maze | df23b9b8e3189770b199729fac2da177ecbab08fd849c0bddc702857d76d48dd

Analysis

max time kernel
141s
max time network
149s
platform
windows7_x64
resource
win7v20201028
submitted
04-12-2020 21:54

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General

Target

sample.exe
Size

364KB
MD5

c9ea6430da4e72b672ce29e56ecad603
SHA1

31c3f7b523e1e406d330958e28882227765c3c5e
SHA256

dee863ffa251717b8e56a96e2f9f0b41b09897d3c7cb2e8159fcb0ac0783611b
SHA512

4a7d30f1c8409299b9df27406fdcdabcdd834d292ebf27f8f0f7766d2a4b7b0cda12307f1d2a79bf1fdefee0bca6638057479ca301ebbb8d6638c0350ba8934e

Score

10^/10

maze ransomware spyware trojan

Malware Config

Extracted

Path

C:\DECRYPT-FILES.txt

Family

maze

Ransom Note

Attention! ---------------------------- | What happened? ---------------------------- 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 have a chance! It is easy to recover in a few steps. ---------------------------- | How to get my files back? ---------------------------- The only method to restore your files 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/87f0097f9ced33e8 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/87f0097f9ced33e8 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 on your computer! If you have any problems our friendly support team is always here to assist you in a live chat! ------------------------------------------------------------------------------- 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/87f0097f9ced33e8

https://mazedecrypt.top/87f0097f9ced33e8

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 6 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

description	ioc	Process
File renamed	C:\Users\Admin\Pictures\EditStart.tif => C:\Users\Admin\Pictures\EditStart.tif.DJA5	sample.exe
File opened for modification	C:\Users\Admin\Pictures\MeasureResolve.tiff	sample.exe
File renamed	C:\Users\Admin\Pictures\MeasureResolve.tiff => C:\Users\Admin\Pictures\MeasureResolve.tiff.DJA5	sample.exe
File renamed	C:\Users\Admin\Pictures\MountFind.tif => C:\Users\Admin\Pictures\MountFind.tif.EIJVZ	sample.exe
File renamed	C:\Users\Admin\Pictures\ResolveUnlock.raw => C:\Users\Admin\Pictures\ResolveUnlock.raw.Gqbeeg	sample.exe
File renamed	C:\Users\Admin\Pictures\WriteResolve.crw => C:\Users\Admin\Pictures\WriteResolve.crw.Gqbeeg	sample.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	sample.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\87f0097f9ced33e8.tmp	sample.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\\\000.bmp"	sample.exe

Drops file in Program Files directory 24 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\MeasurePing.xltx	sample.exe
File opened for modification	C:\Program Files\WaitAssert.mht	sample.exe
File opened for modification	C:\Program Files (x86)\87f0097f9ced33e8.tmp	sample.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server Compact Edition\87f0097f9ced33e8.tmp	sample.exe
File created	C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\DECRYPT-FILES.txt	sample.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\Desktop\87f0097f9ced33e8.tmp	sample.exe
File created	C:\Program Files\DECRYPT-FILES.txt	sample.exe
File opened for modification	C:\Program Files\87f0097f9ced33e8.tmp	sample.exe
File opened for modification	C:\Program Files\MountRemove.htm	sample.exe
File opened for modification	C:\Program Files\NewRestore.mpeg2	sample.exe
File opened for modification	C:\Program Files\SwitchSave.mpg	sample.exe
File created	C:\Program Files (x86)\DECRYPT-FILES.txt	sample.exe
File created	C:\Program Files (x86)\Microsoft SQL Server Compact Edition\DECRYPT-FILES.txt	sample.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\87f0097f9ced33e8.tmp	sample.exe
File opened for modification	C:\Program Files\InitializeReceive.cfg	sample.exe
File opened for modification	C:\Program Files\MeasureHide.eps	sample.exe
File created	C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\Desktop\DECRYPT-FILES.txt	sample.exe
File opened for modification	C:\Program Files\LimitRead.au3	sample.exe
File opened for modification	C:\Program Files\ApproveTest.docm	sample.exe
File opened for modification	C:\Program Files\DismountReceive.MOD	sample.exe
File opened for modification	C:\Program Files\RestartRestore.wmf	sample.exe
File opened for modification	C:\Program Files\SuspendRestore.xltm	sample.exe
File opened for modification	C:\Program Files\DisconnectImport.mp4	sample.exe
File opened for modification	C:\Program Files\RestartClear.jfif	sample.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
868	sample.exe

Suspicious use of AdjustPrivilegeToken 43 IoCs

description	pid	Process
Token: SeBackupPrivilege	1396	vssvc.exe
Token: SeRestorePrivilege	1396	vssvc.exe
Token: SeAuditPrivilege	1396	vssvc.exe
Token: SeIncreaseQuotaPrivilege	1132	wmic.exe
Token: SeSecurityPrivilege	1132	wmic.exe
Token: SeTakeOwnershipPrivilege	1132	wmic.exe
Token: SeLoadDriverPrivilege	1132	wmic.exe
Token: SeSystemProfilePrivilege	1132	wmic.exe
Token: SeSystemtimePrivilege	1132	wmic.exe
Token: SeProfSingleProcessPrivilege	1132	wmic.exe
Token: SeIncBasePriorityPrivilege	1132	wmic.exe
Token: SeCreatePagefilePrivilege	1132	wmic.exe
Token: SeBackupPrivilege	1132	wmic.exe
Token: SeRestorePrivilege	1132	wmic.exe
Token: SeShutdownPrivilege	1132	wmic.exe
Token: SeDebugPrivilege	1132	wmic.exe
Token: SeSystemEnvironmentPrivilege	1132	wmic.exe
Token: SeRemoteShutdownPrivilege	1132	wmic.exe
Token: SeUndockPrivilege	1132	wmic.exe
Token: SeManageVolumePrivilege	1132	wmic.exe
Token: 33	1132	wmic.exe
Token: 34	1132	wmic.exe
Token: 35	1132	wmic.exe
Token: SeIncreaseQuotaPrivilege	1132	wmic.exe
Token: SeSecurityPrivilege	1132	wmic.exe
Token: SeTakeOwnershipPrivilege	1132	wmic.exe
Token: SeLoadDriverPrivilege	1132	wmic.exe
Token: SeSystemProfilePrivilege	1132	wmic.exe
Token: SeSystemtimePrivilege	1132	wmic.exe
Token: SeProfSingleProcessPrivilege	1132	wmic.exe
Token: SeIncBasePriorityPrivilege	1132	wmic.exe
Token: SeCreatePagefilePrivilege	1132	wmic.exe
Token: SeBackupPrivilege	1132	wmic.exe
Token: SeRestorePrivilege	1132	wmic.exe
Token: SeShutdownPrivilege	1132	wmic.exe
Token: SeDebugPrivilege	1132	wmic.exe
Token: SeSystemEnvironmentPrivilege	1132	wmic.exe
Token: SeRemoteShutdownPrivilege	1132	wmic.exe
Token: SeUndockPrivilege	1132	wmic.exe
Token: SeManageVolumePrivilege	1132	wmic.exe
Token: 33	1132	wmic.exe
Token: 34	1132	wmic.exe
Token: 35	1132	wmic.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 868 wrote to memory of 1132	868	sample.exe	33
PID 868 wrote to memory of 1132	868	sample.exe	33
PID 868 wrote to memory of 1132	868	sample.exe	33
PID 868 wrote to memory of 1132	868	sample.exe	33

C:\Users\Admin\AppData\Local\Temp\sample.exe
"C:\Users\Admin\AppData\Local\Temp\sample.exe"
1⤵
- 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:868
- C:\Windows\system32\wbem\wmic.exe
  "C:\e\b\..\..\Windows\yptk\uusrt\d\..\..\..\system32\yqw\..\wbem\b\y\bp\..\..\..\wmic.exe" shadowcopy delete
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1132

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1396

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{3F6B5E16-092A-41ED-930B-0B4125D91D4E}
1⤵
PID:780

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File Deletion

T1107

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Defacement

T1491

Inhibit System Recovery

T1490

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Downloads

memory/1780-3-0x000007FEF7160000-0x000007FEF73DA000-memory.dmp

Filesize
2.5MB

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