Analysis
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max time kernel
128s -
max time network
298s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
07-06-2024 01:39
Static task
static1
Behavioral task
behavioral1
Sample
c8c4c148c0356a259cf88fb2a718bc306e84c42e3df64013141c579c486bfc8e.exe
Resource
win7-20240221-en
General
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Target
c8c4c148c0356a259cf88fb2a718bc306e84c42e3df64013141c579c486bfc8e.exe
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Size
1.8MB
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MD5
2691a64ec30b608a5eb95fb75283521c
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SHA1
14b4f29366af6de7a0b784b0289ad8a891458874
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SHA256
c8c4c148c0356a259cf88fb2a718bc306e84c42e3df64013141c579c486bfc8e
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SHA512
9c3d17dfe4aaa6495be3d71f9d6d92cb844dcc7dbc4c1ad38feb356f0acc96c385e447ed6e45e190b3a17bc4e8a43a249355d3b0011df27dcfbf0bfcb75fe041
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SSDEEP
24576:W7YfUB7F1931tbnYaOV+rEfv0xwT3zxNOt4XigDSCuptNEynEsqqfD:W75B7FDFtbnYa8aesY3Ot4N7G/
Malware Config
Extracted
stealc
Extracted
vidar
https://t.me/ta904ek
https://steamcommunity.com/profiles/76561199695752269
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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 5 IoCs
Processes:
resource yara_rule behavioral2/memory/2392-4-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/2392-25-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/2392-26-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/2392-43-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/2392-44-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
kat1095.tmppid process 2392 kat1095.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:
c8c4c148c0356a259cf88fb2a718bc306e84c42e3df64013141c579c486bfc8e.exedescription pid process target process PID 3800 set thread context of 2392 3800 c8c4c148c0356a259cf88fb2a718bc306e84c42e3df64013141c579c486bfc8e.exe kat1095.tmp -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat1095.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat1095.tmp -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
kat1095.tmppid process 2392 kat1095.tmp 2392 kat1095.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
c8c4c148c0356a259cf88fb2a718bc306e84c42e3df64013141c579c486bfc8e.exedescription pid process target process PID 3800 wrote to memory of 2392 3800 c8c4c148c0356a259cf88fb2a718bc306e84c42e3df64013141c579c486bfc8e.exe kat1095.tmp PID 3800 wrote to memory of 2392 3800 c8c4c148c0356a259cf88fb2a718bc306e84c42e3df64013141c579c486bfc8e.exe kat1095.tmp PID 3800 wrote to memory of 2392 3800 c8c4c148c0356a259cf88fb2a718bc306e84c42e3df64013141c579c486bfc8e.exe kat1095.tmp PID 3800 wrote to memory of 2392 3800 c8c4c148c0356a259cf88fb2a718bc306e84c42e3df64013141c579c486bfc8e.exe kat1095.tmp PID 3800 wrote to memory of 2392 3800 c8c4c148c0356a259cf88fb2a718bc306e84c42e3df64013141c579c486bfc8e.exe kat1095.tmp PID 3800 wrote to memory of 2392 3800 c8c4c148c0356a259cf88fb2a718bc306e84c42e3df64013141c579c486bfc8e.exe kat1095.tmp PID 3800 wrote to memory of 2392 3800 c8c4c148c0356a259cf88fb2a718bc306e84c42e3df64013141c579c486bfc8e.exe kat1095.tmp PID 3800 wrote to memory of 2392 3800 c8c4c148c0356a259cf88fb2a718bc306e84c42e3df64013141c579c486bfc8e.exe kat1095.tmp
Processes
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C:\Users\Admin\AppData\Local\Temp\c8c4c148c0356a259cf88fb2a718bc306e84c42e3df64013141c579c486bfc8e.exe"C:\Users\Admin\AppData\Local\Temp\c8c4c148c0356a259cf88fb2a718bc306e84c42e3df64013141c579c486bfc8e.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3800 -
C:\Users\Admin\AppData\Local\Temp\kat1095.tmpC:\Users\Admin\AppData\Local\Temp\kat1095.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:2392
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f