Analysis
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max time kernel
146s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
01-06-2024 06:48
Static task
static1
Behavioral task
behavioral1
Sample
49605d6ae157a2e5f5ed37d26a07cfd1bebea81ad9748717f2e0b5eecb0632b3.exe
Resource
win10v2004-20240426-en
General
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Target
49605d6ae157a2e5f5ed37d26a07cfd1bebea81ad9748717f2e0b5eecb0632b3.exe
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Size
2.4MB
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MD5
3299970bb5c5b233b1a0599512c93be0
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SHA1
46053cb48bcd7e43f475873df14bd6e4244ccc10
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SHA256
49605d6ae157a2e5f5ed37d26a07cfd1bebea81ad9748717f2e0b5eecb0632b3
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SHA512
2f368ec7b6903176b969196618032919f474e344c091d1ecca1bb2bc97de3524e9da894b57c5e26e79c6db759144ff2a846801e40dc80ab29a5e9785dd80a969
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SSDEEP
49152:wQc81KnB/a/hNT/dtYa8aesY3Ot4N7G/:wDta/hNT/dtn0etD/
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/3696-1-0x0000000002B70000-0x0000000002CBC000-memory.dmp family_vidar_v7 behavioral2/memory/3372-8-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/3372-9-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/3372-4-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/3372-24-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/3372-25-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/3372-42-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/3372-43-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
katA519.tmppid Process 3372 katA519.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:
49605d6ae157a2e5f5ed37d26a07cfd1bebea81ad9748717f2e0b5eecb0632b3.exedescription pid Process procid_target PID 3696 set thread context of 3372 3696 49605d6ae157a2e5f5ed37d26a07cfd1bebea81ad9748717f2e0b5eecb0632b3.exe 80 -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
katA519.tmpdescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString katA519.tmp -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
katA519.tmppid Process 3372 katA519.tmp 3372 katA519.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
49605d6ae157a2e5f5ed37d26a07cfd1bebea81ad9748717f2e0b5eecb0632b3.exedescription pid Process procid_target PID 3696 wrote to memory of 3372 3696 49605d6ae157a2e5f5ed37d26a07cfd1bebea81ad9748717f2e0b5eecb0632b3.exe 80 PID 3696 wrote to memory of 3372 3696 49605d6ae157a2e5f5ed37d26a07cfd1bebea81ad9748717f2e0b5eecb0632b3.exe 80 PID 3696 wrote to memory of 3372 3696 49605d6ae157a2e5f5ed37d26a07cfd1bebea81ad9748717f2e0b5eecb0632b3.exe 80 PID 3696 wrote to memory of 3372 3696 49605d6ae157a2e5f5ed37d26a07cfd1bebea81ad9748717f2e0b5eecb0632b3.exe 80 PID 3696 wrote to memory of 3372 3696 49605d6ae157a2e5f5ed37d26a07cfd1bebea81ad9748717f2e0b5eecb0632b3.exe 80 PID 3696 wrote to memory of 3372 3696 49605d6ae157a2e5f5ed37d26a07cfd1bebea81ad9748717f2e0b5eecb0632b3.exe 80 PID 3696 wrote to memory of 3372 3696 49605d6ae157a2e5f5ed37d26a07cfd1bebea81ad9748717f2e0b5eecb0632b3.exe 80 PID 3696 wrote to memory of 3372 3696 49605d6ae157a2e5f5ed37d26a07cfd1bebea81ad9748717f2e0b5eecb0632b3.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\49605d6ae157a2e5f5ed37d26a07cfd1bebea81ad9748717f2e0b5eecb0632b3.exe"C:\Users\Admin\AppData\Local\Temp\49605d6ae157a2e5f5ed37d26a07cfd1bebea81ad9748717f2e0b5eecb0632b3.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3696 -
C:\Users\Admin\AppData\Local\Temp\katA519.tmpC:\Users\Admin\AppData\Local\Temp\katA519.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:3372
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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