Analysis
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max time kernel
134s -
max time network
301s -
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 01:36
Static task
static1
Behavioral task
behavioral1
Sample
c4cd786ce9ce97600b53919180be0b2075c63fdbba035c62ea50b7c6cf3c2378.exe
Resource
win7-20240221-en
General
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Target
c4cd786ce9ce97600b53919180be0b2075c63fdbba035c62ea50b7c6cf3c2378.exe
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Size
2.4MB
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MD5
fbc9ba0152e9e023a6b973c76ba9d861
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SHA1
f39a26fbf281ffe88c241dfff7cae300ea4860b1
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SHA256
c4cd786ce9ce97600b53919180be0b2075c63fdbba035c62ea50b7c6cf3c2378
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SHA512
5fece7a71d5fe27ce2c34ee3ea96ebbd675049dbc20ab1c4c3ecf755fcfd4d65b4278f0f17225a171a25d80332fbe43364e1eee85276b8558e59ec64fb1cf0ba
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SSDEEP
49152:wQc81KnB/a/hNT/dBYa8aesY3Ot4N7G/:wDta/hNT/dBn0etD/
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/4196-10-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/4196-8-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/4196-4-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/4588-2-0x0000000003FC0000-0x000000000410C000-memory.dmp family_vidar_v7 behavioral2/memory/4196-25-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/4196-26-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/4196-43-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/4196-44-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
kat63CB.tmppid process 4196 kat63CB.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:
c4cd786ce9ce97600b53919180be0b2075c63fdbba035c62ea50b7c6cf3c2378.exedescription pid process target process PID 4588 set thread context of 4196 4588 c4cd786ce9ce97600b53919180be0b2075c63fdbba035c62ea50b7c6cf3c2378.exe kat63CB.tmp -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat63CB.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat63CB.tmp -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
kat63CB.tmppid process 4196 kat63CB.tmp 4196 kat63CB.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
c4cd786ce9ce97600b53919180be0b2075c63fdbba035c62ea50b7c6cf3c2378.exedescription pid process target process PID 4588 wrote to memory of 4196 4588 c4cd786ce9ce97600b53919180be0b2075c63fdbba035c62ea50b7c6cf3c2378.exe kat63CB.tmp PID 4588 wrote to memory of 4196 4588 c4cd786ce9ce97600b53919180be0b2075c63fdbba035c62ea50b7c6cf3c2378.exe kat63CB.tmp PID 4588 wrote to memory of 4196 4588 c4cd786ce9ce97600b53919180be0b2075c63fdbba035c62ea50b7c6cf3c2378.exe kat63CB.tmp PID 4588 wrote to memory of 4196 4588 c4cd786ce9ce97600b53919180be0b2075c63fdbba035c62ea50b7c6cf3c2378.exe kat63CB.tmp PID 4588 wrote to memory of 4196 4588 c4cd786ce9ce97600b53919180be0b2075c63fdbba035c62ea50b7c6cf3c2378.exe kat63CB.tmp PID 4588 wrote to memory of 4196 4588 c4cd786ce9ce97600b53919180be0b2075c63fdbba035c62ea50b7c6cf3c2378.exe kat63CB.tmp PID 4588 wrote to memory of 4196 4588 c4cd786ce9ce97600b53919180be0b2075c63fdbba035c62ea50b7c6cf3c2378.exe kat63CB.tmp PID 4588 wrote to memory of 4196 4588 c4cd786ce9ce97600b53919180be0b2075c63fdbba035c62ea50b7c6cf3c2378.exe kat63CB.tmp
Processes
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C:\Users\Admin\AppData\Local\Temp\c4cd786ce9ce97600b53919180be0b2075c63fdbba035c62ea50b7c6cf3c2378.exe"C:\Users\Admin\AppData\Local\Temp\c4cd786ce9ce97600b53919180be0b2075c63fdbba035c62ea50b7c6cf3c2378.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4588 -
C:\Users\Admin\AppData\Local\Temp\kat63CB.tmpC:\Users\Admin\AppData\Local\Temp\kat63CB.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4196
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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