maze | 9fcab81f339b7e009a40e9f263f8d2e56fcf1ec5fc230ee47c69e0b672b7c272

Analysis

max time kernel
158s
max time network
176s
platform
windows7_x64
resource
win7-en-20211208
submitted
16-02-2022 22:45

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General

Target

9fcab81f339b7e009a40e9f263f8d2e56fcf1ec5fc230ee47c69e0b672b7c272.exe
Size

381KB
MD5

6405a2a713548111aa9a1a807fff6df5
SHA1

a8eb4ee46b792072347a73b21fad832f200128c3
SHA256

9fcab81f339b7e009a40e9f263f8d2e56fcf1ec5fc230ee47c69e0b672b7c272
SHA512

f0b576ed89c04541b7a6a2b5ff8a5ab7c8911ddd3573c9653bf536d337e9ef219c9465372ba061e5133ebb38feeebfad1a9e9d25c9fc9471c8c10ee0341747a0

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 opened for modification	C:\Users\Admin\Pictures\CompareCopy.tiff	9fcab81f339b7e009a40e9f263f8d2e56fcf1ec5fc230ee47c69e0b672b7c272.exe
File renamed	C:\Users\Admin\Pictures\CompareCopy.tiff => C:\Users\Admin\Pictures\CompareCopy.tiff.SOMc	9fcab81f339b7e009a40e9f263f8d2e56fcf1ec5fc230ee47c69e0b672b7c272.exe
File opened for modification	C:\Users\Admin\Pictures\OpenAssert.tiff	9fcab81f339b7e009a40e9f263f8d2e56fcf1ec5fc230ee47c69e0b672b7c272.exe
File renamed	C:\Users\Admin\Pictures\OpenAssert.tiff => C:\Users\Admin\Pictures\OpenAssert.tiff.T0ZMT	9fcab81f339b7e009a40e9f263f8d2e56fcf1ec5fc230ee47c69e0b672b7c272.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	9fcab81f339b7e009a40e9f263f8d2e56fcf1ec5fc230ee47c69e0b672b7c272.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\z7m0fygy.dat	9fcab81f339b7e009a40e9f263f8d2e56fcf1ec5fc230ee47c69e0b672b7c272.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"	9fcab81f339b7e009a40e9f263f8d2e56fcf1ec5fc230ee47c69e0b672b7c272.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1600	9fcab81f339b7e009a40e9f263f8d2e56fcf1ec5fc230ee47c69e0b672b7c272.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	760	wmic.exe
Token: SeSecurityPrivilege	760	wmic.exe
Token: SeTakeOwnershipPrivilege	760	wmic.exe
Token: SeLoadDriverPrivilege	760	wmic.exe
Token: SeSystemProfilePrivilege	760	wmic.exe
Token: SeSystemtimePrivilege	760	wmic.exe
Token: SeProfSingleProcessPrivilege	760	wmic.exe
Token: SeIncBasePriorityPrivilege	760	wmic.exe
Token: SeCreatePagefilePrivilege	760	wmic.exe
Token: SeBackupPrivilege	760	wmic.exe
Token: SeRestorePrivilege	760	wmic.exe
Token: SeShutdownPrivilege	760	wmic.exe
Token: SeDebugPrivilege	760	wmic.exe
Token: SeSystemEnvironmentPrivilege	760	wmic.exe
Token: SeRemoteShutdownPrivilege	760	wmic.exe
Token: SeUndockPrivilege	760	wmic.exe
Token: SeManageVolumePrivilege	760	wmic.exe
Token: 33	760	wmic.exe
Token: 34	760	wmic.exe
Token: 35	760	wmic.exe
Token: SeIncreaseQuotaPrivilege	760	wmic.exe
Token: SeSecurityPrivilege	760	wmic.exe
Token: SeTakeOwnershipPrivilege	760	wmic.exe
Token: SeLoadDriverPrivilege	760	wmic.exe
Token: SeSystemProfilePrivilege	760	wmic.exe
Token: SeSystemtimePrivilege	760	wmic.exe
Token: SeProfSingleProcessPrivilege	760	wmic.exe
Token: SeIncBasePriorityPrivilege	760	wmic.exe
Token: SeCreatePagefilePrivilege	760	wmic.exe
Token: SeBackupPrivilege	760	wmic.exe
Token: SeRestorePrivilege	760	wmic.exe
Token: SeShutdownPrivilege	760	wmic.exe
Token: SeDebugPrivilege	760	wmic.exe
Token: SeSystemEnvironmentPrivilege	760	wmic.exe
Token: SeRemoteShutdownPrivilege	760	wmic.exe
Token: SeUndockPrivilege	760	wmic.exe
Token: SeManageVolumePrivilege	760	wmic.exe
Token: 33	760	wmic.exe
Token: 34	760	wmic.exe
Token: 35	760	wmic.exe
Token: SeBackupPrivilege	1836	vssvc.exe
Token: SeRestorePrivilege	1836	vssvc.exe
Token: SeAuditPrivilege	1836	vssvc.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: SeIncreaseQuotaPrivilege	1540	wmic.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1600 wrote to memory of 760	1600	9fcab81f339b7e009a40e9f263f8d2e56fcf1ec5fc230ee47c69e0b672b7c272.exe	27
PID 1600 wrote to memory of 760	1600	9fcab81f339b7e009a40e9f263f8d2e56fcf1ec5fc230ee47c69e0b672b7c272.exe	27
PID 1600 wrote to memory of 760	1600	9fcab81f339b7e009a40e9f263f8d2e56fcf1ec5fc230ee47c69e0b672b7c272.exe	27
PID 1600 wrote to memory of 760	1600	9fcab81f339b7e009a40e9f263f8d2e56fcf1ec5fc230ee47c69e0b672b7c272.exe	27
PID 1600 wrote to memory of 1540	1600	9fcab81f339b7e009a40e9f263f8d2e56fcf1ec5fc230ee47c69e0b672b7c272.exe	38
PID 1600 wrote to memory of 1540	1600	9fcab81f339b7e009a40e9f263f8d2e56fcf1ec5fc230ee47c69e0b672b7c272.exe	38
PID 1600 wrote to memory of 1540	1600	9fcab81f339b7e009a40e9f263f8d2e56fcf1ec5fc230ee47c69e0b672b7c272.exe	38
PID 1600 wrote to memory of 1540	1600	9fcab81f339b7e009a40e9f263f8d2e56fcf1ec5fc230ee47c69e0b672b7c272.exe	38

C:\Users\Admin\AppData\Local\Temp\9fcab81f339b7e009a40e9f263f8d2e56fcf1ec5fc230ee47c69e0b672b7c272.exe
"C:\Users\Admin\AppData\Local\Temp\9fcab81f339b7e009a40e9f263f8d2e56fcf1ec5fc230ee47c69e0b672b7c272.exe"
1⤵
- Modifies extensions of user files
- Drops startup file
- Sets desktop wallpaper using registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1600
- C:\Windows\system32\wbem\wmic.exe
  "C:\klt\g\phl\..\..\..\Windows\mw\jci\xb\..\..\..\system32\wkg\..\wbem\xdc\xdn\..\..\wmic.exe" shadowcopy delete
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:760
- C:\Windows\system32\wbem\wmic.exe
  "C:\dmyb\lbvq\viwd\..\..\..\Windows\ki\skgpd\pq\..\..\..\system32\jyleh\gih\od\..\..\..\wbem\r\wtlh\t\..\..\..\wmic.exe" shadowcopy delete
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1540

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1836

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{3F6B5E16-092A-41ED-930B-0B4125D91D4E}
1⤵
PID:1632

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/1600-54-0x0000000075CE1000-0x0000000075CE3000-memory.dmp

Filesize
8KB

Download