maze | 71b684c0b52bfa1a8b79ee57b99af14a87b977489c08d002b784bdf7584993c5

Analysis

max time kernel
166s
max time network
185s
platform
windows7_x64
resource
win7-en-20211208
submitted
16-02-2022 22:54

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General

Target

71b684c0b52bfa1a8b79ee57b99af14a87b977489c08d002b784bdf7584993c5.exe
Size

486KB
MD5

a66202a5f7e693196a03ebb371ab5c5f
SHA1

1d55ed4048f1ab5fc485776081526e758297e214
SHA256

71b684c0b52bfa1a8b79ee57b99af14a87b977489c08d002b784bdf7584993c5
SHA512

946a34003e65eafb866db270d90477bfa0828e230e42b7a998d11bddce21ca72fe31f23add3c714c4dcbb2c6c7e55df7328f662529819d3874e8973e78d4a5cf

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 4 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

description	ioc	Process
File renamed	C:\Users\Admin\Pictures\RequestCopy.png => C:\Users\Admin\Pictures\RequestCopy.png.amhc7iI	71b684c0b52bfa1a8b79ee57b99af14a87b977489c08d002b784bdf7584993c5.exe
File renamed	C:\Users\Admin\Pictures\SyncRead.raw => C:\Users\Admin\Pictures\SyncRead.raw.amhc7iI	71b684c0b52bfa1a8b79ee57b99af14a87b977489c08d002b784bdf7584993c5.exe
File renamed	C:\Users\Admin\Pictures\ExpandUnpublish.tif => C:\Users\Admin\Pictures\ExpandUnpublish.tif.xOp78o	71b684c0b52bfa1a8b79ee57b99af14a87b977489c08d002b784bdf7584993c5.exe
File renamed	C:\Users\Admin\Pictures\NewConnect.png => C:\Users\Admin\Pictures\NewConnect.png.xOp78o	71b684c0b52bfa1a8b79ee57b99af14a87b977489c08d002b784bdf7584993c5.exe

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\f2odu.dat	71b684c0b52bfa1a8b79ee57b99af14a87b977489c08d002b784bdf7584993c5.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DECRYPT-FILES.html	71b684c0b52bfa1a8b79ee57b99af14a87b977489c08d002b784bdf7584993c5.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"	71b684c0b52bfa1a8b79ee57b99af14a87b977489c08d002b784bdf7584993c5.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1084	71b684c0b52bfa1a8b79ee57b99af14a87b977489c08d002b784bdf7584993c5.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	320	wmic.exe
Token: SeSecurityPrivilege	320	wmic.exe
Token: SeTakeOwnershipPrivilege	320	wmic.exe
Token: SeLoadDriverPrivilege	320	wmic.exe
Token: SeSystemProfilePrivilege	320	wmic.exe
Token: SeSystemtimePrivilege	320	wmic.exe
Token: SeProfSingleProcessPrivilege	320	wmic.exe
Token: SeIncBasePriorityPrivilege	320	wmic.exe
Token: SeCreatePagefilePrivilege	320	wmic.exe
Token: SeBackupPrivilege	320	wmic.exe
Token: SeRestorePrivilege	320	wmic.exe
Token: SeShutdownPrivilege	320	wmic.exe
Token: SeDebugPrivilege	320	wmic.exe
Token: SeSystemEnvironmentPrivilege	320	wmic.exe
Token: SeRemoteShutdownPrivilege	320	wmic.exe
Token: SeUndockPrivilege	320	wmic.exe
Token: SeManageVolumePrivilege	320	wmic.exe
Token: 33	320	wmic.exe
Token: 34	320	wmic.exe
Token: 35	320	wmic.exe
Token: SeIncreaseQuotaPrivilege	320	wmic.exe
Token: SeSecurityPrivilege	320	wmic.exe
Token: SeTakeOwnershipPrivilege	320	wmic.exe
Token: SeLoadDriverPrivilege	320	wmic.exe
Token: SeSystemProfilePrivilege	320	wmic.exe
Token: SeSystemtimePrivilege	320	wmic.exe
Token: SeProfSingleProcessPrivilege	320	wmic.exe
Token: SeIncBasePriorityPrivilege	320	wmic.exe
Token: SeCreatePagefilePrivilege	320	wmic.exe
Token: SeBackupPrivilege	320	wmic.exe
Token: SeRestorePrivilege	320	wmic.exe
Token: SeShutdownPrivilege	320	wmic.exe
Token: SeDebugPrivilege	320	wmic.exe
Token: SeSystemEnvironmentPrivilege	320	wmic.exe
Token: SeRemoteShutdownPrivilege	320	wmic.exe
Token: SeUndockPrivilege	320	wmic.exe
Token: SeManageVolumePrivilege	320	wmic.exe
Token: 33	320	wmic.exe
Token: 34	320	wmic.exe
Token: 35	320	wmic.exe
Token: SeBackupPrivilege	1868	vssvc.exe
Token: SeRestorePrivilege	1868	vssvc.exe
Token: SeAuditPrivilege	1868	vssvc.exe
Token: SeIncreaseQuotaPrivilege	1932	wmic.exe
Token: SeSecurityPrivilege	1932	wmic.exe
Token: SeTakeOwnershipPrivilege	1932	wmic.exe
Token: SeLoadDriverPrivilege	1932	wmic.exe
Token: SeSystemProfilePrivilege	1932	wmic.exe
Token: SeSystemtimePrivilege	1932	wmic.exe
Token: SeProfSingleProcessPrivilege	1932	wmic.exe
Token: SeIncBasePriorityPrivilege	1932	wmic.exe
Token: SeCreatePagefilePrivilege	1932	wmic.exe
Token: SeBackupPrivilege	1932	wmic.exe
Token: SeRestorePrivilege	1932	wmic.exe
Token: SeShutdownPrivilege	1932	wmic.exe
Token: SeDebugPrivilege	1932	wmic.exe
Token: SeSystemEnvironmentPrivilege	1932	wmic.exe
Token: SeRemoteShutdownPrivilege	1932	wmic.exe
Token: SeUndockPrivilege	1932	wmic.exe
Token: SeManageVolumePrivilege	1932	wmic.exe
Token: 33	1932	wmic.exe
Token: 34	1932	wmic.exe
Token: 35	1932	wmic.exe
Token: SeIncreaseQuotaPrivilege	1932	wmic.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1084 wrote to memory of 320	1084	71b684c0b52bfa1a8b79ee57b99af14a87b977489c08d002b784bdf7584993c5.exe	27
PID 1084 wrote to memory of 320	1084	71b684c0b52bfa1a8b79ee57b99af14a87b977489c08d002b784bdf7584993c5.exe	27
PID 1084 wrote to memory of 320	1084	71b684c0b52bfa1a8b79ee57b99af14a87b977489c08d002b784bdf7584993c5.exe	27
PID 1084 wrote to memory of 320	1084	71b684c0b52bfa1a8b79ee57b99af14a87b977489c08d002b784bdf7584993c5.exe	27
PID 1084 wrote to memory of 1932	1084	71b684c0b52bfa1a8b79ee57b99af14a87b977489c08d002b784bdf7584993c5.exe	37
PID 1084 wrote to memory of 1932	1084	71b684c0b52bfa1a8b79ee57b99af14a87b977489c08d002b784bdf7584993c5.exe	37
PID 1084 wrote to memory of 1932	1084	71b684c0b52bfa1a8b79ee57b99af14a87b977489c08d002b784bdf7584993c5.exe	37
PID 1084 wrote to memory of 1932	1084	71b684c0b52bfa1a8b79ee57b99af14a87b977489c08d002b784bdf7584993c5.exe	37

C:\Users\Admin\AppData\Local\Temp\71b684c0b52bfa1a8b79ee57b99af14a87b977489c08d002b784bdf7584993c5.exe
"C:\Users\Admin\AppData\Local\Temp\71b684c0b52bfa1a8b79ee57b99af14a87b977489c08d002b784bdf7584993c5.exe"
1⤵
- Modifies extensions of user files
- Drops startup file
- Sets desktop wallpaper using registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1084
- C:\Windows\system32\wbem\wmic.exe
  "C:\r\emqb\hfrmm\..\..\..\Windows\wirtq\ch\..\..\system32\krpy\..\wbem\k\bpeb\ev\..\..\..\wmic.exe" shadowcopy delete
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:320
- C:\Windows\system32\wbem\wmic.exe
  "C:\qeir\..\Windows\nfy\..\system32\blixx\moa\..\..\wbem\igt\aani\..\..\wmic.exe" shadowcopy delete
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1932

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1868

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/1084-54-0x0000000075341000-0x0000000075343000-memory.dmp

Filesize
8KB

Download