Analysis
- max time kernel
141s - max time network
127s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
23/03/2024, 06:08
General
- Target 9ac0360dc962bbce1c4c8a5b45df41f113acbdcbaa2debdc051f704b955a21fd.exe
- Size 2.0MB
- Sample240323-gvx1eaec85
- SHA256 9ac0360dc962bbce1c4c8a5b45df41f113acbdcbaa2debdc051f704b955a21fd
Malware Config
Extracted
-
socks5systemz
-
http://boqjocb.com/search/?q=67e28dd86c09f220490efa1c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ae8889b5e4fa9281ae978fe71ea771795af8e05c642db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe10c7eb949f38
-
http://boqjocb.com/search/?q=67e28dd86c09f220490efa1c7c27d78406abdd88be4b12eab517aa5c96bd86e9948048815a8bbc896c58e713bc90c91f36b5281fc235a925ed3e5dd6bd974a95129070b611e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee949b3cc96e9315
Signatures
- Detect Socks5Systemz Payload 5 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\9ac0360dc962bbce1c4c8a5b45df41f113acbdcbaa2debdc051f704b955a21fd.exe"C:\Users\Admin\AppData\Local\Temp\9ac0360dc962bbce1c4c8a5b45df41f113acbdcbaa2debdc051f704b955a21fd.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-SHTI2.tmp\9ac0360dc962bbce1c4c8a5b45df41f113acbdcbaa2debdc051f704b955a21fd.tmp"C:\Users\Admin\AppData\Local\Temp\is-SHTI2.tmp\9ac0360dc962bbce1c4c8a5b45df41f113acbdcbaa2debdc051f704b955a21fd.tmp" /SL5="$60054,1705151,54272,C:\Users\Admin\AppData\Local\Temp\9ac0360dc962bbce1c4c8a5b45df41f113acbdcbaa2debdc051f704b955a21fd.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
markdownpad32.exe
_iscrypt.dll
_isdecmp.dll
9ac0360dc962bbce1c4c8a5b45df41f113acbdcbaa2debdc051f704b955a21fd.tmp
memory/1400-43-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/1400-44-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/1400-47-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/1400-48-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/1876-53-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1876-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3840-60-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/3840-93-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/3840-50-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/3840-105-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/3840-55-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/3840-102-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/3840-59-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/3840-98-0x0000000000920000-0x00000000009C2000-memory.dmp
memory/3840-63-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/3840-66-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/3840-69-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/3840-72-0x0000000000920000-0x00000000009C2000-memory.dmp
memory/3840-73-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/3840-74-0x0000000000920000-0x00000000009C2000-memory.dmp
memory/3840-80-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/3840-83-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/3840-84-0x0000000000920000-0x00000000009C2000-memory.dmp
memory/3840-87-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/3840-90-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/3840-52-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/3840-96-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/3840-97-0x0000000000920000-0x00000000009C2000-memory.dmp
memory/4860-6-0x0000000002340000-0x0000000002341000-memory.dmp
memory/4860-56-0x0000000002340000-0x0000000002341000-memory.dmp
memory/4860-54-0x0000000000400000-0x00000000004B8000-memory.dmp