Analysis
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max time kernel
148s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
29-06-2024 03:27
Static task
static1
Behavioral task
behavioral1
Sample
07be352dde09851de71ce7c763537e2b5c567e52fd161304cbaa54895dcd5c8f.exe
Resource
win10v2004-20240508-en
General
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Target
07be352dde09851de71ce7c763537e2b5c567e52fd161304cbaa54895dcd5c8f.exe
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Size
2.2MB
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MD5
6a605bfcf8816ab1a6e21238fcb55747
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SHA1
3e3a35e578c8a3faf88abe8fd7791ecc4bca538d
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SHA256
07be352dde09851de71ce7c763537e2b5c567e52fd161304cbaa54895dcd5c8f
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SHA512
a6f7c16fe752905dd9305ba7e46b0cc5de054f1dafd8ba836f61a50781f5f089bcf2e49961fa886de4efc2c6c972313bfd2770558131c360bcb8b2823ea1db0a
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SSDEEP
49152:qpjNvr9ySAOmw4dHHO+SASagXkJr4MDkUwm:qpjNp7p4dHH8n5A
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 14 IoCs
Processes:
resource yara_rule behavioral2/memory/3668-2-0x0000000004050000-0x0000000004160000-memory.dmp family_vidar_v7 behavioral2/memory/4744-4-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/4744-10-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/4744-8-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/4744-24-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/4744-25-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/4744-42-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/4744-43-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/4744-59-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/4744-60-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/4744-74-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/4744-75-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/4744-76-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/4744-79-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
kat7B4A.tmppid process 4744 kat7B4A.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:
07be352dde09851de71ce7c763537e2b5c567e52fd161304cbaa54895dcd5c8f.exedescription pid process target process PID 3668 set thread context of 4744 3668 07be352dde09851de71ce7c763537e2b5c567e52fd161304cbaa54895dcd5c8f.exe kat7B4A.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:
kat7B4A.tmpdescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 kat7B4A.tmp Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat7B4A.tmp -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 4112 timeout.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
kat7B4A.tmppid process 4744 kat7B4A.tmp 4744 kat7B4A.tmp 4744 kat7B4A.tmp 4744 kat7B4A.tmp 4744 kat7B4A.tmp 4744 kat7B4A.tmp 4744 kat7B4A.tmp 4744 kat7B4A.tmp -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
07be352dde09851de71ce7c763537e2b5c567e52fd161304cbaa54895dcd5c8f.exekat7B4A.tmpcmd.exedescription pid process target process PID 3668 wrote to memory of 4744 3668 07be352dde09851de71ce7c763537e2b5c567e52fd161304cbaa54895dcd5c8f.exe kat7B4A.tmp PID 3668 wrote to memory of 4744 3668 07be352dde09851de71ce7c763537e2b5c567e52fd161304cbaa54895dcd5c8f.exe kat7B4A.tmp PID 3668 wrote to memory of 4744 3668 07be352dde09851de71ce7c763537e2b5c567e52fd161304cbaa54895dcd5c8f.exe kat7B4A.tmp PID 3668 wrote to memory of 4744 3668 07be352dde09851de71ce7c763537e2b5c567e52fd161304cbaa54895dcd5c8f.exe kat7B4A.tmp PID 3668 wrote to memory of 4744 3668 07be352dde09851de71ce7c763537e2b5c567e52fd161304cbaa54895dcd5c8f.exe kat7B4A.tmp PID 3668 wrote to memory of 4744 3668 07be352dde09851de71ce7c763537e2b5c567e52fd161304cbaa54895dcd5c8f.exe kat7B4A.tmp PID 3668 wrote to memory of 4744 3668 07be352dde09851de71ce7c763537e2b5c567e52fd161304cbaa54895dcd5c8f.exe kat7B4A.tmp PID 3668 wrote to memory of 4744 3668 07be352dde09851de71ce7c763537e2b5c567e52fd161304cbaa54895dcd5c8f.exe kat7B4A.tmp PID 4744 wrote to memory of 1192 4744 kat7B4A.tmp cmd.exe PID 4744 wrote to memory of 1192 4744 kat7B4A.tmp cmd.exe PID 4744 wrote to memory of 1192 4744 kat7B4A.tmp cmd.exe PID 1192 wrote to memory of 4112 1192 cmd.exe timeout.exe PID 1192 wrote to memory of 4112 1192 cmd.exe timeout.exe PID 1192 wrote to memory of 4112 1192 cmd.exe timeout.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\07be352dde09851de71ce7c763537e2b5c567e52fd161304cbaa54895dcd5c8f.exe"C:\Users\Admin\AppData\Local\Temp\07be352dde09851de71ce7c763537e2b5c567e52fd161304cbaa54895dcd5c8f.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3668 -
C:\Users\Admin\AppData\Local\Temp\kat7B4A.tmpC:\Users\Admin\AppData\Local\Temp\kat7B4A.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4744 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat7B4A.tmp" & rd /s /q "C:\ProgramData\KJKKJKEHDBGI" & exit3⤵
- Suspicious use of WriteProcessMemory
PID:1192 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- Delays execution with timeout.exe
PID:4112
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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