0x0000000000400000-0x000000000091F000-memory.dmp
memory/4904-66-0x0000000000400000-0x000000000091F000-memory.dmp
memory/4904-115-0x0000000000400000-0x000000000091F000-memory.dmp
memory/4904-112-0x0000000000400000-0x000000000091F000-memory.dmp
memory/4904-70-0x0000000000400000-0x000000000091F000-memory.dmp
memory/4904-73-0x0000000000400000-0x000000000091F000-memory.dmp
memory/4904-74-0x0000000000400000-0x000000000091F000-memory.dmp
memory/4904-77-0x0000000000400000-0x000000000091F000-memory.dmp
memory/4904-80-0x0000000000400000-0x000000000091F000-memory.dmp
memory/4904-83-0x0000000000400000-0x000000000091F000-memory.dmp
memory/4904-108-0x0000000000400000-0x000000000091F000-memory.dmp
memory/4904-87-0x0000000000C50000-0x0000000000CF2000-memory.dmp
memory/4904-105-0x0000000000400000-0x000000000091F000-memory.dmp
memory/4904-96-0x0000000000400000-0x000000000091F000-memory.dmp
memory/4904-99-0x0000000000400000-0x000000000091F000-memory.dmp
memory/4904-102-0x0000000000400000-0x000000000091F000-memory.dmp
memory/5020-59-0x0000000000400000-0x000000000091F000-memory.dmp
memory/5020-64-0x0000000000400000-0x000000000091F000-memory.dmp
memory/5020-60-0x0000000000400000-0x000000000091F000-memory.dmp
memory/5020-63-0x0000000000400000-0x000000000091F000-memory.dmp