Analysis
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max time kernel
91s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
30-06-2024 01:31
Static task
static1
Behavioral task
behavioral1
Sample
612ad86b72959cfb8366005245b59a8fce432e7b3dfc42ab36049851aeec423b.exe
Resource
win10v2004-20240508-en
General
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Target
612ad86b72959cfb8366005245b59a8fce432e7b3dfc42ab36049851aeec423b.exe
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Size
2.2MB
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MD5
97087262a5c57f66101bec1f842d56cc
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SHA1
e082579bd1ab5dfcb08c28d1f6e7daff22e12be9
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SHA256
612ad86b72959cfb8366005245b59a8fce432e7b3dfc42ab36049851aeec423b
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SHA512
09dc62826149eb204153b7cc7469ca8022176eb8c2bcb833b8c1179204ee9cf2aa2be1e2ae93cefbfecc01b4971712661f38765617fd5cb87efddbec9470ec21
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SSDEEP
49152:qpjNvr9ySAOmw4JHHO+SASagXkJr4MDkUwm:qpjNp7p4JHH8n5A
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 13 IoCs
Processes:
resource yara_rule behavioral1/memory/4972-2-0x0000000004000000-0x0000000004110000-memory.dmp family_vidar_v7 behavioral1/memory/3452-8-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/3452-4-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/3452-10-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/3452-22-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/3452-23-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/3452-40-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/3452-41-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/3452-57-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/3452-58-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/3452-69-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/3452-70-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/3452-73-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
kat4314.tmpdescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation kat4314.tmp -
Executes dropped EXE 1 IoCs
Processes:
kat4314.tmppid process 3452 kat4314.tmp -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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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:
612ad86b72959cfb8366005245b59a8fce432e7b3dfc42ab36049851aeec423b.exedescription pid process target process PID 4972 set thread context of 3452 4972 612ad86b72959cfb8366005245b59a8fce432e7b3dfc42ab36049851aeec423b.exe kat4314.tmp -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat4314.tmpdescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 kat4314.tmp Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat4314.tmp -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 2928 timeout.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
kat4314.tmppid process 3452 kat4314.tmp 3452 kat4314.tmp 3452 kat4314.tmp 3452 kat4314.tmp 3452 kat4314.tmp 3452 kat4314.tmp 3452 kat4314.tmp 3452 kat4314.tmp -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
612ad86b72959cfb8366005245b59a8fce432e7b3dfc42ab36049851aeec423b.exekat4314.tmpcmd.exedescription pid process target process PID 4972 wrote to memory of 3452 4972 612ad86b72959cfb8366005245b59a8fce432e7b3dfc42ab36049851aeec423b.exe kat4314.tmp PID 4972 wrote to memory of 3452 4972 612ad86b72959cfb8366005245b59a8fce432e7b3dfc42ab36049851aeec423b.exe kat4314.tmp PID 4972 wrote to memory of 3452 4972 612ad86b72959cfb8366005245b59a8fce432e7b3dfc42ab36049851aeec423b.exe kat4314.tmp PID 4972 wrote to memory of 3452 4972 612ad86b72959cfb8366005245b59a8fce432e7b3dfc42ab36049851aeec423b.exe kat4314.tmp PID 4972 wrote to memory of 3452 4972 612ad86b72959cfb8366005245b59a8fce432e7b3dfc42ab36049851aeec423b.exe kat4314.tmp PID 4972 wrote to memory of 3452 4972 612ad86b72959cfb8366005245b59a8fce432e7b3dfc42ab36049851aeec423b.exe kat4314.tmp PID 4972 wrote to memory of 3452 4972 612ad86b72959cfb8366005245b59a8fce432e7b3dfc42ab36049851aeec423b.exe kat4314.tmp PID 4972 wrote to memory of 3452 4972 612ad86b72959cfb8366005245b59a8fce432e7b3dfc42ab36049851aeec423b.exe kat4314.tmp PID 3452 wrote to memory of 4012 3452 kat4314.tmp cmd.exe PID 3452 wrote to memory of 4012 3452 kat4314.tmp cmd.exe PID 3452 wrote to memory of 4012 3452 kat4314.tmp cmd.exe PID 4012 wrote to memory of 2928 4012 cmd.exe timeout.exe PID 4012 wrote to memory of 2928 4012 cmd.exe timeout.exe PID 4012 wrote to memory of 2928 4012 cmd.exe timeout.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\612ad86b72959cfb8366005245b59a8fce432e7b3dfc42ab36049851aeec423b.exe"C:\Users\Admin\AppData\Local\Temp\612ad86b72959cfb8366005245b59a8fce432e7b3dfc42ab36049851aeec423b.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\kat4314.tmpC:\Users\Admin\AppData\Local\Temp\kat4314.tmp2⤵
- Checks computer location settings
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat4314.tmp" & rd /s /q "C:\ProgramData\AKJDGDGDHDGD" & exit3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- Delays execution with timeout.exe
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\kat4314.tmpFilesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f
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memory/3452-57-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/3452-22-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/3452-8-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/3452-73-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/3452-25-0x00000000201D0000-0x000000002042F000-memory.dmpFilesize
2.4MB
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memory/3452-10-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/3452-70-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/3452-23-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/3452-4-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/3452-40-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/3452-41-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/3452-69-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/3452-58-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/4972-0-0x00000000007F0000-0x00000000007F1000-memory.dmpFilesize
4KB
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memory/4972-2-0x0000000004000000-0x0000000004110000-memory.dmpFilesize
1.1MB
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memory/4972-9-0x0000000000400000-0x0000000000635000-memory.dmpFilesize
2.2MB