Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
29-06-2024 00:58
Static task
static1
Behavioral task
behavioral1
Sample
bc48fcd5930360730917e91926f1291a29040cdc5aa8299863ee8d2d1e00ff79.exe
Resource
win10v2004-20240508-en
General
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Target
bc48fcd5930360730917e91926f1291a29040cdc5aa8299863ee8d2d1e00ff79.exe
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Size
2.2MB
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MD5
678de29625b73eaed2ac0b1b7ee45a8f
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SHA1
0bc71d5cda583b96fc9cc2525fd2fe7d329f1dc8
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SHA256
bc48fcd5930360730917e91926f1291a29040cdc5aa8299863ee8d2d1e00ff79
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SHA512
16026d97d034b297f57889b3723e09eecf4fa95648d71e30cc03874091929f5376ade59d521158e62da79d35fd81c0ccb737772364ff8fb33ec952b93514ce6c
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SSDEEP
49152:qpjNvr9ySAOmw4NHHO+SASagXkJr4MDkUwm:qpjNp7p4NHH8n5A
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/60-1-0x00000000040B0000-0x00000000041C0000-memory.dmp family_vidar_v7 behavioral1/memory/1652-8-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1652-10-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1652-4-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1652-22-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1652-23-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1652-40-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1652-41-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1652-57-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1652-58-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1652-69-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1652-70-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1652-71-0x0000000000400000-0x0000000000648000-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:
kat4631.tmpdescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation kat4631.tmp -
Executes dropped EXE 1 IoCs
Processes:
kat4631.tmppid process 1652 kat4631.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:
bc48fcd5930360730917e91926f1291a29040cdc5aa8299863ee8d2d1e00ff79.exedescription pid process target process PID 60 set thread context of 1652 60 bc48fcd5930360730917e91926f1291a29040cdc5aa8299863ee8d2d1e00ff79.exe kat4631.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:
kat4631.tmpdescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 kat4631.tmp Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat4631.tmp -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 3480 timeout.exe -
Processes:
kat4631.tmpdescription ioc process Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\2796BAE63F1801E277261BA0D77770028F20EEE4\Blob = 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 kat4631.tmp Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\2796BAE63F1801E277261BA0D77770028F20EEE4 kat4631.tmp -
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
kat4631.tmppid process 1652 kat4631.tmp 1652 kat4631.tmp 1652 kat4631.tmp 1652 kat4631.tmp 1652 kat4631.tmp 1652 kat4631.tmp 1652 kat4631.tmp 1652 kat4631.tmp -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
bc48fcd5930360730917e91926f1291a29040cdc5aa8299863ee8d2d1e00ff79.exekat4631.tmpcmd.exedescription pid process target process PID 60 wrote to memory of 1652 60 bc48fcd5930360730917e91926f1291a29040cdc5aa8299863ee8d2d1e00ff79.exe kat4631.tmp PID 60 wrote to memory of 1652 60 bc48fcd5930360730917e91926f1291a29040cdc5aa8299863ee8d2d1e00ff79.exe kat4631.tmp PID 60 wrote to memory of 1652 60 bc48fcd5930360730917e91926f1291a29040cdc5aa8299863ee8d2d1e00ff79.exe kat4631.tmp PID 60 wrote to memory of 1652 60 bc48fcd5930360730917e91926f1291a29040cdc5aa8299863ee8d2d1e00ff79.exe kat4631.tmp PID 60 wrote to memory of 1652 60 bc48fcd5930360730917e91926f1291a29040cdc5aa8299863ee8d2d1e00ff79.exe kat4631.tmp PID 60 wrote to memory of 1652 60 bc48fcd5930360730917e91926f1291a29040cdc5aa8299863ee8d2d1e00ff79.exe kat4631.tmp PID 60 wrote to memory of 1652 60 bc48fcd5930360730917e91926f1291a29040cdc5aa8299863ee8d2d1e00ff79.exe kat4631.tmp PID 60 wrote to memory of 1652 60 bc48fcd5930360730917e91926f1291a29040cdc5aa8299863ee8d2d1e00ff79.exe kat4631.tmp PID 1652 wrote to memory of 4548 1652 kat4631.tmp cmd.exe PID 1652 wrote to memory of 4548 1652 kat4631.tmp cmd.exe PID 1652 wrote to memory of 4548 1652 kat4631.tmp cmd.exe PID 4548 wrote to memory of 3480 4548 cmd.exe timeout.exe PID 4548 wrote to memory of 3480 4548 cmd.exe timeout.exe PID 4548 wrote to memory of 3480 4548 cmd.exe timeout.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\bc48fcd5930360730917e91926f1291a29040cdc5aa8299863ee8d2d1e00ff79.exe"C:\Users\Admin\AppData\Local\Temp\bc48fcd5930360730917e91926f1291a29040cdc5aa8299863ee8d2d1e00ff79.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:60 -
C:\Users\Admin\AppData\Local\Temp\kat4631.tmpC:\Users\Admin\AppData\Local\Temp\kat4631.tmp2⤵
- Checks computer location settings
- Executes dropped EXE
- Checks processor information in registry
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1652 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat4631.tmp" & rd /s /q "C:\ProgramData\HCBGDGCAAKJE" & exit3⤵
- Suspicious use of WriteProcessMemory
PID:4548 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- Delays execution with timeout.exe
PID:3480
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f