Analysis
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max time kernel
195s -
max time network
255s -
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 01:10
Static task
static1
Behavioral task
behavioral1
Sample
ba25b560ebdd410dfe51ab41b5a7ccbecd3d3491ab556a47e747683c22552d2c.exe
Resource
win7-20240508-en
General
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Target
ba25b560ebdd410dfe51ab41b5a7ccbecd3d3491ab556a47e747683c22552d2c.exe
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Size
2.4MB
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MD5
c195f865edc7bafe41a46abf49a51d92
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SHA1
dd5def2ab5fa5470ee67f2b2bb840a41679381f1
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SHA256
ba25b560ebdd410dfe51ab41b5a7ccbecd3d3491ab556a47e747683c22552d2c
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SHA512
5e44ac1490da7a91313de1a8a8a38c4a5f941beba3bbb83e2b3a4ecc1e21ce0556150108468582097f7e39c2cb8f61749eb41b517c635e142e2f208356bbd432
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SSDEEP
49152:wQc81KnB/a/hNT/dFYa8aesY3Ot4N7G/:wDta/hNT/dFn0etD/
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
Processes:
resource yara_rule behavioral2/memory/1180-10-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/1180-8-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/1180-4-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/2796-2-0x0000000003FF0000-0x000000000413C000-memory.dmp family_vidar_v7 behavioral2/memory/1180-16-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/1180-33-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/1180-34-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/1180-42-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
kat6448.tmppid process 1180 kat6448.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:
ba25b560ebdd410dfe51ab41b5a7ccbecd3d3491ab556a47e747683c22552d2c.exedescription pid process target process PID 2796 set thread context of 1180 2796 ba25b560ebdd410dfe51ab41b5a7ccbecd3d3491ab556a47e747683c22552d2c.exe kat6448.tmp -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat6448.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat6448.tmp -
Suspicious behavior: EnumeratesProcesses 10 IoCs
Processes:
kat6448.tmppid process 1180 kat6448.tmp 1180 kat6448.tmp 1180 kat6448.tmp 1180 kat6448.tmp 1180 kat6448.tmp 1180 kat6448.tmp 1180 kat6448.tmp 1180 kat6448.tmp 1180 kat6448.tmp 1180 kat6448.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
ba25b560ebdd410dfe51ab41b5a7ccbecd3d3491ab556a47e747683c22552d2c.exedescription pid process target process PID 2796 wrote to memory of 1180 2796 ba25b560ebdd410dfe51ab41b5a7ccbecd3d3491ab556a47e747683c22552d2c.exe kat6448.tmp PID 2796 wrote to memory of 1180 2796 ba25b560ebdd410dfe51ab41b5a7ccbecd3d3491ab556a47e747683c22552d2c.exe kat6448.tmp PID 2796 wrote to memory of 1180 2796 ba25b560ebdd410dfe51ab41b5a7ccbecd3d3491ab556a47e747683c22552d2c.exe kat6448.tmp PID 2796 wrote to memory of 1180 2796 ba25b560ebdd410dfe51ab41b5a7ccbecd3d3491ab556a47e747683c22552d2c.exe kat6448.tmp PID 2796 wrote to memory of 1180 2796 ba25b560ebdd410dfe51ab41b5a7ccbecd3d3491ab556a47e747683c22552d2c.exe kat6448.tmp PID 2796 wrote to memory of 1180 2796 ba25b560ebdd410dfe51ab41b5a7ccbecd3d3491ab556a47e747683c22552d2c.exe kat6448.tmp PID 2796 wrote to memory of 1180 2796 ba25b560ebdd410dfe51ab41b5a7ccbecd3d3491ab556a47e747683c22552d2c.exe kat6448.tmp PID 2796 wrote to memory of 1180 2796 ba25b560ebdd410dfe51ab41b5a7ccbecd3d3491ab556a47e747683c22552d2c.exe kat6448.tmp
Processes
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C:\Users\Admin\AppData\Local\Temp\ba25b560ebdd410dfe51ab41b5a7ccbecd3d3491ab556a47e747683c22552d2c.exe"C:\Users\Admin\AppData\Local\Temp\ba25b560ebdd410dfe51ab41b5a7ccbecd3d3491ab556a47e747683c22552d2c.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2796 -
C:\Users\Admin\AppData\Local\Temp\kat6448.tmpC:\Users\Admin\AppData\Local\Temp\kat6448.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:1180
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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