Analysis
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max time kernel
40s -
max time network
49s -
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 06:46
Static task
static1
Behavioral task
behavioral1
Sample
0932e29ba80899f74b6f916e5da5616b43201fa94841cd98c84518faf678177d.exe
Resource
win10v2004-20240508-en
General
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Target
0932e29ba80899f74b6f916e5da5616b43201fa94841cd98c84518faf678177d.exe
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Size
2.2MB
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MD5
970823d5e3cdfbcd8b0a70725877d205
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SHA1
86c73cf3a7f541f04cb5afe2668a2bd846fa7a06
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SHA256
0932e29ba80899f74b6f916e5da5616b43201fa94841cd98c84518faf678177d
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SHA512
0b38976985c02eac67ef10ed4c9cd50124a577f6f2ee027ecf3a39c55b95f9d0638cb7698921b5b4570f6aa9f06f6705f9466110a0073b5752ac37058669b7cc
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SSDEEP
49152:qpjNvr9ySAOmw4FHHO+SASagXkJr4MDkUwm:qpjNp7p4FHH8n5A
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 behavioral1/memory/3404-2-0x0000000004010000-0x0000000004120000-memory.dmp family_vidar_v7 behavioral1/memory/4980-8-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/4980-10-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/4980-4-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/4980-11-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/4980-12-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/4980-13-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/4980-14-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/4980-17-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
kat514C.tmpdescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation kat514C.tmp -
Executes dropped EXE 1 IoCs
Processes:
kat514C.tmppid process 4980 kat514C.tmp -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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:
0932e29ba80899f74b6f916e5da5616b43201fa94841cd98c84518faf678177d.exedescription pid process target process PID 3404 set thread context of 4980 3404 0932e29ba80899f74b6f916e5da5616b43201fa94841cd98c84518faf678177d.exe kat514C.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:
kat514C.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat514C.tmp Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 kat514C.tmp -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 1440 timeout.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
kat514C.tmppid process 4980 kat514C.tmp 4980 kat514C.tmp 4980 kat514C.tmp 4980 kat514C.tmp 4980 kat514C.tmp 4980 kat514C.tmp -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
0932e29ba80899f74b6f916e5da5616b43201fa94841cd98c84518faf678177d.exekat514C.tmpcmd.exedescription pid process target process PID 3404 wrote to memory of 4980 3404 0932e29ba80899f74b6f916e5da5616b43201fa94841cd98c84518faf678177d.exe kat514C.tmp PID 3404 wrote to memory of 4980 3404 0932e29ba80899f74b6f916e5da5616b43201fa94841cd98c84518faf678177d.exe kat514C.tmp PID 3404 wrote to memory of 4980 3404 0932e29ba80899f74b6f916e5da5616b43201fa94841cd98c84518faf678177d.exe kat514C.tmp PID 3404 wrote to memory of 4980 3404 0932e29ba80899f74b6f916e5da5616b43201fa94841cd98c84518faf678177d.exe kat514C.tmp PID 3404 wrote to memory of 4980 3404 0932e29ba80899f74b6f916e5da5616b43201fa94841cd98c84518faf678177d.exe kat514C.tmp PID 3404 wrote to memory of 4980 3404 0932e29ba80899f74b6f916e5da5616b43201fa94841cd98c84518faf678177d.exe kat514C.tmp PID 3404 wrote to memory of 4980 3404 0932e29ba80899f74b6f916e5da5616b43201fa94841cd98c84518faf678177d.exe kat514C.tmp PID 3404 wrote to memory of 4980 3404 0932e29ba80899f74b6f916e5da5616b43201fa94841cd98c84518faf678177d.exe kat514C.tmp PID 4980 wrote to memory of 4532 4980 kat514C.tmp cmd.exe PID 4980 wrote to memory of 4532 4980 kat514C.tmp cmd.exe PID 4980 wrote to memory of 4532 4980 kat514C.tmp cmd.exe PID 4532 wrote to memory of 1440 4532 cmd.exe timeout.exe PID 4532 wrote to memory of 1440 4532 cmd.exe timeout.exe PID 4532 wrote to memory of 1440 4532 cmd.exe timeout.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\0932e29ba80899f74b6f916e5da5616b43201fa94841cd98c84518faf678177d.exe"C:\Users\Admin\AppData\Local\Temp\0932e29ba80899f74b6f916e5da5616b43201fa94841cd98c84518faf678177d.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\kat514C.tmpC:\Users\Admin\AppData\Local\Temp\kat514C.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\kat514C.tmp" & rd /s /q "C:\ProgramData\BKECAEBGHDAE" & 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
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Downloads
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C:\Users\Admin\AppData\Local\Temp\kat514C.tmpFilesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f
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memory/3404-0-0x00000000022A0000-0x00000000022A1000-memory.dmpFilesize
4KB
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memory/3404-2-0x0000000004010000-0x0000000004120000-memory.dmpFilesize
1.1MB
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memory/3404-9-0x0000000000400000-0x0000000000635000-memory.dmpFilesize
2.2MB
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memory/4980-8-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/4980-10-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/4980-4-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/4980-11-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/4980-12-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/4980-13-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/4980-14-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/4980-17-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB