Analysis
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max time kernel
147s -
max time network
154s -
platform
windows11-21h2_x64 -
resource
win11-20240611-en -
resource tags
arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system -
submitted
29-06-2024 11:06
Static task
static1
Behavioral task
behavioral1
Sample
38fbd92abfd60fad7062510f0a3020609a27453f3a3cee298b2674353a1a2958.exe
Resource
win10v2004-20240611-en
General
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Target
38fbd92abfd60fad7062510f0a3020609a27453f3a3cee298b2674353a1a2958.exe
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Size
2.2MB
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MD5
46fd9fa681b0a5f44de3e4878a0a4b22
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SHA1
e6373b9e21482b26e0de7f8ebcdca3bbd4b7102f
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SHA256
38fbd92abfd60fad7062510f0a3020609a27453f3a3cee298b2674353a1a2958
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SHA512
98845e7bd65519ceb7556a3e08acfba0aa02231128a81e4f57490627b0a29b199c27d825bd8937d1b9f5e9d32eb46bcc555db469a8c759a1b47e6041e4d6e307
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SSDEEP
49152:qpjNvr9ySAOmw4VHHO+SASagXkJr4MDkUwm:qpjNp7p4VHH8n5A
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 9 IoCs
Processes:
resource yara_rule behavioral2/memory/4428-1-0x0000000002B60000-0x0000000002C70000-memory.dmp family_vidar_v7 behavioral2/memory/1892-4-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/1892-8-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/1892-10-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/1892-24-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/1892-25-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/1892-26-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/1892-36-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/1892-37-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
kat5AE1.tmppid process 1892 kat5AE1.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:
38fbd92abfd60fad7062510f0a3020609a27453f3a3cee298b2674353a1a2958.exedescription pid process target process PID 4428 set thread context of 1892 4428 38fbd92abfd60fad7062510f0a3020609a27453f3a3cee298b2674353a1a2958.exe kat5AE1.tmp -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat5AE1.tmpdescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 kat5AE1.tmp Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat5AE1.tmp -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
kat5AE1.tmppid process 1892 kat5AE1.tmp 1892 kat5AE1.tmp 1892 kat5AE1.tmp 1892 kat5AE1.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
38fbd92abfd60fad7062510f0a3020609a27453f3a3cee298b2674353a1a2958.exedescription pid process target process PID 4428 wrote to memory of 1892 4428 38fbd92abfd60fad7062510f0a3020609a27453f3a3cee298b2674353a1a2958.exe kat5AE1.tmp PID 4428 wrote to memory of 1892 4428 38fbd92abfd60fad7062510f0a3020609a27453f3a3cee298b2674353a1a2958.exe kat5AE1.tmp PID 4428 wrote to memory of 1892 4428 38fbd92abfd60fad7062510f0a3020609a27453f3a3cee298b2674353a1a2958.exe kat5AE1.tmp PID 4428 wrote to memory of 1892 4428 38fbd92abfd60fad7062510f0a3020609a27453f3a3cee298b2674353a1a2958.exe kat5AE1.tmp PID 4428 wrote to memory of 1892 4428 38fbd92abfd60fad7062510f0a3020609a27453f3a3cee298b2674353a1a2958.exe kat5AE1.tmp PID 4428 wrote to memory of 1892 4428 38fbd92abfd60fad7062510f0a3020609a27453f3a3cee298b2674353a1a2958.exe kat5AE1.tmp PID 4428 wrote to memory of 1892 4428 38fbd92abfd60fad7062510f0a3020609a27453f3a3cee298b2674353a1a2958.exe kat5AE1.tmp PID 4428 wrote to memory of 1892 4428 38fbd92abfd60fad7062510f0a3020609a27453f3a3cee298b2674353a1a2958.exe kat5AE1.tmp
Processes
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C:\Users\Admin\AppData\Local\Temp\38fbd92abfd60fad7062510f0a3020609a27453f3a3cee298b2674353a1a2958.exe"C:\Users\Admin\AppData\Local\Temp\38fbd92abfd60fad7062510f0a3020609a27453f3a3cee298b2674353a1a2958.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4428 -
C:\Users\Admin\AppData\Local\Temp\kat5AE1.tmpC:\Users\Admin\AppData\Local\Temp\kat5AE1.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:1892
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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