Analysis
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max time kernel
93s -
max time network
103s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
04-06-2024 01:02
Static task
static1
Behavioral task
behavioral1
Sample
682b75a2a9dc54d8976202c026e525bf822891eb6a3cd99ba960ce8221b965c7.exe
Resource
win10v2004-20240426-en
General
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Target
682b75a2a9dc54d8976202c026e525bf822891eb6a3cd99ba960ce8221b965c7.exe
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Size
1.8MB
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MD5
16b7f773266ca37595e7c7b177e139e6
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SHA1
fdbcb8a533291b193fd4411098aee685f1d28e3c
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SHA256
682b75a2a9dc54d8976202c026e525bf822891eb6a3cd99ba960ce8221b965c7
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SHA512
45a8bedaddc95efc84453cfc6802f0b6bca6371d055507b34ad03b649aa33e40843445a9e91b59b80631b7aa5499ddd7373554f3b08de6602144afa721ead214
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SSDEEP
24576:W7YfUB7F1931tb9YaOV+rEfv0xwT3zxNOt4XigDSCuptNEynEsqqfD:W75B7FDFtb9Ya8aesY3Ot4N7G/
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 behavioral1/memory/888-2-0x00000000029B0000-0x0000000002AFC000-memory.dmp family_vidar_v7 behavioral1/memory/1152-4-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral1/memory/1152-9-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral1/memory/1152-8-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral1/memory/1152-13-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral1/memory/1152-14-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral1/memory/1152-31-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral1/memory/1152-32-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
kat5AC2.tmppid process 1152 kat5AC2.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:
682b75a2a9dc54d8976202c026e525bf822891eb6a3cd99ba960ce8221b965c7.exedescription pid process target process PID 888 set thread context of 1152 888 682b75a2a9dc54d8976202c026e525bf822891eb6a3cd99ba960ce8221b965c7.exe kat5AC2.tmp -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat5AC2.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat5AC2.tmp -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
kat5AC2.tmppid process 1152 kat5AC2.tmp 1152 kat5AC2.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
682b75a2a9dc54d8976202c026e525bf822891eb6a3cd99ba960ce8221b965c7.exedescription pid process target process PID 888 wrote to memory of 1152 888 682b75a2a9dc54d8976202c026e525bf822891eb6a3cd99ba960ce8221b965c7.exe kat5AC2.tmp PID 888 wrote to memory of 1152 888 682b75a2a9dc54d8976202c026e525bf822891eb6a3cd99ba960ce8221b965c7.exe kat5AC2.tmp PID 888 wrote to memory of 1152 888 682b75a2a9dc54d8976202c026e525bf822891eb6a3cd99ba960ce8221b965c7.exe kat5AC2.tmp PID 888 wrote to memory of 1152 888 682b75a2a9dc54d8976202c026e525bf822891eb6a3cd99ba960ce8221b965c7.exe kat5AC2.tmp PID 888 wrote to memory of 1152 888 682b75a2a9dc54d8976202c026e525bf822891eb6a3cd99ba960ce8221b965c7.exe kat5AC2.tmp PID 888 wrote to memory of 1152 888 682b75a2a9dc54d8976202c026e525bf822891eb6a3cd99ba960ce8221b965c7.exe kat5AC2.tmp PID 888 wrote to memory of 1152 888 682b75a2a9dc54d8976202c026e525bf822891eb6a3cd99ba960ce8221b965c7.exe kat5AC2.tmp PID 888 wrote to memory of 1152 888 682b75a2a9dc54d8976202c026e525bf822891eb6a3cd99ba960ce8221b965c7.exe kat5AC2.tmp
Processes
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C:\Users\Admin\AppData\Local\Temp\682b75a2a9dc54d8976202c026e525bf822891eb6a3cd99ba960ce8221b965c7.exe"C:\Users\Admin\AppData\Local\Temp\682b75a2a9dc54d8976202c026e525bf822891eb6a3cd99ba960ce8221b965c7.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:888 -
C:\Users\Admin\AppData\Local\Temp\kat5AC2.tmpC:\Users\Admin\AppData\Local\Temp\kat5AC2.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:1152
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f