Analysis
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max time kernel
90s -
max time network
127s -
platform
windows11-21h2_x64 -
resource
win11-20240611-en -
resource tags
arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system -
submitted
01-07-2024 09:01
Static task
static1
Behavioral task
behavioral1
Sample
0ccb460fbc9ec0b9b8eba5583fb080c53726b867290098e84aa6cb756d513961.exe
Resource
win10v2004-20240508-en
General
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Target
0ccb460fbc9ec0b9b8eba5583fb080c53726b867290098e84aa6cb756d513961.exe
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Size
2.2MB
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MD5
318df71d09d64ef617563de2d0d04c95
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SHA1
acc2a06c571d4a3bd923ea86828b1e185e6b2359
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SHA256
0ccb460fbc9ec0b9b8eba5583fb080c53726b867290098e84aa6cb756d513961
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SHA512
c4fb81710b8d4306b813c49962fe36119f27592deeb4087809f3ff0c625665503a7bd1e39336fb40f7500f862875726c86d980ef46fd814124075c6913b40c13
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SSDEEP
24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgX3KU2MZQti1u8LnsDJY6WpEYGYG:UJ0hsA91MPR21tuuIeNHYGY0LzjsJxK
Malware Config
Extracted
vidar
https://t.me/g067n
https://steamcommunity.com/profiles/76561199707802586
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0
Signatures
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Detect Vidar Stealer 8 IoCs
Processes:
resource yara_rule behavioral2/memory/1012-1-0x0000000002B50000-0x0000000002C63000-memory.dmp family_vidar_v7 behavioral2/memory/3380-4-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/3380-8-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/3380-9-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/3380-24-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/3380-25-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/3380-35-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/3380-36-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
kat5266.tmppid process 3380 kat5266.tmp -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of SetThreadContext 1 IoCs
Processes:
0ccb460fbc9ec0b9b8eba5583fb080c53726b867290098e84aa6cb756d513961.exedescription pid process target process PID 1012 set thread context of 3380 1012 0ccb460fbc9ec0b9b8eba5583fb080c53726b867290098e84aa6cb756d513961.exe kat5266.tmp -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat5266.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat5266.tmp Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 kat5266.tmp -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
kat5266.tmppid process 3380 kat5266.tmp 3380 kat5266.tmp 3380 kat5266.tmp 3380 kat5266.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
0ccb460fbc9ec0b9b8eba5583fb080c53726b867290098e84aa6cb756d513961.exedescription pid process target process PID 1012 wrote to memory of 3380 1012 0ccb460fbc9ec0b9b8eba5583fb080c53726b867290098e84aa6cb756d513961.exe kat5266.tmp PID 1012 wrote to memory of 3380 1012 0ccb460fbc9ec0b9b8eba5583fb080c53726b867290098e84aa6cb756d513961.exe kat5266.tmp PID 1012 wrote to memory of 3380 1012 0ccb460fbc9ec0b9b8eba5583fb080c53726b867290098e84aa6cb756d513961.exe kat5266.tmp PID 1012 wrote to memory of 3380 1012 0ccb460fbc9ec0b9b8eba5583fb080c53726b867290098e84aa6cb756d513961.exe kat5266.tmp PID 1012 wrote to memory of 3380 1012 0ccb460fbc9ec0b9b8eba5583fb080c53726b867290098e84aa6cb756d513961.exe kat5266.tmp PID 1012 wrote to memory of 3380 1012 0ccb460fbc9ec0b9b8eba5583fb080c53726b867290098e84aa6cb756d513961.exe kat5266.tmp PID 1012 wrote to memory of 3380 1012 0ccb460fbc9ec0b9b8eba5583fb080c53726b867290098e84aa6cb756d513961.exe kat5266.tmp PID 1012 wrote to memory of 3380 1012 0ccb460fbc9ec0b9b8eba5583fb080c53726b867290098e84aa6cb756d513961.exe kat5266.tmp
Processes
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C:\Users\Admin\AppData\Local\Temp\0ccb460fbc9ec0b9b8eba5583fb080c53726b867290098e84aa6cb756d513961.exe"C:\Users\Admin\AppData\Local\Temp\0ccb460fbc9ec0b9b8eba5583fb080c53726b867290098e84aa6cb756d513961.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\kat5266.tmpC:\Users\Admin\AppData\Local\Temp\kat5266.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
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C:\Users\Admin\AppData\Local\Temp\kat5266.tmpFilesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f
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memory/1012-0-0x00000000024B0000-0x00000000024B1000-memory.dmpFilesize
4KB
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memory/1012-1-0x0000000002B50000-0x0000000002C63000-memory.dmpFilesize
1.1MB
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memory/1012-10-0x0000000000400000-0x0000000000641000-memory.dmpFilesize
2.3MB
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memory/3380-4-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/3380-8-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/3380-9-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/3380-24-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/3380-25-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/3380-27-0x000000002D120000-0x000000002D37F000-memory.dmpFilesize
2.4MB
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memory/3380-35-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/3380-36-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB