Analysis
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max time kernel
150s -
max time network
150s -
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 04:57
Static task
static1
Behavioral task
behavioral1
Sample
621ea1a4e883fb9a31ea2d42dd9a199dcad0867495850ea10a4f363c688058e1.exe
Resource
win10v2004-20240611-en
General
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Target
621ea1a4e883fb9a31ea2d42dd9a199dcad0867495850ea10a4f363c688058e1.exe
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Size
2.2MB
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MD5
3e1c716600ea33321c90d80f57454873
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SHA1
5d9385de2a26b840a81c53cf7455b7f76cf921e0
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SHA256
621ea1a4e883fb9a31ea2d42dd9a199dcad0867495850ea10a4f363c688058e1
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SHA512
360b41a72bf1f240635d59da6e2d600bf3a887946cd28cdc6cd0084785665ab35cd7bb4c6c5ac37136b03fb4e312278c3b38519592a70f2b4ba20da911adb176
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SSDEEP
49152:qpjNvr9ySAOmw4lHHO+SASagXkJr4MDkUwm:qpjNp7p4lHH8n5A
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 behavioral1/memory/3608-2-0x0000000002AF0000-0x0000000002C00000-memory.dmp family_vidar_v7 behavioral1/memory/332-4-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/332-8-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/332-10-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/332-22-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/332-23-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/332-33-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/332-34-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
kat3D28.tmppid process 332 kat3D28.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:
621ea1a4e883fb9a31ea2d42dd9a199dcad0867495850ea10a4f363c688058e1.exedescription pid process target process PID 3608 set thread context of 332 3608 621ea1a4e883fb9a31ea2d42dd9a199dcad0867495850ea10a4f363c688058e1.exe kat3D28.tmp -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat3D28.tmpdescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 kat3D28.tmp Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat3D28.tmp -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
kat3D28.tmppid process 332 kat3D28.tmp 332 kat3D28.tmp 332 kat3D28.tmp 332 kat3D28.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
621ea1a4e883fb9a31ea2d42dd9a199dcad0867495850ea10a4f363c688058e1.exedescription pid process target process PID 3608 wrote to memory of 332 3608 621ea1a4e883fb9a31ea2d42dd9a199dcad0867495850ea10a4f363c688058e1.exe kat3D28.tmp PID 3608 wrote to memory of 332 3608 621ea1a4e883fb9a31ea2d42dd9a199dcad0867495850ea10a4f363c688058e1.exe kat3D28.tmp PID 3608 wrote to memory of 332 3608 621ea1a4e883fb9a31ea2d42dd9a199dcad0867495850ea10a4f363c688058e1.exe kat3D28.tmp PID 3608 wrote to memory of 332 3608 621ea1a4e883fb9a31ea2d42dd9a199dcad0867495850ea10a4f363c688058e1.exe kat3D28.tmp PID 3608 wrote to memory of 332 3608 621ea1a4e883fb9a31ea2d42dd9a199dcad0867495850ea10a4f363c688058e1.exe kat3D28.tmp PID 3608 wrote to memory of 332 3608 621ea1a4e883fb9a31ea2d42dd9a199dcad0867495850ea10a4f363c688058e1.exe kat3D28.tmp PID 3608 wrote to memory of 332 3608 621ea1a4e883fb9a31ea2d42dd9a199dcad0867495850ea10a4f363c688058e1.exe kat3D28.tmp PID 3608 wrote to memory of 332 3608 621ea1a4e883fb9a31ea2d42dd9a199dcad0867495850ea10a4f363c688058e1.exe kat3D28.tmp
Processes
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C:\Users\Admin\AppData\Local\Temp\621ea1a4e883fb9a31ea2d42dd9a199dcad0867495850ea10a4f363c688058e1.exe"C:\Users\Admin\AppData\Local\Temp\621ea1a4e883fb9a31ea2d42dd9a199dcad0867495850ea10a4f363c688058e1.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3608 -
C:\Users\Admin\AppData\Local\Temp\kat3D28.tmpC:\Users\Admin\AppData\Local\Temp\kat3D28.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:332
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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