Analysis
- max time kernel
141s - max time network
127s - platform
windows11-21h2_x64 - resource
win11-20240508-en - resource tags
- submitted
26/06/2024, 04:27
General
- Target fe0678a16d2c979f096da9163dd94da05569d318451dc7badd2c09f10aa86be3.exe
- Size 4.9MB
- Sample240626-e3hvcavejf
- SHA256 fe0678a16d2c979f096da9163dd94da05569d318451dc7badd2c09f10aa86be3
Malware Config
Extracted
-
socks5systemz
-
bvggzud.com
-
http://bvggzud.com/search/?q=67e28dd86f59a17b435afa187c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4fe8889b5e4fa9281ae978a271ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff612c7e994993f
-
http://bvggzud.com/search/?q=67e28dd86f59a17b435afa187c27d78406abdd88be4b12eab517aa5c96bd86ec958349865a8bbc896c58e713bc90c91a36b5281fc235a925ed3e01d6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee9c993ccb6e9512
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\fe0678a16d2c979f096da9163dd94da05569d318451dc7badd2c09f10aa86be3.exe"C:\Users\Admin\AppData\Local\Temp\fe0678a16d2c979f096da9163dd94da05569d318451dc7badd2c09f10aa86be3.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-BENR6.tmp\fe0678a16d2c979f096da9163dd94da05569d318451dc7badd2c09f10aa86be3.tmp"C:\Users\Admin\AppData\Local\Temp\is-BENR6.tmp\fe0678a16d2c979f096da9163dd94da05569d318451dc7badd2c09f10aa86be3.tmp" /SL5="$40220,4898474,54272,C:\Users\Admin\AppData\Local\Temp\fe0678a16d2c979f096da9163dd94da05569d318451dc7badd2c09f10aa86be3.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Audio Normalizer\audionormalizer.exe"C:\Users\Admin\AppData\Local\Audio Normalizer\audionormalizer.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Audio Normalizer\audionormalizer.exe"C:\Users\Admin\AppData\Local\Audio Normalizer\audionormalizer.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
audionormalizer.exe
fe0678a16d2c979f096da9163dd94da05569d318451dc7badd2c09f10aa86be3.tmp
_iscrypt.dll
memory/1904-97-0x0000000000400000-0x0000000000711000-memory.dmp
memory/1904-100-0x0000000000400000-0x0000000000711000-memory.dmp
memory/1904-118-0x0000000000400000-0x0000000000711000-memory.dmp
memory/1904-115-0x0000000000400000-0x0000000000711000-memory.dmp
memory/1904-111-0x0000000002600000-0x00000000026A2000-memory.dmp
memory/1904-68-0x0000000000400000-0x0000000000711000-memory.dmp
memory/1904-110-0x0000000002600000-0x00000000026A2000-memory.dmp
memory/1904-109-0x0000000000400000-0x0000000000711000-memory.dmp
memory/1904-106-0x0000000000400000-0x0000000000711000-memory.dmp
memory/1904-103-0x0000000000400000-0x0000000000711000-memory.dmp
memory/1904-71-0x0000000000400000-0x0000000000711000-memory.dmp
memory/1904-74-0x0000000000400000-0x0000000000711000-memory.dmp
memory/1904-77-0x0000000000400000-0x0000000000711000-memory.dmp
memory/1904-80-0x0000000000400000-0x0000000000711000-memory.dmp
memory/1904-83-0x0000000000400000-0x0000000000711000-memory.dmp
memory/1904-86-0x0000000002600000-0x00000000026A2000-memory.dmp
memory/1904-89-0x0000000000400000-0x0000000000711000-memory.dmp
memory/1904-94-0x0000000000400000-0x0000000000711000-memory.dmp
memory/2664-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2664-69-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2664-3-0x0000000000401000-0x000000000040B000-memory.dmp
memory/4448-16-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4448-70-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4936-60-0x0000000000400000-0x0000000000711000-memory.dmp
memory/4936-65-0x0000000000400000-0x0000000000711000-memory.dmp
memory/4936-63-0x0000000000400000-0x0000000000711000-memory.dmp
memory/4936-59-0x0000000000400000-0x0000000000711000-memory.dmp