maze | 7d6c915a240ae9fe189d08bb385108470a01e474048ae1b9e124b011512f2032

Analysis

max time kernel
139s
max time network
154s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25-01-2024 07:18

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General

Target

Device/HarddiskVolume3/Users/User1/Desktop/LetsDefend/SOC104 - Malware Detected/e8a091a84dd2ea7ee429.exe
Size

473KB
MD5

f83fb9ce6a83da58b20685c1d7e1e546
SHA1

01c459b549c1c2a68208d38d4ba5e36d29212a4f
SHA256

e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684
SHA512

934ec9073a28b90e8df785bef49f224789da59f83729208b92dba0503e2894b3f48ed04b20de1ba49374b1cd26f0c87e8e5ab79e817258135e3be2c171f3f396
SSDEEP

12288:v6l/7FpnaeoQbRLBYdunMCayql4YcQD+AgJbAWgjbgpQ:CDna43YAKl4Yci+AggEpQ

Score

10^/10

maze ransomware spyware stealer trojan

Malware Config

Extracted

Path

F:\$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: #000000; 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: 5 px 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%;"> <td style="width: 50%;"> <div style="text-align: center; font-size: 20px;"> <p><b>Maze ransomware</b></p> <p>*********************************************************************************************************************</p> <p>Attention! Your documents, photos, databases, and other important files have been encrypted!</p> <p>*********************************************************************************************************************</p> </div> <div style="text-align: center; font-size: 18px;"> <p><b>What is going on?</b><br>Your files have been encrypted using strong reliable algorithms RSA-2048 and ChaCha20 with an unique private key for your system</p> <p>You can read more about this cryptosystem here: <a href=https://en.wikipedia.org/wiki/RSA_(cryptosystem)>https://en.wikipedia.org/wiki/RSA_(cryptosystem)</a></p> <p>The only way to recover (decrypt) your files is to buy decryptor with the unique private key</p> <p><u>Attention! Only we can recover your files! If someone tell you that he can do this, kindly ask him to proof!</u></p> <p>By us you can decrypt one of your files for free as a proof of work that we have the method to decrypt the rest of your data.</p> <p>In order to either buy the private key or make test decryption contact us via email: <br> <u><b>Main e-mail: [email protected]<br>Reserve e-mail: [email protected]</b></u> <p>Remember to hurry up as email address may not be available for very long as soon as law enforcements of different countries always trying to seize emails used in ransom companies <p>If you are willing to pay but you are not sure knock us and we will save your e-mail address. In case the listed addresses are seized we will write you from the new one</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> <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;"></tr></table></body></html>

Emails

[email protected]<br>Reserve

[email protected]</b></u>

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
T1070.004

Inhibit System Recovery
T1490

Drops startup file 2 IoCs

Processes:

e8a091a84dd2ea7ee429.exe

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\f5xarl.dat	e8a091a84dd2ea7ee429.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DECRYPT-FILES.html	e8a091a84dd2ea7ee429.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:

e8a091a84dd2ea7ee429.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\\\123456789.bmp"	e8a091a84dd2ea7ee429.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

e8a091a84dd2ea7ee429.exe

pid	Process
2028	e8a091a84dd2ea7ee429.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

wmic.exevssvc.exewmic.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2648	wmic.exe
Token: SeSecurityPrivilege	2648	wmic.exe
Token: SeTakeOwnershipPrivilege	2648	wmic.exe
Token: SeLoadDriverPrivilege	2648	wmic.exe
Token: SeSystemProfilePrivilege	2648	wmic.exe
Token: SeSystemtimePrivilege	2648	wmic.exe
Token: SeProfSingleProcessPrivilege	2648	wmic.exe
Token: SeIncBasePriorityPrivilege	2648	wmic.exe
Token: SeCreatePagefilePrivilege	2648	wmic.exe
Token: SeBackupPrivilege	2648	wmic.exe
Token: SeRestorePrivilege	2648	wmic.exe
Token: SeShutdownPrivilege	2648	wmic.exe
Token: SeDebugPrivilege	2648	wmic.exe
Token: SeSystemEnvironmentPrivilege	2648	wmic.exe
Token: SeRemoteShutdownPrivilege	2648	wmic.exe
Token: SeUndockPrivilege	2648	wmic.exe
Token: SeManageVolumePrivilege	2648	wmic.exe
Token: 33	2648	wmic.exe
Token: 34	2648	wmic.exe
Token: 35	2648	wmic.exe
Token: SeIncreaseQuotaPrivilege	2648	wmic.exe
Token: SeSecurityPrivilege	2648	wmic.exe
Token: SeTakeOwnershipPrivilege	2648	wmic.exe
Token: SeLoadDriverPrivilege	2648	wmic.exe
Token: SeSystemProfilePrivilege	2648	wmic.exe
Token: SeSystemtimePrivilege	2648	wmic.exe
Token: SeProfSingleProcessPrivilege	2648	wmic.exe
Token: SeIncBasePriorityPrivilege	2648	wmic.exe
Token: SeCreatePagefilePrivilege	2648	wmic.exe
Token: SeBackupPrivilege	2648	wmic.exe
Token: SeRestorePrivilege	2648	wmic.exe
Token: SeShutdownPrivilege	2648	wmic.exe
Token: SeDebugPrivilege	2648	wmic.exe
Token: SeSystemEnvironmentPrivilege	2648	wmic.exe
Token: SeRemoteShutdownPrivilege	2648	wmic.exe
Token: SeUndockPrivilege	2648	wmic.exe
Token: SeManageVolumePrivilege	2648	wmic.exe
Token: 33	2648	wmic.exe
Token: 34	2648	wmic.exe
Token: 35	2648	wmic.exe
Token: SeBackupPrivilege	2540	vssvc.exe
Token: SeRestorePrivilege	2540	vssvc.exe
Token: SeAuditPrivilege	2540	vssvc.exe
Token: SeIncreaseQuotaPrivilege	112	wmic.exe
Token: SeSecurityPrivilege	112	wmic.exe
Token: SeTakeOwnershipPrivilege	112	wmic.exe
Token: SeLoadDriverPrivilege	112	wmic.exe
Token: SeSystemProfilePrivilege	112	wmic.exe
Token: SeSystemtimePrivilege	112	wmic.exe
Token: SeProfSingleProcessPrivilege	112	wmic.exe
Token: SeIncBasePriorityPrivilege	112	wmic.exe
Token: SeCreatePagefilePrivilege	112	wmic.exe
Token: SeBackupPrivilege	112	wmic.exe
Token: SeRestorePrivilege	112	wmic.exe
Token: SeShutdownPrivilege	112	wmic.exe
Token: SeDebugPrivilege	112	wmic.exe
Token: SeSystemEnvironmentPrivilege	112	wmic.exe
Token: SeRemoteShutdownPrivilege	112	wmic.exe
Token: SeUndockPrivilege	112	wmic.exe
Token: SeManageVolumePrivilege	112	wmic.exe
Token: 33	112	wmic.exe
Token: 34	112	wmic.exe
Token: 35	112	wmic.exe
Token: SeIncreaseQuotaPrivilege	112	wmic.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

e8a091a84dd2ea7ee429.exe

description	pid	Process	procid_target
PID 2028 wrote to memory of 2648	2028	e8a091a84dd2ea7ee429.exe	28
PID 2028 wrote to memory of 2648	2028	e8a091a84dd2ea7ee429.exe	28
PID 2028 wrote to memory of 2648	2028	e8a091a84dd2ea7ee429.exe	28
PID 2028 wrote to memory of 2648	2028	e8a091a84dd2ea7ee429.exe	28
PID 2028 wrote to memory of 112	2028	e8a091a84dd2ea7ee429.exe	36
PID 2028 wrote to memory of 112	2028	e8a091a84dd2ea7ee429.exe	36
PID 2028 wrote to memory of 112	2028	e8a091a84dd2ea7ee429.exe	36
PID 2028 wrote to memory of 112	2028	e8a091a84dd2ea7ee429.exe	36

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\Device\HarddiskVolume3\Users\User1\Desktop\LetsDefend\SOC104 - Malware Detected\e8a091a84dd2ea7ee429.exe
"C:\Users\Admin\AppData\Local\Temp\Device\HarddiskVolume3\Users\User1\Desktop\LetsDefend\SOC104 - Malware Detected\e8a091a84dd2ea7ee429.exe"
1⤵
- Drops startup file
- Sets desktop wallpaper using registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2028
- C:\Windows\system32\wbem\wmic.exe
  "C:\sgaqr\..\Windows\q\xo\..\..\system32\he\msmyt\..\..\wbem\nnwi\n\mk\..\..\..\wmic.exe" shadowcopy delete
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2648
- C:\Windows\system32\wbem\wmic.exe
  "C:\yvs\..\Windows\xi\..\system32\bhei\jdrd\..\..\wbem\nnr\w\ttkke\..\..\..\wmic.exe" shadowcopy delete
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:112

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2540

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{3F6B5E16-092A-41ED-930B-0B4125D91D4E}
1⤵
PID:568

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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_03AA5FA515384E32A090395B5F26959A.dat

Filesize
940B

MD5
74354b3f7c4821943b57e1e0856dae69

SHA1
c42f34f42811ca4c399abf17a8b6df5240475e8b

SHA256
6ac90b35b89d5281229b425c80c1ea3af18caf351f2f9d0d18ce6230290f7078

SHA512
544015313d4629786caddd490b1a9f00f07298c1f79b712331daaef608671a1b24369b54f5e4750d5d9af480779fb2a7cd1998865e552792e2d19d96fc13a654

Download Submit
F:\$RECYCLE.BIN\DECRYPT-FILES.html

Filesize
6KB

MD5
2e0a44f3a9f10a5d5d708db968e1496a

SHA1
6c4da7306efd223dc6798a5f6ba5644a100f7945

SHA256
134eba2ab18bdd5db2f938cbe98e1b4c66c2ed5f913818f4b132e02665dd53ce

SHA512
02d02c8f277301c5575dfa5b9ccf2734704fdce7ce887f841cb575e335bed2cade9f168cf144e4539596fdd0916f9273474a8de935dc3301e862332a0880656e

Download Submit
memory/2028-0-0x0000000000260000-0x00000000002B9000-memory.dmp

Filesize
356KB

Download
memory/2028-1-0x00000000002C0000-0x000000000031B000-memory.dmp

Filesize
364KB

Download
memory/2028-6-0x00000000002C0000-0x000000000031B000-memory.dmp

Filesize
364KB

Download
memory/2028-10-0x00000000002C0000-0x000000000031B000-memory.dmp

Filesize
364KB

Download
memory/2028-14-0x00000000002C0000-0x000000000031B000-memory.dmp

Filesize
364KB

Download
memory/2028-1733-0x00000000002C0000-0x000000000031B000-memory.dmp

Filesize
364KB

Download