Analysis
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max time kernel
135s -
max time network
124s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
27-05-2024 23:59
Static task
static1
Behavioral task
behavioral1
Sample
2368b0e938ac282ed3e777770bd12d22439739dd8a43d545da37160edd694674.exe
Resource
win10v2004-20240508-en
General
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Target
2368b0e938ac282ed3e777770bd12d22439739dd8a43d545da37160edd694674.exe
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Size
1.9MB
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MD5
51120d827ab68238de2e5ac82e399af5
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SHA1
896e7ffe123e58310a0b6ccc34da01405d0256cc
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SHA256
2368b0e938ac282ed3e777770bd12d22439739dd8a43d545da37160edd694674
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SHA512
836a5d4fdd2ebe03f619ebb4579921610251007b9ef411eefd7d9cbf60b2cb98a42f8abf2ea61e5c16dca35086c33790e2d06a6129bdf2aec1c6b21860ce0781
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SSDEEP
49152:CdKfTn6vmJtTF+TxMoxc1TU+j+dAzGwlrh:CdKfTnVtIuoITsdZ
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 13 IoCs
Processes:
resource yara_rule behavioral1/memory/4084-1-0x0000000004020000-0x0000000004169000-memory.dmp family_vidar_v7 behavioral1/memory/2196-8-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2196-9-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2196-4-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2196-19-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2196-20-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2196-37-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2196-38-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2196-54-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2196-55-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2196-66-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2196-67-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2196-70-0x0000000000400000-0x0000000000646000-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:
kat48FF.tmpdescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation kat48FF.tmp -
Executes dropped EXE 1 IoCs
Processes:
kat48FF.tmppid process 2196 kat48FF.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 local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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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:
2368b0e938ac282ed3e777770bd12d22439739dd8a43d545da37160edd694674.exedescription pid process target process PID 4084 set thread context of 2196 4084 2368b0e938ac282ed3e777770bd12d22439739dd8a43d545da37160edd694674.exe kat48FF.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 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat48FF.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat48FF.tmp -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 456 timeout.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
kat48FF.tmppid process 2196 kat48FF.tmp 2196 kat48FF.tmp 2196 kat48FF.tmp 2196 kat48FF.tmp -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
2368b0e938ac282ed3e777770bd12d22439739dd8a43d545da37160edd694674.exekat48FF.tmpcmd.exedescription pid process target process PID 4084 wrote to memory of 2196 4084 2368b0e938ac282ed3e777770bd12d22439739dd8a43d545da37160edd694674.exe kat48FF.tmp PID 4084 wrote to memory of 2196 4084 2368b0e938ac282ed3e777770bd12d22439739dd8a43d545da37160edd694674.exe kat48FF.tmp PID 4084 wrote to memory of 2196 4084 2368b0e938ac282ed3e777770bd12d22439739dd8a43d545da37160edd694674.exe kat48FF.tmp PID 4084 wrote to memory of 2196 4084 2368b0e938ac282ed3e777770bd12d22439739dd8a43d545da37160edd694674.exe kat48FF.tmp PID 4084 wrote to memory of 2196 4084 2368b0e938ac282ed3e777770bd12d22439739dd8a43d545da37160edd694674.exe kat48FF.tmp PID 4084 wrote to memory of 2196 4084 2368b0e938ac282ed3e777770bd12d22439739dd8a43d545da37160edd694674.exe kat48FF.tmp PID 4084 wrote to memory of 2196 4084 2368b0e938ac282ed3e777770bd12d22439739dd8a43d545da37160edd694674.exe kat48FF.tmp PID 4084 wrote to memory of 2196 4084 2368b0e938ac282ed3e777770bd12d22439739dd8a43d545da37160edd694674.exe kat48FF.tmp PID 2196 wrote to memory of 3268 2196 kat48FF.tmp cmd.exe PID 2196 wrote to memory of 3268 2196 kat48FF.tmp cmd.exe PID 2196 wrote to memory of 3268 2196 kat48FF.tmp cmd.exe PID 3268 wrote to memory of 456 3268 cmd.exe timeout.exe PID 3268 wrote to memory of 456 3268 cmd.exe timeout.exe PID 3268 wrote to memory of 456 3268 cmd.exe timeout.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2368b0e938ac282ed3e777770bd12d22439739dd8a43d545da37160edd694674.exe"C:\Users\Admin\AppData\Local\Temp\2368b0e938ac282ed3e777770bd12d22439739dd8a43d545da37160edd694674.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4084 -
C:\Users\Admin\AppData\Local\Temp\kat48FF.tmpC:\Users\Admin\AppData\Local\Temp\kat48FF.tmp2⤵
- Checks computer location settings
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2196 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat48FF.tmp" & rd /s /q "C:\ProgramData\EGDBFIIECBGD" & exit3⤵
- Suspicious use of WriteProcessMemory
PID:3268 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- Delays execution with timeout.exe
PID:456
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\kat48FF.tmpFilesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f
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memory/2196-20-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2196-19-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2196-8-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2196-9-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2196-22-0x0000000025F60000-0x00000000261BF000-memory.dmpFilesize
2.4MB
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memory/2196-4-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2196-70-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2196-67-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2196-66-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2196-37-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2196-38-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2196-54-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2196-55-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/4084-10-0x0000000000400000-0x00000000005EC000-memory.dmpFilesize
1.9MB
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memory/4084-0-0x0000000002240000-0x0000000002241000-memory.dmpFilesize
4KB
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memory/4084-1-0x0000000004020000-0x0000000004169000-memory.dmpFilesize
1.3MB