Analysis
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max time kernel
190s -
max time network
300s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
03-06-2024 05:41
Static task
static1
Behavioral task
behavioral1
Sample
8d1073c24d6e764f960f9c3dd5fc7efc010c1be0a61218bba2be3d1356a69c9c.exe
Resource
win7-20240221-en
General
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Target
8d1073c24d6e764f960f9c3dd5fc7efc010c1be0a61218bba2be3d1356a69c9c.exe
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Size
2.0MB
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MD5
4f902d36f72af6d61eb15999c663f651
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SHA1
91de120f919a43b5132136d7854b68bd483c38a5
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SHA256
8d1073c24d6e764f960f9c3dd5fc7efc010c1be0a61218bba2be3d1356a69c9c
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SHA512
ecbe7d99412e6688d2660bd26b5b31349a9915ecc33c4d28e3e16d180670cb999c258dfed759a3dabae343bf5d4881b6f0c570bed9dcf59199b1dbda554915f1
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SSDEEP
49152:eqtdPVosJEAz/+VHA58ljrIY+96lJS9bZ:e6d9fJRc7jvedZ
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/1744-2-0x0000000003FF0000-0x000000000413C000-memory.dmp family_vidar_v7 behavioral2/memory/2520-8-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/2520-10-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/2520-4-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/2520-16-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/2520-17-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/2520-34-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/2520-35-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
katD6C8.tmppid Process 2520 katD6C8.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:
8d1073c24d6e764f960f9c3dd5fc7efc010c1be0a61218bba2be3d1356a69c9c.exedescription pid Process procid_target PID 1744 set thread context of 2520 1744 8d1073c24d6e764f960f9c3dd5fc7efc010c1be0a61218bba2be3d1356a69c9c.exe 72 -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
katD6C8.tmpdescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString katD6C8.tmp -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
katD6C8.tmppid Process 2520 katD6C8.tmp 2520 katD6C8.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
8d1073c24d6e764f960f9c3dd5fc7efc010c1be0a61218bba2be3d1356a69c9c.exedescription pid Process procid_target PID 1744 wrote to memory of 2520 1744 8d1073c24d6e764f960f9c3dd5fc7efc010c1be0a61218bba2be3d1356a69c9c.exe 72 PID 1744 wrote to memory of 2520 1744 8d1073c24d6e764f960f9c3dd5fc7efc010c1be0a61218bba2be3d1356a69c9c.exe 72 PID 1744 wrote to memory of 2520 1744 8d1073c24d6e764f960f9c3dd5fc7efc010c1be0a61218bba2be3d1356a69c9c.exe 72 PID 1744 wrote to memory of 2520 1744 8d1073c24d6e764f960f9c3dd5fc7efc010c1be0a61218bba2be3d1356a69c9c.exe 72 PID 1744 wrote to memory of 2520 1744 8d1073c24d6e764f960f9c3dd5fc7efc010c1be0a61218bba2be3d1356a69c9c.exe 72 PID 1744 wrote to memory of 2520 1744 8d1073c24d6e764f960f9c3dd5fc7efc010c1be0a61218bba2be3d1356a69c9c.exe 72 PID 1744 wrote to memory of 2520 1744 8d1073c24d6e764f960f9c3dd5fc7efc010c1be0a61218bba2be3d1356a69c9c.exe 72 PID 1744 wrote to memory of 2520 1744 8d1073c24d6e764f960f9c3dd5fc7efc010c1be0a61218bba2be3d1356a69c9c.exe 72
Processes
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C:\Users\Admin\AppData\Local\Temp\8d1073c24d6e764f960f9c3dd5fc7efc010c1be0a61218bba2be3d1356a69c9c.exe"C:\Users\Admin\AppData\Local\Temp\8d1073c24d6e764f960f9c3dd5fc7efc010c1be0a61218bba2be3d1356a69c9c.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1744 -
C:\Users\Admin\AppData\Local\Temp\katD6C8.tmpC:\Users\Admin\AppData\Local\Temp\katD6C8.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:2520
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f