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
26-05-2024 20:04
Static task
static1
Behavioral task
behavioral1
Sample
d89896bd803c9124b8072a1cce087f285a602a5ccd3fb336875f61c24f8d1efc.exe
Resource
win10v2004-20240508-en
General
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Target
d89896bd803c9124b8072a1cce087f285a602a5ccd3fb336875f61c24f8d1efc.exe
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Size
2.0MB
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MD5
8db3b6439ee3d0b8152d67d24db349c4
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SHA1
a6791899346dc49c9913f1c1f42032690790337c
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SHA256
d89896bd803c9124b8072a1cce087f285a602a5ccd3fb336875f61c24f8d1efc
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SHA512
e2d7ae36661690e2f4555c459f6fe970522504f4789ffa2ae1685948798357ffb2bd7e7bcbdb4beb7a1c0b09a9091951accb47723d114bc11dc0e4884d1a8ee7
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SSDEEP
49152:OePpQEpJtTF+TxMoxc1TU+j+dAzGwlrh:OePpQEptIuoITsdZ
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/2792-1-0x0000000004040000-0x0000000004189000-memory.dmp family_vidar_v7 behavioral1/memory/1472-10-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/1472-8-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/1472-4-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/1472-14-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/1472-15-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/1472-32-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/1472-33-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
kat5534.tmppid process 1472 kat5534.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:
d89896bd803c9124b8072a1cce087f285a602a5ccd3fb336875f61c24f8d1efc.exedescription pid process target process PID 2792 set thread context of 1472 2792 d89896bd803c9124b8072a1cce087f285a602a5ccd3fb336875f61c24f8d1efc.exe kat5534.tmp -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat5534.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat5534.tmp -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
kat5534.tmppid process 1472 kat5534.tmp 1472 kat5534.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
d89896bd803c9124b8072a1cce087f285a602a5ccd3fb336875f61c24f8d1efc.exedescription pid process target process PID 2792 wrote to memory of 1472 2792 d89896bd803c9124b8072a1cce087f285a602a5ccd3fb336875f61c24f8d1efc.exe kat5534.tmp PID 2792 wrote to memory of 1472 2792 d89896bd803c9124b8072a1cce087f285a602a5ccd3fb336875f61c24f8d1efc.exe kat5534.tmp PID 2792 wrote to memory of 1472 2792 d89896bd803c9124b8072a1cce087f285a602a5ccd3fb336875f61c24f8d1efc.exe kat5534.tmp PID 2792 wrote to memory of 1472 2792 d89896bd803c9124b8072a1cce087f285a602a5ccd3fb336875f61c24f8d1efc.exe kat5534.tmp PID 2792 wrote to memory of 1472 2792 d89896bd803c9124b8072a1cce087f285a602a5ccd3fb336875f61c24f8d1efc.exe kat5534.tmp PID 2792 wrote to memory of 1472 2792 d89896bd803c9124b8072a1cce087f285a602a5ccd3fb336875f61c24f8d1efc.exe kat5534.tmp PID 2792 wrote to memory of 1472 2792 d89896bd803c9124b8072a1cce087f285a602a5ccd3fb336875f61c24f8d1efc.exe kat5534.tmp PID 2792 wrote to memory of 1472 2792 d89896bd803c9124b8072a1cce087f285a602a5ccd3fb336875f61c24f8d1efc.exe kat5534.tmp
Processes
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C:\Users\Admin\AppData\Local\Temp\d89896bd803c9124b8072a1cce087f285a602a5ccd3fb336875f61c24f8d1efc.exe"C:\Users\Admin\AppData\Local\Temp\d89896bd803c9124b8072a1cce087f285a602a5ccd3fb336875f61c24f8d1efc.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2792 -
C:\Users\Admin\AppData\Local\Temp\kat5534.tmpC:\Users\Admin\AppData\Local\Temp\kat5534.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:1472
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\kat5534.tmpFilesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f
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memory/1472-10-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/1472-8-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/1472-4-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/1472-14-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/1472-15-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/1472-17-0x000000001B7C0000-0x000000001BA1F000-memory.dmpFilesize
2.4MB
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memory/1472-32-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/1472-33-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2792-0-0x0000000002270000-0x0000000002271000-memory.dmpFilesize
4KB
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memory/2792-1-0x0000000004040000-0x0000000004189000-memory.dmpFilesize
1.3MB
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memory/2792-9-0x0000000000400000-0x0000000000612000-memory.dmpFilesize
2.1MB