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Analysis
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max time kernel
118s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
28/01/2024, 23:56
Behavioral task
behavioral1
Sample
8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe
Resource
win10v2004-20231222-en
General
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Target
8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe
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Size
99KB
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MD5
c671cc09124f5fdebd6d5ab320cb42d6
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SHA1
a4ec9d5ad5d533618d77c01044a100477235f772
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SHA256
6d4074b4267582300b8c157634bc1599dd7a79dd80149929cc08c08c04e6b34d
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SHA512
4131ceb1b6ee9732bbc2aeaf87dfda198a5f58119ffbee64f88ca8d5a5f73b60fff065c1748b1247c1e6b90dd295857953a71a5d9321a9383b1a789ce79393a2
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SSDEEP
1536:4Ij4ZMAim2szHhIv49A08qIPPgBvlmYkw7OOlhIWGYkb+EC3LZ9m7nDofS9Z1Gn:NsvimVzHCfqL1l57hsvYkyEooDgS
Malware Config
Signatures
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Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Detects command variations typically used by ransomware 1 IoCs
resource yara_rule behavioral1/memory/2672-524-0x000000013F2A0000-0x000000013F2E2000-memory.dmp INDICATOR_SUSPICIOUS_GENRansomware -
Detects executables containing many references to VEEAM. Observed in ransomware 1 IoCs
resource yara_rule behavioral1/memory/2672-524-0x000000013F2A0000-0x000000013F2E2000-memory.dmp INDICATOR_SUSPICOUS_EXE_References_VEEAM -
Detects executables referencing many IR and analysis tools 1 IoCs
resource yara_rule behavioral1/memory/2672-524-0x000000013F2A0000-0x000000013F2E2000-memory.dmp INDICATOR_SUSPICIOUS_References_SecTools -
Renames multiple (293) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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UPX dump on OEP (original entry point) 2 IoCs
resource yara_rule behavioral1/memory/2672-0-0x000000013F2A0000-0x000000013F2E2000-memory.dmp UPX behavioral1/memory/2672-524-0x000000013F2A0000-0x000000013F2E2000-memory.dmp UPX -
resource yara_rule behavioral1/memory/2672-0-0x000000013F2A0000-0x000000013F2E2000-memory.dmp upx behavioral1/memory/2672-524-0x000000013F2A0000-0x000000013F2E2000-memory.dmp upx -
Drops desktop.ini file(s) 1 IoCs
description ioc Process File opened for modification \??\M:\$RECYCLE.BIN\S-1-5-21-3601492379-692465709-652514833-1000\desktop.ini 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\P: 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe File opened (read-only) \??\S: 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe File opened (read-only) \??\X: 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe File opened (read-only) \??\M: 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe File opened (read-only) \??\A: 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe File opened (read-only) \??\J: 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe File opened (read-only) \??\H: 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe File opened (read-only) \??\K: 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe File opened (read-only) \??\Z: 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe File opened (read-only) \??\W: 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe File opened (read-only) \??\E: 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe File opened (read-only) \??\T: 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe File opened (read-only) \??\Y: 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe File opened (read-only) \??\G: 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe File opened (read-only) \??\V: 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe File opened (read-only) \??\B: 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe File opened (read-only) \??\L: 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe File opened (read-only) \??\N: 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe File opened (read-only) \??\Q: 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe File opened (read-only) \??\R: 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe File opened (read-only) \??\U: 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe File opened (read-only) \??\I: 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe File opened (read-only) \??\O: 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe -
Modifies boot configuration data using bcdedit 4 IoCs
pid Process 2708 bcdedit.exe 2916 bcdedit.exe 2676 bcdedit.exe 1344 bcdedit.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\readme.bmp" 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Interacts with shadow copies 2 TTPs 2 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 2796 vssadmin.exe 2204 vssadmin.exe -
Modifies Control Panel 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Control Panel\Desktop\WallpaperStyle = "0" 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Control Panel\Desktop\TileWallpaper = "0" 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe -
Suspicious behavior: EnumeratesProcesses 19 IoCs
pid Process 2672 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe 2672 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe 2672 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe 2672 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe 2672 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe 2672 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe 2672 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe 2672 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe 2672 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe 2672 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe 2672 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe 2672 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe 2672 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe 2672 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe 2672 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe 2672 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe 2672 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe 2672 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe 2672 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 2112 WMIC.exe Token: SeSecurityPrivilege 2112 WMIC.exe Token: SeTakeOwnershipPrivilege 2112 WMIC.exe Token: SeLoadDriverPrivilege 2112 WMIC.exe Token: SeSystemProfilePrivilege 2112 WMIC.exe Token: SeSystemtimePrivilege 2112 WMIC.exe Token: SeProfSingleProcessPrivilege 2112 WMIC.exe Token: SeIncBasePriorityPrivilege 2112 WMIC.exe Token: SeCreatePagefilePrivilege 2112 WMIC.exe Token: SeBackupPrivilege 2112 WMIC.exe Token: SeRestorePrivilege 2112 WMIC.exe Token: SeShutdownPrivilege 2112 WMIC.exe Token: SeDebugPrivilege 2112 WMIC.exe Token: SeSystemEnvironmentPrivilege 2112 WMIC.exe Token: SeRemoteShutdownPrivilege 2112 WMIC.exe Token: SeUndockPrivilege 2112 WMIC.exe Token: SeManageVolumePrivilege 2112 WMIC.exe Token: 33 2112 WMIC.exe Token: 34 2112 WMIC.exe Token: 35 2112 WMIC.exe Token: SeIncreaseQuotaPrivilege 2112 WMIC.exe Token: SeSecurityPrivilege 2112 WMIC.exe Token: SeTakeOwnershipPrivilege 2112 WMIC.exe Token: SeLoadDriverPrivilege 2112 WMIC.exe Token: SeSystemProfilePrivilege 2112 WMIC.exe Token: SeSystemtimePrivilege 2112 WMIC.exe Token: SeProfSingleProcessPrivilege 2112 WMIC.exe Token: SeIncBasePriorityPrivilege 2112 WMIC.exe Token: SeCreatePagefilePrivilege 2112 WMIC.exe Token: SeBackupPrivilege 2112 WMIC.exe Token: SeRestorePrivilege 2112 WMIC.exe Token: SeShutdownPrivilege 2112 WMIC.exe Token: SeDebugPrivilege 2112 WMIC.exe Token: SeSystemEnvironmentPrivilege 2112 WMIC.exe Token: SeRemoteShutdownPrivilege 2112 WMIC.exe Token: SeUndockPrivilege 2112 WMIC.exe Token: SeManageVolumePrivilege 2112 WMIC.exe Token: 33 2112 WMIC.exe Token: 34 2112 WMIC.exe Token: 35 2112 WMIC.exe Token: SeBackupPrivilege 1708 vssvc.exe Token: SeRestorePrivilege 1708 vssvc.exe Token: SeAuditPrivilege 1708 vssvc.exe Token: SeIncreaseQuotaPrivilege 2744 WMIC.exe Token: SeSecurityPrivilege 2744 WMIC.exe Token: SeTakeOwnershipPrivilege 2744 WMIC.exe Token: SeLoadDriverPrivilege 2744 WMIC.exe Token: SeSystemProfilePrivilege 2744 WMIC.exe Token: SeSystemtimePrivilege 2744 WMIC.exe Token: SeProfSingleProcessPrivilege 2744 WMIC.exe Token: SeIncBasePriorityPrivilege 2744 WMIC.exe Token: SeCreatePagefilePrivilege 2744 WMIC.exe Token: SeBackupPrivilege 2744 WMIC.exe Token: SeRestorePrivilege 2744 WMIC.exe Token: SeShutdownPrivilege 2744 WMIC.exe Token: SeDebugPrivilege 2744 WMIC.exe Token: SeSystemEnvironmentPrivilege 2744 WMIC.exe Token: SeRemoteShutdownPrivilege 2744 WMIC.exe Token: SeUndockPrivilege 2744 WMIC.exe Token: SeManageVolumePrivilege 2744 WMIC.exe Token: 33 2744 WMIC.exe Token: 34 2744 WMIC.exe Token: 35 2744 WMIC.exe Token: SeIncreaseQuotaPrivilege 2744 WMIC.exe -
Suspicious use of WriteProcessMemory 48 IoCs
description pid Process procid_target PID 2672 wrote to memory of 496 2672 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe 29 PID 2672 wrote to memory of 496 2672 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe 29 PID 2672 wrote to memory of 496 2672 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe 29 PID 2672 wrote to memory of 2172 2672 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe 31 PID 2672 wrote to memory of 2172 2672 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe 31 PID 2672 wrote to memory of 2172 2672 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe 31 PID 2672 wrote to memory of 1264 2672 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe 33 PID 2672 wrote to memory of 1264 2672 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe 33 PID 2672 wrote to memory of 1264 2672 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe 33 PID 2672 wrote to memory of 1796 2672 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe 35 PID 2672 wrote to memory of 1796 2672 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe 35 PID 2672 wrote to memory of 1796 2672 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe 35 PID 496 wrote to memory of 2796 496 cmd.exe 36 PID 496 wrote to memory of 2796 496 cmd.exe 36 PID 496 wrote to memory of 2796 496 cmd.exe 36 PID 2172 wrote to memory of 2112 2172 cmd.exe 38 PID 2172 wrote to memory of 2112 2172 cmd.exe 38 PID 2172 wrote to memory of 2112 2172 cmd.exe 38 PID 1264 wrote to memory of 2708 1264 cmd.exe 39 PID 1264 wrote to memory of 2708 1264 cmd.exe 39 PID 1264 wrote to memory of 2708 1264 cmd.exe 39 PID 1796 wrote to memory of 2916 1796 cmd.exe 41 PID 1796 wrote to memory of 2916 1796 cmd.exe 41 PID 1796 wrote to memory of 2916 1796 cmd.exe 41 PID 2672 wrote to memory of 2024 2672 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe 45 PID 2672 wrote to memory of 2024 2672 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe 45 PID 2672 wrote to memory of 2024 2672 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe 45 PID 2672 wrote to memory of 1744 2672 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe 47 PID 2672 wrote to memory of 1744 2672 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe 47 PID 2672 wrote to memory of 1744 2672 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe 47 PID 2672 wrote to memory of 1936 2672 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe 48 PID 2672 wrote to memory of 1936 2672 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe 48 PID 2672 wrote to memory of 1936 2672 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe 48 PID 2672 wrote to memory of 3032 2672 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe 51 PID 2672 wrote to memory of 3032 2672 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe 51 PID 2672 wrote to memory of 3032 2672 8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe 51 PID 2024 wrote to memory of 2204 2024 cmd.exe 53 PID 2024 wrote to memory of 2204 2024 cmd.exe 53 PID 2024 wrote to memory of 2204 2024 cmd.exe 53 PID 1936 wrote to memory of 2676 1936 cmd.exe 54 PID 1936 wrote to memory of 2676 1936 cmd.exe 54 PID 1936 wrote to memory of 2676 1936 cmd.exe 54 PID 1744 wrote to memory of 2744 1744 cmd.exe 55 PID 1744 wrote to memory of 2744 1744 cmd.exe 55 PID 1744 wrote to memory of 2744 1744 cmd.exe 55 PID 3032 wrote to memory of 1344 3032 cmd.exe 56 PID 3032 wrote to memory of 1344 3032 cmd.exe 56 PID 3032 wrote to memory of 1344 3032 cmd.exe 56 -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe"C:\Users\Admin\AppData\Local\Temp\8d5091361064ccf9dea8a658a87f25555cce08089774b628982995218d6b081e.exe"1⤵
- Drops desktop.ini file(s)
- Enumerates connected drives
- Sets desktop wallpaper using registry
- Modifies Control Panel
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2672 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet2⤵
- Suspicious use of WriteProcessMemory
PID:496 -
C:\Windows\system32\vssadmin.exevssadmin.exe delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:2796
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c wmic SHADOWCOPY DELETE2⤵
- Suspicious use of WriteProcessMemory
PID:2172 -
C:\Windows\System32\Wbem\WMIC.exewmic SHADOWCOPY DELETE3⤵
- Suspicious use of AdjustPrivilegeToken
PID:2112
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c bcdedit / set{ default } recoveryenabled No2⤵
- Suspicious use of WriteProcessMemory
PID:1264 -
C:\Windows\system32\bcdedit.exebcdedit / set{ default } recoveryenabled No3⤵
- Modifies boot configuration data using bcdedit
PID:2708
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c bcdedit / set{ default } bootstatuspolicy ignoreallfailures2⤵
- Suspicious use of WriteProcessMemory
PID:1796 -
C:\Windows\system32\bcdedit.exebcdedit / set{ default } bootstatuspolicy ignoreallfailures3⤵
- Modifies boot configuration data using bcdedit
PID:2916
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet2⤵
- Suspicious use of WriteProcessMemory
PID:2024 -
C:\Windows\system32\vssadmin.exevssadmin.exe delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:2204
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c wmic SHADOWCOPY DELETE2⤵
- Suspicious use of WriteProcessMemory
PID:1744 -
C:\Windows\System32\Wbem\WMIC.exewmic SHADOWCOPY DELETE3⤵
- Suspicious use of AdjustPrivilegeToken
PID:2744
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c bcdedit / set{ default } recoveryenabled No2⤵
- Suspicious use of WriteProcessMemory
PID:1936 -
C:\Windows\system32\bcdedit.exebcdedit / set{ default } recoveryenabled No3⤵
- Modifies boot configuration data using bcdedit
PID:2676
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c bcdedit / set{ default } bootstatuspolicy ignoreallfailures2⤵
- Suspicious use of WriteProcessMemory
PID:3032 -
C:\Windows\system32\bcdedit.exebcdedit / set{ default } bootstatuspolicy ignoreallfailures3⤵
- Modifies boot configuration data using bcdedit
PID:1344
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1708
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5b05e32b7e78e82f01f6f0c7d1411ee67
SHA12e1dda46f8561858b378d19a24b839062f794274
SHA256f058bc2a88431119f286f2708751f25449dc1d58e1c87de3bb38aff764c814a8
SHA5126cb7c842a48b9f982ac87280ded95e206e2b9055f9f51ea84f6060470a61a35decbb688650c0d6b7c318df018078af0c0a1afe0ce65db1b460d75ae7800e2d3c