medusalocker | 45f0bb5539b7ce29c74f11c46b1f1199eae518af04ff7bb499e10f4780dc7530

General

Target

f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
Size

669KB
MD5

f8a9d3f458a7ab3af54cde87d2b0b4f6
SHA1

9984cfbbf8c86c16d0ca2fd1388ed516213a6eb8
SHA256

45f0bb5539b7ce29c74f11c46b1f1199eae518af04ff7bb499e10f4780dc7530
SHA512

324b73a4fb223d653fb56f3d0081fdd4429ca222c43069141f6df4e53538b2dd25c0f25fad14d8c96e0bbbb5b9a7de6fc93b96695315a777aa5c065035b49dff
SSDEEP

12288:dQA0FfTcwpBuV2UxqDmuiLZeUaoFi2XZWfGe615HhAZV8DYKD/KeX:Tuf4wTuV2Ux3uIZeUBi2Te6HWRKrKe

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;">F6DB4A4BFEF42F2434EC69D381E48F4BB7F4DDF3EB5C4C103A361EB8EF9C4E7A753FE61D29747FC97355BD5FCB174D7881F1BEF53256E6DDD26D3C016C6544CF<br>1384E018B6012223A032B805CCE6E4D68DA688761E1B6B687DAA66241A6FC466A305EB9315BDD7EBE9ABF6D51F26E5869945FAEE95668AB3C56404B16C15<br>A7E7EA2538A118389114CFD9B0A9BBB9DF3B9758B1E87721334F4ED408A91DDD673F7D817009EF0697C3CD1BAF3C1958973DB399F5DBA60B21B3A576DFF0<br>18849EE818D356BB2254D83DB21A05D82856B6CC47D408902F45C7FCB3482171801EA3407EC9AEFB3965A18155F678231879079B1D07945AFB50E291F55A<br>BACD1C6BC81705477BC29F76E5869360E3B27FDBB701D93B18DCBAE006FEC447DDDFFD7587E6EB8E377B116C7E658E25F4940FB0E012D4F48FE31AEB3519<br>DDEE052C3CFF569CF12C2DA5B5AE992904A7E4E29F6F2D2D35678C990A30931F204CB59732A00176C0B61180FEF97F34B94CA2C946A54863A97455775BE5<br>A18D615A12AF9686A838FB2B678D33B772357771004235D37E027F8E54A9EF139E6592794622B4E0181C729A3572F539F1A4CB409795651D350C840A9FA5<br>D70752D80CF69D90BCF6850A2A0437868C661128876E3C254AEAEF37E16D3917240742EAE25B31F6155DC98CE4653637728A9BF91E2EE7E839F92AC76BA2<br>688138130D5E0B912C98EB8DF173</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="diniaminius@winrof.com ">diniaminius@winrof.com </a> <br><a href="soterissylla@wyseil.com">soterissylla@wyseil.com</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="diniaminius@winrof.com

">diniaminius@winrof.com

href="soterissylla@wyseil.com">soterissylla@wyseil.com</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:

f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.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 (282) 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

1884 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
1884	svhost.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe

Drops desktop.ini file(s) 1 IoCs

Processes:

f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe

description	ioc	process
File opened for modification	\??\Z:\$RECYCLE.BIN\S-1-5-21-3627615824-4061627003-3019543961-1000\desktop.ini	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.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:

f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe

description	ioc	process
File opened (read-only)	\??\J:	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
File opened (read-only)	\??\P:	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
File opened (read-only)	\??\R:	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
File opened (read-only)	\??\A:	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
File opened (read-only)	\??\B:	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
File opened (read-only)	\??\K:	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
File opened (read-only)	\??\L:	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
File opened (read-only)	\??\Y:	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
File opened (read-only)	\??\E:	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
File opened (read-only)	\??\G:	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
File opened (read-only)	\??\N:	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
File opened (read-only)	\??\S:	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
File opened (read-only)	\??\T:	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
File opened (read-only)	\??\U:	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
File opened (read-only)	\??\V:	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
File opened (read-only)	\??\H:	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
File opened (read-only)	\??\I:	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
File opened (read-only)	\??\M:	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
File opened (read-only)	\??\O:	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
File opened (read-only)	\??\Q:	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
File opened (read-only)	\??\W:	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
File opened (read-only)	\??\X:	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
File opened (read-only)	\??\Z:	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
File opened (read-only)	\??\F:	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.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

2972 vssadmin.exe
2696 vssadmin.exe
1920 vssadmin.exe

pid	process
2972	vssadmin.exe
2696	vssadmin.exe
1920	vssadmin.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe

pid	process
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 63 IoCs

Processes:

vssvc.exewmic.exewmic.exewmic.exe

description	pid	process
Token: SeBackupPrivilege	2556	vssvc.exe
Token: SeRestorePrivilege	2556	vssvc.exe
Token: SeAuditPrivilege	2556	vssvc.exe
Token: SeIncreaseQuotaPrivilege	2664	wmic.exe
Token: SeSecurityPrivilege	2664	wmic.exe
Token: SeTakeOwnershipPrivilege	2664	wmic.exe
Token: SeLoadDriverPrivilege	2664	wmic.exe
Token: SeSystemProfilePrivilege	2664	wmic.exe
Token: SeSystemtimePrivilege	2664	wmic.exe
Token: SeProfSingleProcessPrivilege	2664	wmic.exe
Token: SeIncBasePriorityPrivilege	2664	wmic.exe
Token: SeCreatePagefilePrivilege	2664	wmic.exe
Token: SeBackupPrivilege	2664	wmic.exe
Token: SeRestorePrivilege	2664	wmic.exe
Token: SeShutdownPrivilege	2664	wmic.exe
Token: SeDebugPrivilege	2664	wmic.exe
Token: SeSystemEnvironmentPrivilege	2664	wmic.exe
Token: SeRemoteShutdownPrivilege	2664	wmic.exe
Token: SeUndockPrivilege	2664	wmic.exe
Token: SeManageVolumePrivilege	2664	wmic.exe
Token: 33	2664	wmic.exe
Token: 34	2664	wmic.exe
Token: 35	2664	wmic.exe
Token: SeIncreaseQuotaPrivilege	2564	wmic.exe
Token: SeSecurityPrivilege	2564	wmic.exe
Token: SeTakeOwnershipPrivilege	2564	wmic.exe
Token: SeLoadDriverPrivilege	2564	wmic.exe
Token: SeSystemProfilePrivilege	2564	wmic.exe
Token: SeSystemtimePrivilege	2564	wmic.exe
Token: SeProfSingleProcessPrivilege	2564	wmic.exe
Token: SeIncBasePriorityPrivilege	2564	wmic.exe
Token: SeCreatePagefilePrivilege	2564	wmic.exe
Token: SeBackupPrivilege	2564	wmic.exe
Token: SeRestorePrivilege	2564	wmic.exe
Token: SeShutdownPrivilege	2564	wmic.exe
Token: SeDebugPrivilege	2564	wmic.exe
Token: SeSystemEnvironmentPrivilege	2564	wmic.exe
Token: SeRemoteShutdownPrivilege	2564	wmic.exe
Token: SeUndockPrivilege	2564	wmic.exe
Token: SeManageVolumePrivilege	2564	wmic.exe
Token: 33	2564	wmic.exe
Token: 34	2564	wmic.exe
Token: 35	2564	wmic.exe
Token: SeIncreaseQuotaPrivilege	2504	wmic.exe
Token: SeSecurityPrivilege	2504	wmic.exe
Token: SeTakeOwnershipPrivilege	2504	wmic.exe
Token: SeLoadDriverPrivilege	2504	wmic.exe
Token: SeSystemProfilePrivilege	2504	wmic.exe
Token: SeSystemtimePrivilege	2504	wmic.exe
Token: SeProfSingleProcessPrivilege	2504	wmic.exe
Token: SeIncBasePriorityPrivilege	2504	wmic.exe
Token: SeCreatePagefilePrivilege	2504	wmic.exe
Token: SeBackupPrivilege	2504	wmic.exe
Token: SeRestorePrivilege	2504	wmic.exe
Token: SeShutdownPrivilege	2504	wmic.exe
Token: SeDebugPrivilege	2504	wmic.exe
Token: SeSystemEnvironmentPrivilege	2504	wmic.exe
Token: SeRemoteShutdownPrivilege	2504	wmic.exe
Token: SeUndockPrivilege	2504	wmic.exe
Token: SeManageVolumePrivilege	2504	wmic.exe
Token: 33	2504	wmic.exe
Token: 34	2504	wmic.exe
Token: 35	2504	wmic.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exetaskeng.exe

description	pid	process	target process
PID 2372 wrote to memory of 2972	2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe	vssadmin.exe
PID 2372 wrote to memory of 2972	2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe	vssadmin.exe
PID 2372 wrote to memory of 2972	2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe	vssadmin.exe
PID 2372 wrote to memory of 2972	2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe	vssadmin.exe
PID 2372 wrote to memory of 2664	2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe	wmic.exe
PID 2372 wrote to memory of 2664	2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe	wmic.exe
PID 2372 wrote to memory of 2664	2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe	wmic.exe
PID 2372 wrote to memory of 2664	2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe	wmic.exe
PID 2372 wrote to memory of 2696	2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe	vssadmin.exe
PID 2372 wrote to memory of 2696	2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe	vssadmin.exe
PID 2372 wrote to memory of 2696	2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe	vssadmin.exe
PID 2372 wrote to memory of 2696	2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe	vssadmin.exe
PID 2372 wrote to memory of 2564	2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe	wmic.exe
PID 2372 wrote to memory of 2564	2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe	wmic.exe
PID 2372 wrote to memory of 2564	2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe	wmic.exe
PID 2372 wrote to memory of 2564	2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe	wmic.exe
PID 2372 wrote to memory of 1920	2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe	vssadmin.exe
PID 2372 wrote to memory of 1920	2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe	vssadmin.exe
PID 2372 wrote to memory of 1920	2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe	vssadmin.exe
PID 2372 wrote to memory of 1920	2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe	vssadmin.exe
PID 2372 wrote to memory of 2504	2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe	wmic.exe
PID 2372 wrote to memory of 2504	2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe	wmic.exe
PID 2372 wrote to memory of 2504	2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe	wmic.exe
PID 2372 wrote to memory of 2504	2372	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe	wmic.exe
PID 1212 wrote to memory of 1884	1212	taskeng.exe	svhost.exe
PID 1212 wrote to memory of 1884	1212	taskeng.exe	svhost.exe
PID 1212 wrote to memory of 1884	1212	taskeng.exe	svhost.exe
PID 1212 wrote to memory of 1884	1212	taskeng.exe	svhost.exe

System policy modification 1 TTPs 3 IoCs

evasion

Modify Registry

T1112

Processes:

f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLinkedConnections = "1"	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.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\f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118.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:2372

C:\Windows\SysWOW64\vssadmin.exe
vssadmin.exe Delete Shadows /All /Quiet
2⤵
- Interacts with shadow copies
PID:2972

C:\Windows\SysWOW64\Wbem\wmic.exe
wmic.exe SHADOWCOPY /nointeractive
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:2664

C:\Windows\SysWOW64\vssadmin.exe
vssadmin.exe Delete Shadows /All /Quiet
2⤵
- Interacts with shadow copies
PID:2696

C:\Windows\SysWOW64\Wbem\wmic.exe
wmic.exe SHADOWCOPY /nointeractive
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:2564

C:\Windows\SysWOW64\vssadmin.exe
vssadmin.exe Delete Shadows /All /Quiet
2⤵
- Interacts with shadow copies
PID:1920

C:\Windows\SysWOW64\Wbem\wmic.exe
wmic.exe SHADOWCOPY /nointeractive
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:2504

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2556

C:\Windows\system32\taskeng.exe
taskeng.exe {C2549CCF-3247-46A2-AC0E-8AFBEC2A7955} S-1-5-21-3627615824-4061627003-3019543961-1000:SCFGBRBT\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1212

C:\Users\Admin\AppData\Roaming\svhost.exe
C:\Users\Admin\AppData\Roaming\svhost.exe
2⤵
- Executes dropped EXE
PID:1884

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
5KB

MD5
e1e85f3873e503dbcb2e2b5d3db7a1a8

SHA1
a12e40a7d045ff7715877e3c07d4d90d2ffc93f9

SHA256
303fc950e708456d2f1d66a26b0d0d09f349b74de777dd01963f5eba4f1da9ed

SHA512
a80d8339ffdb71f5fc83fb5b2d6001ec5045ee167fe71d6e39fd6280bfadeb34eafc7616fc232dd82e785e04c9c17b640feeb4e5029dc02a27e55124f1507433

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

MD5
f8a9d3f458a7ab3af54cde87d2b0b4f6

SHA1
9984cfbbf8c86c16d0ca2fd1388ed516213a6eb8

SHA256
45f0bb5539b7ce29c74f11c46b1f1199eae518af04ff7bb499e10f4780dc7530

SHA512
324b73a4fb223d653fb56f3d0081fdd4429ca222c43069141f6df4e53538b2dd25c0f25fad14d8c96e0bbbb5b9a7de6fc93b96695315a777aa5c065035b49dff

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

MD5
3a7a2929014112844eba2b62502ab8ac

SHA1
3583d7a514322b6a93593e96169c01eb0c3f30d2

SHA256
3d2121032b1b9e9ba211daa3a1c501c4a2cbda65f09de2933d681bf611cc7079

SHA512
9e970629a37c000c1a836cdd5219ed1a963e4d91b44f215523e2f936cc4357f966a13fb284d3fc66029ffbcd192e112aa7ca434efe8cd1dbdaa643ad67b0d344

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads