medusalocker | 26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0

General

Target

26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
Size

669KB
MD5

646698572afbbf24f50ec5681feb2db7
SHA1

70530bc23bad38e6aee66cbb2c2f58a96a18fb79
SHA256

26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0
SHA512

89bad552a3c0d8b28550957872561d03bf239d2708d616f21cbf22e58ae749542b07eee00fedac6fdb83c5969f50ea0f56fc103264a164671a94e156f73f160a
SSDEEP

12288:dQA0FfTcwpBuV2UxqDmuiLZeUaoFi2XZWfGe615HhAZV8D4KD/KeX:Tuf4wTuV2Ux3uIZeUBi2Te6HWdKrKe

Score

10^/10

medusalocker defense_evasion evasion execution impact ransomware spyware stealer trojan

Malware Config

Extracted

Path

\Device\HarddiskVolume1\Boot\how_to_back_files.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; word-break: break-all; } .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;">17214085519A1257A636DA9884B96289284D73D16B6D6C06301D30341DC332FB4F6795D43E95E91E571E7424C6F35FE8CFE92DCF33853F725DA9616009326164<br>0731B94A2767054A7F4DAA653AA6673B770CC064B232F2304F76D1149E34052E7D4556AEEB2B32C4A293FCEBFEEF24D2CC23943549697BB9994C49330B7D<br>04B5C8B03490DDC53413C03B1654C64A480B35A90B4F6387135FD74BA1E7D9F4959136F5895C0A973BC52ABBBDB2F06EAE20F4EFC3132C41ED8406AC7AC6<br>A2DC7D527F3EFD548CA5BC552B494BECD73CB7C0A27C44E3455DAF479E0C8B35AD82FDB72E765F3EA492B004A26A0F7258C603AD59EC137CCC45224F354C<br>DF95B9AEEC01FAC5E67A203DD9CC2228CF7F626DE0132B6D32C99CC2743FD9C90DFC109297BB460593F59F042A58248C812E70D5D52CDD0CBB8CBE2BBCB1<br>CC6C611810643A0124E7A8D592A473E6AF1123D18F3AA99FBC29EDB15C156C99642260A822A9FA6FB3C01784C002A7E222F6EB8EA9819F038A44E7FF061D<br>0E339902F5820C95FFC6A9B49222845300727BF6B8623DFD1EB274F260B34E273EB74798AE3A56351F68EF08FDE9E1AB5DC403C69377F9A6C256D584ECED<br>84428211CD8BDF548717BDA080AC318CEDB4C6460BD42F8CE4C7F35781C1001465A029DB0161ED6E74ACEF5C701F5179A59F49E94CFDA42D937E1358F44A<br>8D3E8AD9CBD986B42B4A9F0BD884</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<br> </a> 4. Start a chat and follow the further instructions. <br> <hr> <b>If you can not use the above link, use the email:</b><br> <a href="[email protected] ">[email protected] </a> <br> <a href="[email protected] ">[email protected] </a> <br> <p>* To contact us, create a new free email account on the site: <a href="https://protonmail.com">protonmail.com <br> <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="[email protected]

">[email protected]

href="[email protected]

">[email protected]

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:

26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe

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
Renames multiple (292) 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

1088 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
1088	svhost.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe

Drops desktop.ini file(s) 1 IoCs

Processes:

26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe

description	ioc	process
File opened for modification	\??\Z:\$RECYCLE.BIN\S-1-5-21-3627615824-4061627003-3019543961-1000\desktop.ini	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.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:

26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe

description	ioc	process
File opened (read-only)	\??\N:	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
File opened (read-only)	\??\O:	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
File opened (read-only)	\??\Q:	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
File opened (read-only)	\??\X:	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
File opened (read-only)	\??\Y:	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
File opened (read-only)	\??\E:	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
File opened (read-only)	\??\M:	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
File opened (read-only)	\??\P:	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
File opened (read-only)	\??\R:	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
File opened (read-only)	\??\S:	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
File opened (read-only)	\??\U:	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
File opened (read-only)	\??\V:	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
File opened (read-only)	\??\W:	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
File opened (read-only)	\??\H:	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
File opened (read-only)	\??\I:	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
File opened (read-only)	\??\T:	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
File opened (read-only)	\??\Z:	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
File opened (read-only)	\??\A:	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
File opened (read-only)	\??\G:	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
File opened (read-only)	\??\J:	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
File opened (read-only)	\??\K:	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
File opened (read-only)	\??\L:	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
File opened (read-only)	\??\F:	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
File opened (read-only)	\??\B:	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.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

2816 vssadmin.exe
2968 vssadmin.exe
2868 vssadmin.exe

pid	process
2816	vssadmin.exe
2968	vssadmin.exe
2868	vssadmin.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe

pid	process
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe

Suspicious use of AdjustPrivilegeToken 63 IoCs

Processes:

vssvc.exewmic.exewmic.exewmic.exe

description	pid	process
Token: SeBackupPrivilege	2072	vssvc.exe
Token: SeRestorePrivilege	2072	vssvc.exe
Token: SeAuditPrivilege	2072	vssvc.exe
Token: SeIncreaseQuotaPrivilege	2608	wmic.exe
Token: SeSecurityPrivilege	2608	wmic.exe
Token: SeTakeOwnershipPrivilege	2608	wmic.exe
Token: SeLoadDriverPrivilege	2608	wmic.exe
Token: SeSystemProfilePrivilege	2608	wmic.exe
Token: SeSystemtimePrivilege	2608	wmic.exe
Token: SeProfSingleProcessPrivilege	2608	wmic.exe
Token: SeIncBasePriorityPrivilege	2608	wmic.exe
Token: SeCreatePagefilePrivilege	2608	wmic.exe
Token: SeBackupPrivilege	2608	wmic.exe
Token: SeRestorePrivilege	2608	wmic.exe
Token: SeShutdownPrivilege	2608	wmic.exe
Token: SeDebugPrivilege	2608	wmic.exe
Token: SeSystemEnvironmentPrivilege	2608	wmic.exe
Token: SeRemoteShutdownPrivilege	2608	wmic.exe
Token: SeUndockPrivilege	2608	wmic.exe
Token: SeManageVolumePrivilege	2608	wmic.exe
Token: 33	2608	wmic.exe
Token: 34	2608	wmic.exe
Token: 35	2608	wmic.exe
Token: SeIncreaseQuotaPrivilege	2464	wmic.exe
Token: SeSecurityPrivilege	2464	wmic.exe
Token: SeTakeOwnershipPrivilege	2464	wmic.exe
Token: SeLoadDriverPrivilege	2464	wmic.exe
Token: SeSystemProfilePrivilege	2464	wmic.exe
Token: SeSystemtimePrivilege	2464	wmic.exe
Token: SeProfSingleProcessPrivilege	2464	wmic.exe
Token: SeIncBasePriorityPrivilege	2464	wmic.exe
Token: SeCreatePagefilePrivilege	2464	wmic.exe
Token: SeBackupPrivilege	2464	wmic.exe
Token: SeRestorePrivilege	2464	wmic.exe
Token: SeShutdownPrivilege	2464	wmic.exe
Token: SeDebugPrivilege	2464	wmic.exe
Token: SeSystemEnvironmentPrivilege	2464	wmic.exe
Token: SeRemoteShutdownPrivilege	2464	wmic.exe
Token: SeUndockPrivilege	2464	wmic.exe
Token: SeManageVolumePrivilege	2464	wmic.exe
Token: 33	2464	wmic.exe
Token: 34	2464	wmic.exe
Token: 35	2464	wmic.exe
Token: SeIncreaseQuotaPrivilege	2624	wmic.exe
Token: SeSecurityPrivilege	2624	wmic.exe
Token: SeTakeOwnershipPrivilege	2624	wmic.exe
Token: SeLoadDriverPrivilege	2624	wmic.exe
Token: SeSystemProfilePrivilege	2624	wmic.exe
Token: SeSystemtimePrivilege	2624	wmic.exe
Token: SeProfSingleProcessPrivilege	2624	wmic.exe
Token: SeIncBasePriorityPrivilege	2624	wmic.exe
Token: SeCreatePagefilePrivilege	2624	wmic.exe
Token: SeBackupPrivilege	2624	wmic.exe
Token: SeRestorePrivilege	2624	wmic.exe
Token: SeShutdownPrivilege	2624	wmic.exe
Token: SeDebugPrivilege	2624	wmic.exe
Token: SeSystemEnvironmentPrivilege	2624	wmic.exe
Token: SeRemoteShutdownPrivilege	2624	wmic.exe
Token: SeUndockPrivilege	2624	wmic.exe
Token: SeManageVolumePrivilege	2624	wmic.exe
Token: 33	2624	wmic.exe
Token: 34	2624	wmic.exe
Token: 35	2624	wmic.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exetaskeng.exe

description	pid	process	target process
PID 1936 wrote to memory of 2968	1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe	vssadmin.exe
PID 1936 wrote to memory of 2968	1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe	vssadmin.exe
PID 1936 wrote to memory of 2968	1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe	vssadmin.exe
PID 1936 wrote to memory of 2968	1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe	vssadmin.exe
PID 1936 wrote to memory of 2608	1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe	wmic.exe
PID 1936 wrote to memory of 2608	1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe	wmic.exe
PID 1936 wrote to memory of 2608	1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe	wmic.exe
PID 1936 wrote to memory of 2608	1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe	wmic.exe
PID 1936 wrote to memory of 2868	1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe	vssadmin.exe
PID 1936 wrote to memory of 2868	1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe	vssadmin.exe
PID 1936 wrote to memory of 2868	1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe	vssadmin.exe
PID 1936 wrote to memory of 2868	1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe	vssadmin.exe
PID 1936 wrote to memory of 2464	1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe	wmic.exe
PID 1936 wrote to memory of 2464	1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe	wmic.exe
PID 1936 wrote to memory of 2464	1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe	wmic.exe
PID 1936 wrote to memory of 2464	1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe	wmic.exe
PID 1936 wrote to memory of 2816	1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe	vssadmin.exe
PID 1936 wrote to memory of 2816	1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe	vssadmin.exe
PID 1936 wrote to memory of 2816	1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe	vssadmin.exe
PID 1936 wrote to memory of 2816	1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe	vssadmin.exe
PID 1936 wrote to memory of 2624	1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe	wmic.exe
PID 1936 wrote to memory of 2624	1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe	wmic.exe
PID 1936 wrote to memory of 2624	1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe	wmic.exe
PID 1936 wrote to memory of 2624	1936	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe	wmic.exe
PID 2880 wrote to memory of 1088	2880	taskeng.exe	svhost.exe
PID 2880 wrote to memory of 1088	2880	taskeng.exe	svhost.exe
PID 2880 wrote to memory of 1088	2880	taskeng.exe	svhost.exe
PID 2880 wrote to memory of 1088	2880	taskeng.exe	svhost.exe

System policy modification 1 TTPs 3 IoCs

evasion

Modify Registry

T1112

Processes:

26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLinkedConnections = "1"	26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.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\26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
"C:\Users\Admin\AppData\Local\Temp\26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.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:1936
- C:\Windows\SysWOW64\vssadmin.exe
  vssadmin.exe Delete Shadows /All /Quiet
  2⤵
  - Interacts with shadow copies
  PID:2968
- C:\Windows\SysWOW64\Wbem\wmic.exe
  wmic.exe SHADOWCOPY /nointeractive
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2608
- C:\Windows\SysWOW64\vssadmin.exe
  vssadmin.exe Delete Shadows /All /Quiet
  2⤵
  - Interacts with shadow copies
  PID:2868
- C:\Windows\SysWOW64\Wbem\wmic.exe
  wmic.exe SHADOWCOPY /nointeractive
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2464
- C:\Windows\SysWOW64\vssadmin.exe
  vssadmin.exe Delete Shadows /All /Quiet
  2⤵
  - Interacts with shadow copies
  PID:2816
- C:\Windows\SysWOW64\Wbem\wmic.exe
  wmic.exe SHADOWCOPY /nointeractive
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2624

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2072

C:\Windows\system32\taskeng.exe
taskeng.exe {848470EA-B5C2-43D2-B20F-7F3C9943EDF3} S-1-5-21-3627615824-4061627003-3019543961-1000:SCFGBRBT\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2880
- C:\Users\Admin\AppData\Roaming\svhost.exe
  C:\Users\Admin\AppData\Roaming\svhost.exe
  2⤵
  - Executes dropped EXE
  PID:1088

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Windows Management Instrumentation

1

T1047

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

Indicator Removal

2

T1070

File Deletion

Modify Registry

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Inhibit System Recovery

2

T1490

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Downloads

C:\Users\Admin\AppData\Roaming\svhost.exe

Filesize
669KB

MD5
646698572afbbf24f50ec5681feb2db7

SHA1
70530bc23bad38e6aee66cbb2c2f58a96a18fb79

SHA256
26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0

SHA512
89bad552a3c0d8b28550957872561d03bf239d2708d616f21cbf22e58ae749542b07eee00fedac6fdb83c5969f50ea0f56fc103264a164671a94e156f73f160a

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C:\Users\Default\NTUSER.DAT.LOG2

Filesize
536B

MD5
e5c846ddf859356542eba298142fcdaa

SHA1
9ca3b86dbbaa137833d31e200cf45537a00e6f5f

SHA256
fb8a7bd56fada709b55260403997795e5d8b73239fddcbf1d685dcaf7516c723

SHA512
275b08ca952a4a27887bbf9ea59f1f96194057286e56389c8542501a93a8850975361749fa021687431b4b74f45f8e60558d761f575ac89d6d6bf88e2037c226

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\Device\HarddiskVolume1\Boot\how_to_back_files.html

Filesize
4KB

MD5
542e5bc61b4a04e6b8410baab40e19d8

SHA1
6c74edc44332a6bb085a4fa248d4fb2422fc97a1

SHA256
0cd20aa8c0311d23afde8ad8b763c9a12fbf39e0e3beb5887dc412f8f330fbaa

SHA512
3c19e71ff8da83592c8520bbd1d4904cb060cf504056291089ec368bad395ab1560aea669ca75f49ea529c999dcf0b19ff8a2106e7a70fb104e18aa6a88b2c72

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads