Analysis
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max time kernel
149s -
max time network
151s -
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 07:56
Static task
static1
Behavioral task
behavioral1
Sample
5e766515d5254180a17d8bde748e2dd2d9c6ed4222f2c0a7e9bf6138bbbf893e.exe
Resource
win10v2004-20240508-en
General
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Target
5e766515d5254180a17d8bde748e2dd2d9c6ed4222f2c0a7e9bf6138bbbf893e.exe
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Size
2.0MB
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MD5
700452ada081a1a15e3f25ca6b6fc1c5
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SHA1
7bf5ca1d2a8a17dbe9ca33dfabf92acc105a2ad7
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SHA256
5e766515d5254180a17d8bde748e2dd2d9c6ed4222f2c0a7e9bf6138bbbf893e
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SHA512
5fe30454b3625ffd5dcbf4923b42d6939c23d55c39f898d78ae6d745f8027082cca2e3c52d00419fbd6c6437c30ec263969e62ff54f937ca71f827b0c9a7f8bc
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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/4732-1-0x0000000004130000-0x0000000004279000-memory.dmp family_vidar_v7 behavioral1/memory/4380-4-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/4380-8-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/4380-10-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/4380-19-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/4380-20-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/4380-37-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/4380-38-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
kat4268.tmppid process 4380 kat4268.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:
5e766515d5254180a17d8bde748e2dd2d9c6ed4222f2c0a7e9bf6138bbbf893e.exedescription pid process target process PID 4732 set thread context of 4380 4732 5e766515d5254180a17d8bde748e2dd2d9c6ed4222f2c0a7e9bf6138bbbf893e.exe kat4268.tmp -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat4268.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat4268.tmp -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
kat4268.tmppid process 4380 kat4268.tmp 4380 kat4268.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
5e766515d5254180a17d8bde748e2dd2d9c6ed4222f2c0a7e9bf6138bbbf893e.exedescription pid process target process PID 4732 wrote to memory of 4380 4732 5e766515d5254180a17d8bde748e2dd2d9c6ed4222f2c0a7e9bf6138bbbf893e.exe kat4268.tmp PID 4732 wrote to memory of 4380 4732 5e766515d5254180a17d8bde748e2dd2d9c6ed4222f2c0a7e9bf6138bbbf893e.exe kat4268.tmp PID 4732 wrote to memory of 4380 4732 5e766515d5254180a17d8bde748e2dd2d9c6ed4222f2c0a7e9bf6138bbbf893e.exe kat4268.tmp PID 4732 wrote to memory of 4380 4732 5e766515d5254180a17d8bde748e2dd2d9c6ed4222f2c0a7e9bf6138bbbf893e.exe kat4268.tmp PID 4732 wrote to memory of 4380 4732 5e766515d5254180a17d8bde748e2dd2d9c6ed4222f2c0a7e9bf6138bbbf893e.exe kat4268.tmp PID 4732 wrote to memory of 4380 4732 5e766515d5254180a17d8bde748e2dd2d9c6ed4222f2c0a7e9bf6138bbbf893e.exe kat4268.tmp PID 4732 wrote to memory of 4380 4732 5e766515d5254180a17d8bde748e2dd2d9c6ed4222f2c0a7e9bf6138bbbf893e.exe kat4268.tmp PID 4732 wrote to memory of 4380 4732 5e766515d5254180a17d8bde748e2dd2d9c6ed4222f2c0a7e9bf6138bbbf893e.exe kat4268.tmp
Processes
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C:\Users\Admin\AppData\Local\Temp\5e766515d5254180a17d8bde748e2dd2d9c6ed4222f2c0a7e9bf6138bbbf893e.exe"C:\Users\Admin\AppData\Local\Temp\5e766515d5254180a17d8bde748e2dd2d9c6ed4222f2c0a7e9bf6138bbbf893e.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4732 -
C:\Users\Admin\AppData\Local\Temp\kat4268.tmpC:\Users\Admin\AppData\Local\Temp\kat4268.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4380
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\kat4268.tmpFilesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f
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memory/4380-4-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/4380-8-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/4380-10-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/4380-19-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/4380-20-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/4380-22-0x0000000028450000-0x00000000286AF000-memory.dmpFilesize
2.4MB
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memory/4380-37-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/4380-38-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/4732-0-0x0000000002390000-0x0000000002391000-memory.dmpFilesize
4KB
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memory/4732-1-0x0000000004130000-0x0000000004279000-memory.dmpFilesize
1.3MB
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memory/4732-9-0x0000000000400000-0x000000000060C000-memory.dmpFilesize
2.0MB