maze | 3885589a3c94d0475a6d994e4644e682f4cff93f8b4d65f37508ffe706861363

Analysis

max time kernel
119s
max time network
122s
platform
windows7_x64
resource
win7-en-20211208
submitted
02-01-2022 11:37

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General

Target

maze.bin.exe
Size

453KB
MD5

248c960c1ae54103dea5bfae924f28e2
SHA1

504ce8efee0f7f8329c09c6d045a21c795a84b42
SHA256

3885589a3c94d0475a6d994e4644e682f4cff93f8b4d65f37508ffe706861363
SHA512

5b3dd4be33c48cedda5b9270a6454540e837e9611db4d43b35e7290ff7e25dd3b5c0342de6de38f12e8c7d5f291c62ef026236825134d1181e7ba5bdf8103464

Score

10^/10

maze ransomware spyware stealer trojan

Malware Config

Extracted

Path

C:\DECRYPT-FILES.html

Ransom Note

<html> <head> <script> function CopyToClipboard(containerid) { if (document.selection) { var range = document.body.createTextRange(); range.moveToElementText(document.getElementById(containerid)); range.select().createTextRange(); document.execCommand("copy"); } else if (window.getSelection) { var range = document.createRange(); range.selectNode(document.getElementById(containerid)); window.getSelection().addRange(range); document.execCommand("copy"); alert("Base64 copied into the clipboard!") } } </script> <style> html{ margin:0; padding:0; width:100%; height:100%; } body { background: #000080; color: #ececec; font-family: Consolas }; .tooltip { position: relative; display: inline-block; border-bottom: 1px dotted black; } .tooltip .tooltiptext { visibility: hidden; width: 120px; background-color: #555; color: #fff; text-align: center; border-radius: 6px; padding: 5px 0; position: absolute; z-index: 1; bottom: 125%; left: 50%; margin-left: -60px; opacity: 0; transition: opacity 0.3s; } .tooltip .tooltiptext::after { content: ""; position: absolute; top: 100%; left: 50%; margin-left: -5px; border-width: 5px; border-style: solid; border-color: #555 transparent transparent transparent; } .tooltip:hover .tooltiptext { visibility: visible; opacity: 1; } p#base64{ -ms-word-break: break-all; word-break: break-all; -webkit-hyphens: auto; -moz-hyphens: auto; -ms-hyphens: auto; hyphens: auto; } p#base64:hover{ cursor: hand; } </style> </head> <body> <table style="position: absolute;" width="100%"> <tr> <td style="width: 25%;"> <span class="left" style="font-size: 14px; font-weight: bold">CODE: <br>------ <br>00000 00000 <br>00000 00000 <br>00000 00000 <br>00000 00000 <br>00000 00000 <br>00000 00000 <br>00000 00000 <br>00000 00000 </span> </td> <td style="width: 50%;"> <div style="text-align: center; font-size: 20px;"> <p><s>0010 SYSTEM FAILURE 0010</s></p> <p>*********************************************************************************************************************</p> <p>Attention! Your documents, photos, databases, and other important files have been encrypted!</p> <p>*********************************************************************************************************************</p> <br> </div> <div style="text-align: center; font-size: 18px;"> <p>The only way to decrypt your files, is to buy the private key from us.</p> <p>You can decrypt one of your files for free, as a proof that we have the method to decrypt the rest of your data.</p> <p>In order to receive the private key contact us via email: <br> <b>[email protected]</b> </p> <p>Remember to hurry up, as your email address may not be avaliable for very long.<br>Buying the key immediatly will guarantee that 100% of your files will be restored.</p> <p>Below you will see a big base64 blob, you will need to email us and copy this blob to us.<br>you can click on it, and it will be copied into the clipboard.</p> <p>If you have troubles copying it, just send us the file you are currently reading, as an attachment.</p> <br> <p>Base64: </p> </div><div style="text-align: center; font-size: 12px;"><p id="base64" onclick="return CopyToClipboard('base64')" class="tooltip">D4xVqGBUp2fXRJnhSMuIIr05GO9SWDRpvCE0JH3FQ0h2RwoPiC+P59MwES681Zk24Ip6uFcY+/Ib8jT4xP8XKYmCMFd0wdCtUoAvOtBT8j35LX7jcEu5GH+vgXg7wKSTnXpuAWpph6ZDr7YrQRUcsoNFohSNoLszn9oZlESEDOR8lmuMPkdpayXJNyvICk8wDVFOejLsN0mzPtpy63AhMaRKLIWh9AcTawTgJKGmiqrwpDHn+RmPsLYwy9KQlDsi09lrNzAwoP/3q/lRjJtC9zw9gVGJG0WaFU/ZBogmSFNxTt8cvdJZTfVm/syN/IIaSrjzVHfF3jmt2tIL7vgqFz1Za8rSZWHmcOU4srzznAyqidkoUs4WQfHy25PdQWlSt/+OOdkzqv6KDdOEKVzq7njjxuGCbAK4NFazpooWRu3sF+iCGdYbzes2+ILX89lWbQAioBw0UUvj+epY2MsX+p8XxVH77NlurajVHNnomTrqMEuT73krLWkRbzzuoX6OJKbDBDV6Nl5idfIGx8+Vnww7d2tBHL1xWv1fIyiq5MumjH2CHLRxpzUpVz1+K7JoyvGVOkKQ6XF+a90OuW0CT2zpIehCKGTC70f6/lo7sU0SIRE85Oo2umyHC2I8IRIpVFaJoDJnu0ca4q0jkEev4uCb1GSkPeFmfeagHlD/d+4lLiZy+zfwP9SRPUtaXXgmTUSgELV0+amd4zpwf7/zFYkWjJlmPUxlAi/Z5DY9dVWnJVVNNN1mYUB2Kz/ccnLzlqK77fmV2Eg/uJ1nBmHkO9udJAWBhIkGE8WvJiav+R9XQjzhmn8LQgQr1tucJqVn57sqrGIvazwWKVSU5JdzxbUSoZGuRagAW3eiyPi2JWAM71UbSIg6oevct4+TrkncHaAghwSTKUmUjC78+KIKLGrYWL13yWNbLlZNDsr3Mc57KoMrj7LkVCEnbC44+EHHX6hdWeDscKUgtR0GY2PFlNxeXfqCf4qLfF3FLdQcLMTXrtAWzk9mOiH/r/aPhI+pDwZj3M7JgcEJufwI47VYxj8OMruDokS7SQxh4JJKMAqPdyLuCTpnpQfgR+Nmci+yDFUwvjvju82n9BDVxrJHF5BOXU4OzHFD+MpcUfT5b68S0Oj/E25d4tXbnNKfeHQluMmP1trSNyeqc1eG/ZDQtUkO5GfH98GcbN4+SnNOegyFJNA5UtvL7anLAtQ4Sc8fKTA5iJZ26yP4GfMvQRF/XNZDu/qTWbZN/lCyH25LAYGHXVGppg2a0G27wr0oFLImCKLZK776R8LRhoan85xpCNtKfa4tZ0zUzWybHdcTKVI1OcOvpTunyeBvw7Igdz7cGLGF1OexjCG90N3d+iAqBD03RsgD5nFkjQmU4pkpn0xsOQS2ZKSFw3s42MtPEjnWK7CrgMWhCeHfrbryQ56XSTGfSAxgLpk2wpIlT3GmlRdsS8ZzM8ig8EEZ8ZyRSg9RFBrBjBmG7hfM0tpiE/nqHDPJIy8P6m2So8lPPaDoy7IdPmF7DeyEjbwAwLOlcBDVfnFq4T0xY4HsfKItFV1DrpN9uPz0cB6bw9zrqz24WkMOph6ayTlArEnMQzcqcKkQbSTY29O4C3tnH3coIcXa7HBz+AbdfpmqW7VAIXafe5f9gA4yVaexCC/oxRC25c8+GgXMk+9afCzfkC3jxuGDdzqr4ieymeAMCmX4eWlJscH0sAcmmlk1c2dsHhyVOocL5xLfaEbzWfhfVdXUVWXQ2LJkoxq/JmBXEBrOxdEtHx3nplRGz5e3I0P4EZpwHaPP6gONkHaeSamMokDy+r8Byw8R8jJQHst6KR8cC6kniMvsIdbjMiE4uoS4xsIaw5oTAeuCjNU4CSPG6YWDwGYcfVSyXpgL1oPR6fjPfdECOOXjQVsEA6M9g+XKDmQChOaE3kTBmrthbr4tlMyEOzTgHYxYL3oBLGAI5E9B6nLDAatpPIsBEE9iwycIGTgmznoJ4zK0P9JDt5DY6T92Jam0Q+Soss5ex6SgqfgJy/OSlhH1+MWs36hTAKAdoKr5JEI8eE8YKNJtsPwXfk4zZrdsd7O3nNwiSPXkcvyGXG35a+uIZs7AoeZaiqvupLqKkBkMzptS34qgkbNsySru9MZy08wQf+vy64WRoFt/951jc+xeoEovDVD8WGHlmAQasOHbpRuz1RLqCUd01avqzHT1JTrZm2W53qZCxfcZzaKSNygSsuygjp/hfm2cD4QFtRiSuzZ+WQoiOAA5ADIAZQAwADkAOQBjAGMAMwA3AGIAMgAwAGMAYgAAABCAYBoMQQBkAG0AaQBuAAAAIhJWAFEAVgBWAE8AQQBKAEsAAAAqDG4AbwBuAGUAfAAAADImVwBpAG4AZABvAHcAcwAgADcAIABVAGwAdABpAG0AYQB0AGUAAABCNnwAQwBfAEYAXwAyADAANAA3ADUALwAyADYAMQA4ADQAMQB8AEQAXwBVAF8AMAAvADAAfAAAAEgAUEBYiQhgiQhoiQhwtPDXe3gBgAEBigEIMC45Lm9mZmw=<span class="tooltiptext">Click here to copy</span></p></div></td><td style="width: 25%; text-align: right;"><span class="right" style="font-size: 14px; font-weight: bold">IMMINENT SHUTDOWN:<br>------<br>00000 00000 0 00<br>00000 00000 0 00<br>00000 00000 0 00<br>00000 00000 0 00<br>00000 00000 0 00<br>00000 00000 0 00<br>00000 00000 0 00<br>00000 00000 0 00</span></td></tr></table></body></html>

Emails

<b>[email protected]</b>

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 16 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

description	ioc	Process
File renamed	C:\Users\Admin\Pictures\MeasureStep.raw => C:\Users\Admin\Pictures\MeasureStep.raw.D2DGk	maze.bin.exe
File renamed	C:\Users\Admin\Pictures\PushRemove.tiff => C:\Users\Admin\Pictures\PushRemove.tiff.zxz4i	maze.bin.exe
File opened for modification	C:\Users\Admin\Pictures\UnlockCheckpoint.tiff	maze.bin.exe
File renamed	C:\Users\Admin\Pictures\UnlockCheckpoint.tiff => C:\Users\Admin\Pictures\UnlockCheckpoint.tiff.psnVyh	maze.bin.exe
File opened for modification	C:\Users\Admin\Pictures\ResolveExit.tiff	maze.bin.exe
File renamed	C:\Users\Admin\Pictures\ResolveExit.tiff => C:\Users\Admin\Pictures\ResolveExit.tiff.zxz4i	maze.bin.exe
File renamed	C:\Users\Admin\Pictures\StopSet.tiff => C:\Users\Admin\Pictures\StopSet.tiff.psnVyh	maze.bin.exe
File opened for modification	C:\Users\Admin\Pictures\CompleteRestart.tiff	maze.bin.exe
File renamed	C:\Users\Admin\Pictures\CompleteRestart.tiff => C:\Users\Admin\Pictures\CompleteRestart.tiff.AezU	maze.bin.exe
File renamed	C:\Users\Admin\Pictures\JoinDeny.crw => C:\Users\Admin\Pictures\JoinDeny.crw.D2DGk	maze.bin.exe
File opened for modification	C:\Users\Admin\Pictures\StopSet.tiff	maze.bin.exe
File opened for modification	C:\Users\Admin\Pictures\WatchSet.tiff	maze.bin.exe
File renamed	C:\Users\Admin\Pictures\BackupResolve.png => C:\Users\Admin\Pictures\BackupResolve.png.AezU	maze.bin.exe
File renamed	C:\Users\Admin\Pictures\InstallConvertTo.raw => C:\Users\Admin\Pictures\InstallConvertTo.raw.D2DGk	maze.bin.exe
File opened for modification	C:\Users\Admin\Pictures\PushRemove.tiff	maze.bin.exe
File renamed	C:\Users\Admin\Pictures\WatchSet.tiff => C:\Users\Admin\Pictures\WatchSet.tiff.cGywm7	maze.bin.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DECRYPT-FILES.html	maze.bin.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ilpoa22.dat	maze.bin.exe

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

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-1-5-21-3846991908-3261386348-1409841751-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\\\123456789.bmp"	maze.bin.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
844	maze.bin.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1540	wmic.exe
Token: SeSecurityPrivilege	1540	wmic.exe
Token: SeTakeOwnershipPrivilege	1540	wmic.exe
Token: SeLoadDriverPrivilege	1540	wmic.exe
Token: SeSystemProfilePrivilege	1540	wmic.exe
Token: SeSystemtimePrivilege	1540	wmic.exe
Token: SeProfSingleProcessPrivilege	1540	wmic.exe
Token: SeIncBasePriorityPrivilege	1540	wmic.exe
Token: SeCreatePagefilePrivilege	1540	wmic.exe
Token: SeBackupPrivilege	1540	wmic.exe
Token: SeRestorePrivilege	1540	wmic.exe
Token: SeShutdownPrivilege	1540	wmic.exe
Token: SeDebugPrivilege	1540	wmic.exe
Token: SeSystemEnvironmentPrivilege	1540	wmic.exe
Token: SeRemoteShutdownPrivilege	1540	wmic.exe
Token: SeUndockPrivilege	1540	wmic.exe
Token: SeManageVolumePrivilege	1540	wmic.exe
Token: 33	1540	wmic.exe
Token: 34	1540	wmic.exe
Token: 35	1540	wmic.exe
Token: SeIncreaseQuotaPrivilege	1540	wmic.exe
Token: SeSecurityPrivilege	1540	wmic.exe
Token: SeTakeOwnershipPrivilege	1540	wmic.exe
Token: SeLoadDriverPrivilege	1540	wmic.exe
Token: SeSystemProfilePrivilege	1540	wmic.exe
Token: SeSystemtimePrivilege	1540	wmic.exe
Token: SeProfSingleProcessPrivilege	1540	wmic.exe
Token: SeIncBasePriorityPrivilege	1540	wmic.exe
Token: SeCreatePagefilePrivilege	1540	wmic.exe
Token: SeBackupPrivilege	1540	wmic.exe
Token: SeRestorePrivilege	1540	wmic.exe
Token: SeShutdownPrivilege	1540	wmic.exe
Token: SeDebugPrivilege	1540	wmic.exe
Token: SeSystemEnvironmentPrivilege	1540	wmic.exe
Token: SeRemoteShutdownPrivilege	1540	wmic.exe
Token: SeUndockPrivilege	1540	wmic.exe
Token: SeManageVolumePrivilege	1540	wmic.exe
Token: 33	1540	wmic.exe
Token: 34	1540	wmic.exe
Token: 35	1540	wmic.exe
Token: SeBackupPrivilege	1772	vssvc.exe
Token: SeRestorePrivilege	1772	vssvc.exe
Token: SeAuditPrivilege	1772	vssvc.exe
Token: SeIncreaseQuotaPrivilege	1748	wmic.exe
Token: SeSecurityPrivilege	1748	wmic.exe
Token: SeTakeOwnershipPrivilege	1748	wmic.exe
Token: SeLoadDriverPrivilege	1748	wmic.exe
Token: SeSystemProfilePrivilege	1748	wmic.exe
Token: SeSystemtimePrivilege	1748	wmic.exe
Token: SeProfSingleProcessPrivilege	1748	wmic.exe
Token: SeIncBasePriorityPrivilege	1748	wmic.exe
Token: SeCreatePagefilePrivilege	1748	wmic.exe
Token: SeBackupPrivilege	1748	wmic.exe
Token: SeRestorePrivilege	1748	wmic.exe
Token: SeShutdownPrivilege	1748	wmic.exe
Token: SeDebugPrivilege	1748	wmic.exe
Token: SeSystemEnvironmentPrivilege	1748	wmic.exe
Token: SeRemoteShutdownPrivilege	1748	wmic.exe
Token: SeUndockPrivilege	1748	wmic.exe
Token: SeManageVolumePrivilege	1748	wmic.exe
Token: 33	1748	wmic.exe
Token: 34	1748	wmic.exe
Token: 35	1748	wmic.exe
Token: SeIncreaseQuotaPrivilege	1748	wmic.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 844 wrote to memory of 1540	844	maze.bin.exe	27
PID 844 wrote to memory of 1540	844	maze.bin.exe	27
PID 844 wrote to memory of 1540	844	maze.bin.exe	27
PID 844 wrote to memory of 1540	844	maze.bin.exe	27
PID 844 wrote to memory of 1748	844	maze.bin.exe	33
PID 844 wrote to memory of 1748	844	maze.bin.exe	33
PID 844 wrote to memory of 1748	844	maze.bin.exe	33
PID 844 wrote to memory of 1748	844	maze.bin.exe	33

C:\Users\Admin\AppData\Local\Temp\maze.bin.exe
"C:\Users\Admin\AppData\Local\Temp\maze.bin.exe"
1⤵
- Modifies extensions of user files
- Drops startup file
- Sets desktop wallpaper using registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:844
- C:\Windows\system32\wbem\wmic.exe
  "C:\ev\gqr\acpy\..\..\..\Windows\c\w\ycgg\..\..\..\system32\bx\fs\xxmg\..\..\..\wbem\ed\ic\..\..\wmic.exe" shadowcopy delete
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1540
- C:\Windows\system32\wbem\wmic.exe
  "C:\l\vpuc\ndsmq\..\..\..\Windows\gsk\..\system32\vnv\f\bvg\..\..\..\wbem\uibu\mjkoi\..\..\wmic.exe" shadowcopy delete
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1748

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1772

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{3F6B5E16-092A-41ED-930B-0B4125D91D4E}
1⤵
PID:1732

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/844-54-0x0000000076151000-0x0000000076153000-memory.dmp

Filesize
8KB

Download
memory/844-55-0x0000000000490000-0x00000000004E9000-memory.dmp

Filesize
356KB

Download
memory/844-58-0x0000000000490000-0x00000000004E9000-memory.dmp

Filesize
356KB

Download