Analysis
-
max time kernel
42s -
max time network
51s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
29-06-2024 21:04
Static task
static1
Behavioral task
behavioral1
Sample
e5b75faad06132a6609414e4023f2b5cce5c3363a3a5c8c93f846b432bfb2e2f.exe
Resource
win10v2004-20240508-en
General
-
Target
e5b75faad06132a6609414e4023f2b5cce5c3363a3a5c8c93f846b432bfb2e2f.exe
-
Size
2.2MB
-
MD5
baa6054e1dc431e0638b1083988882ec
-
SHA1
ccd555c15f8f8ec621b758e1634aee48415c6985
-
SHA256
e5b75faad06132a6609414e4023f2b5cce5c3363a3a5c8c93f846b432bfb2e2f
-
SHA512
33380d2b97edc6ab8ea0cf73dac07ecbb7fbf59fdd68d3468f5addf45de41ba9ef35cf54d1372032ff4a9e13f46c7dacd6683b3ae0779e932e573e66e64fecec
-
SSDEEP
49152:qpjNvr9ySAOmw4RHHO+SASagXkJr4MDkUwm:qpjNp7p4RHH8n5A
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 behavioral1/memory/5076-2-0x0000000003FF0000-0x0000000004100000-memory.dmp family_vidar_v7 behavioral1/memory/764-4-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/764-8-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/764-10-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/764-11-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/764-12-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/764-13-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/764-14-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/764-15-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
kat42B6.tmpdescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation kat42B6.tmp -
Executes dropped EXE 1 IoCs
Processes:
kat42B6.tmppid process 764 kat42B6.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:
e5b75faad06132a6609414e4023f2b5cce5c3363a3a5c8c93f846b432bfb2e2f.exedescription pid process target process PID 5076 set thread context of 764 5076 e5b75faad06132a6609414e4023f2b5cce5c3363a3a5c8c93f846b432bfb2e2f.exe kat42B6.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:
kat42B6.tmpdescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 kat42B6.tmp Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat42B6.tmp -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 3652 timeout.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
kat42B6.tmppid process 764 kat42B6.tmp 764 kat42B6.tmp 764 kat42B6.tmp 764 kat42B6.tmp 764 kat42B6.tmp 764 kat42B6.tmp -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
e5b75faad06132a6609414e4023f2b5cce5c3363a3a5c8c93f846b432bfb2e2f.exekat42B6.tmpcmd.exedescription pid process target process PID 5076 wrote to memory of 764 5076 e5b75faad06132a6609414e4023f2b5cce5c3363a3a5c8c93f846b432bfb2e2f.exe kat42B6.tmp PID 5076 wrote to memory of 764 5076 e5b75faad06132a6609414e4023f2b5cce5c3363a3a5c8c93f846b432bfb2e2f.exe kat42B6.tmp PID 5076 wrote to memory of 764 5076 e5b75faad06132a6609414e4023f2b5cce5c3363a3a5c8c93f846b432bfb2e2f.exe kat42B6.tmp PID 5076 wrote to memory of 764 5076 e5b75faad06132a6609414e4023f2b5cce5c3363a3a5c8c93f846b432bfb2e2f.exe kat42B6.tmp PID 5076 wrote to memory of 764 5076 e5b75faad06132a6609414e4023f2b5cce5c3363a3a5c8c93f846b432bfb2e2f.exe kat42B6.tmp PID 5076 wrote to memory of 764 5076 e5b75faad06132a6609414e4023f2b5cce5c3363a3a5c8c93f846b432bfb2e2f.exe kat42B6.tmp PID 5076 wrote to memory of 764 5076 e5b75faad06132a6609414e4023f2b5cce5c3363a3a5c8c93f846b432bfb2e2f.exe kat42B6.tmp PID 5076 wrote to memory of 764 5076 e5b75faad06132a6609414e4023f2b5cce5c3363a3a5c8c93f846b432bfb2e2f.exe kat42B6.tmp PID 764 wrote to memory of 624 764 kat42B6.tmp cmd.exe PID 764 wrote to memory of 624 764 kat42B6.tmp cmd.exe PID 764 wrote to memory of 624 764 kat42B6.tmp cmd.exe PID 624 wrote to memory of 3652 624 cmd.exe timeout.exe PID 624 wrote to memory of 3652 624 cmd.exe timeout.exe PID 624 wrote to memory of 3652 624 cmd.exe timeout.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\e5b75faad06132a6609414e4023f2b5cce5c3363a3a5c8c93f846b432bfb2e2f.exe"C:\Users\Admin\AppData\Local\Temp\e5b75faad06132a6609414e4023f2b5cce5c3363a3a5c8c93f846b432bfb2e2f.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\kat42B6.tmpC:\Users\Admin\AppData\Local\Temp\kat42B6.tmp2⤵
- Checks computer location settings
- 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\kat42B6.tmp" & rd /s /q "C:\ProgramData\DAKFIDHDGIEG" & 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\kat42B6.tmpFilesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f
-
memory/764-4-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
-
memory/764-8-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
-
memory/764-10-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
-
memory/764-11-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
-
memory/764-12-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
-
memory/764-13-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
-
memory/764-14-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
-
memory/764-15-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
-
memory/5076-0-0x00000000023A0000-0x00000000023A1000-memory.dmpFilesize
4KB
-
memory/5076-2-0x0000000003FF0000-0x0000000004100000-memory.dmpFilesize
1.1MB
-
memory/5076-9-0x0000000000400000-0x0000000000635000-memory.dmpFilesize
2.2MB