Analysis
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max time kernel
90s -
max time network
127s -
platform
windows11-21h2_x64 -
resource
win11-20240611-en -
resource tags
arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system -
submitted
29-06-2024 07:25
Static task
static1
Behavioral task
behavioral1
Sample
c929a54f69431941c73e7950a8d0d629ad30599552f5710bad43a2e122069f53.exe
Resource
win10v2004-20240611-en
General
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Target
c929a54f69431941c73e7950a8d0d629ad30599552f5710bad43a2e122069f53.exe
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Size
2.2MB
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MD5
3f4a06a294d8669d1db2e933f6b8520d
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SHA1
3b00de652026162cfbb464b0e9b1f5f176ec48a8
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SHA256
c929a54f69431941c73e7950a8d0d629ad30599552f5710bad43a2e122069f53
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SHA512
a37b58f8bee55593bf35505c61353e2c5d4d41cdc79fad7e17cc91f0631543ef62ffe4df24ce1d641b996966cb298fd381906b7cf13032b356d792d2853c8ddf
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SSDEEP
49152:qpjNvr9ySAOmw4JHHO+SASagXkJr4MDkUwm:qpjNp7p4JHH8n5A
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/2888-2-0x0000000004060000-0x0000000004170000-memory.dmp family_vidar_v7 behavioral2/memory/980-8-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/980-9-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/980-4-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/980-24-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/980-25-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/980-35-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/980-36-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
kat6283.tmppid process 980 kat6283.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:
c929a54f69431941c73e7950a8d0d629ad30599552f5710bad43a2e122069f53.exedescription pid process target process PID 2888 set thread context of 980 2888 c929a54f69431941c73e7950a8d0d629ad30599552f5710bad43a2e122069f53.exe kat6283.tmp -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat6283.tmpdescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 kat6283.tmp Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat6283.tmp -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
kat6283.tmppid process 980 kat6283.tmp 980 kat6283.tmp 980 kat6283.tmp 980 kat6283.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
c929a54f69431941c73e7950a8d0d629ad30599552f5710bad43a2e122069f53.exedescription pid process target process PID 2888 wrote to memory of 980 2888 c929a54f69431941c73e7950a8d0d629ad30599552f5710bad43a2e122069f53.exe kat6283.tmp PID 2888 wrote to memory of 980 2888 c929a54f69431941c73e7950a8d0d629ad30599552f5710bad43a2e122069f53.exe kat6283.tmp PID 2888 wrote to memory of 980 2888 c929a54f69431941c73e7950a8d0d629ad30599552f5710bad43a2e122069f53.exe kat6283.tmp PID 2888 wrote to memory of 980 2888 c929a54f69431941c73e7950a8d0d629ad30599552f5710bad43a2e122069f53.exe kat6283.tmp PID 2888 wrote to memory of 980 2888 c929a54f69431941c73e7950a8d0d629ad30599552f5710bad43a2e122069f53.exe kat6283.tmp PID 2888 wrote to memory of 980 2888 c929a54f69431941c73e7950a8d0d629ad30599552f5710bad43a2e122069f53.exe kat6283.tmp PID 2888 wrote to memory of 980 2888 c929a54f69431941c73e7950a8d0d629ad30599552f5710bad43a2e122069f53.exe kat6283.tmp PID 2888 wrote to memory of 980 2888 c929a54f69431941c73e7950a8d0d629ad30599552f5710bad43a2e122069f53.exe kat6283.tmp
Processes
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C:\Users\Admin\AppData\Local\Temp\c929a54f69431941c73e7950a8d0d629ad30599552f5710bad43a2e122069f53.exe"C:\Users\Admin\AppData\Local\Temp\c929a54f69431941c73e7950a8d0d629ad30599552f5710bad43a2e122069f53.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2888 -
C:\Users\Admin\AppData\Local\Temp\kat6283.tmpC:\Users\Admin\AppData\Local\Temp\kat6283.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:980
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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