Analysis
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max time kernel
9s -
max time network
138s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
24-05-2024 20:58
Static task
static1
Behavioral task
behavioral1
Sample
357ffba5f4063f4daec880c32c4782ecfa55caf4f4c0899062ace5376fb0fda2.exe
Resource
win10v2004-20240508-en
General
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Target
357ffba5f4063f4daec880c32c4782ecfa55caf4f4c0899062ace5376fb0fda2.exe
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Size
2.0MB
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MD5
9a7ae3f0255ca342adb1dbbecd55ce08
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SHA1
9aa1b30725347597183f6edf479b64991624eacf
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SHA256
357ffba5f4063f4daec880c32c4782ecfa55caf4f4c0899062ace5376fb0fda2
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SHA512
38436d19eee6bf4de7a6bb347811b91b0a6336649a3b735258af91c26220f27151ca4572c2b3463e23c31bcea4d84d9e695c71df78111dbcf221c944fdf568a6
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SSDEEP
49152:s4K3x1vU6JtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex186tIuoITsdZ
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 9 IoCs
Processes:
resource yara_rule behavioral2/memory/1796-1-0x00000000041F0000-0x0000000004339000-memory.dmp family_vidar_v7 behavioral2/memory/4112-9-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/4112-10-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/4112-4-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/4112-19-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/4112-20-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/4112-38-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/4112-33-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/4112-39-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 -
Executes dropped EXE 1 IoCs
Processes:
kat5FD3.tmppid process 4112 kat5FD3.tmp -
Suspicious use of SetThreadContext 1 IoCs
Processes:
357ffba5f4063f4daec880c32c4782ecfa55caf4f4c0899062ace5376fb0fda2.exedescription pid process target process PID 1796 set thread context of 4112 1796 357ffba5f4063f4daec880c32c4782ecfa55caf4f4c0899062ace5376fb0fda2.exe kat5FD3.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
357ffba5f4063f4daec880c32c4782ecfa55caf4f4c0899062ace5376fb0fda2.exedescription pid process target process PID 1796 wrote to memory of 4112 1796 357ffba5f4063f4daec880c32c4782ecfa55caf4f4c0899062ace5376fb0fda2.exe kat5FD3.tmp PID 1796 wrote to memory of 4112 1796 357ffba5f4063f4daec880c32c4782ecfa55caf4f4c0899062ace5376fb0fda2.exe kat5FD3.tmp PID 1796 wrote to memory of 4112 1796 357ffba5f4063f4daec880c32c4782ecfa55caf4f4c0899062ace5376fb0fda2.exe kat5FD3.tmp PID 1796 wrote to memory of 4112 1796 357ffba5f4063f4daec880c32c4782ecfa55caf4f4c0899062ace5376fb0fda2.exe kat5FD3.tmp PID 1796 wrote to memory of 4112 1796 357ffba5f4063f4daec880c32c4782ecfa55caf4f4c0899062ace5376fb0fda2.exe kat5FD3.tmp PID 1796 wrote to memory of 4112 1796 357ffba5f4063f4daec880c32c4782ecfa55caf4f4c0899062ace5376fb0fda2.exe kat5FD3.tmp PID 1796 wrote to memory of 4112 1796 357ffba5f4063f4daec880c32c4782ecfa55caf4f4c0899062ace5376fb0fda2.exe kat5FD3.tmp PID 1796 wrote to memory of 4112 1796 357ffba5f4063f4daec880c32c4782ecfa55caf4f4c0899062ace5376fb0fda2.exe kat5FD3.tmp
Processes
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C:\Users\Admin\AppData\Local\Temp\357ffba5f4063f4daec880c32c4782ecfa55caf4f4c0899062ace5376fb0fda2.exe"C:\Users\Admin\AppData\Local\Temp\357ffba5f4063f4daec880c32c4782ecfa55caf4f4c0899062ace5376fb0fda2.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\kat5FD3.tmpC:\Users\Admin\AppData\Local\Temp\kat5FD3.tmp2⤵
- Executes dropped EXE
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\kat5FD3.tmpFilesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f
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memory/1796-8-0x0000000000400000-0x000000000060C000-memory.dmpFilesize
2.0MB
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memory/1796-1-0x00000000041F0000-0x0000000004339000-memory.dmpFilesize
1.3MB
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memory/1796-0-0x00000000024B0000-0x00000000024B1000-memory.dmpFilesize
4KB
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memory/4112-4-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/4112-10-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/4112-9-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/4112-19-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/4112-20-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/4112-22-0x000000001DC80000-0x000000001DEDF000-memory.dmpFilesize
2.4MB
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memory/4112-38-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/4112-33-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/4112-39-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB