Analysis
- max time kernel
149s - max time network
152s - platform
windows11-21h2_x64 - resource
win11-20240426-en - resource tags
- submitted
31/05/2024, 01:53
General
- Target dba7daaa020f8e374a9fcc5be935efa76b2ca05b337ea3c6ebe36cec3fd890db.exe
- Size 5.5MB
- Sample240531-cbfvkaca75
- SHA256 dba7daaa020f8e374a9fcc5be935efa76b2ca05b337ea3c6ebe36cec3fd890db
Malware Config
Signatures
- Detect Socks5Systemz Payload 1 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.
- 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\dba7daaa020f8e374a9fcc5be935efa76b2ca05b337ea3c6ebe36cec3fd890db.exe"C:\Users\Admin\AppData\Local\Temp\dba7daaa020f8e374a9fcc5be935efa76b2ca05b337ea3c6ebe36cec3fd890db.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-2F701.tmp\dba7daaa020f8e374a9fcc5be935efa76b2ca05b337ea3c6ebe36cec3fd890db.tmp"C:\Users\Admin\AppData\Local\Temp\is-2F701.tmp\dba7daaa020f8e374a9fcc5be935efa76b2ca05b337ea3c6ebe36cec3fd890db.tmp" /SL5="$40224,5539570,54272,C:\Users\Admin\AppData\Local\Temp\dba7daaa020f8e374a9fcc5be935efa76b2ca05b337ea3c6ebe36cec3fd890db.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe"C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe"C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
5kplayer32.exe
dba7daaa020f8e374a9fcc5be935efa76b2ca05b337ea3c6ebe36cec3fd890db.tmp
_iscrypt.dll
_isdecmp.dll
memory/1576-65-0x0000000000400000-0x0000000000745000-memory.dmp
memory/1576-66-0x0000000000400000-0x0000000000745000-memory.dmp
memory/1576-69-0x0000000000400000-0x0000000000745000-memory.dmp
memory/1576-71-0x0000000000400000-0x0000000000745000-memory.dmp
memory/2028-76-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2028-3-0x0000000000401000-0x000000000040B000-memory.dmp
memory/2028-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2560-77-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2560-10-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4804-91-0x0000000000400000-0x0000000000745000-memory.dmp
memory/4804-101-0x0000000000400000-0x0000000000745000-memory.dmp
memory/4804-78-0x0000000000400000-0x0000000000745000-memory.dmp
memory/4804-81-0x0000000000400000-0x0000000000745000-memory.dmp
memory/4804-82-0x0000000000400000-0x0000000000745000-memory.dmp
memory/4804-85-0x0000000000400000-0x0000000000745000-memory.dmp
memory/4804-88-0x0000000000400000-0x0000000000745000-memory.dmp
memory/4804-75-0x0000000000400000-0x0000000000745000-memory.dmp
memory/4804-73-0x0000000000400000-0x0000000000745000-memory.dmp
memory/4804-94-0x0000000000A40000-0x0000000000AE2000-memory.dmp
memory/4804-96-0x0000000000400000-0x0000000000745000-memory.dmp
memory/4804-104-0x0000000000400000-0x0000000000745000-memory.dmp
memory/4804-107-0x0000000000400000-0x0000000000745000-memory.dmp
memory/4804-110-0x0000000000400000-0x0000000000745000-memory.dmp
memory/4804-113-0x0000000000400000-0x0000000000745000-memory.dmp
memory/4804-116-0x0000000000400000-0x0000000000745000-memory.dmp
memory/4804-119-0x0000000000400000-0x0000000000745000-memory.dmp
memory/4804-122-0x0000000000400000-0x0000000000745000-memory.dmp