Analysis
-
max time kernel
146s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
30-06-2024 02:48
Static task
static1
Behavioral task
behavioral1
Sample
4f7ed9210bd74eb0e51457060d6c973509df5e0a2c4ac54f365eca37cfd96cc1.exe
Resource
win10v2004-20240508-en
General
-
Target
4f7ed9210bd74eb0e51457060d6c973509df5e0a2c4ac54f365eca37cfd96cc1.exe
-
Size
2.2MB
-
MD5
440f4b21f58352045e7e0d7fb59b9626
-
SHA1
c4dce07ca95298c227c293d2446bcbcba111f6ea
-
SHA256
4f7ed9210bd74eb0e51457060d6c973509df5e0a2c4ac54f365eca37cfd96cc1
-
SHA512
656262e29acd69102b2b2d6aa1a5e4e06149857fbb0db91c603e0e32ce3d6fa9074050116f8352273361587f35798e9d71d7299999e5384b4f31466077336091
-
SSDEEP
49152:qpjNvr9ySAOmw41HHO+SASagXkJr4MDkUwm:qpjNp7p41HH8n5A
Malware Config
Extracted
vidar
https://t.me/g067n
https://steamcommunity.com/profiles/76561199707802586
-
user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0
Signatures
-
Detect Vidar Stealer 9 IoCs
Processes:
resource yara_rule behavioral2/memory/236-1-0x0000000004030000-0x0000000004140000-memory.dmp family_vidar_v7 behavioral2/memory/232-10-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/232-4-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/232-8-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/232-11-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/232-12-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/232-13-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/232-14-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/232-15-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 -
Executes dropped EXE 1 IoCs
Processes:
kat4E10.tmppid process 232 kat4E10.tmp -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
-
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 SetThreadContext 1 IoCs
Processes:
4f7ed9210bd74eb0e51457060d6c973509df5e0a2c4ac54f365eca37cfd96cc1.exedescription pid process target process PID 236 set thread context of 232 236 4f7ed9210bd74eb0e51457060d6c973509df5e0a2c4ac54f365eca37cfd96cc1.exe kat4E10.tmp -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat4E10.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat4E10.tmp Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 kat4E10.tmp -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 1100 timeout.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
kat4E10.tmppid process 232 kat4E10.tmp 232 kat4E10.tmp 232 kat4E10.tmp 232 kat4E10.tmp 232 kat4E10.tmp 232 kat4E10.tmp -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
4f7ed9210bd74eb0e51457060d6c973509df5e0a2c4ac54f365eca37cfd96cc1.exekat4E10.tmpcmd.exedescription pid process target process PID 236 wrote to memory of 232 236 4f7ed9210bd74eb0e51457060d6c973509df5e0a2c4ac54f365eca37cfd96cc1.exe kat4E10.tmp PID 236 wrote to memory of 232 236 4f7ed9210bd74eb0e51457060d6c973509df5e0a2c4ac54f365eca37cfd96cc1.exe kat4E10.tmp PID 236 wrote to memory of 232 236 4f7ed9210bd74eb0e51457060d6c973509df5e0a2c4ac54f365eca37cfd96cc1.exe kat4E10.tmp PID 236 wrote to memory of 232 236 4f7ed9210bd74eb0e51457060d6c973509df5e0a2c4ac54f365eca37cfd96cc1.exe kat4E10.tmp PID 236 wrote to memory of 232 236 4f7ed9210bd74eb0e51457060d6c973509df5e0a2c4ac54f365eca37cfd96cc1.exe kat4E10.tmp PID 236 wrote to memory of 232 236 4f7ed9210bd74eb0e51457060d6c973509df5e0a2c4ac54f365eca37cfd96cc1.exe kat4E10.tmp PID 236 wrote to memory of 232 236 4f7ed9210bd74eb0e51457060d6c973509df5e0a2c4ac54f365eca37cfd96cc1.exe kat4E10.tmp PID 236 wrote to memory of 232 236 4f7ed9210bd74eb0e51457060d6c973509df5e0a2c4ac54f365eca37cfd96cc1.exe kat4E10.tmp PID 232 wrote to memory of 3460 232 kat4E10.tmp cmd.exe PID 232 wrote to memory of 3460 232 kat4E10.tmp cmd.exe PID 232 wrote to memory of 3460 232 kat4E10.tmp cmd.exe PID 3460 wrote to memory of 1100 3460 cmd.exe timeout.exe PID 3460 wrote to memory of 1100 3460 cmd.exe timeout.exe PID 3460 wrote to memory of 1100 3460 cmd.exe timeout.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\4f7ed9210bd74eb0e51457060d6c973509df5e0a2c4ac54f365eca37cfd96cc1.exe"C:\Users\Admin\AppData\Local\Temp\4f7ed9210bd74eb0e51457060d6c973509df5e0a2c4ac54f365eca37cfd96cc1.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\kat4E10.tmpC:\Users\Admin\AppData\Local\Temp\kat4E10.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat4E10.tmp" & rd /s /q "C:\ProgramData\CGDGIJKFIJDA" & exit3⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- Delays execution with timeout.exe
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\kat4E10.tmpFilesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f
-
memory/232-10-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
-
memory/232-4-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
-
memory/232-8-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
-
memory/232-11-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
-
memory/232-12-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
-
memory/232-13-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
-
memory/232-14-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
-
memory/232-15-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
-
memory/236-0-0x0000000002370000-0x0000000002371000-memory.dmpFilesize
4KB
-
memory/236-1-0x0000000004030000-0x0000000004140000-memory.dmpFilesize
1.1MB
-
memory/236-9-0x0000000000400000-0x0000000000635000-memory.dmpFilesize
2.2MB