maze | 2d2eebc4d408c5f261c8cd130246bca1736376a5b434f422033ff02566354da6

Analysis

max time kernel
165s
max time network
178s
platform
windows7_x64
resource
win7-en-20211208
submitted
16/02/2022, 23:07

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General

Target

2d2eebc4d408c5f261c8cd130246bca1736376a5b434f422033ff02566354da6.exe
Size

348KB
MD5

d444509ad9103c7b53886c25f7a0db7d
SHA1

5815f849de39537e54d080d6875dd886191afaf6
SHA256

2d2eebc4d408c5f261c8cd130246bca1736376a5b434f422033ff02566354da6
SHA512

7a36df9119a2157bf5c74e73bc160e46e0add8d178cea26d5395ec3e5677ceeb887bc1de1957c54520e04af47b499b98256649d4b7d5bba427f3b8ceb508a259

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">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<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 10 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

description	ioc	Process
File renamed	C:\Users\Admin\Pictures\RestoreStop.png => C:\Users\Admin\Pictures\RestoreStop.png.otu16J	2d2eebc4d408c5f261c8cd130246bca1736376a5b434f422033ff02566354da6.exe
File opened for modification	C:\Users\Admin\Pictures\SearchSync.tiff	2d2eebc4d408c5f261c8cd130246bca1736376a5b434f422033ff02566354da6.exe
File renamed	C:\Users\Admin\Pictures\SearchSync.tiff => C:\Users\Admin\Pictures\SearchSync.tiff.otu16J	2d2eebc4d408c5f261c8cd130246bca1736376a5b434f422033ff02566354da6.exe
File renamed	C:\Users\Admin\Pictures\UnblockDeny.png => C:\Users\Admin\Pictures\UnblockDeny.png.otu16J	2d2eebc4d408c5f261c8cd130246bca1736376a5b434f422033ff02566354da6.exe
File renamed	C:\Users\Admin\Pictures\ConnectClose.tif => C:\Users\Admin\Pictures\ConnectClose.tif.Abrx	2d2eebc4d408c5f261c8cd130246bca1736376a5b434f422033ff02566354da6.exe
File opened for modification	C:\Users\Admin\Pictures\InvokePush.tiff	2d2eebc4d408c5f261c8cd130246bca1736376a5b434f422033ff02566354da6.exe
File renamed	C:\Users\Admin\Pictures\InvokePush.tiff => C:\Users\Admin\Pictures\InvokePush.tiff.iKME3	2d2eebc4d408c5f261c8cd130246bca1736376a5b434f422033ff02566354da6.exe
File renamed	C:\Users\Admin\Pictures\OutPublish.raw => C:\Users\Admin\Pictures\OutPublish.raw.WSmSD	2d2eebc4d408c5f261c8cd130246bca1736376a5b434f422033ff02566354da6.exe
File renamed	C:\Users\Admin\Pictures\SaveClear.tif => C:\Users\Admin\Pictures\SaveClear.tif.otu16J	2d2eebc4d408c5f261c8cd130246bca1736376a5b434f422033ff02566354da6.exe
File renamed	C:\Users\Admin\Pictures\SyncClear.crw => C:\Users\Admin\Pictures\SyncClear.crw.otu16J	2d2eebc4d408c5f261c8cd130246bca1736376a5b434f422033ff02566354da6.exe

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\dje5k42nw.dat	2d2eebc4d408c5f261c8cd130246bca1736376a5b434f422033ff02566354da6.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DECRYPT-FILES.html	2d2eebc4d408c5f261c8cd130246bca1736376a5b434f422033ff02566354da6.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"	2d2eebc4d408c5f261c8cd130246bca1736376a5b434f422033ff02566354da6.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1164	2d2eebc4d408c5f261c8cd130246bca1736376a5b434f422033ff02566354da6.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	460	wmic.exe
Token: SeSecurityPrivilege	460	wmic.exe
Token: SeTakeOwnershipPrivilege	460	wmic.exe
Token: SeLoadDriverPrivilege	460	wmic.exe
Token: SeSystemProfilePrivilege	460	wmic.exe
Token: SeSystemtimePrivilege	460	wmic.exe
Token: SeProfSingleProcessPrivilege	460	wmic.exe
Token: SeIncBasePriorityPrivilege	460	wmic.exe
Token: SeCreatePagefilePrivilege	460	wmic.exe
Token: SeBackupPrivilege	460	wmic.exe
Token: SeRestorePrivilege	460	wmic.exe
Token: SeShutdownPrivilege	460	wmic.exe
Token: SeDebugPrivilege	460	wmic.exe
Token: SeSystemEnvironmentPrivilege	460	wmic.exe
Token: SeRemoteShutdownPrivilege	460	wmic.exe
Token: SeUndockPrivilege	460	wmic.exe
Token: SeManageVolumePrivilege	460	wmic.exe
Token: 33	460	wmic.exe
Token: 34	460	wmic.exe
Token: 35	460	wmic.exe
Token: SeIncreaseQuotaPrivilege	460	wmic.exe
Token: SeSecurityPrivilege	460	wmic.exe
Token: SeTakeOwnershipPrivilege	460	wmic.exe
Token: SeLoadDriverPrivilege	460	wmic.exe
Token: SeSystemProfilePrivilege	460	wmic.exe
Token: SeSystemtimePrivilege	460	wmic.exe
Token: SeProfSingleProcessPrivilege	460	wmic.exe
Token: SeIncBasePriorityPrivilege	460	wmic.exe
Token: SeCreatePagefilePrivilege	460	wmic.exe
Token: SeBackupPrivilege	460	wmic.exe
Token: SeRestorePrivilege	460	wmic.exe
Token: SeShutdownPrivilege	460	wmic.exe
Token: SeDebugPrivilege	460	wmic.exe
Token: SeSystemEnvironmentPrivilege	460	wmic.exe
Token: SeRemoteShutdownPrivilege	460	wmic.exe
Token: SeUndockPrivilege	460	wmic.exe
Token: SeManageVolumePrivilege	460	wmic.exe
Token: 33	460	wmic.exe
Token: 34	460	wmic.exe
Token: 35	460	wmic.exe
Token: SeBackupPrivilege	520	vssvc.exe
Token: SeRestorePrivilege	520	vssvc.exe
Token: SeAuditPrivilege	520	vssvc.exe
Token: SeIncreaseQuotaPrivilege	1896	wmic.exe
Token: SeSecurityPrivilege	1896	wmic.exe
Token: SeTakeOwnershipPrivilege	1896	wmic.exe
Token: SeLoadDriverPrivilege	1896	wmic.exe
Token: SeSystemProfilePrivilege	1896	wmic.exe
Token: SeSystemtimePrivilege	1896	wmic.exe
Token: SeProfSingleProcessPrivilege	1896	wmic.exe
Token: SeIncBasePriorityPrivilege	1896	wmic.exe
Token: SeCreatePagefilePrivilege	1896	wmic.exe
Token: SeBackupPrivilege	1896	wmic.exe
Token: SeRestorePrivilege	1896	wmic.exe
Token: SeShutdownPrivilege	1896	wmic.exe
Token: SeDebugPrivilege	1896	wmic.exe
Token: SeSystemEnvironmentPrivilege	1896	wmic.exe
Token: SeRemoteShutdownPrivilege	1896	wmic.exe
Token: SeUndockPrivilege	1896	wmic.exe
Token: SeManageVolumePrivilege	1896	wmic.exe
Token: 33	1896	wmic.exe
Token: 34	1896	wmic.exe
Token: 35	1896	wmic.exe
Token: SeIncreaseQuotaPrivilege	1896	wmic.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1164 wrote to memory of 460	1164	2d2eebc4d408c5f261c8cd130246bca1736376a5b434f422033ff02566354da6.exe	27
PID 1164 wrote to memory of 460	1164	2d2eebc4d408c5f261c8cd130246bca1736376a5b434f422033ff02566354da6.exe	27
PID 1164 wrote to memory of 460	1164	2d2eebc4d408c5f261c8cd130246bca1736376a5b434f422033ff02566354da6.exe	27
PID 1164 wrote to memory of 460	1164	2d2eebc4d408c5f261c8cd130246bca1736376a5b434f422033ff02566354da6.exe	27
PID 1164 wrote to memory of 1896	1164	2d2eebc4d408c5f261c8cd130246bca1736376a5b434f422033ff02566354da6.exe	37
PID 1164 wrote to memory of 1896	1164	2d2eebc4d408c5f261c8cd130246bca1736376a5b434f422033ff02566354da6.exe	37
PID 1164 wrote to memory of 1896	1164	2d2eebc4d408c5f261c8cd130246bca1736376a5b434f422033ff02566354da6.exe	37
PID 1164 wrote to memory of 1896	1164	2d2eebc4d408c5f261c8cd130246bca1736376a5b434f422033ff02566354da6.exe	37

C:\Users\Admin\AppData\Local\Temp\2d2eebc4d408c5f261c8cd130246bca1736376a5b434f422033ff02566354da6.exe
"C:\Users\Admin\AppData\Local\Temp\2d2eebc4d408c5f261c8cd130246bca1736376a5b434f422033ff02566354da6.exe"
1⤵
- Modifies extensions of user files
- Drops startup file
- Sets desktop wallpaper using registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1164
- C:\Windows\system32\wbem\wmic.exe
  "C:\on\pref\..\..\Windows\htiwe\s\..\..\system32\ylem\hktl\q\..\..\..\wbem\anrm\tgf\..\..\wmic.exe" shadowcopy delete
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:460
- C:\Windows\system32\wbem\wmic.exe
  "C:\d\..\Windows\yfkb\vfml\d\..\..\..\system32\y\..\wbem\a\..\wmic.exe" shadowcopy delete
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1896

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:520

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{3F6B5E16-092A-41ED-930B-0B4125D91D4E}
1⤵
PID:1768

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x550
1⤵
PID:208

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

Replay Monitor

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Downloads

memory/1164-54-0x0000000076491000-0x0000000076493000-memory.dmp

Filesize
8KB

Download