Analysis
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max time kernel
199s -
max time network
299s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
03-06-2024 05:37
Static task
static1
Behavioral task
behavioral1
Sample
733e23e0d7748ad35b7fc2b785041c74d1d48ea7ca5d9d7257a185be7beb652c.exe
Resource
win7-20240215-en
General
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Target
733e23e0d7748ad35b7fc2b785041c74d1d48ea7ca5d9d7257a185be7beb652c.exe
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Size
2.0MB
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MD5
2429592089480d6026f34386a38e6a37
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SHA1
6e1a875b69da9ea36702eaad5ab3bb9ae14a4bf0
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SHA256
733e23e0d7748ad35b7fc2b785041c74d1d48ea7ca5d9d7257a185be7beb652c
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SHA512
65eadeb891ddd5587af70cd483e2e201dcbeea94a86399af0e7e907a638817eab6819d8618b222242b1655a4e2d27662b0a7d549e02c03d1ddcb86435b506cec
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SSDEEP
49152:eqtdPVosJEQz/+VHA58ljrIY+96lJS9bZ:e6d9fJBc7jvedZ
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/1448-1-0x0000000004100000-0x000000000424C000-memory.dmp family_vidar_v7 behavioral2/memory/4496-4-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/4496-8-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/4496-10-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/4496-16-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/4496-17-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/4496-34-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/4496-35-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
kat6409.tmppid Process 4496 kat6409.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:
733e23e0d7748ad35b7fc2b785041c74d1d48ea7ca5d9d7257a185be7beb652c.exedescription pid Process procid_target PID 1448 set thread context of 4496 1448 733e23e0d7748ad35b7fc2b785041c74d1d48ea7ca5d9d7257a185be7beb652c.exe 73 -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat6409.tmpdescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat6409.tmp -
Suspicious behavior: EnumeratesProcesses 10 IoCs
Processes:
kat6409.tmppid Process 4496 kat6409.tmp 4496 kat6409.tmp 4496 kat6409.tmp 4496 kat6409.tmp 4496 kat6409.tmp 4496 kat6409.tmp 4496 kat6409.tmp 4496 kat6409.tmp 4496 kat6409.tmp 4496 kat6409.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
733e23e0d7748ad35b7fc2b785041c74d1d48ea7ca5d9d7257a185be7beb652c.exedescription pid Process procid_target PID 1448 wrote to memory of 4496 1448 733e23e0d7748ad35b7fc2b785041c74d1d48ea7ca5d9d7257a185be7beb652c.exe 73 PID 1448 wrote to memory of 4496 1448 733e23e0d7748ad35b7fc2b785041c74d1d48ea7ca5d9d7257a185be7beb652c.exe 73 PID 1448 wrote to memory of 4496 1448 733e23e0d7748ad35b7fc2b785041c74d1d48ea7ca5d9d7257a185be7beb652c.exe 73 PID 1448 wrote to memory of 4496 1448 733e23e0d7748ad35b7fc2b785041c74d1d48ea7ca5d9d7257a185be7beb652c.exe 73 PID 1448 wrote to memory of 4496 1448 733e23e0d7748ad35b7fc2b785041c74d1d48ea7ca5d9d7257a185be7beb652c.exe 73 PID 1448 wrote to memory of 4496 1448 733e23e0d7748ad35b7fc2b785041c74d1d48ea7ca5d9d7257a185be7beb652c.exe 73 PID 1448 wrote to memory of 4496 1448 733e23e0d7748ad35b7fc2b785041c74d1d48ea7ca5d9d7257a185be7beb652c.exe 73 PID 1448 wrote to memory of 4496 1448 733e23e0d7748ad35b7fc2b785041c74d1d48ea7ca5d9d7257a185be7beb652c.exe 73
Processes
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C:\Users\Admin\AppData\Local\Temp\733e23e0d7748ad35b7fc2b785041c74d1d48ea7ca5d9d7257a185be7beb652c.exe"C:\Users\Admin\AppData\Local\Temp\733e23e0d7748ad35b7fc2b785041c74d1d48ea7ca5d9d7257a185be7beb652c.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1448 -
C:\Users\Admin\AppData\Local\Temp\kat6409.tmpC:\Users\Admin\AppData\Local\Temp\kat6409.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4496
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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