medusalocker | 05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873

General

Target

05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
Size

666KB
MD5

4660887b36d65e42b7d71d5e18187dfe
SHA1

49ad1eecb9bbb8d736833006685b8c2c1300115b
SHA256

05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873
SHA512

d0983ec2cb04d7b7fe0f1749ca903c34bb9b55a6a57f18d93feefbe7a358c6faddc42cc964e79315a250c940b22c067f2bcecd5d41aa334fe9b992ac632df6f8
SSDEEP

12288:ZYW1LNT35lDbK/LIVaN8+T7vwqyqhYMhWt918vulADC9+m:dd35lDbKDIwWUDyqS5omGC9+

Score

10^/10

medusalocker evasion ransomware spyware stealer trojan

Malware Config

Extracted

Path

\Device\HarddiskVolume1\Boot\!-Recovery_Instructions-!.html

Ransom Note

<!DOCTYPE html> <html lang="en"> <head> <meta charset='utf-8'> <meta name='viewport' content='width=device-width,initial-scale=1'> <title></title> <style> html, body { background-color: #1a1a1a; } body { padding-top: 1rem !important; font-size: 1.3rem; color: white; } #text h2 { font-size: 2rem; font-weight: 600; line-height: 1.125; } .container { max-width: 1152px; flex-grow: 1; margin: 0 auto; position: relative; width: auto; } .box { background-color: #242424; display: block; padding: 1.25rem; border: 1px solid #303030; } a { color: #00b4d8; text-decoration: none; } a:hover { text-decoration: underline; } li { margin-bottom: 10px; } </style> </head> <body> <div class='container'> <div class='box'> <div id='text'> <h2>If you get this message, your network was hacked!</h2> <p>After we gained full access to your servers, we first downloaded a large amount of sensitive data and then encrypted all the data stored on them.</p> <p>That includes personal information on your clients, partners, your personnel, accounting documents, and other crucial files that are necessary for your company to work normally.</p> <p>We used modern complicated algorithms, so you or any recovery service will not be able to decrypt files without our help, wasting time on these attempts instead of negotiations can be fatal for your company.</p> <p>Make sure to act within <span style='color:#f4a261;'>72</span> hours or the negotiations will be considered failed!</p> <p>Inform your superior management about what's going on.</p> <p> Contact us for pricing and decryption software.</p> <p> Contact us by email:<p> <h2>[email protected]</h2> </p>If you do not receive a response within 24 hours, please contact us at our additional contacts:</p> <p> 1) Download for TOX CHAT https://tox.chat/download.html</p> <p> 2) Open chat<p> <p>Add ID Chat: </p><h2>3C9D49B928FDC3C15F0314217623A71B865909B308576B4B0D10AEA62C98677B4A3F160D5C93</h2> <p>If we did not answer you, leave the chat enabled, the operator will contact you!<p> </p>To verify the possibility of the recovery of your files we can decrypted 1-3 file for free.</p> </p>Attach file to the letter (no more than 5Mb).</p> <h2>If you and us succeed the negotiations we will grant you:</h2> <ul> <li>complete confidentiality, we will keep in secret any information regarding to attack, your company will act as if nothing had happened.</li> <li>comprehensive information about vulnerabilities of your network and security report.</li> <li>software and instructions to decrypt all the data that was encrypted.</li> <li>all sensitive downloaded data will be permanently deleted from our cloud storage and we will provide an erasure log.</li> </ul> <h2>Our options if you act like nothing's happening, refuse to make a deal or fail the negotiations:</h2> <ul> <li>inform the media and independent journalists about what happened to your servers. To prove it we'll publish a chunk of private data that you should have ciphered if you care about potential breaches. Moreover, your company will inevitably take decent reputational loss which is hard to assess precisely.</li> <li>inform your clients, employees, partners by phone, e-mail, sms and social networks that you haven't prevent their data leakage. You will violate laws about private data protection.</li> <li>start DDOS attack on you website and infrastructures.</li> <li>personal data stored will be put on sale on the Darknet to find anyone interested to buy useful information regarding your company. It could be data mining agencies or your market competitors.</li> <li>publish all the discovered vulnerabilities found in your network, so anyone will do anything with it.</li> </ul> <h2>Why pay us?</h2> <p>We care about our reputation. You are welcome to google our cases up and be sure that we don't have a single case of failure to provide what we promissed.</p> <p>Turning this issue to a bug bounty will save your private information, reputation and will allow you to use the security report and avoid this kind of situations in future.</p> <h2>Your personal ID</p> Your ID: 7B462FAEEC374B269671573B707B17CF854227A5467F5EC6114D8AD066AB1DA5C27B37A8C7A5E60D6712E0571090C137073B39A5C6B69DEF74719218AB7955F5<br>CEC86A0C6BC1CEAF15FF8472D7688D85E1730EA1158527741AAEDF774794D6C9985DE6F3F8F9EECCF3FB8C5DA2DEF3096B26DA6B328C5F6142DFC05B0657<br>6CE5AB6360A8A1A9E0D3D5971937CEBAB146A8B4F944E6AB0D41427A2CC761BF615B80392CCCC93B67B036485244BA37962EF964176B2E7A0E9F4840F22A<br>EB31AD4729521E4D7C0FC820233872C5AD4231708A17EE906D86DAE0810AAEE8643291601FBCE4E27A7AB363D27FA9823ACDF8A22D3CBBF1B670AA4485E6<br>B1B97AA20F48CB0D8B7C2C31CBC9F4163F090D8CC61E487DF0D4329ECC9BC9457FD160F23BCA5BBB27A47A1C156F45552D9ED42F9C33432CA6276B53D0C1<br>947F6F0EFAF7445D7A6CAB52B31F598755AFCE3009A4EDDCD8DA11078F495548A7888114FA2FC4AC8FC6615A2637AA5F4633C02EC20D3326B3AFF8331215<br>641FB274318BA2EC4FEB3C2AEF0638A298328D3F5920CDC07DBC0C92B07A0427B4A447426484B5880C485DB35B3366ED1C4690A8747885A5E1B6EC2C2245<br>900BDBAF9DCC5B7DEDE7859CF7CA0592D96C73A13FF2B52C11772FE0E6AFCE9FFAFFE1D4CB5C7F96056F7E5229CA4B4390F9AE337F325FBE2DE3C3A9C3E2<br>C35DF828D73E46A9FEEBBC053D38

Emails

<h2>[email protected]</h2>

URLs

https://tox.chat/download.html</p>

Signatures

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

MedusaLocker payload 2 IoCs

Processes:

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

05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.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 (300) 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

1628 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
1628	svhost.exe

Drops desktop.ini file(s) 1 IoCs

Processes:

05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe

description	ioc	process
File opened for modification	\??\Z:\$RECYCLE.BIN\S-1-5-21-4219371764-2579186923-3390623117-1000\desktop.ini	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.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:

05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe

description	ioc	process
File opened (read-only)	\??\N:	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
File opened (read-only)	\??\R:	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
File opened (read-only)	\??\S:	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
File opened (read-only)	\??\W:	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
File opened (read-only)	\??\X:	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
File opened (read-only)	\??\Y:	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
File opened (read-only)	\??\B:	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
File opened (read-only)	\??\Q:	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
File opened (read-only)	\??\U:	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
File opened (read-only)	\??\V:	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
File opened (read-only)	\??\F:	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
File opened (read-only)	\??\E:	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
File opened (read-only)	\??\J:	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
File opened (read-only)	\??\K:	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
File opened (read-only)	\??\M:	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
File opened (read-only)	\??\O:	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
File opened (read-only)	\??\P:	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
File opened (read-only)	\??\T:	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
File opened (read-only)	\??\Z:	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
File opened (read-only)	\??\A:	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
File opened (read-only)	\??\G:	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
File opened (read-only)	\??\H:	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
File opened (read-only)	\??\I:	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
File opened (read-only)	\??\L:	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.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

2592 vssadmin.exe
2612 vssadmin.exe
2296 vssadmin.exe

pid	process
2592	vssadmin.exe
2612	vssadmin.exe
2296	vssadmin.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe

pid	process
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe

Suspicious use of AdjustPrivilegeToken 63 IoCs

Processes:

vssvc.exewmic.exewmic.exewmic.exe

description	pid	process
Token: SeBackupPrivilege	3052	vssvc.exe
Token: SeRestorePrivilege	3052	vssvc.exe
Token: SeAuditPrivilege	3052	vssvc.exe
Token: SeIncreaseQuotaPrivilege	2904	wmic.exe
Token: SeSecurityPrivilege	2904	wmic.exe
Token: SeTakeOwnershipPrivilege	2904	wmic.exe
Token: SeLoadDriverPrivilege	2904	wmic.exe
Token: SeSystemProfilePrivilege	2904	wmic.exe
Token: SeSystemtimePrivilege	2904	wmic.exe
Token: SeProfSingleProcessPrivilege	2904	wmic.exe
Token: SeIncBasePriorityPrivilege	2904	wmic.exe
Token: SeCreatePagefilePrivilege	2904	wmic.exe
Token: SeBackupPrivilege	2904	wmic.exe
Token: SeRestorePrivilege	2904	wmic.exe
Token: SeShutdownPrivilege	2904	wmic.exe
Token: SeDebugPrivilege	2904	wmic.exe
Token: SeSystemEnvironmentPrivilege	2904	wmic.exe
Token: SeRemoteShutdownPrivilege	2904	wmic.exe
Token: SeUndockPrivilege	2904	wmic.exe
Token: SeManageVolumePrivilege	2904	wmic.exe
Token: 33	2904	wmic.exe
Token: 34	2904	wmic.exe
Token: 35	2904	wmic.exe
Token: SeIncreaseQuotaPrivilege	2972	wmic.exe
Token: SeSecurityPrivilege	2972	wmic.exe
Token: SeTakeOwnershipPrivilege	2972	wmic.exe
Token: SeLoadDriverPrivilege	2972	wmic.exe
Token: SeSystemProfilePrivilege	2972	wmic.exe
Token: SeSystemtimePrivilege	2972	wmic.exe
Token: SeProfSingleProcessPrivilege	2972	wmic.exe
Token: SeIncBasePriorityPrivilege	2972	wmic.exe
Token: SeCreatePagefilePrivilege	2972	wmic.exe
Token: SeBackupPrivilege	2972	wmic.exe
Token: SeRestorePrivilege	2972	wmic.exe
Token: SeShutdownPrivilege	2972	wmic.exe
Token: SeDebugPrivilege	2972	wmic.exe
Token: SeSystemEnvironmentPrivilege	2972	wmic.exe
Token: SeRemoteShutdownPrivilege	2972	wmic.exe
Token: SeUndockPrivilege	2972	wmic.exe
Token: SeManageVolumePrivilege	2972	wmic.exe
Token: 33	2972	wmic.exe
Token: 34	2972	wmic.exe
Token: 35	2972	wmic.exe
Token: SeIncreaseQuotaPrivilege	2840	wmic.exe
Token: SeSecurityPrivilege	2840	wmic.exe
Token: SeTakeOwnershipPrivilege	2840	wmic.exe
Token: SeLoadDriverPrivilege	2840	wmic.exe
Token: SeSystemProfilePrivilege	2840	wmic.exe
Token: SeSystemtimePrivilege	2840	wmic.exe
Token: SeProfSingleProcessPrivilege	2840	wmic.exe
Token: SeIncBasePriorityPrivilege	2840	wmic.exe
Token: SeCreatePagefilePrivilege	2840	wmic.exe
Token: SeBackupPrivilege	2840	wmic.exe
Token: SeRestorePrivilege	2840	wmic.exe
Token: SeShutdownPrivilege	2840	wmic.exe
Token: SeDebugPrivilege	2840	wmic.exe
Token: SeSystemEnvironmentPrivilege	2840	wmic.exe
Token: SeRemoteShutdownPrivilege	2840	wmic.exe
Token: SeUndockPrivilege	2840	wmic.exe
Token: SeManageVolumePrivilege	2840	wmic.exe
Token: 33	2840	wmic.exe
Token: 34	2840	wmic.exe
Token: 35	2840	wmic.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exetaskeng.exe

description	pid	process	target process
PID 2464 wrote to memory of 2612	2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe	vssadmin.exe
PID 2464 wrote to memory of 2612	2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe	vssadmin.exe
PID 2464 wrote to memory of 2612	2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe	vssadmin.exe
PID 2464 wrote to memory of 2612	2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe	vssadmin.exe
PID 2464 wrote to memory of 2904	2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe	wmic.exe
PID 2464 wrote to memory of 2904	2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe	wmic.exe
PID 2464 wrote to memory of 2904	2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe	wmic.exe
PID 2464 wrote to memory of 2904	2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe	wmic.exe
PID 2464 wrote to memory of 2296	2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe	vssadmin.exe
PID 2464 wrote to memory of 2296	2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe	vssadmin.exe
PID 2464 wrote to memory of 2296	2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe	vssadmin.exe
PID 2464 wrote to memory of 2296	2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe	vssadmin.exe
PID 2464 wrote to memory of 2972	2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe	wmic.exe
PID 2464 wrote to memory of 2972	2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe	wmic.exe
PID 2464 wrote to memory of 2972	2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe	wmic.exe
PID 2464 wrote to memory of 2972	2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe	wmic.exe
PID 2464 wrote to memory of 2592	2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe	vssadmin.exe
PID 2464 wrote to memory of 2592	2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe	vssadmin.exe
PID 2464 wrote to memory of 2592	2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe	vssadmin.exe
PID 2464 wrote to memory of 2592	2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe	vssadmin.exe
PID 2464 wrote to memory of 2840	2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe	wmic.exe
PID 2464 wrote to memory of 2840	2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe	wmic.exe
PID 2464 wrote to memory of 2840	2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe	wmic.exe
PID 2464 wrote to memory of 2840	2464	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe	wmic.exe
PID 1048 wrote to memory of 1628	1048	taskeng.exe	svhost.exe
PID 1048 wrote to memory of 1628	1048	taskeng.exe	svhost.exe
PID 1048 wrote to memory of 1628	1048	taskeng.exe	svhost.exe
PID 1048 wrote to memory of 1628	1048	taskeng.exe	svhost.exe

System policy modification 1 TTPs 3 IoCs

evasion

Modify Registry

T1112

Processes:

05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLinkedConnections = "1"	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe

C:\Users\Admin\AppData\Local\Temp\05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
"C:\Users\Admin\AppData\Local\Temp\05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe"
1⤵
- UAC bypass
- Drops desktop.ini file(s)
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2464
- C:\Windows\SysWOW64\vssadmin.exe
  vssadmin.exe Delete Shadows /All /Quiet
  2⤵
  - Interacts with shadow copies
  PID:2612
- C:\Windows\SysWOW64\Wbem\wmic.exe
  wmic.exe SHADOWCOPY /nointeractive
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2904
- C:\Windows\SysWOW64\vssadmin.exe
  vssadmin.exe Delete Shadows /All /Quiet
  2⤵
  - Interacts with shadow copies
  PID:2296
- C:\Windows\SysWOW64\Wbem\wmic.exe
  wmic.exe SHADOWCOPY /nointeractive
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2972
- C:\Windows\SysWOW64\vssadmin.exe
  vssadmin.exe Delete Shadows /All /Quiet
  2⤵
  - Interacts with shadow copies
  PID:2592
- C:\Windows\SysWOW64\Wbem\wmic.exe
  wmic.exe SHADOWCOPY /nointeractive
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2840

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3052

C:\Windows\system32\taskeng.exe
taskeng.exe {6F720946-E326-492D-B15A-091F996E3486} S-1-5-21-4219371764-2579186923-3390623117-1000:NVACMPYA\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1048
- C:\Users\Admin\AppData\Roaming\svhost.exe
  C:\Users\Admin\AppData\Roaming\svhost.exe
  2⤵
  - Executes dropped EXE
  PID:1628

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

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

2

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
666KB

MD5
4660887b36d65e42b7d71d5e18187dfe

SHA1
49ad1eecb9bbb8d736833006685b8c2c1300115b

SHA256
05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873

SHA512
d0983ec2cb04d7b7fe0f1749ca903c34bb9b55a6a57f18d93feefbe7a358c6faddc42cc964e79315a250c940b22c067f2bcecd5d41aa334fe9b992ac632df6f8

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

Filesize
666KB

MD5
4660887b36d65e42b7d71d5e18187dfe

SHA1
49ad1eecb9bbb8d736833006685b8c2c1300115b

SHA256
05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873

SHA512
d0983ec2cb04d7b7fe0f1749ca903c34bb9b55a6a57f18d93feefbe7a358c6faddc42cc964e79315a250c940b22c067f2bcecd5d41aa334fe9b992ac632df6f8

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

Filesize
536B

MD5
99899f665305e610c226788489c614b0

SHA1
40cef3f26103a29e88ae5438f3826827612e5f38

SHA256
6d4dd3a4fce8ed9036954530702b0e0fe3b3f8da3c0527a8994de13e330fd2dc

SHA512
667cb21870f9cd6c43cbaff92af994dcb3b7c4b569a4788a5926869bc52f92f5d6d5df12b8948d61b793e7e934e829589f92d12dc7e6a88db479d2abd92fb1b6

Download Submit
\Device\HarddiskVolume1\Boot\!-Recovery_Instructions-!.html

Filesize
5KB

MD5
c9669c65961593b3856079230e1e85b3

SHA1
ceaf386a8303f140964812a16b05fa87f47d71e4

SHA256
d45fb0ba60aba77949234f4968b84b020ad202b024ce8269bc5195902e32d221

SHA512
7fa750bb1434e39f63471c0cc99aa79a60ef38883aefead1255d16a080c537223153430c306fb2ea0d2bd74ae6ecee400e039a6ea9ecb7553b2e0852c897effb

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads