Analysis
- max time kernel
147s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
23/03/2024, 05:56
General
- Target 06d93c17bc39931ba564b8ff319b56e6.exe
- Size 2.0MB
- Sample240323-gm1rbsec27
- SHA256 c23242b32c4bc6e3ed2fa667c90c953ea830e4078772b8782ece98781748a260
Malware Config
Extracted
-
socks5systemz
-
http://dlsuekw.info/search/?q=67e28dd86a5cf47e155fff1a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978ff71ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe10c7ec919833
Signatures
- Detect Socks5Systemz Payload 3 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 WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\06d93c17bc39931ba564b8ff319b56e6.exe"C:\Users\Admin\AppData\Local\Temp\06d93c17bc39931ba564b8ff319b56e6.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-P9OLN.tmp\06d93c17bc39931ba564b8ff319b56e6.tmp"C:\Users\Admin\AppData\Local\Temp\is-P9OLN.tmp\06d93c17bc39931ba564b8ff319b56e6.tmp" /SL5="$60206,1685356,54272,C:\Users\Admin\AppData\Local\Temp\06d93c17bc39931ba564b8ff319b56e6.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\MarkDownPad\markdownpad32.exe"C:\Users\Admin\AppData\Local\MarkDownPad\markdownpad32.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\MarkDownPad\markdownpad32.exe"C:\Users\Admin\AppData\Local\MarkDownPad\markdownpad32.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
markdownpad32.exe
_iscrypt.dll
_isdecmp.dll
06d93c17bc39931ba564b8ff319b56e6.tmp
memory/1084-80-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/1084-84-0x00000000007F0000-0x0000000000892000-memory.dmp
memory/1084-103-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/1084-100-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/1084-96-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/1084-93-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/1084-90-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/1084-52-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/1084-87-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/1084-83-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/1084-55-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/1084-74-0x00000000007F0000-0x0000000000892000-memory.dmp
memory/1084-59-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/1084-60-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/1084-63-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/1084-66-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/1084-69-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/1084-72-0x00000000007F0000-0x0000000000892000-memory.dmp
memory/1084-73-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/4840-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4840-53-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4840-2-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4932-46-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/4932-49-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/4932-45-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/4932-44-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/4952-56-0x0000000002200000-0x0000000002201000-memory.dmp
memory/4952-54-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/4952-7-0x0000000002200000-0x0000000002201000-memory.dmp