Analysis
- max time kernel
143s - max time network
130s - platform
windows7_x64 - resource
win7-20240508-en - resource tags
- submitted
11/05/2024, 07:56
General
- Target 34edd1fe1cd1ecf2c674941244f1c8ff.exe
- Size 4.1MB
- Sample240511-jspmcsfa5t
- SHA256 5ee48d2691192b4e7a0b8a571a64e463501abf0fed4aa56fafa73f276b18197d
Malware Config
Extracted
-
socks5systemz
-
http://aalifzi.ru/search/?q=67e28dd83859fa2b145ba44a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978a771ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a628afe15c2ea92
Signatures
- Detect Socks5Systemz Payload 1 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 5 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.
- Suspicious use of WriteProcessMemory 15 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\34edd1fe1cd1ecf2c674941244f1c8ff.exe"C:\Users\Admin\AppData\Local\Temp\34edd1fe1cd1ecf2c674941244f1c8ff.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-RQC3P.tmp\34edd1fe1cd1ecf2c674941244f1c8ff.tmp"C:\Users\Admin\AppData\Local\Temp\is-RQC3P.tmp\34edd1fe1cd1ecf2c674941244f1c8ff.tmp" /SL5="$4010A,4061918,54272,C:\Users\Admin\AppData\Local\Temp\34edd1fe1cd1ecf2c674941244f1c8ff.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Mixer Free Edition\mixerfreeedition.exe"C:\Users\Admin\AppData\Local\Mixer Free Edition\mixerfreeedition.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Mixer Free Edition\mixerfreeedition.exe"C:\Users\Admin\AppData\Local\Mixer Free Edition\mixerfreeedition.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
libeay32.dll
mixerfreeedition.exe
_iscrypt.dll
_shfoldr.dll
34edd1fe1cd1ecf2c674941244f1c8ff.tmp
memory/2056-78-0x0000000003A00000-0x0000000003BC3000-memory.dmp
memory/2056-16-0x0000000000400000-0x00000000004BE000-memory.dmp
memory/2056-63-0x0000000003A00000-0x0000000003BC3000-memory.dmp
memory/2056-76-0x0000000000400000-0x00000000004BE000-memory.dmp
memory/2576-100-0x0000000000400000-0x00000000005C3000-memory.dmp
memory/2576-103-0x0000000000400000-0x00000000005C3000-memory.dmp
memory/2576-122-0x0000000000400000-0x00000000005C3000-memory.dmp
memory/2576-119-0x0000000000400000-0x00000000005C3000-memory.dmp
memory/2576-73-0x0000000000400000-0x00000000005C3000-memory.dmp
memory/2576-115-0x0000000000400000-0x00000000005C3000-memory.dmp
memory/2576-112-0x0000000000400000-0x00000000005C3000-memory.dmp
memory/2576-77-0x0000000000400000-0x00000000005C3000-memory.dmp
memory/2576-109-0x0000000000400000-0x00000000005C3000-memory.dmp
memory/2576-81-0x0000000000400000-0x00000000005C3000-memory.dmp
memory/2576-84-0x0000000000400000-0x00000000005C3000-memory.dmp
memory/2576-87-0x0000000000400000-0x00000000005C3000-memory.dmp
memory/2576-90-0x0000000000400000-0x00000000005C3000-memory.dmp
memory/2576-93-0x0000000000400000-0x00000000005C3000-memory.dmp
memory/2576-94-0x0000000002910000-0x00000000029B2000-memory.dmp
memory/2576-106-0x0000000000400000-0x00000000005C3000-memory.dmp
memory/2780-66-0x0000000000400000-0x00000000005C3000-memory.dmp
memory/2780-65-0x0000000000400000-0x00000000005C3000-memory.dmp
memory/2780-70-0x0000000000400000-0x00000000005C3000-memory.dmp
memory/2780-69-0x0000000000400000-0x00000000005C3000-memory.dmp
memory/2988-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/2988-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2988-75-0x0000000000400000-0x0000000000414000-memory.dmp