Analysis
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max time kernel
195s -
max time network
300s -
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 02:06
Static task
static1
Behavioral task
behavioral1
Sample
e24d5d7394b146d7eee88bfe747ecb7a5b922800a6b227ae603e26064ea22fd2.exe
Resource
win7-20240508-en
General
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Target
e24d5d7394b146d7eee88bfe747ecb7a5b922800a6b227ae603e26064ea22fd2.exe
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Size
2.4MB
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MD5
c8830ff5bd2fae90b6c038ef01302976
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SHA1
d8c606c6bdab1670f869af8168e0d70d290169f0
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SHA256
e24d5d7394b146d7eee88bfe747ecb7a5b922800a6b227ae603e26064ea22fd2
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SHA512
8cbd391839addb462a1b7e383d846ab40dfd176975e600c32a4b7d45ef9d24c1cb7054641779a3b9bd6a60e011cf8af8024f3e876055ecfc52c7befc1ae3a193
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SSDEEP
49152:wQc81KnB/a/hNT/dRYa8aesY3Ot4N7G/:wDta/hNT/dRn0etD/
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/3936-1-0x0000000003F20000-0x000000000406C000-memory.dmp family_vidar_v7 behavioral2/memory/3116-4-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/3116-9-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/3116-8-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/3116-16-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/3116-17-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/3116-34-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/3116-35-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
kat6A43.tmppid process 3116 kat6A43.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:
e24d5d7394b146d7eee88bfe747ecb7a5b922800a6b227ae603e26064ea22fd2.exedescription pid process target process PID 3936 set thread context of 3116 3936 e24d5d7394b146d7eee88bfe747ecb7a5b922800a6b227ae603e26064ea22fd2.exe kat6A43.tmp -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat6A43.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat6A43.tmp -
Suspicious behavior: EnumeratesProcesses 10 IoCs
Processes:
kat6A43.tmppid process 3116 kat6A43.tmp 3116 kat6A43.tmp 3116 kat6A43.tmp 3116 kat6A43.tmp 3116 kat6A43.tmp 3116 kat6A43.tmp 3116 kat6A43.tmp 3116 kat6A43.tmp 3116 kat6A43.tmp 3116 kat6A43.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
e24d5d7394b146d7eee88bfe747ecb7a5b922800a6b227ae603e26064ea22fd2.exedescription pid process target process PID 3936 wrote to memory of 3116 3936 e24d5d7394b146d7eee88bfe747ecb7a5b922800a6b227ae603e26064ea22fd2.exe kat6A43.tmp PID 3936 wrote to memory of 3116 3936 e24d5d7394b146d7eee88bfe747ecb7a5b922800a6b227ae603e26064ea22fd2.exe kat6A43.tmp PID 3936 wrote to memory of 3116 3936 e24d5d7394b146d7eee88bfe747ecb7a5b922800a6b227ae603e26064ea22fd2.exe kat6A43.tmp PID 3936 wrote to memory of 3116 3936 e24d5d7394b146d7eee88bfe747ecb7a5b922800a6b227ae603e26064ea22fd2.exe kat6A43.tmp PID 3936 wrote to memory of 3116 3936 e24d5d7394b146d7eee88bfe747ecb7a5b922800a6b227ae603e26064ea22fd2.exe kat6A43.tmp PID 3936 wrote to memory of 3116 3936 e24d5d7394b146d7eee88bfe747ecb7a5b922800a6b227ae603e26064ea22fd2.exe kat6A43.tmp PID 3936 wrote to memory of 3116 3936 e24d5d7394b146d7eee88bfe747ecb7a5b922800a6b227ae603e26064ea22fd2.exe kat6A43.tmp PID 3936 wrote to memory of 3116 3936 e24d5d7394b146d7eee88bfe747ecb7a5b922800a6b227ae603e26064ea22fd2.exe kat6A43.tmp
Processes
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C:\Users\Admin\AppData\Local\Temp\e24d5d7394b146d7eee88bfe747ecb7a5b922800a6b227ae603e26064ea22fd2.exe"C:\Users\Admin\AppData\Local\Temp\e24d5d7394b146d7eee88bfe747ecb7a5b922800a6b227ae603e26064ea22fd2.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3936 -
C:\Users\Admin\AppData\Local\Temp\kat6A43.tmpC:\Users\Admin\AppData\Local\Temp\kat6A43.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:3116
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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