maze | 6f842cb5e980860c23e5a499f73492e143eef4def47a3aede74f1df3b373f9da

General

Target

Sample.dll
Size

601KB
MD5

910aa49813ee4cc7e4fa0074db5e454a
SHA1

45831987fabeb7b32c70f662be8cb24e2efef1dc
SHA256

4218214f32f946a02b7a7bebe3059af3dd87bcd130c0469aeb21b58299e2ef9a
SHA512

3a726bda8119bbb45a5407703982453abca112df38921df76d57febd455c297f61c19858c40c48f155a721b460b0b5d4b410f5427980df3b8959f8969a8d24bd
SSDEEP

12288:yxqa4OJLt8sJ3y3/xi+aW4cJ6ANgRitRUA1qDoj2h9TY+gleOrnGLUVHso:uGCBQp3aW44cCIYBeOsMMo

Score

10^/10

maze ransomware trojan

Malware Config

Extracted

Path

F:\$RECYCLE.BIN\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/6cfd0cc65ce16197 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/6cfd0cc65ce16197 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/6cfd0cc65ce16197

https://mazedecrypt.top/6cfd0cc65ce16197

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 4 IoCs

Processes:

regsvr32.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6cfd0cc65ce16197.tmp	regsvr32.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\DECRYPT-FILES.txt	regsvr32.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\6cfd0cc65ce16197.tmp	regsvr32.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DECRYPT-FILES.txt	regsvr32.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

regsvr32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\\\111.bmp"	regsvr32.exe

Drops file in Program Files directory 27 IoCs

Processes:

regsvr32.exe

description	ioc	process
File opened for modification	C:\Program Files\JoinAssert.bmp	regsvr32.exe
File opened for modification	C:\Program Files\RestoreOut.avi	regsvr32.exe
File opened for modification	C:\Program Files\WatchSend.pub	regsvr32.exe
File opened for modification	C:\Program Files (x86)\6cfd0cc65ce16197.tmp	regsvr32.exe
File opened for modification	C:\Program Files\SearchWait.xps	regsvr32.exe
File opened for modification	C:\Program Files\SwitchStep.otf	regsvr32.exe
File opened for modification	C:\Program Files\BlockMount.potx	regsvr32.exe
File opened for modification	C:\Program Files\ExportEdit.tiff	regsvr32.exe
File opened for modification	C:\Program Files\RegisterNew.aifc	regsvr32.exe
File opened for modification	C:\Program Files\SearchTest.ps1	regsvr32.exe
File created	C:\Program Files (x86)\DECRYPT-FILES.txt	regsvr32.exe
File opened for modification	C:\Program Files\AssertJoin.xlsm	regsvr32.exe
File opened for modification	C:\Program Files\ImportRename.temp	regsvr32.exe
File opened for modification	C:\Program Files\MeasureEdit.svgz	regsvr32.exe
File opened for modification	C:\Program Files\RemoveRegister.html	regsvr32.exe
File opened for modification	C:\Program Files\SetReceive.contact	regsvr32.exe
File opened for modification	C:\Program Files\GrantMove.aifc	regsvr32.exe
File opened for modification	C:\Program Files\ResolveOptimize.wmx	regsvr32.exe
File opened for modification	C:\Program Files\ConfirmUpdate.i64	regsvr32.exe
File opened for modification	C:\Program Files\TestConvert.ps1xml	regsvr32.exe
File created	C:\Program Files\DECRYPT-FILES.txt	regsvr32.exe
File opened for modification	C:\Program Files\CompleteSelect.ppsm	regsvr32.exe
File opened for modification	C:\Program Files\EnterSync.lock	regsvr32.exe
File opened for modification	C:\Program Files\StartComplete.m1v	regsvr32.exe
File opened for modification	C:\Program Files\6cfd0cc65ce16197.tmp	regsvr32.exe
File opened for modification	C:\Program Files\SetCompare.dotx	regsvr32.exe
File opened for modification	C:\Program Files\UnregisterClose.emz	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

regsvr32.exe

pid process

500 regsvr32.exe
500 regsvr32.exe

pid	process
500	regsvr32.exe
500	regsvr32.exe

Suspicious use of AdjustPrivilegeToken 47 IoCs

Processes:

vssvc.exewmic.exeAUDIODG.EXE

description	pid	process
Token: SeBackupPrivilege	1508	vssvc.exe
Token: SeRestorePrivilege	1508	vssvc.exe
Token: SeAuditPrivilege	1508	vssvc.exe
Token: SeIncreaseQuotaPrivilege	3692	wmic.exe
Token: SeSecurityPrivilege	3692	wmic.exe
Token: SeTakeOwnershipPrivilege	3692	wmic.exe
Token: SeLoadDriverPrivilege	3692	wmic.exe
Token: SeSystemProfilePrivilege	3692	wmic.exe
Token: SeSystemtimePrivilege	3692	wmic.exe
Token: SeProfSingleProcessPrivilege	3692	wmic.exe
Token: SeIncBasePriorityPrivilege	3692	wmic.exe
Token: SeCreatePagefilePrivilege	3692	wmic.exe
Token: SeBackupPrivilege	3692	wmic.exe
Token: SeRestorePrivilege	3692	wmic.exe
Token: SeShutdownPrivilege	3692	wmic.exe
Token: SeDebugPrivilege	3692	wmic.exe
Token: SeSystemEnvironmentPrivilege	3692	wmic.exe
Token: SeRemoteShutdownPrivilege	3692	wmic.exe
Token: SeUndockPrivilege	3692	wmic.exe
Token: SeManageVolumePrivilege	3692	wmic.exe
Token: 33	3692	wmic.exe
Token: 34	3692	wmic.exe
Token: 35	3692	wmic.exe
Token: 36	3692	wmic.exe
Token: SeIncreaseQuotaPrivilege	3692	wmic.exe
Token: SeSecurityPrivilege	3692	wmic.exe
Token: SeTakeOwnershipPrivilege	3692	wmic.exe
Token: SeLoadDriverPrivilege	3692	wmic.exe
Token: SeSystemProfilePrivilege	3692	wmic.exe
Token: SeSystemtimePrivilege	3692	wmic.exe
Token: SeProfSingleProcessPrivilege	3692	wmic.exe
Token: SeIncBasePriorityPrivilege	3692	wmic.exe
Token: SeCreatePagefilePrivilege	3692	wmic.exe
Token: SeBackupPrivilege	3692	wmic.exe
Token: SeRestorePrivilege	3692	wmic.exe
Token: SeShutdownPrivilege	3692	wmic.exe
Token: SeDebugPrivilege	3692	wmic.exe
Token: SeSystemEnvironmentPrivilege	3692	wmic.exe
Token: SeRemoteShutdownPrivilege	3692	wmic.exe
Token: SeUndockPrivilege	3692	wmic.exe
Token: SeManageVolumePrivilege	3692	wmic.exe
Token: 33	3692	wmic.exe
Token: 34	3692	wmic.exe
Token: 35	3692	wmic.exe
Token: 36	3692	wmic.exe
Token: 33	1660	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1660	AUDIODG.EXE

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

regsvr32.exeregsvr32.exe

description	pid	process	target process
PID 824 wrote to memory of 500	824	regsvr32.exe	regsvr32.exe
PID 824 wrote to memory of 500	824	regsvr32.exe	regsvr32.exe
PID 824 wrote to memory of 500	824	regsvr32.exe	regsvr32.exe
PID 500 wrote to memory of 3692	500	regsvr32.exe	wmic.exe
PID 500 wrote to memory of 3692	500	regsvr32.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\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\Sample.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:824
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\Sample.dll
  2⤵
  - Drops startup file
  - Sets desktop wallpaper using registry
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:500
- - C:\Windows\system32\wbem\wmic.exe
    "C:\k\..\Windows\awihm\aukcq\..\..\system32\xxw\dwb\..\..\wbem\f\arni\..\..\wmic.exe" shadowcopy delete
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:3692

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1508

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x2c8 0x150
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1660

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

1

T1491

Inhibit System Recovery

1

T1490

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Speech\Files\UserLexicons\SP_0F3B7EC492364DEE840501A9A32694AC.dat

Filesize
940B

MD5
03ac0ad603a89ab3834f6b6bdb55bbd8

SHA1
0e33bb3828ed99e509975eddbc01b2df38de1235

SHA256
2411b32a85ece5fb7fbb89932a2a289bd6886afe1db4b3acf1031c423a49ad22

SHA512
19c4dcaeabbbec9d964e595e223ecb0a74ee96f9659bd724e953de1ca3f3d9053f5e4b7d58671ada83f2c806acd23a76aaf69501fb2a038c8c7225294ff78e0b

Download Submit
F:\$RECYCLE.BIN\DECRYPT-FILES.txt

Filesize
10KB

MD5
64955d1ce98e92ecebcc589169ddaa95

SHA1
86f2d69edc989153f3339f78594c196f6413cc86

SHA256
29c0bf34e6bcf2a96b890128fdb36aadf9982c2229b18b38686ec92b18096808

SHA512
b47dfc7d62a719bf8e54da977a83311ab6cbd7be3cf9300f5e6cbff07336264f71ace424cac178c4104da364a2f81d4aee1b7f2cabe89a30387ee1dcd2c546b3

Download Submit
memory/500-0-0x0000000000AB0000-0x0000000000B0D000-memory.dmp

Filesize
372KB

Download
memory/500-1-0x0000000002390000-0x00000000023ED000-memory.dmp

Filesize
372KB

Download
memory/500-6-0x0000000002390000-0x00000000023ED000-memory.dmp

Filesize
372KB

Download
memory/500-10-0x0000000002390000-0x00000000023ED000-memory.dmp

Filesize
372KB

Download
memory/500-13-0x0000000002390000-0x00000000023ED000-memory.dmp

Filesize
372KB

Download
memory/500-773-0x0000000002390000-0x00000000023ED000-memory.dmp

Filesize
372KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads