Analysis
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max time kernel
90s -
max time network
126s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
30-06-2024 08:38
Static task
static1
Behavioral task
behavioral1
Sample
080adacf956f6fe914ae09b2d535db1c252fa1ff1d80643d76eab7a1182a3be5.exe
Resource
win10v2004-20240611-en
General
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Target
080adacf956f6fe914ae09b2d535db1c252fa1ff1d80643d76eab7a1182a3be5.exe
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Size
2.2MB
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MD5
864177a0c8c33b08d69f9e03f21faec1
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SHA1
4099f949c0673025e05a093e734a04e09d9b3e1b
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SHA256
080adacf956f6fe914ae09b2d535db1c252fa1ff1d80643d76eab7a1182a3be5
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SHA512
3c7e9826fabbcef49150dc19842643eb9e866f18333ed80cdd3482ae44391ffac95dd4cc5afc219f8ed26a2bc49aa786ffcc23356293979f16be83a9eb322399
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SSDEEP
49152:qpjNvr9ySAOmw4pHHO+SASagXkJr4MDkUwm:qpjNp7p4pHH8n5A
Malware Config
Extracted
vidar
https://t.me/g067n
https://steamcommunity.com/profiles/76561199707802586
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0
Signatures
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Detect Vidar Stealer 8 IoCs
Processes:
resource yara_rule behavioral2/memory/2392-1-0x0000000004010000-0x0000000004120000-memory.dmp family_vidar_v7 behavioral2/memory/4936-9-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/4936-8-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/4936-4-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/4936-24-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/4936-25-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/4936-42-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/4936-43-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
kat5256.tmppid process 4936 kat5256.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:
080adacf956f6fe914ae09b2d535db1c252fa1ff1d80643d76eab7a1182a3be5.exedescription pid process target process PID 2392 set thread context of 4936 2392 080adacf956f6fe914ae09b2d535db1c252fa1ff1d80643d76eab7a1182a3be5.exe kat5256.tmp -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat5256.tmpdescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 kat5256.tmp Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat5256.tmp -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
kat5256.tmppid process 4936 kat5256.tmp 4936 kat5256.tmp 4936 kat5256.tmp 4936 kat5256.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
080adacf956f6fe914ae09b2d535db1c252fa1ff1d80643d76eab7a1182a3be5.exedescription pid process target process PID 2392 wrote to memory of 4936 2392 080adacf956f6fe914ae09b2d535db1c252fa1ff1d80643d76eab7a1182a3be5.exe kat5256.tmp PID 2392 wrote to memory of 4936 2392 080adacf956f6fe914ae09b2d535db1c252fa1ff1d80643d76eab7a1182a3be5.exe kat5256.tmp PID 2392 wrote to memory of 4936 2392 080adacf956f6fe914ae09b2d535db1c252fa1ff1d80643d76eab7a1182a3be5.exe kat5256.tmp PID 2392 wrote to memory of 4936 2392 080adacf956f6fe914ae09b2d535db1c252fa1ff1d80643d76eab7a1182a3be5.exe kat5256.tmp PID 2392 wrote to memory of 4936 2392 080adacf956f6fe914ae09b2d535db1c252fa1ff1d80643d76eab7a1182a3be5.exe kat5256.tmp PID 2392 wrote to memory of 4936 2392 080adacf956f6fe914ae09b2d535db1c252fa1ff1d80643d76eab7a1182a3be5.exe kat5256.tmp PID 2392 wrote to memory of 4936 2392 080adacf956f6fe914ae09b2d535db1c252fa1ff1d80643d76eab7a1182a3be5.exe kat5256.tmp PID 2392 wrote to memory of 4936 2392 080adacf956f6fe914ae09b2d535db1c252fa1ff1d80643d76eab7a1182a3be5.exe kat5256.tmp
Processes
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C:\Users\Admin\AppData\Local\Temp\080adacf956f6fe914ae09b2d535db1c252fa1ff1d80643d76eab7a1182a3be5.exe"C:\Users\Admin\AppData\Local\Temp\080adacf956f6fe914ae09b2d535db1c252fa1ff1d80643d76eab7a1182a3be5.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\kat5256.tmpC:\Users\Admin\AppData\Local\Temp\kat5256.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\kat5256.tmpFilesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f
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memory/2392-0-0x00000000024A0000-0x00000000024A1000-memory.dmpFilesize
4KB
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memory/2392-1-0x0000000004010000-0x0000000004120000-memory.dmpFilesize
1.1MB
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memory/2392-10-0x0000000000400000-0x0000000000635000-memory.dmpFilesize
2.2MB
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memory/4936-9-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/4936-8-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/4936-4-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/4936-24-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/4936-25-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/4936-27-0x000000002F6A0000-0x000000002F8FF000-memory.dmpFilesize
2.4MB
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memory/4936-42-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/4936-43-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB