Analysis
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max time kernel
130s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
22-05-2024 01:32
Static task
static1
Behavioral task
behavioral1
Sample
614fda416a81ce67cc4a56f458fa1899687d175748914ff10a23384db55089f1.exe
Resource
win10v2004-20240426-en
General
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Target
614fda416a81ce67cc4a56f458fa1899687d175748914ff10a23384db55089f1.exe
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Size
2.1MB
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MD5
cf40fb082422b1b9905fd644261b6a9f
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SHA1
b9d87ed2a3010a9862572eade1ff89915ed92b14
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SHA256
614fda416a81ce67cc4a56f458fa1899687d175748914ff10a23384db55089f1
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SHA512
0c949ba99c621392d24f585692fea2d910d2353b0358c905c62187b99a9a537957e276605234ce37868e9d4907a313cdb3c40edd47e535e0b4a93420ff011083
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SSDEEP
49152:N6uDuaS9refWAJtTF+TxMoxc1TU+j+dAzGwlrh:N6uKb97AtIuoITsdZ
Malware Config
Extracted
stealc
Signatures
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Detect Vidar Stealer 8 IoCs
Processes:
resource yara_rule behavioral1/memory/324-1-0x0000000004130000-0x0000000004279000-memory.dmp family_vidar_v7 behavioral1/memory/640-8-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/640-10-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/640-4-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/640-12-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/640-13-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/640-30-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/640-31-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
kat5AF1.tmppid process 640 kat5AF1.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:
614fda416a81ce67cc4a56f458fa1899687d175748914ff10a23384db55089f1.exedescription pid process target process PID 324 set thread context of 640 324 614fda416a81ce67cc4a56f458fa1899687d175748914ff10a23384db55089f1.exe kat5AF1.tmp -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat5AF1.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat5AF1.tmp -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
kat5AF1.tmppid process 640 kat5AF1.tmp 640 kat5AF1.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
614fda416a81ce67cc4a56f458fa1899687d175748914ff10a23384db55089f1.exedescription pid process target process PID 324 wrote to memory of 640 324 614fda416a81ce67cc4a56f458fa1899687d175748914ff10a23384db55089f1.exe kat5AF1.tmp PID 324 wrote to memory of 640 324 614fda416a81ce67cc4a56f458fa1899687d175748914ff10a23384db55089f1.exe kat5AF1.tmp PID 324 wrote to memory of 640 324 614fda416a81ce67cc4a56f458fa1899687d175748914ff10a23384db55089f1.exe kat5AF1.tmp PID 324 wrote to memory of 640 324 614fda416a81ce67cc4a56f458fa1899687d175748914ff10a23384db55089f1.exe kat5AF1.tmp PID 324 wrote to memory of 640 324 614fda416a81ce67cc4a56f458fa1899687d175748914ff10a23384db55089f1.exe kat5AF1.tmp PID 324 wrote to memory of 640 324 614fda416a81ce67cc4a56f458fa1899687d175748914ff10a23384db55089f1.exe kat5AF1.tmp PID 324 wrote to memory of 640 324 614fda416a81ce67cc4a56f458fa1899687d175748914ff10a23384db55089f1.exe kat5AF1.tmp PID 324 wrote to memory of 640 324 614fda416a81ce67cc4a56f458fa1899687d175748914ff10a23384db55089f1.exe kat5AF1.tmp
Processes
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C:\Users\Admin\AppData\Local\Temp\614fda416a81ce67cc4a56f458fa1899687d175748914ff10a23384db55089f1.exe"C:\Users\Admin\AppData\Local\Temp\614fda416a81ce67cc4a56f458fa1899687d175748914ff10a23384db55089f1.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:324 -
C:\Users\Admin\AppData\Local\Temp\kat5AF1.tmpC:\Users\Admin\AppData\Local\Temp\kat5AF1.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:640
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f