maze | 8830c4cf376ebbc98783dfeaf19d1d161546da236175f4d225fca940e11494b1

Analysis

max time kernel
166s
max time network
146s
platform
windows7_x64
resource
win7-en-20211208
submitted
16-02-2022 22:49

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General

Target

8830c4cf376ebbc98783dfeaf19d1d161546da236175f4d225fca940e11494b1.dll
Size

601KB
MD5

9a5ada52693122640e5f405202f3be19
SHA1

59377926431ca2fda7a25d5f96323d26b9790b3f
SHA256

8830c4cf376ebbc98783dfeaf19d1d161546da236175f4d225fca940e11494b1
SHA512

4a32d2d5668612c05921604259f0e90327ba85310ff73faa6518251c738570e9c1252edc24d2db7c5a939c689be0b399431507fe69497dfa19063f7d2ce9f5e4

Score

10^/10

maze ransomware trojan

Malware Config

Extracted

Path

C:\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/6d570cc8306be582 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/6d570cc8306be582 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--- 5YsScv3VaGgGny39c13gUcDOm6HgI8Pg1e/tGb3oj8jx7csaA8Fh7WScQKz3ZWBIMc6EtEaQOOusCGCIMbNGC6mPkeBRp3vNWWVgghv4gUKOVKduHUrinEui8Rh4yIeamCqY6sJhZjo4bn9HzhL32f5qGwBdYXXbCqgPbDUpD1TNxnHGHu6y727rQaWwHOJf2u4V4Gv2WtaLINZuzX6+SP2bojaEWaldLCM5SYyS268JSSIhql9Izf2ml4bq+KRipVBjDPwAIO/W+l80xgKiPPbgInMH++jm/5edm3C75d2MR/vF2l0uQViWIwoXrm1hNGQRxKUsa6Qp3xtXVw7+RWkR8+LvKA/W958+bChrOQbHOBI+YzQCQQvNrJmktvko2Stb4I12TFuagX34SK1b1zFBa10Zd6HEaWkzUCgNeSftI+nVTYBd5TBDoAH3iwI9wAIY6obTvCHDYT2kJCVZtTIKQjK+8Y8d8wuVpTmNI50G+Tfq6UcKH8OokQvhJELymkY/H+ZprhP2ygQZnMkbeJI45cFHs6RZUBZXYYcdeBLoWvrqX7CeiXLrPMz6q92/lKND29v+oUb7bnWr5Vwtsy/4SFvaGWAgaEg3qBo/JG4OnTmzfof4top4JOEMHPfN6HwsncOPhBtg+/oEGJB8yhdRCDRgoCq8LWYTXKP06zeZ8JERptnkAAIoaazzBkS90sf9MZdSl9stNgOUkt4dD87NcnWMoI72X1YNcbMtHE/5KPAd6femjlZbfgyoJbT9+uSyd4JpRN0Eog1L6RPg/swocLauPBoN9WFYvqcMOu1YdzK6V7oIYDv6vMP1TcxqqvxMm+sdJ0X5VXJjl7vabnFrDUrmPDG+TLguz7I9pRpMLJq/9bwGa4d023P6iPuIJe1rTUOb8bH9ctKO5LwAas4sAq9O2rP+x99HKAgWdKZWIuSY58/KdbCE/qJ/o9QF3GsTPx+PaOdacztLIXXELD+2DLmrIqvz4uJralVMlH9TQOPxMZV5ICtQ0HXfCZcJU5Y6cMoI06P18l7nMTQi0FPp2zTdG79B7/pYzZYhgnWb+aTINb3nAn4AyqAZvw2oRy4+z3sqiYvmVoi97VNAsecP2e9dzQGgjSajp+wLvyvziktn7PuX4m9pUb1th4lqw0dfmWO2Xl62jZ5Kj5dUomaJ/7D97pc4tYzUYBtHljjBrt91brPmXmkmKWdzW2flFXepFYJ022UTNdVCLDpZsQCo3M7Oc0J1ehg2kri4G6Qn/JG9sYm1EDNd90jtZOxZymzum9FppKIOmneRdj78wVwNLTBHnf8IxHpqz1Ofi042F55GDSQi8cZIZOGwAKxtqjeDOf39NnciAOGXUmTBiNzSR79S+4YthvuJEotUT9BnMKKLCE4NDWviOkJlTJjs+4gXbD5aPRpgjawMtvXOev1tGW0Ps2XeBtzUw4ssVIcnAhQv5TQmu8aQmKXS9+QnZDvmr+tIaB7bFhVDErFBrvNACN0nPdYHDnrsLPG3f3fv91xnt8lJI5xDYKEq5b4OPxwFGP6Bmt+4OPTp+V2DvIircDPne6dZ3O7whBq3VvdzEtbCO9YFC97EryK+po/YnN6o3IJfQDnvR6OUdTv3u0AyD9J4ZUSNqWkkHWrf6gjVxg70CTCTcjmPIJWlqlehNOMuCJzfv+xZkf00c57Z/sd6aC7SYIK0cIr73hdDKSSNvkKHz/zGm1vVUEK36O1zeIsJeQ0MnlxaOCcrtRm19Qt5yPxqAUhg9aqZqD9az0QVsvDv708k5SZd8+lZwG4OTYKlcPc+kGONNjZfI7rzsuQGYwSvqW1kQ2/2dvbeIb4sDnH5eVmlx+cMxqsHeKAMttDCf9L1v8qvqcX8r5bKI+iBxkorwJeo5HtZPDZpzkgwY08wcCjRd/eKHd8bT837LVKHvdqVHTWoeElxAdzrNJojxfmkHPRcqf5FjvRocLD6rRIYFzg6A3GP+8RXFCf/2FobpXhBln+VXO0/GaWYK/lo/xLpVTAOr6Jtkbl6gVSNALhtNZlg0nogzzQwfsa0QRKnqCoppGbww46guBK5xw5q2r0D1QF+gIujjqARyHpTc1lt1GPdJNPlQVwXN+lgpE4Y4KknO7gh0UwY1YJSpd8Ta0g8OboMsEWSpAMo7TuYe+J5VdUD/3mUFVhW3aKZBSZ3MZPJEhA6OuDkyfEzRT2a5/1gfuev6UJnDGpW7oNt+DiTVMFuwv5f3porhusCR3G9lQoiNgBkADUANwAwAGMAYwA4ADMAMAA2AGIAZQA1ADgAMgAAABCAYBoMQQBkAG0AaQBuAAAAIiZXAE8AUgBLAEcAUgBPAFUAUABcAFYAUQBWAFYATwBBAEoASwAAACoMbgBvAG4AZQB8AAAAMiZXAGkAbgBkAG8AdwBzACAANwAgAFUAbAB0AGkAbQBhAHQAZQAAADoofABkAGUAcAByAGUAYwBhAHQAZQBkACAAPgAgAHYAMgAuADMAfAAAAEI2fABDAF8ARgBfADIAMAA0ADcAOQAvADIANgAxADgANAAxAHwARABfAFUAXwAwAC8AMAB8AAAASABQQFiJCGCJCGiJCHCq7dh7eA6AAQGKAQUyLjMuMg== ---END MAZE KEY---

URLs

http://aoacugmutagkwctu.onion/6d570cc8306be582

https://mazedecrypt.top/6d570cc8306be582

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
T1107

Inhibit System Recovery
T1490

Modifies extensions of user files 11 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

description	ioc	Process
File renamed	C:\Users\Admin\Pictures\GrantAssert.crw => C:\Users\Admin\Pictures\GrantAssert.crw.YY2Tkp	regsvr32.exe
File renamed	C:\Users\Admin\Pictures\GroupOut.png => C:\Users\Admin\Pictures\GroupOut.png.YY2Tkp	regsvr32.exe
File opened for modification	C:\Users\Admin\Pictures\MeasureDebug.tiff	regsvr32.exe
File renamed	C:\Users\Admin\Pictures\MeasureDebug.tiff => C:\Users\Admin\Pictures\MeasureDebug.tiff.vS0obRH	regsvr32.exe
File renamed	C:\Users\Admin\Pictures\SetRegister.raw => C:\Users\Admin\Pictures\SetRegister.raw.hebD	regsvr32.exe
File opened for modification	C:\Users\Admin\Pictures\SkipPing.tiff	regsvr32.exe
File renamed	C:\Users\Admin\Pictures\SkipPing.tiff => C:\Users\Admin\Pictures\SkipPing.tiff.ubEYY	regsvr32.exe
File renamed	C:\Users\Admin\Pictures\StartUndo.tiff => C:\Users\Admin\Pictures\StartUndo.tiff.ubEYY	regsvr32.exe
File renamed	C:\Users\Admin\Pictures\InitializeSet.raw => C:\Users\Admin\Pictures\InitializeSet.raw.UX4hn9	regsvr32.exe
File opened for modification	C:\Users\Admin\Pictures\StartUndo.tiff	regsvr32.exe
File renamed	C:\Users\Admin\Pictures\UndoRepair.raw => C:\Users\Admin\Pictures\UndoRepair.raw.ubEYY	regsvr32.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DECRYPT-FILES.txt	regsvr32.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6d570cc8306be582.tmp	regsvr32.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\\\111.bmp"	regsvr32.exe

Drops file in Program Files directory 26 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\DenyAssert.ttc	regsvr32.exe
File opened for modification	C:\Program Files\DismountInvoke.otf	regsvr32.exe
File opened for modification	C:\Program Files\ExpandWrite.xltx	regsvr32.exe
File opened for modification	C:\Program Files\FormatApprove.html	regsvr32.exe
File opened for modification	C:\Program Files\OpenStep.3gp	regsvr32.exe
File opened for modification	C:\Program Files\SetPublish.cr2	regsvr32.exe
File created	C:\Program Files (x86)\DECRYPT-FILES.txt	regsvr32.exe
File created	C:\Program Files\DECRYPT-FILES.txt	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server Compact Edition\6d570cc8306be582.tmp	regsvr32.exe
File created	C:\Program Files (x86)\Microsoft SQL Server Compact Edition\DECRYPT-FILES.txt	regsvr32.exe
File opened for modification	C:\Program Files\ResetCheckpoint.wmx	regsvr32.exe
File created	C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\DECRYPT-FILES.txt	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\6d570cc8306be582.tmp	regsvr32.exe
File created	C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\Desktop\DECRYPT-FILES.txt	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\Desktop\6d570cc8306be582.tmp	regsvr32.exe
File opened for modification	C:\Program Files\HideBackup.aif	regsvr32.exe
File opened for modification	C:\Program Files\BackupEnable.snd	regsvr32.exe
File opened for modification	C:\Program Files\ExpandPop.dotm	regsvr32.exe
File opened for modification	C:\Program Files\RemoveProtect.vssm	regsvr32.exe
File opened for modification	C:\Program Files\SwitchGrant.xlsb	regsvr32.exe
File opened for modification	C:\Program Files (x86)\6d570cc8306be582.tmp	regsvr32.exe
File opened for modification	C:\Program Files\6d570cc8306be582.tmp	regsvr32.exe
File opened for modification	C:\Program Files\InitializeUpdate.tmp	regsvr32.exe
File opened for modification	C:\Program Files\RegisterImport.mht	regsvr32.exe
File opened for modification	C:\Program Files\TestInstall.WTV	regsvr32.exe
File opened for modification	C:\Program Files\ImportBlock.vdx	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1924	regsvr32.exe

Suspicious use of AdjustPrivilegeToken 43 IoCs

description	pid	Process
Token: SeBackupPrivilege	832	vssvc.exe
Token: SeRestorePrivilege	832	vssvc.exe
Token: SeAuditPrivilege	832	vssvc.exe
Token: SeIncreaseQuotaPrivilege	688	wmic.exe
Token: SeSecurityPrivilege	688	wmic.exe
Token: SeTakeOwnershipPrivilege	688	wmic.exe
Token: SeLoadDriverPrivilege	688	wmic.exe
Token: SeSystemProfilePrivilege	688	wmic.exe
Token: SeSystemtimePrivilege	688	wmic.exe
Token: SeProfSingleProcessPrivilege	688	wmic.exe
Token: SeIncBasePriorityPrivilege	688	wmic.exe
Token: SeCreatePagefilePrivilege	688	wmic.exe
Token: SeBackupPrivilege	688	wmic.exe
Token: SeRestorePrivilege	688	wmic.exe
Token: SeShutdownPrivilege	688	wmic.exe
Token: SeDebugPrivilege	688	wmic.exe
Token: SeSystemEnvironmentPrivilege	688	wmic.exe
Token: SeRemoteShutdownPrivilege	688	wmic.exe
Token: SeUndockPrivilege	688	wmic.exe
Token: SeManageVolumePrivilege	688	wmic.exe
Token: 33	688	wmic.exe
Token: 34	688	wmic.exe
Token: 35	688	wmic.exe
Token: SeIncreaseQuotaPrivilege	688	wmic.exe
Token: SeSecurityPrivilege	688	wmic.exe
Token: SeTakeOwnershipPrivilege	688	wmic.exe
Token: SeLoadDriverPrivilege	688	wmic.exe
Token: SeSystemProfilePrivilege	688	wmic.exe
Token: SeSystemtimePrivilege	688	wmic.exe
Token: SeProfSingleProcessPrivilege	688	wmic.exe
Token: SeIncBasePriorityPrivilege	688	wmic.exe
Token: SeCreatePagefilePrivilege	688	wmic.exe
Token: SeBackupPrivilege	688	wmic.exe
Token: SeRestorePrivilege	688	wmic.exe
Token: SeShutdownPrivilege	688	wmic.exe
Token: SeDebugPrivilege	688	wmic.exe
Token: SeSystemEnvironmentPrivilege	688	wmic.exe
Token: SeRemoteShutdownPrivilege	688	wmic.exe
Token: SeUndockPrivilege	688	wmic.exe
Token: SeManageVolumePrivilege	688	wmic.exe
Token: 33	688	wmic.exe
Token: 34	688	wmic.exe
Token: 35	688	wmic.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1040 wrote to memory of 1924	1040	regsvr32.exe	27
PID 1040 wrote to memory of 1924	1040	regsvr32.exe	27
PID 1040 wrote to memory of 1924	1040	regsvr32.exe	27
PID 1040 wrote to memory of 1924	1040	regsvr32.exe	27
PID 1040 wrote to memory of 1924	1040	regsvr32.exe	27
PID 1040 wrote to memory of 1924	1040	regsvr32.exe	27
PID 1040 wrote to memory of 1924	1040	regsvr32.exe	27
PID 1924 wrote to memory of 688	1924	regsvr32.exe	34
PID 1924 wrote to memory of 688	1924	regsvr32.exe	34
PID 1924 wrote to memory of 688	1924	regsvr32.exe	34
PID 1924 wrote to memory of 688	1924	regsvr32.exe	34

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\8830c4cf376ebbc98783dfeaf19d1d161546da236175f4d225fca940e11494b1.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1040
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\8830c4cf376ebbc98783dfeaf19d1d161546da236175f4d225fca940e11494b1.dll
  2⤵
  - Modifies extensions of user files
  - Drops startup file
  - Sets desktop wallpaper using registry
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1924
- - C:\Windows\system32\wbem\wmic.exe
    "C:\dsxxe\..\Windows\r\hs\d\..\..\..\system32\cer\..\wbem\nglg\uots\..\..\wmic.exe" shadowcopy delete
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:688

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:832

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{3F6B5E16-092A-41ED-930B-0B4125D91D4E}
1⤵
PID:1752

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File Deletion

T1107

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

T1491

Inhibit System Recovery

T1490

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Downloads

memory/1040-54-0x000007FEFB571000-0x000007FEFB573000-memory.dmp

Filesize
8KB

Download
memory/1924-55-0x00000000754B1000-0x00000000754B3000-memory.dmp

Filesize
8KB

Download
memory/1924-56-0x0000000000A50000-0x0000000000AAD000-memory.dmp

Filesize
372KB

Download
memory/1924-60-0x00000000001C0000-0x000000000021D000-memory.dmp

Filesize
372KB

Download
memory/1924-61-0x0000000000A51000-0x0000000000A89000-memory.dmp

Filesize
224KB

Download