Analysis
- max time kernel
181s - max time network
167s - platform
windows7_x64 - resource
win7-en-20211208 - submitted
12/12/2021, 04:36
Static task
static1
Behavioral task
behavioral1
Sample
FecitAntiques.exe
Resource
win7-en-20211208
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
FecitAntiques.exe
Resource
win10-en-20211208
0 signatures
0 seconds
General
- Target FecitAntiques.exe
- Size 12KB
- Sample211212-e8ed4scaf5
- SHA256 f2e3f685256e5f31b05fc9f9ca470f527d7fdae28fa3190c8eba179473e20789
- MD5 6ac57a1e090e7abdb9b7212e058c43c6
- SHA1 0a1e239348a73b1a95ac1767c8afebe4b98cdeff
- SHA512 95748e2a5c90440206a815960eb864b787562d9dbe5d57a3279ef71d24143ff6f0f963925836623bfcb02914c0c0dea3cc0f731860c88101710659c445287a9e
- MD5 SHA1 SHA512
Score
8/10
Malware Config
Signatures
- Modifies extensions of user files 12 IoCs
Ransomware generally changes the extension on encrypted files.
description ioc Process File renamed C:\Users\Admin\Pictures\CheckpointResume.crw => C:\Users\Admin\Pictures\CheckpointResume.crw.khonsari FecitAntiques.exe File renamed C:\Users\Admin\Pictures\ConvertFromSet.raw => C:\Users\Admin\Pictures\ConvertFromSet.raw.khonsari FecitAntiques.exe File renamed C:\Users\Admin\Pictures\CopyUndo.crw => C:\Users\Admin\Pictures\CopyUndo.crw.khonsari FecitAntiques.exe File renamed C:\Users\Admin\Pictures\DisableSplit.crw => C:\Users\Admin\Pictures\DisableSplit.crw.khonsari FecitAntiques.exe File renamed C:\Users\Admin\Pictures\ReadWatch.raw => C:\Users\Admin\Pictures\ReadWatch.raw.khonsari FecitAntiques.exe File renamed C:\Users\Admin\Pictures\RevokeFind.crw => C:\Users\Admin\Pictures\RevokeFind.crw.khonsari FecitAntiques.exe File renamed C:\Users\Admin\Pictures\CheckpointOpen.png => C:\Users\Admin\Pictures\CheckpointOpen.png.khonsari FecitAntiques.exe File renamed C:\Users\Admin\Pictures\CompareImport.raw => C:\Users\Admin\Pictures\CompareImport.raw.khonsari FecitAntiques.exe File renamed C:\Users\Admin\Pictures\ConvertFromPing.crw => C:\Users\Admin\Pictures\ConvertFromPing.crw.khonsari FecitAntiques.exe File renamed C:\Users\Admin\Pictures\JoinAdd.raw => C:\Users\Admin\Pictures\JoinAdd.raw.khonsari FecitAntiques.exe File renamed C:\Users\Admin\Pictures\SearchMove.png => C:\Users\Admin\Pictures\SearchMove.png.khonsari FecitAntiques.exe File renamed C:\Users\Admin\Pictures\UndoNew.tif => C:\Users\Admin\Pictures\UndoNew.tif.khonsari FecitAntiques.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1628 FecitAntiques.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 700 NOTEPAD.EXE - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1628 wrote to memory of 556 1628 FecitAntiques.exe 27 PID 1628 wrote to memory of 556 1628 FecitAntiques.exe 27 PID 1628 wrote to memory of 556 1628 FecitAntiques.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\FecitAntiques.exe"C:\Users\Admin\AppData\Local\Temp\FecitAntiques.exe"1⤵
- Modifies extensions of user files
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1628 -
C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\HOW TO GET YOUR FILES BACK.TXT2⤵PID:556
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C:\Windows\explorer.exe"C:\Windows\explorer.exe"1⤵PID:984
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C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\HOW TO GET YOUR FILES BACK.TXT1⤵
- Suspicious use of FindShellTrayWindow
PID:700