Analysis
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max time kernel
43s -
max time network
45s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
04-01-2023 03:36
Static task
static1
Behavioral task
behavioral1
Sample
222e2b91f5becea8c7c05883e4a58796a1f68628fbb0852b533fed08d8e9b853.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
222e2b91f5becea8c7c05883e4a58796a1f68628fbb0852b533fed08d8e9b853.exe
Resource
win10v2004-20221111-en
Behavioral task
behavioral3
Sample
b5b105751a2bf965a6b78eeff100fe4c75282ad6f37f98b9adcd15d8c64283ec.exe
Resource
win7-20220812-en
Behavioral task
behavioral4
Sample
b5b105751a2bf965a6b78eeff100fe4c75282ad6f37f98b9adcd15d8c64283ec.exe
Resource
win10v2004-20220901-en
General
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Target
b5b105751a2bf965a6b78eeff100fe4c75282ad6f37f98b9adcd15d8c64283ec.exe
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Size
71KB
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MD5
0bbb9b0d573a9c6027ca7e0b1f5478bf
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SHA1
59e756e0da6a82a0f9046a3538d507c75eb95252
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SHA256
b5b105751a2bf965a6b78eeff100fe4c75282ad6f37f98b9adcd15d8c64283ec
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SHA512
69e35a67c1d714a2b3db1ddaa3aef8accbf1c867a2de8c27b3488f77055947d954d4b6a8c62e59f7a835fad8e8148a2a4e744090889fc6d5cc18da5aa7a1c032
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SSDEEP
1536:G+5geBR2Q+a8M124Zl2i5SADBDg8trv4t9MBY5yMv:GDeBgQ+a8M12Y2i59hrvWMBIv
Malware Config
Signatures
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Modifies extensions of user files 14 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
b5b105751a2bf965a6b78eeff100fe4c75282ad6f37f98b9adcd15d8c64283ec.exedescription ioc process File renamed C:\Users\Admin\Pictures\DismountPublish.tif => C:\users\admin\pictures\dismountpublish.tif.bluesky b5b105751a2bf965a6b78eeff100fe4c75282ad6f37f98b9adcd15d8c64283ec.exe File renamed C:\Users\Admin\Pictures\EnableComplete.crw => C:\users\admin\pictures\enablecomplete.crw.bluesky b5b105751a2bf965a6b78eeff100fe4c75282ad6f37f98b9adcd15d8c64283ec.exe File renamed C:\Users\Admin\Pictures\MeasureSelect.tif => C:\users\admin\pictures\measureselect.tif.bluesky b5b105751a2bf965a6b78eeff100fe4c75282ad6f37f98b9adcd15d8c64283ec.exe File opened for modification C:\users\admin\pictures\resumeunpublish.tiff b5b105751a2bf965a6b78eeff100fe4c75282ad6f37f98b9adcd15d8c64283ec.exe File renamed C:\Users\Admin\Pictures\StepProtect.raw => C:\users\admin\pictures\stepprotect.raw.bluesky b5b105751a2bf965a6b78eeff100fe4c75282ad6f37f98b9adcd15d8c64283ec.exe File renamed C:\Users\Admin\Pictures\BackupConvertFrom.tif => C:\users\admin\pictures\backupconvertfrom.tif.bluesky b5b105751a2bf965a6b78eeff100fe4c75282ad6f37f98b9adcd15d8c64283ec.exe File renamed C:\Users\Admin\Pictures\ConvertFind.tif => C:\users\admin\pictures\convertfind.tif.bluesky b5b105751a2bf965a6b78eeff100fe4c75282ad6f37f98b9adcd15d8c64283ec.exe File renamed C:\Users\Admin\Pictures\OutCheckpoint.crw => C:\users\admin\pictures\outcheckpoint.crw.bluesky b5b105751a2bf965a6b78eeff100fe4c75282ad6f37f98b9adcd15d8c64283ec.exe File renamed C:\Users\Admin\Pictures\PublishRead.png => C:\users\admin\pictures\publishread.png.bluesky b5b105751a2bf965a6b78eeff100fe4c75282ad6f37f98b9adcd15d8c64283ec.exe File renamed C:\Users\Admin\Pictures\UnprotectPop.raw => C:\users\admin\pictures\unprotectpop.raw.bluesky b5b105751a2bf965a6b78eeff100fe4c75282ad6f37f98b9adcd15d8c64283ec.exe File renamed C:\Users\Admin\Pictures\CompressHide.png => C:\users\admin\pictures\compresshide.png.bluesky b5b105751a2bf965a6b78eeff100fe4c75282ad6f37f98b9adcd15d8c64283ec.exe File renamed C:\Users\Admin\Pictures\ResumeUnpublish.tiff => C:\users\admin\pictures\resumeunpublish.tiff.bluesky b5b105751a2bf965a6b78eeff100fe4c75282ad6f37f98b9adcd15d8c64283ec.exe File renamed C:\Users\Admin\Pictures\SearchNew.png => C:\users\admin\pictures\searchnew.png.bluesky b5b105751a2bf965a6b78eeff100fe4c75282ad6f37f98b9adcd15d8c64283ec.exe File renamed C:\Users\Admin\Pictures\UpdateBlock.png => C:\users\admin\pictures\updateblock.png.bluesky b5b105751a2bf965a6b78eeff100fe4c75282ad6f37f98b9adcd15d8c64283ec.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 1924 cmd.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
Processes:
b5b105751a2bf965a6b78eeff100fe4c75282ad6f37f98b9adcd15d8c64283ec.exepid process 1940 b5b105751a2bf965a6b78eeff100fe4c75282ad6f37f98b9adcd15d8c64283ec.exe 1940 b5b105751a2bf965a6b78eeff100fe4c75282ad6f37f98b9adcd15d8c64283ec.exe 1940 b5b105751a2bf965a6b78eeff100fe4c75282ad6f37f98b9adcd15d8c64283ec.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
b5b105751a2bf965a6b78eeff100fe4c75282ad6f37f98b9adcd15d8c64283ec.exepid process 1940 b5b105751a2bf965a6b78eeff100fe4c75282ad6f37f98b9adcd15d8c64283ec.exe 1940 b5b105751a2bf965a6b78eeff100fe4c75282ad6f37f98b9adcd15d8c64283ec.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
b5b105751a2bf965a6b78eeff100fe4c75282ad6f37f98b9adcd15d8c64283ec.exedescription pid process Token: SeDebugPrivilege 1940 b5b105751a2bf965a6b78eeff100fe4c75282ad6f37f98b9adcd15d8c64283ec.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
b5b105751a2bf965a6b78eeff100fe4c75282ad6f37f98b9adcd15d8c64283ec.exepid process 1940 b5b105751a2bf965a6b78eeff100fe4c75282ad6f37f98b9adcd15d8c64283ec.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
b5b105751a2bf965a6b78eeff100fe4c75282ad6f37f98b9adcd15d8c64283ec.execmd.exedescription pid process target process PID 1940 wrote to memory of 1924 1940 b5b105751a2bf965a6b78eeff100fe4c75282ad6f37f98b9adcd15d8c64283ec.exe cmd.exe PID 1940 wrote to memory of 1924 1940 b5b105751a2bf965a6b78eeff100fe4c75282ad6f37f98b9adcd15d8c64283ec.exe cmd.exe PID 1940 wrote to memory of 1924 1940 b5b105751a2bf965a6b78eeff100fe4c75282ad6f37f98b9adcd15d8c64283ec.exe cmd.exe PID 1940 wrote to memory of 1924 1940 b5b105751a2bf965a6b78eeff100fe4c75282ad6f37f98b9adcd15d8c64283ec.exe cmd.exe PID 1924 wrote to memory of 288 1924 cmd.exe PING.EXE PID 1924 wrote to memory of 288 1924 cmd.exe PING.EXE PID 1924 wrote to memory of 288 1924 cmd.exe PING.EXE PID 1924 wrote to memory of 288 1924 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\b5b105751a2bf965a6b78eeff100fe4c75282ad6f37f98b9adcd15d8c64283ec.exe"C:\Users\Admin\AppData\Local\Temp\b5b105751a2bf965a6b78eeff100fe4c75282ad6f37f98b9adcd15d8c64283ec.exe"1⤵
- Modifies extensions of user files
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1940 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 -n 3 > nul & del "C:\Users\Admin\AppData\Local\Temp\b5b105751a2bf965a6b78eeff100fe4c75282ad6f37f98b9adcd15d8c64283ec.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1924 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 33⤵
- Runs ping.exe
PID:288
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