Analysis
- max time kernel
141s - max time network
127s - platform
windows11-21h2_x64 - resource
win11-20240508-en - resource tags
- submitted
25/06/2024, 18:00
General
- Target ad7fe7912d1b7a9cf91c94cde647e9f3bf1e6c1de871df17218e94096fcdd40e.exe
- Size 5.1MB
- Sample240625-wlgz6athrf
- SHA256 ad7fe7912d1b7a9cf91c94cde647e9f3bf1e6c1de871df17218e94096fcdd40e
Malware Config
Extracted
-
socks5systemz
-
dlfbwyy.info
-
http://dlfbwyy.info/search/?q=67e28dd86f59a17b435afa187c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4fe8889b5e4fa9281ae978a271ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff612c3e7919233
-
http://dlfbwyy.info/search/?q=67e28dd86f59a17b435afa187c27d78406abdd88be4b12eab517aa5c96bd86ec958349865a8bbc896c58e713bc90c91a36b5281fc235a925ed3e01d6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee9c9938c56b9e1e
Signatures
- Detect Socks5Systemz Payload 3 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 FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\ad7fe7912d1b7a9cf91c94cde647e9f3bf1e6c1de871df17218e94096fcdd40e.exe"C:\Users\Admin\AppData\Local\Temp\ad7fe7912d1b7a9cf91c94cde647e9f3bf1e6c1de871df17218e94096fcdd40e.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-4D833.tmp\ad7fe7912d1b7a9cf91c94cde647e9f3bf1e6c1de871df17218e94096fcdd40e.tmp"C:\Users\Admin\AppData\Local\Temp\is-4D833.tmp\ad7fe7912d1b7a9cf91c94cde647e9f3bf1e6c1de871df17218e94096fcdd40e.tmp" /SL5="$A0070,5136792,54272,C:\Users\Admin\AppData\Local\Temp\ad7fe7912d1b7a9cf91c94cde647e9f3bf1e6c1de871df17218e94096fcdd40e.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe"C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe"C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
mp3ripfreeedition32_64.exe
ad7fe7912d1b7a9cf91c94cde647e9f3bf1e6c1de871df17218e94096fcdd40e.tmp
_iscrypt.dll
memory/2256-64-0x0000000000400000-0x000000000047E000-memory.dmp
memory/2256-59-0x0000000000400000-0x000000000074E000-memory.dmp
memory/2256-60-0x0000000000400000-0x000000000074E000-memory.dmp
memory/2256-65-0x0000000000400000-0x000000000074E000-memory.dmp
memory/3476-70-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/3476-16-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4660-74-0x0000000000400000-0x000000000074E000-memory.dmp
memory/4660-88-0x0000000000400000-0x000000000074E000-memory.dmp
memory/4660-118-0x0000000000400000-0x000000000074E000-memory.dmp
memory/4660-115-0x0000000000400000-0x000000000074E000-memory.dmp
memory/4660-71-0x0000000000400000-0x000000000074E000-memory.dmp
memory/4660-111-0x0000000000AA0000-0x0000000000B42000-memory.dmp
memory/4660-75-0x0000000000400000-0x000000000074E000-memory.dmp
memory/4660-78-0x0000000000400000-0x000000000074E000-memory.dmp
memory/4660-81-0x0000000000400000-0x000000000074E000-memory.dmp
memory/4660-84-0x0000000000400000-0x000000000074E000-memory.dmp
memory/4660-87-0x0000000000AA0000-0x0000000000B42000-memory.dmp
memory/4660-68-0x0000000000400000-0x000000000074E000-memory.dmp
memory/4660-94-0x0000000000400000-0x000000000074E000-memory.dmp
memory/4660-97-0x0000000000400000-0x000000000074E000-memory.dmp
memory/4660-100-0x0000000000400000-0x000000000074E000-memory.dmp
memory/4660-103-0x0000000000400000-0x000000000074E000-memory.dmp
memory/4660-106-0x0000000000400000-0x000000000074E000-memory.dmp
memory/4660-109-0x0000000000400000-0x000000000074E000-memory.dmp
memory/4660-110-0x0000000000AA0000-0x0000000000B42000-memory.dmp
memory/5032-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/5032-3-0x0000000000401000-0x000000000040B000-memory.dmp
memory/5032-69-0x0000000000400000-0x0000000000414000-memory.dmp