Analysis
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max time kernel
45s -
max time network
54s -
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 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 9 IoCs
Processes:
resource yara_rule behavioral1/memory/1936-2-0x0000000004080000-0x0000000004190000-memory.dmp family_vidar_v7 behavioral1/memory/1004-8-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1004-4-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1004-10-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1004-11-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1004-12-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1004-13-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1004-14-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1004-15-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
kat44AA.tmpdescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation kat44AA.tmp -
Executes dropped EXE 1 IoCs
Processes:
kat44AA.tmppid process 1004 kat44AA.tmp -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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 1936 set thread context of 1004 1936 07be352dde09851de71ce7c763537e2b5c567e52fd161304cbaa54895dcd5c8f.exe kat44AA.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:
kat44AA.tmpdescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 kat44AA.tmp Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat44AA.tmp -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 1480 timeout.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
kat44AA.tmppid process 1004 kat44AA.tmp 1004 kat44AA.tmp 1004 kat44AA.tmp 1004 kat44AA.tmp 1004 kat44AA.tmp 1004 kat44AA.tmp -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
07be352dde09851de71ce7c763537e2b5c567e52fd161304cbaa54895dcd5c8f.exekat44AA.tmpcmd.exedescription pid process target process PID 1936 wrote to memory of 1004 1936 07be352dde09851de71ce7c763537e2b5c567e52fd161304cbaa54895dcd5c8f.exe kat44AA.tmp PID 1936 wrote to memory of 1004 1936 07be352dde09851de71ce7c763537e2b5c567e52fd161304cbaa54895dcd5c8f.exe kat44AA.tmp PID 1936 wrote to memory of 1004 1936 07be352dde09851de71ce7c763537e2b5c567e52fd161304cbaa54895dcd5c8f.exe kat44AA.tmp PID 1936 wrote to memory of 1004 1936 07be352dde09851de71ce7c763537e2b5c567e52fd161304cbaa54895dcd5c8f.exe kat44AA.tmp PID 1936 wrote to memory of 1004 1936 07be352dde09851de71ce7c763537e2b5c567e52fd161304cbaa54895dcd5c8f.exe kat44AA.tmp PID 1936 wrote to memory of 1004 1936 07be352dde09851de71ce7c763537e2b5c567e52fd161304cbaa54895dcd5c8f.exe kat44AA.tmp PID 1936 wrote to memory of 1004 1936 07be352dde09851de71ce7c763537e2b5c567e52fd161304cbaa54895dcd5c8f.exe kat44AA.tmp PID 1936 wrote to memory of 1004 1936 07be352dde09851de71ce7c763537e2b5c567e52fd161304cbaa54895dcd5c8f.exe kat44AA.tmp PID 1004 wrote to memory of 2524 1004 kat44AA.tmp cmd.exe PID 1004 wrote to memory of 2524 1004 kat44AA.tmp cmd.exe PID 1004 wrote to memory of 2524 1004 kat44AA.tmp cmd.exe PID 2524 wrote to memory of 1480 2524 cmd.exe timeout.exe PID 2524 wrote to memory of 1480 2524 cmd.exe timeout.exe PID 2524 wrote to memory of 1480 2524 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:1936 -
C:\Users\Admin\AppData\Local\Temp\kat44AA.tmpC:\Users\Admin\AppData\Local\Temp\kat44AA.tmp2⤵
- Checks computer location settings
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1004 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat44AA.tmp" & rd /s /q "C:\ProgramData\BAEHIEBGHDAF" & exit3⤵
- Suspicious use of WriteProcessMemory
PID:2524 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- Delays execution with timeout.exe
PID:1480
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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