Analysis
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max time kernel
1s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
31-12-2023 07:07
General
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Target
2cc1c56d3f26aa6bc7a036efbde4a9d3.exe
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Size
867KB
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MD5
2cc1c56d3f26aa6bc7a036efbde4a9d3
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SHA1
0e84dbd9743f10efa4221b747a38c5a1d291be47
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SHA256
449fd3e18ba5817154d52c59f5ba774f019a0e694b9278dc415998f5090c0587
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SHA512
24793f4055bb3c5eae1dac86cb0639e1fae0cb7344558f8e623b8a9ad71a9712b07964bf0e1aa85006346981899f3fc1a833cc02fbb4e2a8c108e5aedd59be63
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SSDEEP
24576:bsajHjIjzjbx72ItEbKBTy2WaBEMAfIGZJkUL:bns/x7HwKFPcZJR
Malware Config
Signatures
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UPX packed file 1 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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Enumerates connected drives 3 TTPs 21 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
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Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of FindShellTrayWindow 3 IoCs
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Suspicious use of SendNotifyMessage 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2cc1c56d3f26aa6bc7a036efbde4a9d3.exe"C:\Users\Admin\AppData\Local\Temp\2cc1c56d3f26aa6bc7a036efbde4a9d3.exe"1⤵
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
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C:\Windows\system32\sihost.exesihost.exe1⤵
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C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe"C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service1⤵
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C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe"C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service1⤵
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C:\Windows\explorer.exeexplorer.exe /LOADSAVEDWINDOWS1⤵
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C:\Windows\system32\sihost.exesihost.exe1⤵
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C:\Windows\explorer.exeexplorer.exe1⤵
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C:\Windows\explorer.exeexplorer.exe1⤵
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C:\Windows\system32\sihost.exesihost.exe1⤵
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C:\Windows\explorer.exeexplorer.exe /LOADSAVEDWINDOWS2⤵
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {9BA05972-F6A8-11CF-A442-00A0C90A8F39} -Embedding1⤵
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C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca1⤵
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C:\Windows\system32\sihost.exesihost.exe1⤵
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C:\Windows\system32\sihost.exesihost.exe1⤵
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C:\Windows\explorer.exeexplorer.exe /LOADSAVEDWINDOWS2⤵
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C:\Windows\explorer.exeexplorer.exe1⤵
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {9BA05972-F6A8-11CF-A442-00A0C90A8F39} -Embedding1⤵
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C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca1⤵
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C:\Windows\system32\sihost.exesihost.exe1⤵
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C:\Windows\explorer.exeexplorer.exe /LOADSAVEDWINDOWS2⤵
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
64KB
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Filesize
4KB
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Filesize
6.1MB
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Filesize
6.1MB
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Filesize
6.1MB
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Filesize
6.1MB
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Filesize
64KB
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Filesize
64KB
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Filesize
6.1MB
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Filesize
64KB
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Filesize
6.1MB
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Filesize
6.1MB
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Filesize
6.1MB
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Filesize
4KB
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Filesize
6.1MB
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Filesize
6.1MB
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Filesize
6.1MB
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Filesize
6.1MB
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Filesize
6.1MB
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Filesize
6.1MB
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Filesize
6.1MB
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Filesize
6.1MB
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Filesize
6.1MB
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Filesize
6.1MB
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Filesize
6.1MB
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Filesize
6.1MB