Analysis
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max time kernel
92s -
max time network
130s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
29-06-2024 00:29
Static task
static1
Behavioral task
behavioral1
Sample
dee45b3ad0c841d54049061df5775ec0.exe
Resource
win7-20240611-en
General
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Target
dee45b3ad0c841d54049061df5775ec0.exe
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Size
2.2MB
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MD5
dee45b3ad0c841d54049061df5775ec0
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SHA1
6fcbcf0d362d83ac346576ec8ba66b0cb3f1b4fd
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SHA256
159e547225b9f035bf95279055d66810149fa93debea660766552008271e3e5c
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SHA512
df3adca29d98c6bacbb9ecec498425f72a722aab2f187231689f5b7b959d8fa8b561ff0846ee0c8a495b204e6445305bbe56063672512f27369adba3e39978f2
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SSDEEP
49152:qpjNvr9ySAOmw4FHHO+SASagXkJr4MDkUwm:qpjNp7p4FHH8n5A
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 15 IoCs
Processes:
resource yara_rule behavioral2/memory/3532-1-0x0000000004080000-0x0000000004190000-memory.dmp family_vidar_v7 behavioral2/memory/4564-4-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/4564-8-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/4564-10-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/4564-22-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/4564-23-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/4564-24-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/4564-41-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/4564-42-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/4564-58-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/4564-59-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/4564-66-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/4564-71-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/4564-72-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/4564-75-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
kat65AF.tmpdescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation kat65AF.tmp -
Executes dropped EXE 1 IoCs
Processes:
kat65AF.tmppid process 4564 kat65AF.tmp -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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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:
dee45b3ad0c841d54049061df5775ec0.exedescription pid process target process PID 3532 set thread context of 4564 3532 dee45b3ad0c841d54049061df5775ec0.exe kat65AF.tmp -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat65AF.tmpdescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 kat65AF.tmp Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat65AF.tmp -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 4056 timeout.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
kat65AF.tmppid process 4564 kat65AF.tmp 4564 kat65AF.tmp 4564 kat65AF.tmp 4564 kat65AF.tmp 4564 kat65AF.tmp 4564 kat65AF.tmp 4564 kat65AF.tmp 4564 kat65AF.tmp -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
dee45b3ad0c841d54049061df5775ec0.exekat65AF.tmpcmd.exedescription pid process target process PID 3532 wrote to memory of 4564 3532 dee45b3ad0c841d54049061df5775ec0.exe kat65AF.tmp PID 3532 wrote to memory of 4564 3532 dee45b3ad0c841d54049061df5775ec0.exe kat65AF.tmp PID 3532 wrote to memory of 4564 3532 dee45b3ad0c841d54049061df5775ec0.exe kat65AF.tmp PID 3532 wrote to memory of 4564 3532 dee45b3ad0c841d54049061df5775ec0.exe kat65AF.tmp PID 3532 wrote to memory of 4564 3532 dee45b3ad0c841d54049061df5775ec0.exe kat65AF.tmp PID 3532 wrote to memory of 4564 3532 dee45b3ad0c841d54049061df5775ec0.exe kat65AF.tmp PID 3532 wrote to memory of 4564 3532 dee45b3ad0c841d54049061df5775ec0.exe kat65AF.tmp PID 3532 wrote to memory of 4564 3532 dee45b3ad0c841d54049061df5775ec0.exe kat65AF.tmp PID 4564 wrote to memory of 816 4564 kat65AF.tmp cmd.exe PID 4564 wrote to memory of 816 4564 kat65AF.tmp cmd.exe PID 4564 wrote to memory of 816 4564 kat65AF.tmp cmd.exe PID 816 wrote to memory of 4056 816 cmd.exe timeout.exe PID 816 wrote to memory of 4056 816 cmd.exe timeout.exe PID 816 wrote to memory of 4056 816 cmd.exe timeout.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\dee45b3ad0c841d54049061df5775ec0.exe"C:\Users\Admin\AppData\Local\Temp\dee45b3ad0c841d54049061df5775ec0.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3532 -
C:\Users\Admin\AppData\Local\Temp\kat65AF.tmpC:\Users\Admin\AppData\Local\Temp\kat65AF.tmp2⤵
- Checks computer location settings
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4564 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat65AF.tmp" & rd /s /q "C:\ProgramData\JEHIIDGCFHIE" & exit3⤵
- Suspicious use of WriteProcessMemory
PID:816 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- Delays execution with timeout.exe
PID:4056
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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