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Analysis
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max time kernel
133s -
max time network
124s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
29/06/2024, 13:36
Static task
static1
Behavioral task
behavioral1
Sample
1438267716d7a375be8003ad47b20e7db16a408d7ad37d7d097a73832905c414.exe
Resource
win10v2004-20240611-en
General
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Target
1438267716d7a375be8003ad47b20e7db16a408d7ad37d7d097a73832905c414.exe
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Size
2.2MB
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MD5
7bec706a806587e3d642d64483bc2fd6
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SHA1
32ea2af87b0124d81a99a2b36fb1389ac0de2bb0
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SHA256
1438267716d7a375be8003ad47b20e7db16a408d7ad37d7d097a73832905c414
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SHA512
b3d592830a3611843535ff69870d89c1ed93b40da28877e55d1bf1b5219becf7b2d4cc091fda78b541ecba1fab387c75b6a692b2b235b11905fe6ff58e015fce
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SSDEEP
49152:qpjNvr9ySAOmw4BHHO+SASagXkJr4MDkUwm:qpjNp7p4BHH8n5A
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
resource yara_rule behavioral1/memory/2364-2-0x0000000002A40000-0x0000000002B50000-memory.dmp family_vidar_v7 behavioral1/memory/2556-4-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/2556-9-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/2556-8-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/2556-22-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/2556-23-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/2556-33-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/2556-34-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
pid Process 2556 kat3B63.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
description pid Process procid_target PID 2364 set thread context of 2556 2364 1438267716d7a375be8003ad47b20e7db16a408d7ad37d7d097a73832905c414.exe 85 -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat3B63.tmp Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 kat3B63.tmp -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2556 kat3B63.tmp 2556 kat3B63.tmp 2556 kat3B63.tmp 2556 kat3B63.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2364 wrote to memory of 2556 2364 1438267716d7a375be8003ad47b20e7db16a408d7ad37d7d097a73832905c414.exe 85 PID 2364 wrote to memory of 2556 2364 1438267716d7a375be8003ad47b20e7db16a408d7ad37d7d097a73832905c414.exe 85 PID 2364 wrote to memory of 2556 2364 1438267716d7a375be8003ad47b20e7db16a408d7ad37d7d097a73832905c414.exe 85 PID 2364 wrote to memory of 2556 2364 1438267716d7a375be8003ad47b20e7db16a408d7ad37d7d097a73832905c414.exe 85 PID 2364 wrote to memory of 2556 2364 1438267716d7a375be8003ad47b20e7db16a408d7ad37d7d097a73832905c414.exe 85 PID 2364 wrote to memory of 2556 2364 1438267716d7a375be8003ad47b20e7db16a408d7ad37d7d097a73832905c414.exe 85 PID 2364 wrote to memory of 2556 2364 1438267716d7a375be8003ad47b20e7db16a408d7ad37d7d097a73832905c414.exe 85 PID 2364 wrote to memory of 2556 2364 1438267716d7a375be8003ad47b20e7db16a408d7ad37d7d097a73832905c414.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\1438267716d7a375be8003ad47b20e7db16a408d7ad37d7d097a73832905c414.exe"C:\Users\Admin\AppData\Local\Temp\1438267716d7a375be8003ad47b20e7db16a408d7ad37d7d097a73832905c414.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2364 -
C:\Users\Admin\AppData\Local\Temp\kat3B63.tmpC:\Users\Admin\AppData\Local\Temp\kat3B63.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:2556
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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