Analysis
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max time kernel
195s -
max time network
313s -
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 01:43
Static task
static1
Behavioral task
behavioral1
Sample
d13a9c092aa960e7886b92a348bd9d1ad74fbfbc9dbd298e9340c2a7bfc5cc1d.exe
Resource
win7-20240220-en
General
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Target
d13a9c092aa960e7886b92a348bd9d1ad74fbfbc9dbd298e9340c2a7bfc5cc1d.exe
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Size
1.8MB
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MD5
60d46827d5cf8c9dda4f8b83e32f8d65
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SHA1
66f7d7e9956cd971decd25ff2e7318600050d5b2
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SHA256
d13a9c092aa960e7886b92a348bd9d1ad74fbfbc9dbd298e9340c2a7bfc5cc1d
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SHA512
353adb486416c6767450c704a3f0256657dd29b532e116b5cbf2255be12718ac24d322056d86156b14069fbfd589d4cc2aa59438d1dcc4df08a50f42d2973999
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SSDEEP
24576:W7YfUB7F1931tbQYaOV+rEfv0xwT3zxNOt4XigDSCuptNEynEsqqfD:W75B7FDFtbQYa8aesY3Ot4N7G/
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 7 IoCs
Processes:
resource yara_rule behavioral2/memory/4256-10-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/4256-8-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/4256-4-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/4256-16-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/4256-17-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/4256-34-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/4256-35-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
kat80F7.tmppid process 4256 kat80F7.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:
d13a9c092aa960e7886b92a348bd9d1ad74fbfbc9dbd298e9340c2a7bfc5cc1d.exedescription pid process target process PID 3648 set thread context of 4256 3648 d13a9c092aa960e7886b92a348bd9d1ad74fbfbc9dbd298e9340c2a7bfc5cc1d.exe kat80F7.tmp -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat80F7.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat80F7.tmp -
Suspicious behavior: EnumeratesProcesses 10 IoCs
Processes:
kat80F7.tmppid process 4256 kat80F7.tmp 4256 kat80F7.tmp 4256 kat80F7.tmp 4256 kat80F7.tmp 4256 kat80F7.tmp 4256 kat80F7.tmp 4256 kat80F7.tmp 4256 kat80F7.tmp 4256 kat80F7.tmp 4256 kat80F7.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
d13a9c092aa960e7886b92a348bd9d1ad74fbfbc9dbd298e9340c2a7bfc5cc1d.exedescription pid process target process PID 3648 wrote to memory of 4256 3648 d13a9c092aa960e7886b92a348bd9d1ad74fbfbc9dbd298e9340c2a7bfc5cc1d.exe kat80F7.tmp PID 3648 wrote to memory of 4256 3648 d13a9c092aa960e7886b92a348bd9d1ad74fbfbc9dbd298e9340c2a7bfc5cc1d.exe kat80F7.tmp PID 3648 wrote to memory of 4256 3648 d13a9c092aa960e7886b92a348bd9d1ad74fbfbc9dbd298e9340c2a7bfc5cc1d.exe kat80F7.tmp PID 3648 wrote to memory of 4256 3648 d13a9c092aa960e7886b92a348bd9d1ad74fbfbc9dbd298e9340c2a7bfc5cc1d.exe kat80F7.tmp PID 3648 wrote to memory of 4256 3648 d13a9c092aa960e7886b92a348bd9d1ad74fbfbc9dbd298e9340c2a7bfc5cc1d.exe kat80F7.tmp PID 3648 wrote to memory of 4256 3648 d13a9c092aa960e7886b92a348bd9d1ad74fbfbc9dbd298e9340c2a7bfc5cc1d.exe kat80F7.tmp PID 3648 wrote to memory of 4256 3648 d13a9c092aa960e7886b92a348bd9d1ad74fbfbc9dbd298e9340c2a7bfc5cc1d.exe kat80F7.tmp PID 3648 wrote to memory of 4256 3648 d13a9c092aa960e7886b92a348bd9d1ad74fbfbc9dbd298e9340c2a7bfc5cc1d.exe kat80F7.tmp
Processes
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C:\Users\Admin\AppData\Local\Temp\d13a9c092aa960e7886b92a348bd9d1ad74fbfbc9dbd298e9340c2a7bfc5cc1d.exe"C:\Users\Admin\AppData\Local\Temp\d13a9c092aa960e7886b92a348bd9d1ad74fbfbc9dbd298e9340c2a7bfc5cc1d.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3648 -
C:\Users\Admin\AppData\Local\Temp\kat80F7.tmpC:\Users\Admin\AppData\Local\Temp\kat80F7.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4256
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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