Analysis
- max time kernel
147s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
23/03/2024, 06:26
General
- Target 60551dd3563a993ffc4a7de436a250d5.exe
- Size 2.0MB
- Sample240323-g67c8aha3s
- SHA256 9ac0360dc962bbce1c4c8a5b45df41f113acbdcbaa2debdc051f704b955a21fd
Malware Config
Extracted
-
socks5systemz
-
http://ejocjmz.ua/search/?q=67e28dd8685ff32d4309f94d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978f771ea771795af8e05c642db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe10c7ea979938
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\60551dd3563a993ffc4a7de436a250d5.exe"C:\Users\Admin\AppData\Local\Temp\60551dd3563a993ffc4a7de436a250d5.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-H4AAL.tmp\60551dd3563a993ffc4a7de436a250d5.tmp"C:\Users\Admin\AppData\Local\Temp\is-H4AAL.tmp\60551dd3563a993ffc4a7de436a250d5.tmp" /SL5="$9021C,1705151,54272,C:\Users\Admin\AppData\Local\Temp\60551dd3563a993ffc4a7de436a250d5.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
60551dd3563a993ffc4a7de436a250d5.tmp
memory/568-83-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/568-80-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/568-103-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/568-100-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/568-96-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/568-93-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/568-52-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/568-90-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/568-87-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/568-55-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/568-84-0x0000000000830000-0x00000000008D2000-memory.dmp
memory/568-59-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/568-60-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/568-63-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/568-66-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/568-69-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/568-73-0x0000000000830000-0x00000000008D2000-memory.dmp
memory/568-72-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/568-75-0x0000000000830000-0x00000000008D2000-memory.dmp
memory/1680-49-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/1680-48-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/1680-45-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/1680-44-0x0000000000400000-0x00000000005E6000-memory.dmp
memory/2724-7-0x0000000000760000-0x0000000000761000-memory.dmp
memory/2724-56-0x0000000000760000-0x0000000000761000-memory.dmp
memory/2724-54-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/3088-1-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3088-53-0x0000000000400000-0x0000000000414000-memory.dmp