maze | a9524de985a3ecc43e11dd7c051a4bbfe08c3d71cde98ea9bb6ea7f32c0cb174

Resubmissions

11-06-2024 09:53

240611-lwmnaaseqh 10

11-06-2024 09:47

240611-lsfesssdqh 10

Analysis

max time kernel
839s
max time network
839s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
11-06-2024 09:53

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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:\Users\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 created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DECRYPT-FILES.html	1.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\0uc0p12.dat	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-1-5-21-2721934792-624042501-2768869379-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\\\123456789.bmp"	1.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

1.exe

pid	Process
1984	1.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

wmic.exevssvc.exewmic.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2604	wmic.exe
Token: SeSecurityPrivilege	2604	wmic.exe
Token: SeTakeOwnershipPrivilege	2604	wmic.exe
Token: SeLoadDriverPrivilege	2604	wmic.exe
Token: SeSystemProfilePrivilege	2604	wmic.exe
Token: SeSystemtimePrivilege	2604	wmic.exe
Token: SeProfSingleProcessPrivilege	2604	wmic.exe
Token: SeIncBasePriorityPrivilege	2604	wmic.exe
Token: SeCreatePagefilePrivilege	2604	wmic.exe
Token: SeBackupPrivilege	2604	wmic.exe
Token: SeRestorePrivilege	2604	wmic.exe
Token: SeShutdownPrivilege	2604	wmic.exe
Token: SeDebugPrivilege	2604	wmic.exe
Token: SeSystemEnvironmentPrivilege	2604	wmic.exe
Token: SeRemoteShutdownPrivilege	2604	wmic.exe
Token: SeUndockPrivilege	2604	wmic.exe
Token: SeManageVolumePrivilege	2604	wmic.exe
Token: 33	2604	wmic.exe
Token: 34	2604	wmic.exe
Token: 35	2604	wmic.exe
Token: SeIncreaseQuotaPrivilege	2604	wmic.exe
Token: SeSecurityPrivilege	2604	wmic.exe
Token: SeTakeOwnershipPrivilege	2604	wmic.exe
Token: SeLoadDriverPrivilege	2604	wmic.exe
Token: SeSystemProfilePrivilege	2604	wmic.exe
Token: SeSystemtimePrivilege	2604	wmic.exe
Token: SeProfSingleProcessPrivilege	2604	wmic.exe
Token: SeIncBasePriorityPrivilege	2604	wmic.exe
Token: SeCreatePagefilePrivilege	2604	wmic.exe
Token: SeBackupPrivilege	2604	wmic.exe
Token: SeRestorePrivilege	2604	wmic.exe
Token: SeShutdownPrivilege	2604	wmic.exe
Token: SeDebugPrivilege	2604	wmic.exe
Token: SeSystemEnvironmentPrivilege	2604	wmic.exe
Token: SeRemoteShutdownPrivilege	2604	wmic.exe
Token: SeUndockPrivilege	2604	wmic.exe
Token: SeManageVolumePrivilege	2604	wmic.exe
Token: 33	2604	wmic.exe
Token: 34	2604	wmic.exe
Token: 35	2604	wmic.exe
Token: SeBackupPrivilege	2524	vssvc.exe
Token: SeRestorePrivilege	2524	vssvc.exe
Token: SeAuditPrivilege	2524	vssvc.exe
Token: SeIncreaseQuotaPrivilege	1940	wmic.exe
Token: SeSecurityPrivilege	1940	wmic.exe
Token: SeTakeOwnershipPrivilege	1940	wmic.exe
Token: SeLoadDriverPrivilege	1940	wmic.exe
Token: SeSystemProfilePrivilege	1940	wmic.exe
Token: SeSystemtimePrivilege	1940	wmic.exe
Token: SeProfSingleProcessPrivilege	1940	wmic.exe
Token: SeIncBasePriorityPrivilege	1940	wmic.exe
Token: SeCreatePagefilePrivilege	1940	wmic.exe
Token: SeBackupPrivilege	1940	wmic.exe
Token: SeRestorePrivilege	1940	wmic.exe
Token: SeShutdownPrivilege	1940	wmic.exe
Token: SeDebugPrivilege	1940	wmic.exe
Token: SeSystemEnvironmentPrivilege	1940	wmic.exe
Token: SeRemoteShutdownPrivilege	1940	wmic.exe
Token: SeUndockPrivilege	1940	wmic.exe
Token: SeManageVolumePrivilege	1940	wmic.exe
Token: 33	1940	wmic.exe
Token: 34	1940	wmic.exe
Token: 35	1940	wmic.exe
Token: SeIncreaseQuotaPrivilege	1940	wmic.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

1.exe

description	pid	Process	procid_target
PID 1984 wrote to memory of 2604	1984	1.exe	29
PID 1984 wrote to memory of 2604	1984	1.exe	29
PID 1984 wrote to memory of 2604	1984	1.exe	29
PID 1984 wrote to memory of 2604	1984	1.exe	29
PID 1984 wrote to memory of 1940	1984	1.exe	33
PID 1984 wrote to memory of 1940	1984	1.exe	33
PID 1984 wrote to memory of 1940	1984	1.exe	33
PID 1984 wrote to memory of 1940	1984	1.exe	33

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:1984
- C:\Windows\system32\wbem\wmic.exe
  "C:\gkpd\..\Windows\wv\nxfgw\..\..\system32\pcp\cil\cdipk\..\..\..\wbem\vjivn\bf\vfd\..\..\..\wmic.exe" shadowcopy delete
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2604
- C:\Windows\system32\wbem\wmic.exe
  "C:\ttx\ejsjh\..\..\Windows\bf\..\system32\cbp\aexh\..\..\wbem\l\..\wmic.exe" shadowcopy delete
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1940

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2524

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{3F6B5E16-092A-41ED-930B-0B4125D91D4E}
1⤵
PID:2348

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{3F6B5E16-092A-41ED-930B-0B4125D91D4E}
1⤵
PID:2452

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x4f4
1⤵
PID:1556

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Windows Management Instrumentation

T1047

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

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

C:\Users\Admin\AppData\Roaming\Microsoft\Speech\Files\UserLexicons\SP_04321370BC31414C9EBCFB20C789E7DC.dat

Filesize
940B

MD5
f13f4e3a383bb12b52e273402e84798f

SHA1
fc2f95956fa4519443d8b6640726a8e7932939f0

SHA256
c6c3bc3fa935f72988f1048758333f72586f27460fb9951e5fed8188bee173ad

SHA512
f98ee73b0e62573f67f2f8006b7b7a10d8f00733771bd1f709e08f124726312aae1628496b3731016e5ddd00d46a48090fe711ae72aa2521821b3051675755a0

Download Submit
C:\Users\DECRYPT-FILES.html

Filesize
6KB

MD5
d01c34d28fd1a25c66496f36390d8a88

SHA1
4c394b701b18ab2c18c9538a49b5131ce536638b

SHA256
a8c25844e71980dde83d9ceb07e07982590ad401261570799551ed7647eb055e

SHA512
130bad9b617119c2d5fbb1bd154657cda3d3f006917994b713a5bb6799c3c07c479c3f6ac3b730ce3b7549794e4a0824649c4575e338ed726df3c3e5f3199b87

Download Submit
memory/1984-0-0x00000000002A0000-0x00000000002F9000-memory.dmp

Filesize
356KB

Download
memory/1984-5-0x00000000005B0000-0x000000000060A000-memory.dmp

Filesize
360KB

Download
memory/1984-1-0x00000000005B0000-0x000000000060A000-memory.dmp

Filesize
360KB

Download
memory/1984-9-0x00000000005B0000-0x000000000060A000-memory.dmp

Filesize
360KB

Download
memory/1984-10-0x00000000005B0000-0x000000000060A000-memory.dmp

Filesize
360KB

Download
memory/1984-14-0x00000000005B0000-0x000000000060A000-memory.dmp

Filesize
360KB

Download
memory/1984-1962-0x00000000005B0000-0x000000000060A000-memory.dmp

Filesize
360KB

Download