Analysis
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max time kernel
146s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
03-06-2024 10:15
Static task
static1
Behavioral task
behavioral1
Sample
0af59d03bd25aaf14e586154643236d709f6402ba8a1227e62dcb19459aa9c57.exe
Resource
win10v2004-20240426-en
General
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Target
0af59d03bd25aaf14e586154643236d709f6402ba8a1227e62dcb19459aa9c57.exe
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Size
1.8MB
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MD5
a34e791dfcd157d27e4c0dde760ca105
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SHA1
6f8bafe3dcfe3021409930c6e7c2fdae12175683
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SHA256
0af59d03bd25aaf14e586154643236d709f6402ba8a1227e62dcb19459aa9c57
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SHA512
ce79de32c3e6b2a8d6febb1b9c336783e5cc7767c870b52aed74539b35ea8ec523230652dbf20f25ad28e087461831f63531065d36c601d9e46550197c9421d4
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SSDEEP
24576:W7YfUB7F1931tbaYaOV+rEfv0xwT3zxNOt4XigDSCuptNEynEsqqfD:W75B7FDFtbaYa8aesY3Ot4N7G/
Malware Config
Extracted
stealc
Extracted
vidar
https://t.me/ta904ek
https://steamcommunity.com/profiles/76561199695752269
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0
Signatures
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Detect Vidar Stealer 8 IoCs
Processes:
resource yara_rule behavioral2/memory/1516-1-0x0000000002A20000-0x0000000002B6C000-memory.dmp family_vidar_v7 behavioral2/memory/2640-9-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/2640-4-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/2640-8-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/2640-24-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/2640-25-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/2640-42-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/2640-43-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
kat683F.tmppid process 2640 kat683F.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:
0af59d03bd25aaf14e586154643236d709f6402ba8a1227e62dcb19459aa9c57.exedescription pid process target process PID 1516 set thread context of 2640 1516 0af59d03bd25aaf14e586154643236d709f6402ba8a1227e62dcb19459aa9c57.exe kat683F.tmp -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat683F.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat683F.tmp -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
kat683F.tmppid process 2640 kat683F.tmp 2640 kat683F.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
0af59d03bd25aaf14e586154643236d709f6402ba8a1227e62dcb19459aa9c57.exedescription pid process target process PID 1516 wrote to memory of 2640 1516 0af59d03bd25aaf14e586154643236d709f6402ba8a1227e62dcb19459aa9c57.exe kat683F.tmp PID 1516 wrote to memory of 2640 1516 0af59d03bd25aaf14e586154643236d709f6402ba8a1227e62dcb19459aa9c57.exe kat683F.tmp PID 1516 wrote to memory of 2640 1516 0af59d03bd25aaf14e586154643236d709f6402ba8a1227e62dcb19459aa9c57.exe kat683F.tmp PID 1516 wrote to memory of 2640 1516 0af59d03bd25aaf14e586154643236d709f6402ba8a1227e62dcb19459aa9c57.exe kat683F.tmp PID 1516 wrote to memory of 2640 1516 0af59d03bd25aaf14e586154643236d709f6402ba8a1227e62dcb19459aa9c57.exe kat683F.tmp PID 1516 wrote to memory of 2640 1516 0af59d03bd25aaf14e586154643236d709f6402ba8a1227e62dcb19459aa9c57.exe kat683F.tmp PID 1516 wrote to memory of 2640 1516 0af59d03bd25aaf14e586154643236d709f6402ba8a1227e62dcb19459aa9c57.exe kat683F.tmp PID 1516 wrote to memory of 2640 1516 0af59d03bd25aaf14e586154643236d709f6402ba8a1227e62dcb19459aa9c57.exe kat683F.tmp
Processes
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C:\Users\Admin\AppData\Local\Temp\0af59d03bd25aaf14e586154643236d709f6402ba8a1227e62dcb19459aa9c57.exe"C:\Users\Admin\AppData\Local\Temp\0af59d03bd25aaf14e586154643236d709f6402ba8a1227e62dcb19459aa9c57.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1516 -
C:\Users\Admin\AppData\Local\Temp\kat683F.tmpC:\Users\Admin\AppData\Local\Temp\kat683F.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:2640
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f