Analysis
- max time kernel
146s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
23/03/2024, 09:56
General
- Target c0936b0b60581abf999cb8db58c887d6.exe
- Size 2.0MB
- Sample240323-lycabsfc59
- SHA256 b42c724af5c05849434bb0c34cabbd138201a7f6b6b56faadbc150885cfd0a2e
Malware Config
Extracted
-
socks5systemz
-
http://ezunubz.ua/search/?q=67e28dd86f5af1211209a81b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa48e8889b5e4fa9281ae978f071ea771795af8e05c642db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe10c8e89d993f
Signatures
- Detect Socks5Systemz Payload 2 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\c0936b0b60581abf999cb8db58c887d6.exe"C:\Users\Admin\AppData\Local\Temp\c0936b0b60581abf999cb8db58c887d6.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-3BKA7.tmp\c0936b0b60581abf999cb8db58c887d6.tmp"C:\Users\Admin\AppData\Local\Temp\is-3BKA7.tmp\c0936b0b60581abf999cb8db58c887d6.tmp" /SL5="$C0042,1722205,54272,C:\Users\Admin\AppData\Local\Temp\c0936b0b60581abf999cb8db58c887d6.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
c0936b0b60581abf999cb8db58c887d6.tmp
_iscrypt.dll
_isdecmp.dll
memory/116-75-0x0000000000780000-0x0000000000822000-memory.dmp
memory/116-64-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/116-104-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/116-101-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/116-97-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/116-94-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/116-91-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/116-51-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/116-53-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/116-88-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/116-85-0x0000000000780000-0x0000000000822000-memory.dmp
memory/116-56-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/116-84-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/116-60-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/116-61-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/116-81-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/116-67-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/116-70-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/116-73-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/228-7-0x0000000002200000-0x0000000002201000-memory.dmp
memory/228-57-0x0000000002200000-0x0000000002201000-memory.dmp
memory/228-55-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/1016-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1016-54-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1016-2-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2936-49-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/2936-48-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/2936-45-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/2936-44-0x0000000000400000-0x00000000005D4000-memory.dmp