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: E818DA05D485551DAD4C22500DCFCE7459EFED9BDB5304CF445557D193F3D9B91EDD60EFE0C755AF9D4F19C61AE9BB552CB29D71436ADCEA3A3FCF6A23F1FA4C<br>24006D8E7E5FF9295EF744609AD2AE9CB1360B47AE93777E1F207FE72C7975CB785B82C72D4DAB3B295440706CEE68177B967913E354C7917EA8C4B42DA0<br>0A73820DC192582D6F2908A8F57CB3CD1223B09E9FED359250C83AC3AA5DB2C7E361A90A078609135B48FCBF953AC770CCAC85AC24BAC4494CE937764C3E<br>3D14BAD5F15EE3535C9BD638BF861C4531E710FE8FC793BBA0B028C13D8199157D03433599756E9841D6A52D08CCC2DEB799E05CB93FDEE079267B9CA1B3<br>BDD280CA4203E3AEA71A61FA79C0D3531FB8154FBDF3DDFDBDA0368633A2CE43CA54D615BA85BF78C4F876233E6652874F9D3BF2441920D532B0B7F3FB8C<br>EF802C9B21BDC51AB7BCC42B0780F10070830ED2FC954455BC05E118C493165DD81FC159000519F9C3207E6469905B145AEE48AF7D6A8FAE2B3889290E7D<br>233EBD316C37E16B9171A8BA4C57D4BCF97758C1E6D4B05CA6FE3BB590579B99E3DCFD250E2944ADFB9937A347C9250ACFEFCDD10EA80034745352014942<br>6E4DE1B2F5AD3C11E2EA633D22CFA3242E72DED5C3C50751CFBAB7E0A417159D34735933E0E938FB93C55C81F77E2820E858A8DBE0FF62BA799A7AE87A34<br>3E6A5FEB5C11033CF5431976B805

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

Renames multiple (200) 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

980 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
980	svhost.exe

Drops desktop.ini file(s) 1 IoCs

Processes:

05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe

description	ioc	process
File opened for modification	\??\Z:\$RECYCLE.BIN\S-1-5-21-618519468-4027732583-1827558364-1000\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)	\??\A:	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
File opened (read-only)	\??\I:	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
File opened (read-only)	\??\O:	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
File opened (read-only)	\??\Y:	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
File opened (read-only)	\??\Z:	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
File opened (read-only)	\??\B:	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
File opened (read-only)	\??\H:	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)	\??\W:	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
File opened (read-only)	\??\X:	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
File opened (read-only)	\??\F:	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
File opened (read-only)	\??\L:	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
File opened (read-only)	\??\N:	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
File opened (read-only)	\??\P:	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
File opened (read-only)	\??\Q:	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
File opened (read-only)	\??\T:	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
File opened (read-only)	\??\U:	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
File opened (read-only)	\??\V:	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
File opened (read-only)	\??\E:	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
File opened (read-only)	\??\G:	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
File opened (read-only)	\??\R:	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
File opened (read-only)	\??\S:	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe

pid	process
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe
2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe

Suspicious use of AdjustPrivilegeToken 63 IoCs

Processes:

wmic.exewmic.exewmic.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	1072	wmic.exe
Token: SeSecurityPrivilege	1072	wmic.exe
Token: SeTakeOwnershipPrivilege	1072	wmic.exe
Token: SeLoadDriverPrivilege	1072	wmic.exe
Token: SeSystemProfilePrivilege	1072	wmic.exe
Token: SeSystemtimePrivilege	1072	wmic.exe
Token: SeProfSingleProcessPrivilege	1072	wmic.exe
Token: SeIncBasePriorityPrivilege	1072	wmic.exe
Token: SeCreatePagefilePrivilege	1072	wmic.exe
Token: SeBackupPrivilege	1072	wmic.exe
Token: SeRestorePrivilege	1072	wmic.exe
Token: SeShutdownPrivilege	1072	wmic.exe
Token: SeDebugPrivilege	1072	wmic.exe
Token: SeSystemEnvironmentPrivilege	1072	wmic.exe
Token: SeRemoteShutdownPrivilege	1072	wmic.exe
Token: SeUndockPrivilege	1072	wmic.exe
Token: SeManageVolumePrivilege	1072	wmic.exe
Token: 33	1072	wmic.exe
Token: 34	1072	wmic.exe
Token: 35	1072	wmic.exe
Token: 36	1072	wmic.exe
Token: SeIncreaseQuotaPrivilege	4040	wmic.exe
Token: SeSecurityPrivilege	4040	wmic.exe
Token: SeTakeOwnershipPrivilege	4040	wmic.exe
Token: SeLoadDriverPrivilege	4040	wmic.exe
Token: SeSystemProfilePrivilege	4040	wmic.exe
Token: SeSystemtimePrivilege	4040	wmic.exe
Token: SeProfSingleProcessPrivilege	4040	wmic.exe
Token: SeIncBasePriorityPrivilege	4040	wmic.exe
Token: SeCreatePagefilePrivilege	4040	wmic.exe
Token: SeBackupPrivilege	4040	wmic.exe
Token: SeRestorePrivilege	4040	wmic.exe
Token: SeShutdownPrivilege	4040	wmic.exe
Token: SeDebugPrivilege	4040	wmic.exe
Token: SeSystemEnvironmentPrivilege	4040	wmic.exe
Token: SeRemoteShutdownPrivilege	4040	wmic.exe
Token: SeUndockPrivilege	4040	wmic.exe
Token: SeManageVolumePrivilege	4040	wmic.exe
Token: 33	4040	wmic.exe
Token: 34	4040	wmic.exe
Token: 35	4040	wmic.exe
Token: 36	4040	wmic.exe
Token: SeIncreaseQuotaPrivilege	4508	wmic.exe
Token: SeSecurityPrivilege	4508	wmic.exe
Token: SeTakeOwnershipPrivilege	4508	wmic.exe
Token: SeLoadDriverPrivilege	4508	wmic.exe
Token: SeSystemProfilePrivilege	4508	wmic.exe
Token: SeSystemtimePrivilege	4508	wmic.exe
Token: SeProfSingleProcessPrivilege	4508	wmic.exe
Token: SeIncBasePriorityPrivilege	4508	wmic.exe
Token: SeCreatePagefilePrivilege	4508	wmic.exe
Token: SeBackupPrivilege	4508	wmic.exe
Token: SeRestorePrivilege	4508	wmic.exe
Token: SeShutdownPrivilege	4508	wmic.exe
Token: SeDebugPrivilege	4508	wmic.exe
Token: SeSystemEnvironmentPrivilege	4508	wmic.exe
Token: SeRemoteShutdownPrivilege	4508	wmic.exe
Token: SeUndockPrivilege	4508	wmic.exe
Token: SeManageVolumePrivilege	4508	wmic.exe
Token: 33	4508	wmic.exe
Token: 34	4508	wmic.exe
Token: 35	4508	wmic.exe
Token: 36	4508	wmic.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe

description	pid	process	target process
PID 2844 wrote to memory of 1072	2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe	wmic.exe
PID 2844 wrote to memory of 1072	2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe	wmic.exe
PID 2844 wrote to memory of 1072	2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe	wmic.exe
PID 2844 wrote to memory of 4040	2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe	wmic.exe
PID 2844 wrote to memory of 4040	2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe	wmic.exe
PID 2844 wrote to memory of 4040	2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe	wmic.exe
PID 2844 wrote to memory of 4508	2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe	wmic.exe
PID 2844 wrote to memory of 4508	2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe	wmic.exe
PID 2844 wrote to memory of 4508	2844	05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873.exe	wmic.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:2844
- C:\Windows\SysWOW64\Wbem\wmic.exe
  wmic.exe SHADOWCOPY /nointeractive
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1072
- C:\Windows\SysWOW64\Wbem\wmic.exe
  wmic.exe SHADOWCOPY /nointeractive
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4040
- C:\Windows\SysWOW64\Wbem\wmic.exe
  wmic.exe SHADOWCOPY /nointeractive
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4508

C:\Users\Admin\AppData\Roaming\svhost.exe
C:\Users\Admin\AppData\Roaming\svhost.exe
1⤵
- Executes dropped EXE
PID:980

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

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

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Downloads

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

Filesize
666KB

MD5
4660887b36d65e42b7d71d5e18187dfe

SHA1
49ad1eecb9bbb8d736833006685b8c2c1300115b

SHA256
05b51b5f41e483020d14126522a13c69b75e5cbb093a78980877bb60cf778873

SHA512
d0983ec2cb04d7b7fe0f1749ca903c34bb9b55a6a57f18d93feefbe7a358c6faddc42cc964e79315a250c940b22c067f2bcecd5d41aa334fe9b992ac632df6f8

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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
f6191d90604364616d3ed36fb58e2c25

SHA1
d03b7b9a8c339262af4e855a01a1a81a0a1b3326

SHA256
8d4509802d89d758feb0814884fea1929cfd2aeb18d6e10958a66b0fb0d91544

SHA512
fb88088ec94944733eebacbbe358fedc60f04d4a48d6cb313045a1e4b5bd8e9356a03f271ad746e11120919766ab06bcae7e2312593247cc3404a505b30b697c

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

Filesize
5KB

MD5
8c59c44566a44b3180d8f9b9f377b2e6

SHA1
8c6b7ee7a102fdc2276190c5910ff3a6cacafb2e

SHA256
063c96f7e5473de6d74e5db12623c2face9ef364c198793633a80b538f79fd91

SHA512
70a7ea3795420e1a6069004e17ab51a0d935fb4d194675da46f39100dd552ee296a8170a6e5d132ebc1314f576a906a6929f0c51b4dad58dc0c8b3c24a8a4753

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads