Analysis
- max time kernel
141s - max time network
127s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
11/06/2024, 17:41
General
- Target fa367a7d44377d2c3f684c3912fec827.exe
- Size 4.7MB
- Sample240611-v9ez2averb
- SHA256 7256e9f673b78c62aae25f78902c393d758262202e8ab4e4b4f1d5d01cd4cd12
Malware Config
Extracted
-
socks5systemz
-
cepvnlr.net
-
http://cepvnlr.net/search/?q=67e28dd86b5cf27c420ff9177c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a371ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff710c2e892993b
-
http://cepvnlr.net/search/?q=67e28dd86b5cf27c420ff9177c27d78406abdd88be4b12eab517aa5c96bd86ec918e44845a8bbc896c58e713bc90c91936b5281fc235a925ed3e00d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee9d9b39ca689516
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\fa367a7d44377d2c3f684c3912fec827.exe"C:\Users\Admin\AppData\Local\Temp\fa367a7d44377d2c3f684c3912fec827.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-ELVRR.tmp\fa367a7d44377d2c3f684c3912fec827.tmp"C:\Users\Admin\AppData\Local\Temp\is-ELVRR.tmp\fa367a7d44377d2c3f684c3912fec827.tmp" /SL5="$40206,4719378,54272,C:\Users\Admin\AppData\Local\Temp\fa367a7d44377d2c3f684c3912fec827.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\RecordPad Sound Recorder\recordpadsoundrecorder32.exe"C:\Users\Admin\AppData\Local\RecordPad Sound Recorder\recordpadsoundrecorder32.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\RecordPad Sound Recorder\recordpadsoundrecorder32.exe"C:\Users\Admin\AppData\Local\RecordPad Sound Recorder\recordpadsoundrecorder32.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
recordpadsoundrecorder32.exe
_iscrypt.dll
fa367a7d44377d2c3f684c3912fec827.tmp
memory/2536-70-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2536-16-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2864-59-0x0000000000400000-0x00000000006D6000-memory.dmp
memory/2864-60-0x0000000000400000-0x00000000006D6000-memory.dmp
memory/2864-63-0x0000000000400000-0x00000000006D6000-memory.dmp
memory/2864-65-0x0000000000400000-0x00000000006D6000-memory.dmp
memory/2976-3-0x0000000000401000-0x000000000040B000-memory.dmp
memory/2976-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2976-69-0x0000000000400000-0x0000000000414000-memory.dmp
memory/5080-74-0x0000000000400000-0x00000000006D6000-memory.dmp
memory/5080-97-0x0000000000400000-0x00000000006D6000-memory.dmp
memory/5080-68-0x0000000000400000-0x00000000006D6000-memory.dmp
memory/5080-77-0x0000000000400000-0x00000000006D6000-memory.dmp
memory/5080-80-0x0000000000400000-0x00000000006D6000-memory.dmp
memory/5080-83-0x0000000000400000-0x00000000006D6000-memory.dmp
memory/5080-86-0x0000000000900000-0x00000000009A2000-memory.dmp
memory/5080-89-0x0000000000400000-0x00000000006D6000-memory.dmp
memory/5080-94-0x0000000000400000-0x00000000006D6000-memory.dmp
memory/5080-71-0x0000000000400000-0x00000000006D6000-memory.dmp
memory/5080-100-0x0000000000400000-0x00000000006D6000-memory.dmp
memory/5080-103-0x0000000000400000-0x00000000006D6000-memory.dmp
memory/5080-106-0x0000000000400000-0x00000000006D6000-memory.dmp
memory/5080-109-0x0000000000400000-0x00000000006D6000-memory.dmp
memory/5080-110-0x0000000000900000-0x00000000009A2000-memory.dmp
memory/5080-111-0x0000000000900000-0x00000000009A2000-memory.dmp
memory/5080-115-0x0000000000400000-0x00000000006D6000-memory.dmp
memory/5080-118-0x0000000000400000-0x00000000006D6000-memory.dmp