medusalocker | 212e7f5ed4a581b4d778dfef226738c6db56b4b4006526259392d03062587887

General

Target

d39cbfca5b4af90e9557d6349d2a68da.exe
Size

669KB
MD5

d39cbfca5b4af90e9557d6349d2a68da
SHA1

9322449f3647b82c920e30bbf95f8ce25f875c7a
SHA256

212e7f5ed4a581b4d778dfef226738c6db56b4b4006526259392d03062587887
SHA512

0aea822b94e81d1849d1e9713e019784a474885bfbfa6e88c066098cf2cf145706c33a5fcd00a616530a3414492747bdf68ea953433dfa7780bf0edf6b3f9ee7
SSDEEP

12288:dQA0FfTcwpBuV2UxqDmuiLZeUaoFi2XZWfGe615HhAZV8DrKD/KeX:Tuf4wTuV2Ux3uIZeUBi2Te6HWGKrKe

Score

10^/10

medusalocker evasion ransomware spyware stealer trojan

Malware Config

Extracted

Path

C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\HOW_TO_RECOVER_DATA.html

Ransom Note

<html> <style type="text/css"> body { background-color: #f5f5f5; } h1, h3{ text-align: center; text-transform: uppercase; font-weight: normal; } /*---*/ .tabs1{ display: block; margin: auto; } .tabs1 .head{ text-align: center; float: top; padding: 0px; text-transform: uppercase; font-weight: normal; display: block; background: #81bef7; color: #DF0101; font-size: 30px; } .tabs1 .identi { font-size: 10px; text-align: center; float: top; padding: 15px; display: block; background: #81bef7; color: #DFDFDF; } .tabs .content { background: #f5f5f5; /*text-align: center;*/ color: #000000; padding: 25px 15px; font-size: 15px; font-weight: 400; line-height: 20px; } .tabs .content a { color: #df0130; font-size: 23px; font-style: italic; text-decoration: none; line-height: 35px; } .tabs .content .text{ padding: 25px; line-height: 1.2; } </style> <body> <div class="tabs1"> <div class="head" ><b>Your personal ID:</b></div> <div class="identi"> <span style="width:1000px; color: #ffffff; font-size: 10px;">E50BE3FC73F605C711BEB1F1DCC15607FFC3F1506B9565DF006090D2407359BFEA5E34BF4F872CF872CFCD411FB55B0D7ED6FEA4C278DDDB64B148BCAA46A7C9<br>32128DA5B35BB99349DB6160EAA7CC80D2A441CACFED71C3D93955D0714E0D34606813770FC499EA3D6C9A6CC566CA74BF4D6E3C504AB635D2E6B1B1DA4C<br>CA1D69A766CCA01CEA73C0A4FBA6CBC10042E750577CB67C7F90D09D18D56794DEA550C2D9D905086EBDA807E289241AEEA3BED81D4044919D03277EE340<br>EBAB3D3B5A9EB552960B23D152C202A482D5F154BAE60DA1A1CAE5714B4D5EBF83022BA0BE2C1C76EDA0445F2CFEA2BBB59DF1C7143BC6A9C260B7D06446<br>4825F6E63459814587911F2FB4A144992F459DE4FA9327C4C5BF157DDBC488FC744AC74AF514BC5F864BF24ED7A3C4A9ACDCBFA3B31ABA93FC40F11827AC<br>9BB538867E8C722EEC27CB31C251CA0CE6B5B44CED609C0E9A0241755A1B2ABDCAB83003BF1ACC5B770927CDA9C232E13BAE3EA834B6B34E7CAF11C7F8D3<br>DEAE6C2EF7999CD4D3F62D10EF11B71DEEDC04EEF770339B96405978E12B92324C5A9239C2DA241D3054B6FC2593646031739DD4DF305AA1FFDCBF1A9A1C<br>4D9B9A48B14A7320A1004B1E1B7CA5D436E585B1002C551BD8D82BB846C102E4BA4A3FAAD0806AC4EF7A45B7D009220807060205D7B322137151C61943C2<br>AD3DB8B45F4C83E89C147CD9966A</span> <br>  </div> </div>  <div class="tabs">  <div class="tab"> <div id="tab-content1" class="content"> <div class="text">  <b>/!\ YOUR COMPANY NETWORK HAS BEEN PENETRATED /!\</b><br> <b>All your important files have been encrypted!</b><br><br> <hr> Your files are safe! Only modified. (RSA+AES)<br><br> ANY ATTEMPT TO RESTORE YOUR FILES WITH THIRD-PARTY SOFTWARE<br> WILL PERMANENTLY CORRUPT IT.<br> DO NOT MODIFY ENCRYPTED FILES.<br> DO NOT RENAME ENCRYPTED FILES.<br><br> No software available on internet can help you. We are the only ones able to<br> solve your problem.<br><br> We gathered highly confidential/personal data. These data are currently stored on<br> a private server. This server will be immediately destroyed after your payment.<br> If you decide to not pay, we will release your data to public or re-seller.<br> So you can expect your data to be publicly available in the near future..<br><br> We only seek money and our goal is not to damage your reputation or prevent<br> your business from running.<br><br> You will can send us 2-3 non-important files and we will decrypt it for free<br> to prove we are able to give your files back.<br><br>  <hr> <b>Contact us for price and get decryption software.</b><br><br> <a>qd7pcafncosqfqu3ha6fcx4h6sr7tzwagzpcdcnytiw3b6varaeqv5yd.onion</a><br> * Note that this server is available via Tor browser only<br><br> Follow the instructions to open the link:<br> 1. Type the addres "https://www.torproject.org" in your Internet browser. It opens the Tor site.<br> 2. Press "Download Tor", then press "Download Tor Browser Bundle", install and run it.<br> 3. Now you have Tor browser. In the Tor Browser open <a>qd7pcafncosqfqu3ha6fcx4h6sr7tzwagzpcdcnytiw3b6varaeqv5yd.onion</a><br> 4. Start a chat and follow the further instructions. <br><br> <hr> <b>If you can not use the above link, use the email:</b><br> <a href="mailto:ithelp@decorous.cyou ">ithelp@decorous.cyou m </a> <br><a href="mailto:ithelp@wholeness.business">ithelp@wholeness.business</a> <br> <b>* To contact us, create a new free email account on the site:</b> <a href="https://protonmail.com">protonmail.com<br> <hr> <b> IF YOU DON'T CONTACT US WITHIN 72 HOURS, PRICE WILL BE HIGHER.</b><br> </div> </div> </div>   </div> </div>  </div> </div> </body> </html>

Emails

href="mailto:ithelp@decorous.cyou

">ithelp@decorous.cyou

href="mailto:ithelp@wholeness.business">ithelp@wholeness.business</a>

Signatures

MedusaLocker
Ransomware with several variants first seen in September 2019.
ransomware medusalocker

MedusaLocker payload 1 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\svhost.exe	family_medusalocker

UAC bypass 3 TTPs 2 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

d39cbfca5b4af90e9557d6349d2a68da.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	d39cbfca5b4af90e9557d6349d2a68da.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	d39cbfca5b4af90e9557d6349d2a68da.exe

Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware

File Deletion
T1070.004

Inhibit System Recovery
T1490
Renames multiple (213) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware
Executes dropped EXE 1 IoCs

Processes:

svhost.exe

pid process

1836 svhost.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

pid	process
1836	svhost.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

d39cbfca5b4af90e9557d6349d2a68da.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	d39cbfca5b4af90e9557d6349d2a68da.exe

Drops desktop.ini file(s) 1 IoCs

Processes:

d39cbfca5b4af90e9557d6349d2a68da.exe

description	ioc	process
File opened for modification	\??\Z:\$RECYCLE.BIN\S-1-5-21-3627615824-4061627003-3019543961-1000\desktop.ini	d39cbfca5b4af90e9557d6349d2a68da.exe

Enumerates connected drives 3 TTPs 24 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

d39cbfca5b4af90e9557d6349d2a68da.exe

description	ioc	process
File opened (read-only)	\??\Z:	d39cbfca5b4af90e9557d6349d2a68da.exe
File opened (read-only)	\??\U:	d39cbfca5b4af90e9557d6349d2a68da.exe
File opened (read-only)	\??\Y:	d39cbfca5b4af90e9557d6349d2a68da.exe
File opened (read-only)	\??\T:	d39cbfca5b4af90e9557d6349d2a68da.exe
File opened (read-only)	\??\X:	d39cbfca5b4af90e9557d6349d2a68da.exe
File opened (read-only)	\??\A:	d39cbfca5b4af90e9557d6349d2a68da.exe
File opened (read-only)	\??\S:	d39cbfca5b4af90e9557d6349d2a68da.exe
File opened (read-only)	\??\I:	d39cbfca5b4af90e9557d6349d2a68da.exe
File opened (read-only)	\??\J:	d39cbfca5b4af90e9557d6349d2a68da.exe
File opened (read-only)	\??\L:	d39cbfca5b4af90e9557d6349d2a68da.exe
File opened (read-only)	\??\M:	d39cbfca5b4af90e9557d6349d2a68da.exe
File opened (read-only)	\??\P:	d39cbfca5b4af90e9557d6349d2a68da.exe
File opened (read-only)	\??\Q:	d39cbfca5b4af90e9557d6349d2a68da.exe
File opened (read-only)	\??\B:	d39cbfca5b4af90e9557d6349d2a68da.exe
File opened (read-only)	\??\H:	d39cbfca5b4af90e9557d6349d2a68da.exe
File opened (read-only)	\??\V:	d39cbfca5b4af90e9557d6349d2a68da.exe
File opened (read-only)	\??\F:	d39cbfca5b4af90e9557d6349d2a68da.exe
File opened (read-only)	\??\K:	d39cbfca5b4af90e9557d6349d2a68da.exe
File opened (read-only)	\??\N:	d39cbfca5b4af90e9557d6349d2a68da.exe
File opened (read-only)	\??\O:	d39cbfca5b4af90e9557d6349d2a68da.exe
File opened (read-only)	\??\R:	d39cbfca5b4af90e9557d6349d2a68da.exe
File opened (read-only)	\??\W:	d39cbfca5b4af90e9557d6349d2a68da.exe
File opened (read-only)	\??\E:	d39cbfca5b4af90e9557d6349d2a68da.exe
File opened (read-only)	\??\G:	d39cbfca5b4af90e9557d6349d2a68da.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Interacts with shadow copies 2 TTPs 3 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
ransomware

File Deletion
T1070.004

Inhibit System Recovery
T1490

Processes:

vssadmin.exevssadmin.exevssadmin.exe

pid process

3000 vssadmin.exe
2668 vssadmin.exe
2496 vssadmin.exe

pid	process
3000	vssadmin.exe
2668	vssadmin.exe
2496	vssadmin.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

d39cbfca5b4af90e9557d6349d2a68da.exe

pid	process
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe
3044	d39cbfca5b4af90e9557d6349d2a68da.exe

Suspicious use of AdjustPrivilegeToken 63 IoCs

Processes:

vssvc.exewmic.exewmic.exewmic.exe

description	pid	process
Token: SeBackupPrivilege	1940	vssvc.exe
Token: SeRestorePrivilege	1940	vssvc.exe
Token: SeAuditPrivilege	1940	vssvc.exe
Token: SeIncreaseQuotaPrivilege	2552	wmic.exe
Token: SeSecurityPrivilege	2552	wmic.exe
Token: SeTakeOwnershipPrivilege	2552	wmic.exe
Token: SeLoadDriverPrivilege	2552	wmic.exe
Token: SeSystemProfilePrivilege	2552	wmic.exe
Token: SeSystemtimePrivilege	2552	wmic.exe
Token: SeProfSingleProcessPrivilege	2552	wmic.exe
Token: SeIncBasePriorityPrivilege	2552	wmic.exe
Token: SeCreatePagefilePrivilege	2552	wmic.exe
Token: SeBackupPrivilege	2552	wmic.exe
Token: SeRestorePrivilege	2552	wmic.exe
Token: SeShutdownPrivilege	2552	wmic.exe
Token: SeDebugPrivilege	2552	wmic.exe
Token: SeSystemEnvironmentPrivilege	2552	wmic.exe
Token: SeRemoteShutdownPrivilege	2552	wmic.exe
Token: SeUndockPrivilege	2552	wmic.exe
Token: SeManageVolumePrivilege	2552	wmic.exe
Token: 33	2552	wmic.exe
Token: 34	2552	wmic.exe
Token: 35	2552	wmic.exe
Token: SeIncreaseQuotaPrivilege	2868	wmic.exe
Token: SeSecurityPrivilege	2868	wmic.exe
Token: SeTakeOwnershipPrivilege	2868	wmic.exe
Token: SeLoadDriverPrivilege	2868	wmic.exe
Token: SeSystemProfilePrivilege	2868	wmic.exe
Token: SeSystemtimePrivilege	2868	wmic.exe
Token: SeProfSingleProcessPrivilege	2868	wmic.exe
Token: SeIncBasePriorityPrivilege	2868	wmic.exe
Token: SeCreatePagefilePrivilege	2868	wmic.exe
Token: SeBackupPrivilege	2868	wmic.exe
Token: SeRestorePrivilege	2868	wmic.exe
Token: SeShutdownPrivilege	2868	wmic.exe
Token: SeDebugPrivilege	2868	wmic.exe
Token: SeSystemEnvironmentPrivilege	2868	wmic.exe
Token: SeRemoteShutdownPrivilege	2868	wmic.exe
Token: SeUndockPrivilege	2868	wmic.exe
Token: SeManageVolumePrivilege	2868	wmic.exe
Token: 33	2868	wmic.exe
Token: 34	2868	wmic.exe
Token: 35	2868	wmic.exe
Token: SeIncreaseQuotaPrivilege	2484	wmic.exe
Token: SeSecurityPrivilege	2484	wmic.exe
Token: SeTakeOwnershipPrivilege	2484	wmic.exe
Token: SeLoadDriverPrivilege	2484	wmic.exe
Token: SeSystemProfilePrivilege	2484	wmic.exe
Token: SeSystemtimePrivilege	2484	wmic.exe
Token: SeProfSingleProcessPrivilege	2484	wmic.exe
Token: SeIncBasePriorityPrivilege	2484	wmic.exe
Token: SeCreatePagefilePrivilege	2484	wmic.exe
Token: SeBackupPrivilege	2484	wmic.exe
Token: SeRestorePrivilege	2484	wmic.exe
Token: SeShutdownPrivilege	2484	wmic.exe
Token: SeDebugPrivilege	2484	wmic.exe
Token: SeSystemEnvironmentPrivilege	2484	wmic.exe
Token: SeRemoteShutdownPrivilege	2484	wmic.exe
Token: SeUndockPrivilege	2484	wmic.exe
Token: SeManageVolumePrivilege	2484	wmic.exe
Token: 33	2484	wmic.exe
Token: 34	2484	wmic.exe
Token: 35	2484	wmic.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

d39cbfca5b4af90e9557d6349d2a68da.exetaskeng.exe

description	pid	process	target process
PID 3044 wrote to memory of 3000	3044	d39cbfca5b4af90e9557d6349d2a68da.exe	vssadmin.exe
PID 3044 wrote to memory of 3000	3044	d39cbfca5b4af90e9557d6349d2a68da.exe	vssadmin.exe
PID 3044 wrote to memory of 3000	3044	d39cbfca5b4af90e9557d6349d2a68da.exe	vssadmin.exe
PID 3044 wrote to memory of 3000	3044	d39cbfca5b4af90e9557d6349d2a68da.exe	vssadmin.exe
PID 3044 wrote to memory of 2552	3044	d39cbfca5b4af90e9557d6349d2a68da.exe	wmic.exe
PID 3044 wrote to memory of 2552	3044	d39cbfca5b4af90e9557d6349d2a68da.exe	wmic.exe
PID 3044 wrote to memory of 2552	3044	d39cbfca5b4af90e9557d6349d2a68da.exe	wmic.exe
PID 3044 wrote to memory of 2552	3044	d39cbfca5b4af90e9557d6349d2a68da.exe	wmic.exe
PID 3044 wrote to memory of 2668	3044	d39cbfca5b4af90e9557d6349d2a68da.exe	vssadmin.exe
PID 3044 wrote to memory of 2668	3044	d39cbfca5b4af90e9557d6349d2a68da.exe	vssadmin.exe
PID 3044 wrote to memory of 2668	3044	d39cbfca5b4af90e9557d6349d2a68da.exe	vssadmin.exe
PID 3044 wrote to memory of 2668	3044	d39cbfca5b4af90e9557d6349d2a68da.exe	vssadmin.exe
PID 3044 wrote to memory of 2868	3044	d39cbfca5b4af90e9557d6349d2a68da.exe	wmic.exe
PID 3044 wrote to memory of 2868	3044	d39cbfca5b4af90e9557d6349d2a68da.exe	wmic.exe
PID 3044 wrote to memory of 2868	3044	d39cbfca5b4af90e9557d6349d2a68da.exe	wmic.exe
PID 3044 wrote to memory of 2868	3044	d39cbfca5b4af90e9557d6349d2a68da.exe	wmic.exe
PID 3044 wrote to memory of 2496	3044	d39cbfca5b4af90e9557d6349d2a68da.exe	vssadmin.exe
PID 3044 wrote to memory of 2496	3044	d39cbfca5b4af90e9557d6349d2a68da.exe	vssadmin.exe
PID 3044 wrote to memory of 2496	3044	d39cbfca5b4af90e9557d6349d2a68da.exe	vssadmin.exe
PID 3044 wrote to memory of 2496	3044	d39cbfca5b4af90e9557d6349d2a68da.exe	vssadmin.exe
PID 3044 wrote to memory of 2484	3044	d39cbfca5b4af90e9557d6349d2a68da.exe	wmic.exe
PID 3044 wrote to memory of 2484	3044	d39cbfca5b4af90e9557d6349d2a68da.exe	wmic.exe
PID 3044 wrote to memory of 2484	3044	d39cbfca5b4af90e9557d6349d2a68da.exe	wmic.exe
PID 3044 wrote to memory of 2484	3044	d39cbfca5b4af90e9557d6349d2a68da.exe	wmic.exe
PID 2524 wrote to memory of 1836	2524	taskeng.exe	svhost.exe
PID 2524 wrote to memory of 1836	2524	taskeng.exe	svhost.exe
PID 2524 wrote to memory of 1836	2524	taskeng.exe	svhost.exe
PID 2524 wrote to memory of 1836	2524	taskeng.exe	svhost.exe

System policy modification 1 TTPs 3 IoCs

evasion

Modify Registry

T1112

Processes:

d39cbfca5b4af90e9557d6349d2a68da.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLinkedConnections = "1"	d39cbfca5b4af90e9557d6349d2a68da.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	d39cbfca5b4af90e9557d6349d2a68da.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	d39cbfca5b4af90e9557d6349d2a68da.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\d39cbfca5b4af90e9557d6349d2a68da.exe
"C:\Users\Admin\AppData\Local\Temp\d39cbfca5b4af90e9557d6349d2a68da.exe"
1⤵
- UAC bypass
- Checks whether UAC is enabled
- Drops desktop.ini file(s)
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- System policy modification
PID:3044

C:\Windows\SysWOW64\vssadmin.exe
vssadmin.exe Delete Shadows /All /Quiet
2⤵
- Interacts with shadow copies
PID:3000

C:\Windows\SysWOW64\Wbem\wmic.exe
wmic.exe SHADOWCOPY /nointeractive
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:2552

C:\Windows\SysWOW64\vssadmin.exe
vssadmin.exe Delete Shadows /All /Quiet
2⤵
- Interacts with shadow copies
PID:2668

C:\Windows\SysWOW64\Wbem\wmic.exe
wmic.exe SHADOWCOPY /nointeractive
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:2868

C:\Windows\SysWOW64\vssadmin.exe
vssadmin.exe Delete Shadows /All /Quiet
2⤵
- Interacts with shadow copies
PID:2496

C:\Windows\SysWOW64\Wbem\wmic.exe
wmic.exe SHADOWCOPY /nointeractive
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:2484

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1940

C:\Windows\system32\taskeng.exe
taskeng.exe {179CCC37-5B2D-4B68-B118-0D0891BC1F50} S-1-5-21-3627615824-4061627003-3019543961-1000:SCFGBRBT\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2524

C:\Users\Admin\AppData\Roaming\svhost.exe
C:\Users\Admin\AppData\Roaming\svhost.exe
2⤵
- Executes dropped EXE
PID:1836

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Defense Evasion

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Impair Defenses

1

T1562

Disable or Modify Tools

1

T1562.001

Modify Registry

2

T1112

Indicator Removal

2

T1070

File Deletion

2

T1070.004

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Information Discovery

3

T1082

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Inhibit System Recovery

2

T1490

Resource Development

Reconnaissance

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Downloads

C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\HOW_TO_RECOVER_DATA.html
Filesize
4KB

MD5
d1341cd1b8f8ec9196bb2d2c9d4ba113

SHA1
aaef4ec7e7b649a9d40799114362839dc887bd3c

SHA256
413af1a6042f99c8a9b7a65d6c95b290a5de8b177a675eadd73b9986866aaa99

SHA512
7840c0e5d354bf990dbc3077569d4d12e112fddf31a5c52e5372303a6c106c8e1fa39287e4fe08fa8d7873070329ce63d7423afeac0b552a4ced7721ae6d155e

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C:\Users\Admin\AppData\Roaming\svhost.exe
Filesize
669KB

MD5
d39cbfca5b4af90e9557d6349d2a68da

SHA1
9322449f3647b82c920e30bbf95f8ce25f875c7a

SHA256
212e7f5ed4a581b4d778dfef226738c6db56b4b4006526259392d03062587887

SHA512
0aea822b94e81d1849d1e9713e019784a474885bfbfa6e88c066098cf2cf145706c33a5fcd00a616530a3414492747bdf68ea953433dfa7780bf0edf6b3f9ee7

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C:\Users\Default\NTUSER.DAT.LOG2
Filesize
536B

MD5
b4cc0af3f40fc56e1fb1cbeb9390df35

SHA1
27f5505831ed9008d465a8682dbfdb2a9ca216c2

SHA256
f9491e7dbdabb9bf2a1c5c9e18ba78df07b9f7cd36263c02e0018924d1a4e03f

SHA512
b1e53c8b7b6e6c5f872384396bf84b27f6b5c931daac505657f3a0f8950d1d6d34292bf4cef1ccb4948bb76e229f9394b7bdc11fa73629bce6daa1556364fa11

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads