Analysis
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max time kernel
150s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
27-09-2022 08:53
Behavioral task
behavioral1
Sample
54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe
Resource
win10v2004-20220901-en
General
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Target
54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe
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Size
669KB
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MD5
3981aa980e34be2f97b9f29bd5e98bdd
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SHA1
adb6470c8d918e772fbc590aa3850cd9e214f783
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SHA256
54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186
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SHA512
b147389eaf789647b74a924875b14ab813e322e2a1a8a5b8366fa1805bf1c71631f7cf4179475c4e9a2826f7038c0d96793f7daa545808eb4d20b1c23ab18685
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SSDEEP
12288:dQA0FfTcwpBuV2UxqDmuiLZeUaoFi2XZWfGe615HhAZV8DXKD/KeX:Tuf4wTuV2Ux3uIZeUBi2Te6HWCKrKe
Malware Config
Extracted
C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\how_to_back_files.html
Signatures
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MedusaLocker
Ransomware with several variants first seen in September 2019.
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MedusaLocker payload 2 IoCs
resource yara_rule behavioral1/files/0x000c0000000054a8-61.dat family_medusalocker behavioral1/files/0x000c0000000054a8-63.dat family_medusalocker -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe -
Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Executes dropped EXE 1 IoCs
pid Process 1284 svhost.exe -
Modifies extensions of user files 13 IoCs
Ransomware generally changes the extension on encrypted files.
description ioc Process File renamed C:\Users\Admin\Pictures\SwitchFind.tif => C:\Users\Admin\Pictures\SwitchFind.tif.netlock 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe File renamed C:\Users\Admin\Pictures\UndoConvert.png => C:\Users\Admin\Pictures\UndoConvert.png.netlock 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe File renamed C:\Users\Admin\Pictures\UnlockRepair.crw => C:\Users\Admin\Pictures\UnlockRepair.crw.netlock 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe File renamed C:\Users\Admin\Pictures\UnpublishRegister.tiff => C:\Users\Admin\Pictures\UnpublishRegister.tiff.netlock 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe File renamed C:\Users\Admin\Pictures\ClearPing.crw => C:\Users\Admin\Pictures\ClearPing.crw.netlock 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe File renamed C:\Users\Admin\Pictures\FindFormat.raw => C:\Users\Admin\Pictures\FindFormat.raw.netlock 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe File renamed C:\Users\Admin\Pictures\OutSet.raw => C:\Users\Admin\Pictures\OutSet.raw.netlock 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe File renamed C:\Users\Admin\Pictures\SetEnable.raw => C:\Users\Admin\Pictures\SetEnable.raw.netlock 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe File renamed C:\Users\Admin\Pictures\WatchExpand.crw => C:\Users\Admin\Pictures\WatchExpand.crw.netlock 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe File renamed C:\Users\Admin\Pictures\ReceiveSwitch.png => C:\Users\Admin\Pictures\ReceiveSwitch.png.netlock 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe File renamed C:\Users\Admin\Pictures\UnpublishExit.crw => C:\Users\Admin\Pictures\UnpublishExit.crw.netlock 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe File opened for modification C:\Users\Admin\Pictures\UnpublishRegister.tiff 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe File renamed C:\Users\Admin\Pictures\UnregisterAssert.png => C:\Users\Admin\Pictures\UnregisterAssert.png.netlock 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe -
Drops desktop.ini file(s) 1 IoCs
description ioc Process File opened for modification \??\Z:\$RECYCLE.BIN\S-1-5-21-3845472200-3839195424-595303356-1000\desktop.ini 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe -
Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\G: 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe File opened (read-only) \??\J: 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe File opened (read-only) \??\K: 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe File opened (read-only) \??\L: 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe File opened (read-only) \??\O: 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe File opened (read-only) \??\E: 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe File opened (read-only) \??\N: 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe File opened (read-only) \??\U: 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe File opened (read-only) \??\I: 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe File opened (read-only) \??\B: 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe File opened (read-only) \??\H: 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe File opened (read-only) \??\Q: 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe File opened (read-only) \??\W: 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe File opened (read-only) \??\X: 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe File opened (read-only) \??\Y: 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe File opened (read-only) \??\A: 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe File opened (read-only) \??\M: 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe File opened (read-only) \??\P: 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe File opened (read-only) \??\R: 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe File opened (read-only) \??\S: 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe File opened (read-only) \??\T: 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe File opened (read-only) \??\V: 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe File opened (read-only) \??\Z: 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe File opened (read-only) \??\F: 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Interacts with shadow copies 2 TTPs 3 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 1752 vssadmin.exe 1360 vssadmin.exe 1280 vssadmin.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe -
Suspicious use of AdjustPrivilegeToken 63 IoCs
description pid Process Token: SeBackupPrivilege 1976 vssvc.exe Token: SeRestorePrivilege 1976 vssvc.exe Token: SeAuditPrivilege 1976 vssvc.exe Token: SeIncreaseQuotaPrivilege 1632 wmic.exe Token: SeSecurityPrivilege 1632 wmic.exe Token: SeTakeOwnershipPrivilege 1632 wmic.exe Token: SeLoadDriverPrivilege 1632 wmic.exe Token: SeSystemProfilePrivilege 1632 wmic.exe Token: SeSystemtimePrivilege 1632 wmic.exe Token: SeProfSingleProcessPrivilege 1632 wmic.exe Token: SeIncBasePriorityPrivilege 1632 wmic.exe Token: SeCreatePagefilePrivilege 1632 wmic.exe Token: SeBackupPrivilege 1632 wmic.exe Token: SeRestorePrivilege 1632 wmic.exe Token: SeShutdownPrivilege 1632 wmic.exe Token: SeDebugPrivilege 1632 wmic.exe Token: SeSystemEnvironmentPrivilege 1632 wmic.exe Token: SeRemoteShutdownPrivilege 1632 wmic.exe Token: SeUndockPrivilege 1632 wmic.exe Token: SeManageVolumePrivilege 1632 wmic.exe Token: 33 1632 wmic.exe Token: 34 1632 wmic.exe Token: 35 1632 wmic.exe Token: SeIncreaseQuotaPrivilege 1816 wmic.exe Token: SeSecurityPrivilege 1816 wmic.exe Token: SeTakeOwnershipPrivilege 1816 wmic.exe Token: SeLoadDriverPrivilege 1816 wmic.exe Token: SeSystemProfilePrivilege 1816 wmic.exe Token: SeSystemtimePrivilege 1816 wmic.exe Token: SeProfSingleProcessPrivilege 1816 wmic.exe Token: SeIncBasePriorityPrivilege 1816 wmic.exe Token: SeCreatePagefilePrivilege 1816 wmic.exe Token: SeBackupPrivilege 1816 wmic.exe Token: SeRestorePrivilege 1816 wmic.exe Token: SeShutdownPrivilege 1816 wmic.exe Token: SeDebugPrivilege 1816 wmic.exe Token: SeSystemEnvironmentPrivilege 1816 wmic.exe Token: SeRemoteShutdownPrivilege 1816 wmic.exe Token: SeUndockPrivilege 1816 wmic.exe Token: SeManageVolumePrivilege 1816 wmic.exe Token: 33 1816 wmic.exe Token: 34 1816 wmic.exe Token: 35 1816 wmic.exe Token: SeIncreaseQuotaPrivilege 1644 wmic.exe Token: SeSecurityPrivilege 1644 wmic.exe Token: SeTakeOwnershipPrivilege 1644 wmic.exe Token: SeLoadDriverPrivilege 1644 wmic.exe Token: SeSystemProfilePrivilege 1644 wmic.exe Token: SeSystemtimePrivilege 1644 wmic.exe Token: SeProfSingleProcessPrivilege 1644 wmic.exe Token: SeIncBasePriorityPrivilege 1644 wmic.exe Token: SeCreatePagefilePrivilege 1644 wmic.exe Token: SeBackupPrivilege 1644 wmic.exe Token: SeRestorePrivilege 1644 wmic.exe Token: SeShutdownPrivilege 1644 wmic.exe Token: SeDebugPrivilege 1644 wmic.exe Token: SeSystemEnvironmentPrivilege 1644 wmic.exe Token: SeRemoteShutdownPrivilege 1644 wmic.exe Token: SeUndockPrivilege 1644 wmic.exe Token: SeManageVolumePrivilege 1644 wmic.exe Token: 33 1644 wmic.exe Token: 34 1644 wmic.exe Token: 35 1644 wmic.exe -
Suspicious use of WriteProcessMemory 28 IoCs
description pid Process procid_target PID 900 wrote to memory of 1280 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 27 PID 900 wrote to memory of 1280 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 27 PID 900 wrote to memory of 1280 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 27 PID 900 wrote to memory of 1280 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 27 PID 900 wrote to memory of 1632 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 30 PID 900 wrote to memory of 1632 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 30 PID 900 wrote to memory of 1632 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 30 PID 900 wrote to memory of 1632 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 30 PID 900 wrote to memory of 1752 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 32 PID 900 wrote to memory of 1752 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 32 PID 900 wrote to memory of 1752 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 32 PID 900 wrote to memory of 1752 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 32 PID 900 wrote to memory of 1816 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 34 PID 900 wrote to memory of 1816 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 34 PID 900 wrote to memory of 1816 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 34 PID 900 wrote to memory of 1816 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 34 PID 900 wrote to memory of 1360 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 36 PID 900 wrote to memory of 1360 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 36 PID 900 wrote to memory of 1360 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 36 PID 900 wrote to memory of 1360 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 36 PID 900 wrote to memory of 1644 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 38 PID 900 wrote to memory of 1644 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 38 PID 900 wrote to memory of 1644 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 38 PID 900 wrote to memory of 1644 900 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe 38 PID 556 wrote to memory of 1284 556 taskeng.exe 43 PID 556 wrote to memory of 1284 556 taskeng.exe 43 PID 556 wrote to memory of 1284 556 taskeng.exe 43 PID 556 wrote to memory of 1284 556 taskeng.exe 43 -
System policy modification 1 TTPs 3 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLinkedConnections = "1" 54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe"C:\Users\Admin\AppData\Local\Temp\54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe"1⤵
- UAC bypass
- Modifies extensions of user files
- Checks whether UAC is enabled
- Drops desktop.ini file(s)
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- System policy modification
PID:900 -
C:\Windows\SysWOW64\vssadmin.exevssadmin.exe Delete Shadows /All /Quiet2⤵
- Interacts with shadow copies
PID:1280
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C:\Windows\SysWOW64\Wbem\wmic.exewmic.exe SHADOWCOPY /nointeractive2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1632
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C:\Windows\SysWOW64\vssadmin.exevssadmin.exe Delete Shadows /All /Quiet2⤵
- Interacts with shadow copies
PID:1752
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C:\Windows\SysWOW64\Wbem\wmic.exewmic.exe SHADOWCOPY /nointeractive2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1816
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C:\Windows\SysWOW64\vssadmin.exevssadmin.exe Delete Shadows /All /Quiet2⤵
- Interacts with shadow copies
PID:1360
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C:\Windows\SysWOW64\Wbem\wmic.exewmic.exe SHADOWCOPY /nointeractive2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1644
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1976
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C:\Windows\system32\taskeng.exetaskeng.exe {697FF347-5145-4437-87DE-CB3C43D94E59} S-1-5-21-3845472200-3839195424-595303356-1000:ZERMMMDR\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:556 -
C:\Users\Admin\AppData\Roaming\svhost.exeC:\Users\Admin\AppData\Roaming\svhost.exe2⤵
- Executes dropped EXE
PID:1284
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
669KB
MD53981aa980e34be2f97b9f29bd5e98bdd
SHA1adb6470c8d918e772fbc590aa3850cd9e214f783
SHA25654b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186
SHA512b147389eaf789647b74a924875b14ab813e322e2a1a8a5b8366fa1805bf1c71631f7cf4179475c4e9a2826f7038c0d96793f7daa545808eb4d20b1c23ab18685
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Filesize
669KB
MD53981aa980e34be2f97b9f29bd5e98bdd
SHA1adb6470c8d918e772fbc590aa3850cd9e214f783
SHA25654b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186
SHA512b147389eaf789647b74a924875b14ab813e322e2a1a8a5b8366fa1805bf1c71631f7cf4179475c4e9a2826f7038c0d96793f7daa545808eb4d20b1c23ab18685