Analysis
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max time kernel
134s -
max time network
123s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
24-05-2024 19:57
Static task
static1
Behavioral task
behavioral1
Sample
48e996f104d511546acf45397bfef05eced01febe4ab48c71179bdf81f3cb755.exe
Resource
win7-20240419-en
General
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Target
48e996f104d511546acf45397bfef05eced01febe4ab48c71179bdf81f3cb755.exe
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Size
2.0MB
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MD5
63659d1b8054c262ce4c7faccc9feb63
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SHA1
45b6c76e12125d44301810848f858fbe5da73aa3
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SHA256
48e996f104d511546acf45397bfef05eced01febe4ab48c71179bdf81f3cb755
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SHA512
482695fc63fb04cc1c5e0d2c99e2a28c6ed17ead692a86a50e04a5807e3598ca0e6647a2e762e99f57b91fb6c143ea41fcb1f7c503b14af966fdfeab18e7ac7c
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SSDEEP
49152:s4K3x1vUqJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18qtIuoITsdZ
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/3360-2-0x00000000041C0000-0x0000000004309000-memory.dmp family_vidar_v7 behavioral2/memory/3352-4-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/3352-8-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/3352-9-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/3352-17-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/3352-18-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/3352-35-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/3352-36-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
kat38A4.tmppid process 3352 kat38A4.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:
48e996f104d511546acf45397bfef05eced01febe4ab48c71179bdf81f3cb755.exedescription pid process target process PID 3360 set thread context of 3352 3360 48e996f104d511546acf45397bfef05eced01febe4ab48c71179bdf81f3cb755.exe kat38A4.tmp -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat38A4.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat38A4.tmp -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
kat38A4.tmppid process 3352 kat38A4.tmp 3352 kat38A4.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
48e996f104d511546acf45397bfef05eced01febe4ab48c71179bdf81f3cb755.exedescription pid process target process PID 3360 wrote to memory of 3352 3360 48e996f104d511546acf45397bfef05eced01febe4ab48c71179bdf81f3cb755.exe kat38A4.tmp PID 3360 wrote to memory of 3352 3360 48e996f104d511546acf45397bfef05eced01febe4ab48c71179bdf81f3cb755.exe kat38A4.tmp PID 3360 wrote to memory of 3352 3360 48e996f104d511546acf45397bfef05eced01febe4ab48c71179bdf81f3cb755.exe kat38A4.tmp PID 3360 wrote to memory of 3352 3360 48e996f104d511546acf45397bfef05eced01febe4ab48c71179bdf81f3cb755.exe kat38A4.tmp PID 3360 wrote to memory of 3352 3360 48e996f104d511546acf45397bfef05eced01febe4ab48c71179bdf81f3cb755.exe kat38A4.tmp PID 3360 wrote to memory of 3352 3360 48e996f104d511546acf45397bfef05eced01febe4ab48c71179bdf81f3cb755.exe kat38A4.tmp PID 3360 wrote to memory of 3352 3360 48e996f104d511546acf45397bfef05eced01febe4ab48c71179bdf81f3cb755.exe kat38A4.tmp PID 3360 wrote to memory of 3352 3360 48e996f104d511546acf45397bfef05eced01febe4ab48c71179bdf81f3cb755.exe kat38A4.tmp
Processes
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C:\Users\Admin\AppData\Local\Temp\48e996f104d511546acf45397bfef05eced01febe4ab48c71179bdf81f3cb755.exe"C:\Users\Admin\AppData\Local\Temp\48e996f104d511546acf45397bfef05eced01febe4ab48c71179bdf81f3cb755.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3360 -
C:\Users\Admin\AppData\Local\Temp\kat38A4.tmpC:\Users\Admin\AppData\Local\Temp\kat38A4.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:3352
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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