Analysis
- max time kernel
142s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - submitted
01/06/2024, 16:51
General
- Target 5c55c1f09f2a059c4becf458ec9e89da.exe
- Size 6.6MB
- Sample240601-vcs6dsha3v
- SHA256 4f93c1a75610c100c28b6fce293d060fa72cd240f76981ed54cab97e7d2c1ade
Malware Config
Extracted
-
socks5systemz
-
bolzyha.com
-
http://bolzyha.com/search/?q=67e28dd86d0ca420440ef91f7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa49e8889b5e4fa9281ae978f671ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff813c6ef92993b
-
http://bolzyha.com/search/?q=67e28dd86d0ca420440ef91f7c27d78406abdd88be4b12eab517aa5c96bd86ef9c8144845a8bbc896c58e713bc90c91c36b5281fc235a925ed3e55d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee92983dcd689516
Signatures
- Detect Socks5Systemz Payload 3 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Socks5systemz family
- 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).
- System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\5c55c1f09f2a059c4becf458ec9e89da.exe"C:\Users\Admin\AppData\Local\Temp\5c55c1f09f2a059c4becf458ec9e89da.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-VN0GC.tmp\5c55c1f09f2a059c4becf458ec9e89da.tmp"C:\Users\Admin\AppData\Local\Temp\is-VN0GC.tmp\5c55c1f09f2a059c4becf458ec9e89da.tmp" /SL5="$801E6,6640474,54272,C:\Users\Admin\AppData\Local\Temp\5c55c1f09f2a059c4becf458ec9e89da.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- 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
- System Location Discovery: System Language Discovery
-
-
C:\Users\Admin\AppData\Local\Berry Player\berryplayer32.exe"C:\Users\Admin\AppData\Local\Berry Player\berryplayer32.exe" -s3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
berryplayer32.exe
5c55c1f09f2a059c4becf458ec9e89da.tmp
_iscrypt.dll
memory/1792-70-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/1792-16-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2104-94-0x0000000000400000-0x0000000000937000-memory.dmp
memory/2104-103-0x0000000000400000-0x0000000000937000-memory.dmp
memory/2104-118-0x0000000000400000-0x0000000000937000-memory.dmp
memory/2104-115-0x0000000000400000-0x0000000000937000-memory.dmp
memory/2104-111-0x0000000000BC0000-0x0000000000C62000-memory.dmp
memory/2104-68-0x0000000000400000-0x0000000000937000-memory.dmp
memory/2104-110-0x0000000000BC0000-0x0000000000C62000-memory.dmp
memory/2104-109-0x0000000000400000-0x0000000000937000-memory.dmp
memory/2104-71-0x0000000000400000-0x0000000000937000-memory.dmp
memory/2104-74-0x0000000000400000-0x0000000000937000-memory.dmp
memory/2104-75-0x0000000000400000-0x0000000000937000-memory.dmp
memory/2104-78-0x0000000000400000-0x0000000000937000-memory.dmp
memory/2104-81-0x0000000000400000-0x0000000000937000-memory.dmp
memory/2104-84-0x0000000000400000-0x0000000000937000-memory.dmp
memory/2104-87-0x0000000000BC0000-0x0000000000C62000-memory.dmp
memory/2104-89-0x0000000000400000-0x0000000000937000-memory.dmp
memory/2104-106-0x0000000000400000-0x0000000000937000-memory.dmp
memory/2104-97-0x0000000000400000-0x0000000000937000-memory.dmp
memory/2104-100-0x0000000000400000-0x0000000000937000-memory.dmp
memory/2952-59-0x0000000000400000-0x0000000000937000-memory.dmp
memory/2952-65-0x0000000000400000-0x0000000000937000-memory.dmp
memory/2952-63-0x0000000000400000-0x0000000000937000-memory.dmp
memory/2952-60-0x0000000000400000-0x0000000000937000-memory.dmp
memory/3448-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3448-3-0x0000000000401000-0x000000000040B000-memory.dmp
memory/3448-69-0x0000000000400000-0x0000000000414000-memory.dmp