Analysis
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max time kernel
134s -
max time network
302s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
30/05/2024, 23:03
Static task
static1
Behavioral task
behavioral1
Sample
69aab45844cc57b7b4a576e040cbf16118721b6f34b43b85ae1221729c4e4621.exe
Resource
win7-20240221-en
General
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Target
69aab45844cc57b7b4a576e040cbf16118721b6f34b43b85ae1221729c4e4621.exe
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Size
2.0MB
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MD5
5a957eaa9f5991b0ccdfc0a809a66cd6
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SHA1
c54a87f741caa828b7be696a14627c11d1c9b797
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SHA256
69aab45844cc57b7b4a576e040cbf16118721b6f34b43b85ae1221729c4e4621
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SHA512
b882ed2bdacdb756bcbce2bb7c2645b4335730aa85698f270689d01069612d81a5629ea0c197fea0ca8522579fbb1f79e81adca302c2a423fce3d9aac0a9aa48
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SSDEEP
49152:eqtdPVosJEEz/+VHA58ljrIY+96lJS9bZ:e6d9fJVc7jvedZ
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 8 IoCs
resource yara_rule behavioral2/memory/4140-2-0x0000000003EB0000-0x0000000003FFC000-memory.dmp family_vidar_v7 behavioral2/memory/4332-4-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/4332-10-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/4332-8-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/4332-25-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/4332-26-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/4332-43-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/4332-44-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
pid Process 4332 kat7C06.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
description pid Process procid_target PID 4140 set thread context of 4332 4140 69aab45844cc57b7b4a576e040cbf16118721b6f34b43b85ae1221729c4e4621.exe 73 -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat7C06.tmp -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4332 kat7C06.tmp 4332 kat7C06.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4140 wrote to memory of 4332 4140 69aab45844cc57b7b4a576e040cbf16118721b6f34b43b85ae1221729c4e4621.exe 73 PID 4140 wrote to memory of 4332 4140 69aab45844cc57b7b4a576e040cbf16118721b6f34b43b85ae1221729c4e4621.exe 73 PID 4140 wrote to memory of 4332 4140 69aab45844cc57b7b4a576e040cbf16118721b6f34b43b85ae1221729c4e4621.exe 73 PID 4140 wrote to memory of 4332 4140 69aab45844cc57b7b4a576e040cbf16118721b6f34b43b85ae1221729c4e4621.exe 73 PID 4140 wrote to memory of 4332 4140 69aab45844cc57b7b4a576e040cbf16118721b6f34b43b85ae1221729c4e4621.exe 73 PID 4140 wrote to memory of 4332 4140 69aab45844cc57b7b4a576e040cbf16118721b6f34b43b85ae1221729c4e4621.exe 73 PID 4140 wrote to memory of 4332 4140 69aab45844cc57b7b4a576e040cbf16118721b6f34b43b85ae1221729c4e4621.exe 73 PID 4140 wrote to memory of 4332 4140 69aab45844cc57b7b4a576e040cbf16118721b6f34b43b85ae1221729c4e4621.exe 73
Processes
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C:\Users\Admin\AppData\Local\Temp\69aab45844cc57b7b4a576e040cbf16118721b6f34b43b85ae1221729c4e4621.exe"C:\Users\Admin\AppData\Local\Temp\69aab45844cc57b7b4a576e040cbf16118721b6f34b43b85ae1221729c4e4621.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4140 -
C:\Users\Admin\AppData\Local\Temp\kat7C06.tmpC:\Users\Admin\AppData\Local\Temp\kat7C06.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4332
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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