Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
28-05-2024 01:13
Static task
static1
Behavioral task
behavioral1
Sample
2ae7aaf22ffc8e612baaaf4e78ba8d6d7c99dccc93403da9cf32a0a62b83bb2a.exe
Resource
win7-20240221-en
General
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Target
2ae7aaf22ffc8e612baaaf4e78ba8d6d7c99dccc93403da9cf32a0a62b83bb2a.exe
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Size
2.0MB
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MD5
3f553a472a3c8174add289ba76de4d1c
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SHA1
297809d81c6abaf1a2210e2a8c872479af602a10
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SHA256
2ae7aaf22ffc8e612baaaf4e78ba8d6d7c99dccc93403da9cf32a0a62b83bb2a
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SHA512
e3c05ae3c05bc5905482f1ed782948d6a4dcec7975e466c42e9ed952508b73984327beeafecc82905709f9b616162a9be99aa93ff4f54eded7d03209a0ba9adf
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SSDEEP
49152:s4K3x1vUCJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18CtIuoITsdZ
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 behavioral2/memory/860-1-0x0000000004140000-0x0000000004289000-memory.dmp family_vidar_v7 behavioral2/memory/880-4-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/880-8-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/880-10-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/880-17-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/880-18-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/880-35-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/880-36-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
kat32E7.tmppid process 880 kat32E7.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:
2ae7aaf22ffc8e612baaaf4e78ba8d6d7c99dccc93403da9cf32a0a62b83bb2a.exedescription pid process target process PID 860 set thread context of 880 860 2ae7aaf22ffc8e612baaaf4e78ba8d6d7c99dccc93403da9cf32a0a62b83bb2a.exe kat32E7.tmp -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat32E7.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat32E7.tmp -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
kat32E7.tmppid process 880 kat32E7.tmp 880 kat32E7.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
2ae7aaf22ffc8e612baaaf4e78ba8d6d7c99dccc93403da9cf32a0a62b83bb2a.exedescription pid process target process PID 860 wrote to memory of 880 860 2ae7aaf22ffc8e612baaaf4e78ba8d6d7c99dccc93403da9cf32a0a62b83bb2a.exe kat32E7.tmp PID 860 wrote to memory of 880 860 2ae7aaf22ffc8e612baaaf4e78ba8d6d7c99dccc93403da9cf32a0a62b83bb2a.exe kat32E7.tmp PID 860 wrote to memory of 880 860 2ae7aaf22ffc8e612baaaf4e78ba8d6d7c99dccc93403da9cf32a0a62b83bb2a.exe kat32E7.tmp PID 860 wrote to memory of 880 860 2ae7aaf22ffc8e612baaaf4e78ba8d6d7c99dccc93403da9cf32a0a62b83bb2a.exe kat32E7.tmp PID 860 wrote to memory of 880 860 2ae7aaf22ffc8e612baaaf4e78ba8d6d7c99dccc93403da9cf32a0a62b83bb2a.exe kat32E7.tmp PID 860 wrote to memory of 880 860 2ae7aaf22ffc8e612baaaf4e78ba8d6d7c99dccc93403da9cf32a0a62b83bb2a.exe kat32E7.tmp PID 860 wrote to memory of 880 860 2ae7aaf22ffc8e612baaaf4e78ba8d6d7c99dccc93403da9cf32a0a62b83bb2a.exe kat32E7.tmp PID 860 wrote to memory of 880 860 2ae7aaf22ffc8e612baaaf4e78ba8d6d7c99dccc93403da9cf32a0a62b83bb2a.exe kat32E7.tmp
Processes
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C:\Users\Admin\AppData\Local\Temp\2ae7aaf22ffc8e612baaaf4e78ba8d6d7c99dccc93403da9cf32a0a62b83bb2a.exe"C:\Users\Admin\AppData\Local\Temp\2ae7aaf22ffc8e612baaaf4e78ba8d6d7c99dccc93403da9cf32a0a62b83bb2a.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:860 -
C:\Users\Admin\AppData\Local\Temp\kat32E7.tmpC:\Users\Admin\AppData\Local\Temp\kat32E7.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:880
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\kat32E7.tmpFilesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f
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memory/860-0-0x0000000002260000-0x0000000002261000-memory.dmpFilesize
4KB
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memory/860-1-0x0000000004140000-0x0000000004289000-memory.dmpFilesize
1.3MB
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memory/860-9-0x0000000000400000-0x000000000060C000-memory.dmpFilesize
2.0MB
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memory/880-4-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/880-8-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/880-10-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/880-17-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/880-18-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/880-20-0x000000001DC50000-0x000000001DEAF000-memory.dmpFilesize
2.4MB
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memory/880-35-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/880-36-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB