Analysis
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max time kernel
147s -
max time network
151s -
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 22:50
Static task
static1
Behavioral task
behavioral1
Sample
4d56630ed639249f3fcfa711a62b66db02d4d6611e3288844a1e5332c2294a19.exe
Resource
win10v2004-20240508-en
General
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Target
4d56630ed639249f3fcfa711a62b66db02d4d6611e3288844a1e5332c2294a19.exe
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Size
2.2MB
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MD5
2ad19be3e19c417604059b4f7b13ac4f
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SHA1
2d3d14d48e47cd0c5e88897a50248989e673040a
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SHA256
4d56630ed639249f3fcfa711a62b66db02d4d6611e3288844a1e5332c2294a19
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SHA512
f4fd9809cfc80f17de272057de67d7b6ac3a05211b23671c30f554f1bc2427efed001f47687e86292507165eea4a3fa10ec7f39667135bd52fff97e801e96b9b
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SSDEEP
24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgX/NU2MZQti1u8LnsDJY6WpEYGYG:UJ0hsA91MPa21tuuIeNHYGY0LzjsJxK
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/1464-2-0x0000000004160000-0x0000000004273000-memory.dmp family_vidar_v7 behavioral1/memory/2240-4-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/2240-10-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/2240-8-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/2240-11-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/2240-12-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/2240-14-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/2240-13-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/2240-15-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
kat49F9.tmpdescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation kat49F9.tmp -
Executes dropped EXE 1 IoCs
Processes:
kat49F9.tmppid process 2240 kat49F9.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:
4d56630ed639249f3fcfa711a62b66db02d4d6611e3288844a1e5332c2294a19.exedescription pid process target process PID 1464 set thread context of 2240 1464 4d56630ed639249f3fcfa711a62b66db02d4d6611e3288844a1e5332c2294a19.exe kat49F9.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:
kat49F9.tmpdescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 kat49F9.tmp Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat49F9.tmp -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 1168 timeout.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
kat49F9.tmppid process 2240 kat49F9.tmp 2240 kat49F9.tmp 2240 kat49F9.tmp 2240 kat49F9.tmp 2240 kat49F9.tmp 2240 kat49F9.tmp -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
4d56630ed639249f3fcfa711a62b66db02d4d6611e3288844a1e5332c2294a19.exekat49F9.tmpcmd.exedescription pid process target process PID 1464 wrote to memory of 2240 1464 4d56630ed639249f3fcfa711a62b66db02d4d6611e3288844a1e5332c2294a19.exe kat49F9.tmp PID 1464 wrote to memory of 2240 1464 4d56630ed639249f3fcfa711a62b66db02d4d6611e3288844a1e5332c2294a19.exe kat49F9.tmp PID 1464 wrote to memory of 2240 1464 4d56630ed639249f3fcfa711a62b66db02d4d6611e3288844a1e5332c2294a19.exe kat49F9.tmp PID 1464 wrote to memory of 2240 1464 4d56630ed639249f3fcfa711a62b66db02d4d6611e3288844a1e5332c2294a19.exe kat49F9.tmp PID 1464 wrote to memory of 2240 1464 4d56630ed639249f3fcfa711a62b66db02d4d6611e3288844a1e5332c2294a19.exe kat49F9.tmp PID 1464 wrote to memory of 2240 1464 4d56630ed639249f3fcfa711a62b66db02d4d6611e3288844a1e5332c2294a19.exe kat49F9.tmp PID 1464 wrote to memory of 2240 1464 4d56630ed639249f3fcfa711a62b66db02d4d6611e3288844a1e5332c2294a19.exe kat49F9.tmp PID 1464 wrote to memory of 2240 1464 4d56630ed639249f3fcfa711a62b66db02d4d6611e3288844a1e5332c2294a19.exe kat49F9.tmp PID 2240 wrote to memory of 1132 2240 kat49F9.tmp cmd.exe PID 2240 wrote to memory of 1132 2240 kat49F9.tmp cmd.exe PID 2240 wrote to memory of 1132 2240 kat49F9.tmp cmd.exe PID 1132 wrote to memory of 1168 1132 cmd.exe timeout.exe PID 1132 wrote to memory of 1168 1132 cmd.exe timeout.exe PID 1132 wrote to memory of 1168 1132 cmd.exe timeout.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4d56630ed639249f3fcfa711a62b66db02d4d6611e3288844a1e5332c2294a19.exe"C:\Users\Admin\AppData\Local\Temp\4d56630ed639249f3fcfa711a62b66db02d4d6611e3288844a1e5332c2294a19.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\kat49F9.tmpC:\Users\Admin\AppData\Local\Temp\kat49F9.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\kat49F9.tmp" & rd /s /q "C:\ProgramData\FCAFIJJJKEGI" & 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\kat49F9.tmpFilesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f
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memory/1464-0-0x00000000023F0000-0x00000000023F1000-memory.dmpFilesize
4KB
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memory/1464-2-0x0000000004160000-0x0000000004273000-memory.dmpFilesize
1.1MB
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memory/1464-9-0x0000000000400000-0x0000000000641000-memory.dmpFilesize
2.3MB
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memory/2240-4-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/2240-10-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/2240-8-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/2240-11-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/2240-12-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/2240-14-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/2240-13-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/2240-15-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB