Analysis
- max time kernel
147s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20240221-en - resource tags
- submitted
24/03/2024, 14:03
General
- Target 2a6cd21b2bbf355c03fc8ddb33ba0c95a3a0f08b70d237c87038493e02bb2dc6.exe
- Size 2.0MB
- Sample240324-rc7f8sdb33
- SHA256 2a6cd21b2bbf355c03fc8ddb33ba0c95a3a0f08b70d237c87038493e02bb2dc6
Malware Config
Extracted
-
socks5systemz
-
http://dieepso.info/search/?q=67e28dd8645af52e420aad1d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978a371ea771795af8e05c642db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ffe13c8e6949a3a
-
http://dieepso.info/search/?q=67e28dd8645af52e420aad1d7c27d78406abdd88be4b12eab517aa5c96bd86ef95824a815a8bbc896c58e713bc90c91b36b5281fc235a925ed3e00d6bd974a95129070b611e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee949833c46e9617
Signatures
- Detect Socks5Systemz Payload 5 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 1 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
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C:\Users\Admin\AppData\Local\Temp\2a6cd21b2bbf355c03fc8ddb33ba0c95a3a0f08b70d237c87038493e02bb2dc6.exe"C:\Users\Admin\AppData\Local\Temp\2a6cd21b2bbf355c03fc8ddb33ba0c95a3a0f08b70d237c87038493e02bb2dc6.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-6FJP3.tmp\2a6cd21b2bbf355c03fc8ddb33ba0c95a3a0f08b70d237c87038493e02bb2dc6.tmp"C:\Users\Admin\AppData\Local\Temp\is-6FJP3.tmp\2a6cd21b2bbf355c03fc8ddb33ba0c95a3a0f08b70d237c87038493e02bb2dc6.tmp" /SL5="$60140,1777471,54272,C:\Users\Admin\AppData\Local\Temp\2a6cd21b2bbf355c03fc8ddb33ba0c95a3a0f08b70d237c87038493e02bb2dc6.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe"C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe"C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
sitefreeedition.exe
2a6cd21b2bbf355c03fc8ddb33ba0c95a3a0f08b70d237c87038493e02bb2dc6.tmp
_iscrypt.dll
memory/1876-6-0x00000000007A0000-0x00000000007A1000-memory.dmp
memory/1876-50-0x00000000007A0000-0x00000000007A1000-memory.dmp
memory/1876-48-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/2088-47-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2088-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3084-57-0x0000000000400000-0x0000000000601000-memory.dmp
memory/3084-69-0x00000000009D0000-0x0000000000A72000-memory.dmp
memory/3084-44-0x0000000000400000-0x0000000000601000-memory.dmp
memory/3084-99-0x0000000000400000-0x0000000000601000-memory.dmp
memory/3084-49-0x0000000000400000-0x0000000000601000-memory.dmp
memory/3084-96-0x0000000000400000-0x0000000000601000-memory.dmp
memory/3084-51-0x0000000000400000-0x0000000000601000-memory.dmp
memory/3084-54-0x0000000000400000-0x0000000000601000-memory.dmp
memory/3084-92-0x00000000009D0000-0x0000000000A72000-memory.dmp
memory/3084-60-0x0000000000400000-0x0000000000601000-memory.dmp
memory/3084-63-0x0000000000400000-0x0000000000601000-memory.dmp
memory/3084-64-0x00000000009D0000-0x0000000000A72000-memory.dmp
memory/3084-68-0x0000000000400000-0x0000000000601000-memory.dmp
memory/3084-46-0x0000000000400000-0x0000000000601000-memory.dmp
memory/3084-74-0x0000000000400000-0x0000000000601000-memory.dmp
memory/3084-77-0x0000000000400000-0x0000000000601000-memory.dmp
memory/3084-78-0x00000000009D0000-0x0000000000A72000-memory.dmp
memory/3084-81-0x0000000000400000-0x0000000000601000-memory.dmp
memory/3084-84-0x0000000000400000-0x0000000000601000-memory.dmp
memory/3084-87-0x0000000000400000-0x0000000000601000-memory.dmp
memory/3084-90-0x0000000000400000-0x0000000000601000-memory.dmp
memory/3084-91-0x00000000009D0000-0x0000000000A72000-memory.dmp
memory/4976-37-0x0000000000400000-0x0000000000601000-memory.dmp
memory/4976-38-0x0000000000400000-0x0000000000601000-memory.dmp
memory/4976-42-0x0000000000400000-0x0000000000601000-memory.dmp