Analysis
-
max time kernel
137s -
max time network
106s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
25-05-2024 06:25
Static task
static1
Behavioral task
behavioral1
Sample
763f162f7698c795f95fa7467681e84fc64ab44a074a34b6b087615178c9d737.exe
Resource
win10v2004-20240508-en
General
-
Target
763f162f7698c795f95fa7467681e84fc64ab44a074a34b6b087615178c9d737.exe
-
Size
2.0MB
-
MD5
489c46812644a455dbb49a40f60e8c4e
-
SHA1
3be7eb500d2abf007c434a8fcb036c5f71d07288
-
SHA256
763f162f7698c795f95fa7467681e84fc64ab44a074a34b6b087615178c9d737
-
SHA512
5dbc82222e880718ba7413023320688e8009bca0b46f1f53f6392ac4ec2b2d6462fbe5ce5ffb78bdd13833c858d6fbd46d19542865985599c50f73cdaf085abb
-
SSDEEP
49152:s4K3x1vUaJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18atIuoITsdZ
Malware Config
Extracted
stealc
Extracted
vidar
https://steamcommunity.com/profiles/76561199689717899
https://t.me/copterwin
-
user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0
Signatures
-
Detect Vidar Stealer 8 IoCs
Processes:
resource yara_rule behavioral1/memory/1416-1-0x0000000004070000-0x00000000041B9000-memory.dmp family_vidar_v7 behavioral1/memory/1788-8-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/1788-10-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/1788-4-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/1788-14-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/1788-15-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/1788-32-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/1788-33-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
-
Executes dropped EXE 1 IoCs
Processes:
kat4594.tmppid process 1788 kat4594.tmp -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
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:
763f162f7698c795f95fa7467681e84fc64ab44a074a34b6b087615178c9d737.exedescription pid process target process PID 1416 set thread context of 1788 1416 763f162f7698c795f95fa7467681e84fc64ab44a074a34b6b087615178c9d737.exe kat4594.tmp -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat4594.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat4594.tmp -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
kat4594.tmppid process 1788 kat4594.tmp 1788 kat4594.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
763f162f7698c795f95fa7467681e84fc64ab44a074a34b6b087615178c9d737.exedescription pid process target process PID 1416 wrote to memory of 1788 1416 763f162f7698c795f95fa7467681e84fc64ab44a074a34b6b087615178c9d737.exe kat4594.tmp PID 1416 wrote to memory of 1788 1416 763f162f7698c795f95fa7467681e84fc64ab44a074a34b6b087615178c9d737.exe kat4594.tmp PID 1416 wrote to memory of 1788 1416 763f162f7698c795f95fa7467681e84fc64ab44a074a34b6b087615178c9d737.exe kat4594.tmp PID 1416 wrote to memory of 1788 1416 763f162f7698c795f95fa7467681e84fc64ab44a074a34b6b087615178c9d737.exe kat4594.tmp PID 1416 wrote to memory of 1788 1416 763f162f7698c795f95fa7467681e84fc64ab44a074a34b6b087615178c9d737.exe kat4594.tmp PID 1416 wrote to memory of 1788 1416 763f162f7698c795f95fa7467681e84fc64ab44a074a34b6b087615178c9d737.exe kat4594.tmp PID 1416 wrote to memory of 1788 1416 763f162f7698c795f95fa7467681e84fc64ab44a074a34b6b087615178c9d737.exe kat4594.tmp PID 1416 wrote to memory of 1788 1416 763f162f7698c795f95fa7467681e84fc64ab44a074a34b6b087615178c9d737.exe kat4594.tmp
Processes
-
C:\Users\Admin\AppData\Local\Temp\763f162f7698c795f95fa7467681e84fc64ab44a074a34b6b087615178c9d737.exe"C:\Users\Admin\AppData\Local\Temp\763f162f7698c795f95fa7467681e84fc64ab44a074a34b6b087615178c9d737.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\kat4594.tmpC:\Users\Admin\AppData\Local\Temp\kat4594.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\kat4594.tmpFilesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f
-
memory/1416-0-0x00000000007C0000-0x00000000007C1000-memory.dmpFilesize
4KB
-
memory/1416-1-0x0000000004070000-0x00000000041B9000-memory.dmpFilesize
1.3MB
-
memory/1416-9-0x0000000000400000-0x000000000060C000-memory.dmpFilesize
2.0MB
-
memory/1788-8-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/1788-10-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/1788-4-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/1788-14-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/1788-15-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/1788-17-0x000000001DC40000-0x000000001DE9F000-memory.dmpFilesize
2.4MB
-
memory/1788-32-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/1788-33-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB