maze | bff478766c3a3962228a15fcaae1fbf8c31ec337a83496c4670cd3e704ead735

General

Target

pawufefu.msi
Size

496KB
MD5

af64b568501ce3d7e43ace3dca1183e2
SHA1

88d52d7ebe72415d1ee1ff16ffe8afda0b052df0
SHA256

bff478766c3a3962228a15fcaae1fbf8c31ec337a83496c4670cd3e704ead735
SHA512

b949b3cb7c80c38c38493b20c8e96e40343f79e265a5a1f73ecc9f1f34966e13079dcfc7b554ef67de5ab4e00f45b1dda5802f90084f5a64de8431d2d8f0943d
SSDEEP

12288:2sUSmjkJmRAp8QbNeSAt8wCz7JIXybzHI+c0zVH:nekURQzbNeSug3JIXybzxh

Score

10^/10

maze ransomware trojan

Malware Config

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-1154728922-3261336865-3456416385-1000\DECRYPT-FILES.txt

Family

maze

Ransom Note

Attention! ---------------------------- | What happened? ---------------------------- We hacked your network and now all your files, documents, photos, databases, and other important data are safely encrypted with reliable algorithms. You cannot access the files right now. But do not worry. You can get it back! It is easy to recover in a few steps. We have also downloaded a lot of private data from your network, so in case of not contacting us as soon as possible this data will be released. If you do not contact us in a 3 days we will post information about your breach on our public news website and after 7 days the whole downloaded info. To see what happens to those who don't contact us, google: * Southwire Maze Ransomware * MDLab Maze Ransomware * City of Pensacola Maze Ransomware After the payment the data will be removed from our disks and decryptor will be given to you, so you can restore all your files. ---------------------------- | How to contact us and get my files back? ---------------------------- The only method to restore your files and be safe from data leakage is to purchase a unique for you private key which is securely stored on our servers. To contact us and purchase the key you have to visit our website in a hidden TOR network. There are general 2 ways to reach us: 1) [Recommended] Using hidden TOR network. a) Download a special TOR browser: https://www.torproject.org/ b) Install the TOR Browser. c) Open the TOR Browser. d) Open our website in the TOR browser: http://aoacugmutagkwctu.onion/6c210cb7c0df7a38 e) Follow the instructions on this page. 2) If you have any problems connecting or using TOR network a) Open our website: https://mazedecrypt.top/6c210cb7c0df7a38 b) Follow the instructions on this page. Warning: the second (2) method can be blocked in some countries. That is why the first (1) method is recommended to use. On this page, you will see instructions on how to make a free decryption test and how to pay. Also it has a live chat with our operators and support team. ---------------------------- | What about guarantees? ---------------------------- We understand your stress and worry. So you have a FREE opportunity to test a service by instantly decrypting for free three files from every system in your network. If you have any problems our friendly support team is always here to assist you in a live chat! P.S. Dear system administrators, do not think you can handle it by yourself. Inform leadership as soon as possible. By hiding the fact of the breach you will be eventually fired and sometimes even sued. ------------------------------------------------------------------------------- THIS IS A SPECIAL BLOCK WITH A PERSONAL AND CONFIDENTIAL INFORMATION! DO NOT TOUCH IT WE NEED IT TO IDENTIFY AND AUTHORIZE YOU ---BEGIN MAZE KEY--- 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 ---END MAZE KEY---

URLs

http://aoacugmutagkwctu.onion/6c210cb7c0df7a38

https://mazedecrypt.top/6c210cb7c0df7a38

Signatures

Maze
Ransomware family also known as ChaCha.
trojan ransomware maze
Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware

File Deletion
T1070.004

Inhibit System Recovery
T1490

Drops startup file 2 IoCs

Processes:

MsiExec.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DECRYPT-FILES.txt	MsiExec.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6c210cb7c0df7a38.tmp	MsiExec.exe

Loads dropped DLL 1 IoCs

Processes:

MsiExec.exe

pid process

1140 MsiExec.exe

pid	process
1140	MsiExec.exe

Enumerates connected drives 3 TTPs 46 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

msiexec.exemsiexec.exe

description	ioc	process
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

MsiExec.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\\\111.bmp"	MsiExec.exe

Drops file in Program Files directory 42 IoCs

Processes:

MsiExec.exemsiexec.exe

description	ioc	process
File opened for modification	C:\Program Files\FormatBackup.lock	MsiExec.exe
File opened for modification	C:\Program Files\PopDeny.mp2	MsiExec.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server Compact Edition\6c210cb7c0df7a38.tmp	MsiExec.exe
File created	C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\Desktop\DECRYPT-FILES.txt	MsiExec.exe
File opened for modification	C:\Program Files\WriteStop.xlsm	MsiExec.exe
File opened for modification	C:\Program Files (x86)\6c210cb7c0df7a38.tmp	MsiExec.exe
File opened for modification	C:\Program Files\DisableConvertTo.scf	MsiExec.exe
File opened for modification	C:\Program Files\EnableCheckpoint.xhtml	MsiExec.exe
File opened for modification	C:\Program Files\FindEdit.vdw	MsiExec.exe
File opened for modification	C:\Program Files\InitializeAssert.mhtml	MsiExec.exe
File opened for modification	C:\Program Files\ReadSubmit.ppsm	MsiExec.exe
File opened for modification	C:\Program Files\TestClear.mpv2	MsiExec.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\6c210cb7c0df7a38.tmp	MsiExec.exe
File created	C:\Program Files (x86)\pawufefu\ReadMe.txt	msiexec.exe
File opened for modification	C:\Program Files\AddOpen.bin	MsiExec.exe
File opened for modification	C:\Program Files\ResolveNew.dot	MsiExec.exe
File opened for modification	C:\Program Files\RestartRead.m1v	MsiExec.exe
File opened for modification	C:\Program Files\SelectApprove.M2V	MsiExec.exe
File created	C:\Program Files (x86)\DECRYPT-FILES.txt	MsiExec.exe
File opened for modification	C:\Program Files\6c210cb7c0df7a38.tmp	MsiExec.exe
File opened for modification	C:\Program Files\PublishResolve.mp4v	MsiExec.exe
File opened for modification	C:\Program Files\RenameComplete.jpeg	MsiExec.exe
File opened for modification	C:\Program Files\ResetReceive.docx	MsiExec.exe
File opened for modification	C:\Program Files\UnprotectSend.js	MsiExec.exe
File created	C:\Program Files (x86)\Microsoft SQL Server Compact Edition\DECRYPT-FILES.txt	MsiExec.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\Desktop\6c210cb7c0df7a38.tmp	MsiExec.exe
File opened for modification	C:\Program Files\AssertRestart.svgz	MsiExec.exe
File opened for modification	C:\Program Files\DisableRemove.au	MsiExec.exe
File opened for modification	C:\Program Files\DisconnectProtect.reg	MsiExec.exe
File opened for modification	C:\Program Files\JoinFind.midi	MsiExec.exe
File opened for modification	C:\Program Files\MeasureConvert.vssx	MsiExec.exe
File opened for modification	C:\Program Files\WriteMove.xltx	MsiExec.exe
File created	C:\Program Files\DECRYPT-FILES.txt	MsiExec.exe
File opened for modification	C:\Program Files\CopyBackup.DVR	MsiExec.exe
File opened for modification	C:\Program Files\SubmitDeny.vbs	MsiExec.exe
File opened for modification	C:\Program Files\SuspendUndo.vsdx	MsiExec.exe
File opened for modification	C:\Program Files\DisableSuspend.odp	MsiExec.exe
File opened for modification	C:\Program Files\PopDisable.mp3	MsiExec.exe
File opened for modification	C:\Program Files\PopPush.avi	MsiExec.exe
File created	C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\DECRYPT-FILES.txt	MsiExec.exe
File opened for modification	C:\Program Files\CloseRegister.tmp	MsiExec.exe
File opened for modification	C:\Program Files\MountEdit.mp2v	MsiExec.exe

Drops file in Windows directory 9 IoCs

Processes:

DrvInst.exemsiexec.exe

description	ioc	process
File opened for modification	C:\Windows\INF\setupapi.ev1	DrvInst.exe
File opened for modification	C:\Windows\INF\setupapi.dev.log	DrvInst.exe
File created	C:\Windows\Installer\f769a1d.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\f769a1d.msi	msiexec.exe
File created	C:\Windows\Installer\f769a1e.ipi	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI9CAD.tmp	msiexec.exe
File opened for modification	C:\Windows\INF\setupapi.ev3	DrvInst.exe
File opened for modification	C:\Windows\Installer\MSI9D89.tmp	msiexec.exe

Modifies data under HKEY_USERS 43 IoCs

Processes:

DrvInst.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\My	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\Certificates	DrvInst.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CTLs	DrvInst.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

msiexec.exeMsiExec.exe

pid process

2116 msiexec.exe
2116 msiexec.exe
1140 MsiExec.exe

pid	process
2116	msiexec.exe
2116	msiexec.exe
1140	MsiExec.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

msiexec.exemsiexec.exevssvc.exeDrvInst.exewmic.exe

description	pid	process
Token: SeShutdownPrivilege	2076	msiexec.exe
Token: SeIncreaseQuotaPrivilege	2076	msiexec.exe
Token: SeRestorePrivilege	2116	msiexec.exe
Token: SeTakeOwnershipPrivilege	2116	msiexec.exe
Token: SeSecurityPrivilege	2116	msiexec.exe
Token: SeCreateTokenPrivilege	2076	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	2076	msiexec.exe
Token: SeLockMemoryPrivilege	2076	msiexec.exe
Token: SeIncreaseQuotaPrivilege	2076	msiexec.exe
Token: SeMachineAccountPrivilege	2076	msiexec.exe
Token: SeTcbPrivilege	2076	msiexec.exe
Token: SeSecurityPrivilege	2076	msiexec.exe
Token: SeTakeOwnershipPrivilege	2076	msiexec.exe
Token: SeLoadDriverPrivilege	2076	msiexec.exe
Token: SeSystemProfilePrivilege	2076	msiexec.exe
Token: SeSystemtimePrivilege	2076	msiexec.exe
Token: SeProfSingleProcessPrivilege	2076	msiexec.exe
Token: SeIncBasePriorityPrivilege	2076	msiexec.exe
Token: SeCreatePagefilePrivilege	2076	msiexec.exe
Token: SeCreatePermanentPrivilege	2076	msiexec.exe
Token: SeBackupPrivilege	2076	msiexec.exe
Token: SeRestorePrivilege	2076	msiexec.exe
Token: SeShutdownPrivilege	2076	msiexec.exe
Token: SeDebugPrivilege	2076	msiexec.exe
Token: SeAuditPrivilege	2076	msiexec.exe
Token: SeSystemEnvironmentPrivilege	2076	msiexec.exe
Token: SeChangeNotifyPrivilege	2076	msiexec.exe
Token: SeRemoteShutdownPrivilege	2076	msiexec.exe
Token: SeUndockPrivilege	2076	msiexec.exe
Token: SeSyncAgentPrivilege	2076	msiexec.exe
Token: SeEnableDelegationPrivilege	2076	msiexec.exe
Token: SeManageVolumePrivilege	2076	msiexec.exe
Token: SeImpersonatePrivilege	2076	msiexec.exe
Token: SeCreateGlobalPrivilege	2076	msiexec.exe
Token: SeBackupPrivilege	2064	vssvc.exe
Token: SeRestorePrivilege	2064	vssvc.exe
Token: SeAuditPrivilege	2064	vssvc.exe
Token: SeBackupPrivilege	2116	msiexec.exe
Token: SeRestorePrivilege	2116	msiexec.exe
Token: SeRestorePrivilege	2756	DrvInst.exe
Token: SeRestorePrivilege	2756	DrvInst.exe
Token: SeRestorePrivilege	2756	DrvInst.exe
Token: SeRestorePrivilege	2756	DrvInst.exe
Token: SeRestorePrivilege	2756	DrvInst.exe
Token: SeRestorePrivilege	2756	DrvInst.exe
Token: SeRestorePrivilege	2756	DrvInst.exe
Token: SeLoadDriverPrivilege	2756	DrvInst.exe
Token: SeLoadDriverPrivilege	2756	DrvInst.exe
Token: SeLoadDriverPrivilege	2756	DrvInst.exe
Token: SeRestorePrivilege	2116	msiexec.exe
Token: SeTakeOwnershipPrivilege	2116	msiexec.exe
Token: SeRestorePrivilege	2116	msiexec.exe
Token: SeTakeOwnershipPrivilege	2116	msiexec.exe
Token: SeRestorePrivilege	2116	msiexec.exe
Token: SeTakeOwnershipPrivilege	2116	msiexec.exe
Token: SeRestorePrivilege	2116	msiexec.exe
Token: SeTakeOwnershipPrivilege	2116	msiexec.exe
Token: SeIncreaseQuotaPrivilege	2492	wmic.exe
Token: SeSecurityPrivilege	2492	wmic.exe
Token: SeTakeOwnershipPrivilege	2492	wmic.exe
Token: SeLoadDriverPrivilege	2492	wmic.exe
Token: SeSystemProfilePrivilege	2492	wmic.exe
Token: SeSystemtimePrivilege	2492	wmic.exe
Token: SeProfSingleProcessPrivilege	2492	wmic.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

msiexec.exe

pid process

2076 msiexec.exe

pid	process
2076	msiexec.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

msiexec.exeMsiExec.exe

description	pid	process	target process
PID 2116 wrote to memory of 1140	2116	msiexec.exe	MsiExec.exe
PID 2116 wrote to memory of 1140	2116	msiexec.exe	MsiExec.exe
PID 2116 wrote to memory of 1140	2116	msiexec.exe	MsiExec.exe
PID 2116 wrote to memory of 1140	2116	msiexec.exe	MsiExec.exe
PID 2116 wrote to memory of 1140	2116	msiexec.exe	MsiExec.exe
PID 2116 wrote to memory of 1140	2116	msiexec.exe	MsiExec.exe
PID 2116 wrote to memory of 1140	2116	msiexec.exe	MsiExec.exe
PID 1140 wrote to memory of 2492	1140	MsiExec.exe	wmic.exe
PID 1140 wrote to memory of 2492	1140	MsiExec.exe	wmic.exe
PID 1140 wrote to memory of 2492	1140	MsiExec.exe	wmic.exe
PID 1140 wrote to memory of 2492	1140	MsiExec.exe	wmic.exe

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Windows\system32\msiexec.exe
msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\pawufefu.msi
1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:2076

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2116
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding 89A842C7E152DDA720E9ADC0AA535715
  2⤵
  - Drops startup file
  - Loads dropped DLL
  - Sets desktop wallpaper using registry
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1140
- - C:\Windows\system32\wbem\wmic.exe
    "C:\tnvj\alx\sy\..\..\..\Windows\sj\vn\..\..\system32\axjy\ywua\..\..\wbem\rbl\spr\..\..\wmic.exe" shadowcopy delete
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:2492

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2064

C:\Windows\system32\DrvInst.exe
DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "00000000000005C4" "0000000000000060"
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:2756

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{3F6B5E16-092A-41ED-930B-0B4125D91D4E}
1⤵
PID:1144

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

1

T1070

File Deletion

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

1

T1491

Inhibit System Recovery

1

T1490

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Downloads

C:\$Recycle.Bin\S-1-5-21-1154728922-3261336865-3456416385-1000\DECRYPT-FILES.txt

Filesize
10KB

MD5
9b869e7a54f498b56aa6cd70782e323e

SHA1
fcbe5e7127e660215e83170ad5f74b29b4b9ea7f

SHA256
b5218f742bb15999b4cf24f98688292865140cc51af7ca275110a91c6a44f787

SHA512
cc130e933bed5bd0a98f37442d534467c61842749c6a349c790b4822fb714fb9582b38ce84494f5e0ef0d14b8367c3e64edbf9a355d932a69909d9cb5fea5dfa

Download Submit
C:\Config.Msi\f769a1f.rbs

Filesize
746B

MD5
aa7a04c9532f121eeef452a5c5c21feb

SHA1
96b679e504ca15473d391891377e122ff74a598a

SHA256
cb96bf0a45dbf6c536cd60b04cdbdd1bf5b05806741512b495849fb23ff2581a

SHA512
610956529a70bfbbb1e5463009de32c9bce4642720b4d37929f510049cca8cfa5706f96555a0e07a500ee631803029af973d6c85ab25afe32a194025dceefcb3

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Speech\Files\UserLexicons\SP_9902C3990E8D4FA6B9302A4BB82AC930.dat

Filesize
940B

MD5
944f17c84c6e94787104b989fba451a7

SHA1
f117fdb3643595a7d8f6509b65477a6dc89710be

SHA256
0bf79008c0ed8699089b589a732a3d2a3fb3a061053c91a76db122a6484bd26e

SHA512
1f4f23536d085afd1bdac1641869264fb06e73a1fc6a8ddfd50dbe6ee2ad9514cf85dce7939ff5ea3d84407e805b30bcccbe4f83cdc61d091e48ef411e6d3dcf

Download Submit
C:\Windows\Installer\MSI9D89.tmp

Filesize
462KB

MD5
718d001ca0e953c5f52f8a4ae2697411

SHA1
4e5727a404418663b228fedba2007de26f830b07

SHA256
53a21f26abc617eda7de86aaad08a2e6df7be31ab529a2f906951baedefe47fd

SHA512
3f8b80969e38af1138404f05bcab313f8167acc14dc7c905f9bd25e244e4a4d5bca61c601f5a50a5e8bf57668c4100adb08c4fc31668c88814a12c86f36784fc

Download Submit
\Windows\Installer\MSI9D89.tmp

Filesize
462KB

MD5
718d001ca0e953c5f52f8a4ae2697411

SHA1
4e5727a404418663b228fedba2007de26f830b07

SHA256
53a21f26abc617eda7de86aaad08a2e6df7be31ab529a2f906951baedefe47fd

SHA512
3f8b80969e38af1138404f05bcab313f8167acc14dc7c905f9bd25e244e4a4d5bca61c601f5a50a5e8bf57668c4100adb08c4fc31668c88814a12c86f36784fc

Download Submit
memory/1140-13-0x00000000004F0000-0x000000000054D000-memory.dmp

Filesize
372KB

Download
memory/1140-18-0x00000000004F0000-0x000000000054D000-memory.dmp

Filesize
372KB

Download
memory/1140-20-0x00000000004F0000-0x000000000054D000-memory.dmp

Filesize
372KB

Download
memory/1140-23-0x00000000004F0000-0x000000000054D000-memory.dmp

Filesize
372KB

Download
memory/1140-817-0x00000000004F0000-0x000000000054D000-memory.dmp

Filesize
372KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads