Overview
overview
7Static
static
3Bandicam/b...up.bat
windows10-1703-x64
7Bandicam/b...up.bat
windows7-x64
7Bandicam/b...up.bat
windows10-2004-x64
7Bandicam/b...up.bat
windows11-21h2-x64
7Bandicam/b...p2.bat
windows10-1703-x64
7Bandicam/b...p2.bat
windows7-x64
7Bandicam/b...p2.bat
windows10-2004-x64
7Bandicam/b...p2.bat
windows11-21h2-x64
7Analysis
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max time kernel
133s -
max time network
136s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
13/06/2024, 15:18
Static task
static1
Behavioral task
behavioral1
Sample
Bandicam/bdcam_setup.bat
Resource
win10-20240404-en
Behavioral task
behavioral2
Sample
Bandicam/bdcam_setup.bat
Resource
win7-20240221-en
Behavioral task
behavioral3
Sample
Bandicam/bdcam_setup.bat
Resource
win10v2004-20240611-en
Behavioral task
behavioral4
Sample
Bandicam/bdcam_setup.bat
Resource
win11-20240611-en
Behavioral task
behavioral5
Sample
Bandicam/bdcam_setup2.bat
Resource
win10-20240404-en
Behavioral task
behavioral6
Sample
Bandicam/bdcam_setup2.bat
Resource
win7-20240419-en
Behavioral task
behavioral7
Sample
Bandicam/bdcam_setup2.bat
Resource
win10v2004-20240508-en
Behavioral task
behavioral8
Sample
Bandicam/bdcam_setup2.bat
Resource
win11-20240611-en
General
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Target
Bandicam/bdcam_setup.bat
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Size
61KB
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MD5
04c9207727dc5474f2deb587e591881b
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SHA1
c7217d5a6992ed4b258cfe4e0689b15e37077d0f
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SHA256
b9fec10884cff054689605514294b72870bebf085eebedfd8555123127688272
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SHA512
44827e60c68a8dc572f9fe1e35a1a32cd56a5fbcfd8d85344c309daf60ef233995a2353e776e648706430f60ac4eeddb53a40cd13ad53f28e4ac23d6d0df87cd
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SSDEEP
1536:7Ysjgm7LaXhXOXn3IXsz/oeQWewbUZHDjY9:7EXheZz/oel2ZHHc
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1500 bdcam_activate.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
pid Process 3840 bdcam.exe 3840 bdcam.exe 4368 bdcam.exe 4368 bdcam.exe -
Modifies registry class 10 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4106386276-4127174233-3637007343-1000_Classes\BANDICAM.bfix\Shell bdcam.exe Set value (str) \REGISTRY\USER\S-1-5-21-4106386276-4127174233-3637007343-1000_Classes\.bfix\ = "BANDICAM.bfix" bdcam.exe Key created \REGISTRY\USER\S-1-5-21-4106386276-4127174233-3637007343-1000_Classes\BANDICAM.bfix bdcam.exe Set value (str) \REGISTRY\USER\S-1-5-21-4106386276-4127174233-3637007343-1000_Classes\BANDICAM.bfix\ = "BandiFix Recovery File" bdcam.exe Key created \REGISTRY\USER\S-1-5-21-4106386276-4127174233-3637007343-1000_Classes\BANDICAM.bfix\DefaultIcon bdcam.exe Set value (str) \REGISTRY\USER\S-1-5-21-4106386276-4127174233-3637007343-1000_Classes\BANDICAM.bfix\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Bandicam\\bdfix.exe" bdcam.exe Key created \REGISTRY\USER\S-1-5-21-4106386276-4127174233-3637007343-1000_Classes\.bfix bdcam.exe Key created \REGISTRY\USER\S-1-5-21-4106386276-4127174233-3637007343-1000_Classes\BANDICAM.bfix\Shell\Open\Command bdcam.exe Key created \REGISTRY\USER\S-1-5-21-4106386276-4127174233-3637007343-1000_Classes\BANDICAM.bfix\Shell\Open bdcam.exe Set value (str) \REGISTRY\USER\S-1-5-21-4106386276-4127174233-3637007343-1000_Classes\BANDICAM.bfix\Shell\Open\Command\ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Bandicam\\bdfix.exe\"\"%1\"" bdcam.exe -
Runs net.exe
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Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3840 bdcam.exe 3840 bdcam.exe 4368 bdcam.exe 4368 bdcam.exe 4368 bdcam.exe 4368 bdcam.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: 33 3192 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 3192 AUDIODG.EXE Token: 33 4368 bdcam.exe Token: SeIncBasePriorityPrivilege 4368 bdcam.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4368 bdcam.exe -
Suspicious use of SendNotifyMessage 1 IoCs
pid Process 4368 bdcam.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 3840 bdcam.exe 4368 bdcam.exe 4368 bdcam.exe 4368 bdcam.exe 4368 bdcam.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 4616 wrote to memory of 5064 4616 cmd.exe 75 PID 4616 wrote to memory of 5064 4616 cmd.exe 75 PID 5064 wrote to memory of 316 5064 net.exe 76 PID 5064 wrote to memory of 316 5064 net.exe 76 PID 4616 wrote to memory of 3840 4616 cmd.exe 77 PID 4616 wrote to memory of 3840 4616 cmd.exe 77 PID 3840 wrote to memory of 3984 3840 bdcam.exe 78 PID 3840 wrote to memory of 3984 3840 bdcam.exe 78 PID 3840 wrote to memory of 1304 3840 bdcam.exe 79 PID 3840 wrote to memory of 1304 3840 bdcam.exe 79 PID 3840 wrote to memory of 1304 3840 bdcam.exe 79 PID 4616 wrote to memory of 3476 4616 cmd.exe 80 PID 4616 wrote to memory of 3476 4616 cmd.exe 80 PID 4616 wrote to memory of 1500 4616 cmd.exe 82 PID 4616 wrote to memory of 1500 4616 cmd.exe 82 PID 4616 wrote to memory of 1500 4616 cmd.exe 82 PID 4616 wrote to memory of 2796 4616 cmd.exe 83 PID 4616 wrote to memory of 2796 4616 cmd.exe 83 PID 4616 wrote to memory of 4368 4616 cmd.exe 84 PID 4616 wrote to memory of 4368 4616 cmd.exe 84 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\Bandicam\bdcam_setup.bat"1⤵
- Suspicious use of WriteProcessMemory
PID:4616 -
C:\Windows\system32\net.exeNET SESSION2⤵
- Suspicious use of WriteProcessMemory
PID:5064 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 SESSION3⤵PID:316
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C:\Users\Admin\AppData\Local\Temp\Bandicam\bdcam.exe"bdcam.exe" /install2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3840 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Users\Admin\AppData\Local\Temp\Bandicam\bdcamvk64.dll",RegDll3⤵PID:3984
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\SysWOW64\rundll32.exe" "C:\Users\Admin\AppData\Local\Temp\Bandicam\bdcamvk32.dll",RegDll3⤵PID:1304
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C:\Windows\system32\certutil.execertutil -decode C:\Users\Admin\AppData\Local\Temp\Bandicam\bdcam_setup.bat "C:\Users\Admin\AppData\Local\Temp\bdcam_activate.exe"2⤵PID:3476
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C:\Users\Admin\AppData\Local\Temp\bdcam_activate.exe"C:\Users\Admin\AppData\Local\Temp\bdcam_activate.exe" /inst2⤵
- Executes dropped EXE
PID:1500
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C:\Windows\system32\reg.exereg copy "HKLM\SOFTWARE\WOW6432Node\BANDISOFT\BANDICAM\OPTION" "HKCU\SOFTWARE\BANDISOFT\BANDICAM\OPTION" /s /f2⤵PID:2796
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C:\Users\Admin\AppData\Local\Temp\Bandicam\bdcam.exe"bdcam.exe"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:4368
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x3e81⤵
- Suspicious use of AdjustPrivilegeToken
PID:3192
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
45KB
MD5360ec335cff3d6f6242b62f96747c6c1
SHA160439d9b7689b994b1691db6f2d795697eeafa48
SHA25620d7107252aac741c68b8a03cc20520430e93acdbe3434ee428d162a85f93a94
SHA512ee9aa23d4e7600fe2d57350a483125d6e22ee73718d362d061a20b0b096bc874f864328d8be38b5b20768ecca77ea36f8ea5f7a25ad11fca3ba862fe736eeef0