Analysis
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max time kernel
135s -
max time network
105s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
25-05-2024 02:30
Static task
static1
Behavioral task
behavioral1
Sample
bd206be3c2fc966b284a6f6631f829f90a7e540646d14a5b07065de597714308.exe
Resource
win10v2004-20240426-en
General
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Target
bd206be3c2fc966b284a6f6631f829f90a7e540646d14a5b07065de597714308.exe
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Size
2.0MB
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MD5
73e6709fe01df95535399125422142d2
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SHA1
53ebe67acb8b83c76e43ad7df361aa34c28de20d
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SHA256
bd206be3c2fc966b284a6f6631f829f90a7e540646d14a5b07065de597714308
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SHA512
d0635fb740bd056dd2e45fa574b4b3a207f92ce72de9de3eb76bf30a4894af32afc8c3c0528388a4e37bc045946a2b04e3459b34ca0ccf80fe5b81081258662e
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SSDEEP
49152:s4K3x1vUmJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18mtIuoITsdZ
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/1416-2-0x0000000004060000-0x00000000041A9000-memory.dmp family_vidar_v7 behavioral1/memory/3104-8-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/3104-9-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/3104-4-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/3104-14-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/3104-15-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/3104-32-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/3104-33-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
kat490F.tmppid process 3104 kat490F.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:
bd206be3c2fc966b284a6f6631f829f90a7e540646d14a5b07065de597714308.exedescription pid process target process PID 1416 set thread context of 3104 1416 bd206be3c2fc966b284a6f6631f829f90a7e540646d14a5b07065de597714308.exe kat490F.tmp -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat490F.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat490F.tmp -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
kat490F.tmppid process 3104 kat490F.tmp 3104 kat490F.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
bd206be3c2fc966b284a6f6631f829f90a7e540646d14a5b07065de597714308.exedescription pid process target process PID 1416 wrote to memory of 3104 1416 bd206be3c2fc966b284a6f6631f829f90a7e540646d14a5b07065de597714308.exe kat490F.tmp PID 1416 wrote to memory of 3104 1416 bd206be3c2fc966b284a6f6631f829f90a7e540646d14a5b07065de597714308.exe kat490F.tmp PID 1416 wrote to memory of 3104 1416 bd206be3c2fc966b284a6f6631f829f90a7e540646d14a5b07065de597714308.exe kat490F.tmp PID 1416 wrote to memory of 3104 1416 bd206be3c2fc966b284a6f6631f829f90a7e540646d14a5b07065de597714308.exe kat490F.tmp PID 1416 wrote to memory of 3104 1416 bd206be3c2fc966b284a6f6631f829f90a7e540646d14a5b07065de597714308.exe kat490F.tmp PID 1416 wrote to memory of 3104 1416 bd206be3c2fc966b284a6f6631f829f90a7e540646d14a5b07065de597714308.exe kat490F.tmp PID 1416 wrote to memory of 3104 1416 bd206be3c2fc966b284a6f6631f829f90a7e540646d14a5b07065de597714308.exe kat490F.tmp PID 1416 wrote to memory of 3104 1416 bd206be3c2fc966b284a6f6631f829f90a7e540646d14a5b07065de597714308.exe kat490F.tmp
Processes
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C:\Users\Admin\AppData\Local\Temp\bd206be3c2fc966b284a6f6631f829f90a7e540646d14a5b07065de597714308.exe"C:\Users\Admin\AppData\Local\Temp\bd206be3c2fc966b284a6f6631f829f90a7e540646d14a5b07065de597714308.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\kat490F.tmpC:\Users\Admin\AppData\Local\Temp\kat490F.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\kat490F.tmpFilesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f
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memory/1416-0-0x0000000002260000-0x0000000002261000-memory.dmpFilesize
4KB
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memory/1416-2-0x0000000004060000-0x00000000041A9000-memory.dmpFilesize
1.3MB
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memory/1416-10-0x0000000000400000-0x000000000060C000-memory.dmpFilesize
2.0MB
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memory/3104-8-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/3104-9-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/3104-4-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/3104-14-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/3104-15-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/3104-18-0x000000001B730000-0x000000001B98F000-memory.dmpFilesize
2.4MB
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memory/3104-32-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/3104-33-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB