Analysis
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max time kernel
129s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
24-05-2024 17:40
Static task
static1
Behavioral task
behavioral1
Sample
2d9d61604721582464602a7fed966dd0d90b3d1b7f999a83371f6964dd257827.exe
Resource
win10v2004-20240508-en
General
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Target
2d9d61604721582464602a7fed966dd0d90b3d1b7f999a83371f6964dd257827.exe
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Size
2.0MB
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MD5
88644907304580a45b6de29955a3fdc6
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SHA1
1e64d12c954cfd459ae9c5cdcb0481f146a77044
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SHA256
2d9d61604721582464602a7fed966dd0d90b3d1b7f999a83371f6964dd257827
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SHA512
82263c4eb0d387fa0ae8fa456eff5cefc682719c108287303f88e56bce29eb411c1944d059920a42db18a90afd2453aea7ef1615f8cfb9d0efef61a430355cd6
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SSDEEP
49152:s4K3x1vUKJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18KtIuoITsdZ
Malware Config
Extracted
stealc
Extracted
vidar
https://steamcommunity.com/profiles/76561199689717899
https://t.me/copterwin
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0
Signatures
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Detect Vidar Stealer 8 IoCs
Processes:
resource yara_rule behavioral1/memory/2312-1-0x0000000003FE0000-0x0000000004129000-memory.dmp family_vidar_v7 behavioral1/memory/2080-8-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2080-9-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2080-4-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2080-14-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2080-15-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2080-32-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2080-33-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
kat4F68.tmppid process 2080 kat4F68.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:
2d9d61604721582464602a7fed966dd0d90b3d1b7f999a83371f6964dd257827.exedescription pid process target process PID 2312 set thread context of 2080 2312 2d9d61604721582464602a7fed966dd0d90b3d1b7f999a83371f6964dd257827.exe kat4F68.tmp -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat4F68.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat4F68.tmp -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
kat4F68.tmppid process 2080 kat4F68.tmp 2080 kat4F68.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
2d9d61604721582464602a7fed966dd0d90b3d1b7f999a83371f6964dd257827.exedescription pid process target process PID 2312 wrote to memory of 2080 2312 2d9d61604721582464602a7fed966dd0d90b3d1b7f999a83371f6964dd257827.exe kat4F68.tmp PID 2312 wrote to memory of 2080 2312 2d9d61604721582464602a7fed966dd0d90b3d1b7f999a83371f6964dd257827.exe kat4F68.tmp PID 2312 wrote to memory of 2080 2312 2d9d61604721582464602a7fed966dd0d90b3d1b7f999a83371f6964dd257827.exe kat4F68.tmp PID 2312 wrote to memory of 2080 2312 2d9d61604721582464602a7fed966dd0d90b3d1b7f999a83371f6964dd257827.exe kat4F68.tmp PID 2312 wrote to memory of 2080 2312 2d9d61604721582464602a7fed966dd0d90b3d1b7f999a83371f6964dd257827.exe kat4F68.tmp PID 2312 wrote to memory of 2080 2312 2d9d61604721582464602a7fed966dd0d90b3d1b7f999a83371f6964dd257827.exe kat4F68.tmp PID 2312 wrote to memory of 2080 2312 2d9d61604721582464602a7fed966dd0d90b3d1b7f999a83371f6964dd257827.exe kat4F68.tmp PID 2312 wrote to memory of 2080 2312 2d9d61604721582464602a7fed966dd0d90b3d1b7f999a83371f6964dd257827.exe kat4F68.tmp
Processes
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C:\Users\Admin\AppData\Local\Temp\2d9d61604721582464602a7fed966dd0d90b3d1b7f999a83371f6964dd257827.exe"C:\Users\Admin\AppData\Local\Temp\2d9d61604721582464602a7fed966dd0d90b3d1b7f999a83371f6964dd257827.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2312 -
C:\Users\Admin\AppData\Local\Temp\kat4F68.tmpC:\Users\Admin\AppData\Local\Temp\kat4F68.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:2080
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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