maze | a9524de985a3ecc43e11dd7c051a4bbfe08c3d71cde98ea9bb6ea7f32c0cb174

General

Target

1.exe
Size

447KB
MD5

9823800f063a1d4ee7a749961db7540f
SHA1

9d2917a668b30ba9f6b3e7a3316553791eb1c052
SHA256

a9524de985a3ecc43e11dd7c051a4bbfe08c3d71cde98ea9bb6ea7f32c0cb174
SHA512

c48624e32dba7f08ce0ca8267e541b123c6a9bf848b81d9e62f7fc4bec9b8ed801a6204ffaece4decf0d31bf2595867ff6f8c0b176e366848b61145cc585e41e
SSDEEP

12288:Yn+KS3UINuBGCz0SxWUNmH2o8PXwU9Eq7zKloxTwRtjauqCXy3X:Y+FUKWAHNqXwUlzD9w7PqCin

Score

10^/10

maze defense_evasion execution impact ransomware spyware stealer trojan

Malware Config

Extracted

Path

C:\$Recycle.Bin\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 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware defense_evasion impact execution

File Deletion
T1070.004

Inhibit System Recovery
T1490

Windows Management Instrumentation
T1047

Drops startup file 2 IoCs

Processes:

1.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\kv030iq.dat	1.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DECRYPT-FILES.html	1.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
T1552.001

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

1.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\\\123456789.bmp"	1.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

1.exe

pid process

2092 1.exe

pid	process
2092	1.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

wmic.exevssvc.exewmic.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	2888	wmic.exe
Token: SeSecurityPrivilege	2888	wmic.exe
Token: SeTakeOwnershipPrivilege	2888	wmic.exe
Token: SeLoadDriverPrivilege	2888	wmic.exe
Token: SeSystemProfilePrivilege	2888	wmic.exe
Token: SeSystemtimePrivilege	2888	wmic.exe
Token: SeProfSingleProcessPrivilege	2888	wmic.exe
Token: SeIncBasePriorityPrivilege	2888	wmic.exe
Token: SeCreatePagefilePrivilege	2888	wmic.exe
Token: SeBackupPrivilege	2888	wmic.exe
Token: SeRestorePrivilege	2888	wmic.exe
Token: SeShutdownPrivilege	2888	wmic.exe
Token: SeDebugPrivilege	2888	wmic.exe
Token: SeSystemEnvironmentPrivilege	2888	wmic.exe
Token: SeRemoteShutdownPrivilege	2888	wmic.exe
Token: SeUndockPrivilege	2888	wmic.exe
Token: SeManageVolumePrivilege	2888	wmic.exe
Token: 33	2888	wmic.exe
Token: 34	2888	wmic.exe
Token: 35	2888	wmic.exe
Token: SeIncreaseQuotaPrivilege	2888	wmic.exe
Token: SeSecurityPrivilege	2888	wmic.exe
Token: SeTakeOwnershipPrivilege	2888	wmic.exe
Token: SeLoadDriverPrivilege	2888	wmic.exe
Token: SeSystemProfilePrivilege	2888	wmic.exe
Token: SeSystemtimePrivilege	2888	wmic.exe
Token: SeProfSingleProcessPrivilege	2888	wmic.exe
Token: SeIncBasePriorityPrivilege	2888	wmic.exe
Token: SeCreatePagefilePrivilege	2888	wmic.exe
Token: SeBackupPrivilege	2888	wmic.exe
Token: SeRestorePrivilege	2888	wmic.exe
Token: SeShutdownPrivilege	2888	wmic.exe
Token: SeDebugPrivilege	2888	wmic.exe
Token: SeSystemEnvironmentPrivilege	2888	wmic.exe
Token: SeRemoteShutdownPrivilege	2888	wmic.exe
Token: SeUndockPrivilege	2888	wmic.exe
Token: SeManageVolumePrivilege	2888	wmic.exe
Token: 33	2888	wmic.exe
Token: 34	2888	wmic.exe
Token: 35	2888	wmic.exe
Token: SeBackupPrivilege	2476	vssvc.exe
Token: SeRestorePrivilege	2476	vssvc.exe
Token: SeAuditPrivilege	2476	vssvc.exe
Token: SeIncreaseQuotaPrivilege	2716	wmic.exe
Token: SeSecurityPrivilege	2716	wmic.exe
Token: SeTakeOwnershipPrivilege	2716	wmic.exe
Token: SeLoadDriverPrivilege	2716	wmic.exe
Token: SeSystemProfilePrivilege	2716	wmic.exe
Token: SeSystemtimePrivilege	2716	wmic.exe
Token: SeProfSingleProcessPrivilege	2716	wmic.exe
Token: SeIncBasePriorityPrivilege	2716	wmic.exe
Token: SeCreatePagefilePrivilege	2716	wmic.exe
Token: SeBackupPrivilege	2716	wmic.exe
Token: SeRestorePrivilege	2716	wmic.exe
Token: SeShutdownPrivilege	2716	wmic.exe
Token: SeDebugPrivilege	2716	wmic.exe
Token: SeSystemEnvironmentPrivilege	2716	wmic.exe
Token: SeRemoteShutdownPrivilege	2716	wmic.exe
Token: SeUndockPrivilege	2716	wmic.exe
Token: SeManageVolumePrivilege	2716	wmic.exe
Token: 33	2716	wmic.exe
Token: 34	2716	wmic.exe
Token: 35	2716	wmic.exe
Token: SeIncreaseQuotaPrivilege	2716	wmic.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

1.exe

description	pid	process	target process
PID 2092 wrote to memory of 2888	2092	1.exe	wmic.exe
PID 2092 wrote to memory of 2888	2092	1.exe	wmic.exe
PID 2092 wrote to memory of 2888	2092	1.exe	wmic.exe
PID 2092 wrote to memory of 2888	2092	1.exe	wmic.exe
PID 2092 wrote to memory of 2716	2092	1.exe	wmic.exe
PID 2092 wrote to memory of 2716	2092	1.exe	wmic.exe
PID 2092 wrote to memory of 2716	2092	1.exe	wmic.exe
PID 2092 wrote to memory of 2716	2092	1.exe	wmic.exe

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\1.exe
"C:\Users\Admin\AppData\Local\Temp\1.exe"
1⤵
- Drops startup file
- Sets desktop wallpaper using registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2092
- C:\Windows\system32\wbem\wmic.exe
  "C:\k\..\Windows\xhfx\gklf\nysx\..\..\..\system32\vtvuu\..\wbem\riqje\uusq\..\..\wmic.exe" shadowcopy delete
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2888
- C:\Windows\system32\wbem\wmic.exe
  "C:\w\m\j\..\..\..\Windows\fis\t\..\..\system32\f\..\wbem\uwpu\xwmj\..\..\wmic.exe" shadowcopy delete
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2716

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2476

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{3F6B5E16-092A-41ED-930B-0B4125D91D4E}
1⤵
PID:672

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Windows Management Instrumentation

1

T1047

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

1

T1070

File Deletion

Modify Registry

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Defacement

1

T1491

Inhibit System Recovery

1

T1490

Replay Monitor

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Downloads

C:\$Recycle.Bin\DECRYPT-FILES.html

Filesize
6KB

MD5
4f2f870ebe1a7b1a11a0980f43a707d2

SHA1
aa649f1562e0276796dbd7d0d18be57b640c1404

SHA256
40e9ac8e55c4a54a5cd239dba933ab229eb5bbccd2031abd2b912bed147ad0e6

SHA512
48a4c5fc9efcda5b3b3e886fc1b616dbf367d0cd998b100429da9e310f28aa32ff915c62b6020821030536a756d84b2f8cdb8b2b7a4e105bc92647212e16555e

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Speech\Files\UserLexicons\SP_3478803ECE304549A93692129C440131.dat

Filesize
940B

MD5
871ce001718c255cdef77ded5201e209

SHA1
1935107b1b0cb246cd9dec41447e4a6e4c7465df

SHA256
811ed77405b73b73b745745c2f8679a16394a131468697ef0b27ccc3cd563e21

SHA512
dbc35a9e5b875e32a5d6277104d1e62f17ce6cadaf33c0b2dea59aa3fedcfb2808b8ef380c418e08b56c250fe25fd13deb9063621aef73dd9f2b274c5aeaf22d

Download Submit
memory/2092-0-0x0000000000170000-0x00000000001C9000-memory.dmp

Filesize
356KB

Download
memory/2092-1-0x00000000003F0000-0x000000000044A000-memory.dmp

Filesize
360KB

Download
memory/2092-5-0x00000000003F0000-0x000000000044A000-memory.dmp

Filesize
360KB

Download
memory/2092-9-0x00000000003F0000-0x000000000044A000-memory.dmp

Filesize
360KB

Download
memory/2092-10-0x00000000003F0000-0x000000000044A000-memory.dmp

Filesize
360KB

Download
memory/2092-14-0x00000000003F0000-0x000000000044A000-memory.dmp

Filesize
360KB

Download
memory/2092-1751-0x00000000003F0000-0x000000000044A000-memory.dmp

Filesize
360KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads