Analysis
-
max time kernel
126s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system -
submitted
21-04-2024 10:47
Behavioral task
behavioral1
Sample
ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe
Resource
win7-20240220-en
windows7-x64
17 signatures
150 seconds
Behavioral task
behavioral2
Sample
ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe
Resource
win10v2004-20240412-en
windows10-2004-x64
14 signatures
150 seconds
General
-
Target
ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe
-
Size
678KB
-
MD5
ff1b2e9d3e7af50b302b090a15d15c76
-
SHA1
3bae4caa7c4ecca659aec342472fe49b3c0b2131
-
SHA256
a25c0227728878c386ab6dba139976cb10e853dd3cd1eb3623f236ee8e1df212
-
SHA512
d3527aa4e7d4a8fbd0565ea8c0d26dc7e9ff0f294efa5260b9e964e5943782eb697b964cb684ad9008a717b93cfd120ec1337acb0ecbefef0931313f7b88e881
-
SSDEEP
12288:cPJ4U0TYQivI2qZ7aSgLwkFVpzUvest4ZEbjJLuvJVoM7:JzTYVQ2qZ7aSgLwuVfstRJLAYM
Malware Config
Extracted
Path
C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\Recovery_Instructions.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;">005EF006DCC5A47C3921F94CCA1231172DE67582FD47C18E46D7C35B169A27D36C0FFB17C61E3107885F67E927B842992C0080453128267FD2372D830DE80CEF<br>C333B92E3B2BB09BC15DB4AAECC1532091C231FCF0FE95BFC2C2C4EEA967F3C3B1FB3D77C8A063FF1AD50EB16C6797C703260997884996C390482324B356<br>E441124FC6E015D7F4F56DEB6392CA14DBB2749C84D611927D6C31AB2404EE0D5C848DB15D18A505FAEA1E5DBA42C787E01DE05116FAA5341ED263872673<br>05B22DC32C2B8AE0ACEF8C6ABE83A374C6A9406AD78F21526BD6554C77BD5145A18439278BF9F9D03D3C8B587913C545C55F3D99EECA7B6D52DDAAD4E193<br>3D2D8AA64A4A96EC18B865E5BE46074324D23C4A9AC6A70AA3435304E0CFD5472A513EADB9C8A43EC5728E5406C962A0FF67A61159B3855C8E939EDC8526<br>6BE7F126AA28A156F7A52BFD9027C13037CCE3E0AEDB3B6EAC122103B6CBEDD675750790415450AAA16D69946210E60C7768DA9445E2848D9BA7C9B27BDC<br>A502A729A1C1346FAC56409760A77F1C93BD4A13FEA0CDC84132886D16058BA5B6FCDEC10FB398D2692CD42307E8CB54BADF6F61C2ABD904F29138ED4582<br>36190BB20802A59F03B6E2714DAD97739C3527E19DF31B553500FBE1CCEB3796368D6E6406B435ED93FE958D55F1099A09CA84AFDD2969B7E7A9C45DF4AA<br>2E974E00873A84714A826DFB8827</span> <br>
<!-- !!! dont changing this !!! -->
</div>
</div>
<!-- -->
<div class="tabs">
<!--tab-->
<div class="tab">
<div id="tab-content1" class="content">
<div class="text">
<!--text data -->
<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>
<!--text data -->
<hr>
<b>Contact us for price and get decryption software.</b><br><br>
<a>http://gvlay6u4g53rxdi5.onion/21-aRlswZwdaPLiH2ghcD7Rh6wuGgFv0BGV-QUSZVAgW25ZvIR08pUnNaDXRI6tIx234</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 "{{URL}}". <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="[email protected]">[email protected]</a>
<br><a href="[email protected]">[email protected]</a>
<br>
<b>* To contact us, create a new mail on the site:</b> <a href="https://protonmail.com">protonmail.com<br> <hr>
<b>Make contact as soon as possible. Your private key (decryption key) <br>
is only stored temporarily.<br><br>
IF YOU DON'T CONTACT US WITHIN 72 HOURS, PRICE WILL BE HIGHER.</b><br>
</div>
</div>
</div>
<!--tab-->
<!--text data -->
</div>
</div>
<!--tab-->
</div>
</div>
</body>
</html>
Emails
Signatures
-
MedusaLocker
Ransomware with several variants first seen in September 2019.
-
MedusaLocker payload 1 IoCs
resource yara_rule behavioral1/files/0x000c000000012331-601.dat family_medusalocker -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe -
Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Renames multiple (193) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
Executes dropped EXE 1 IoCs
pid Process 2720 svhost.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe -
Drops desktop.ini file(s) 1 IoCs
description ioc Process File opened for modification \??\Z:\$RECYCLE.BIN\S-1-5-21-2721934792-624042501-2768869379-1000\desktop.ini ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe -
Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\O: ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe File opened (read-only) \??\P: ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe File opened (read-only) \??\T: ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe File opened (read-only) \??\W: ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe File opened (read-only) \??\A: ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe File opened (read-only) \??\J: ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe File opened (read-only) \??\K: ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe File opened (read-only) \??\R: ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe File opened (read-only) \??\Y: ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe File opened (read-only) \??\F: ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe File opened (read-only) \??\B: ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe File opened (read-only) \??\G: ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe File opened (read-only) \??\N: ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe File opened (read-only) \??\L: ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe File opened (read-only) \??\Q: ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe File opened (read-only) \??\V: ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe File opened (read-only) \??\X: ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe File opened (read-only) \??\Z: ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe File opened (read-only) \??\E: ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe File opened (read-only) \??\H: ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe File opened (read-only) \??\I: ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe File opened (read-only) \??\M: ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe File opened (read-only) \??\S: ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe File opened (read-only) \??\U: ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Interacts with shadow copies 2 TTPs 3 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 2184 vssadmin.exe 2580 vssadmin.exe 2480 vssadmin.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 63 IoCs
description pid Process Token: SeBackupPrivilege 1628 vssvc.exe Token: SeRestorePrivilege 1628 vssvc.exe Token: SeAuditPrivilege 1628 vssvc.exe Token: SeIncreaseQuotaPrivilege 2672 wmic.exe Token: SeSecurityPrivilege 2672 wmic.exe Token: SeTakeOwnershipPrivilege 2672 wmic.exe Token: SeLoadDriverPrivilege 2672 wmic.exe Token: SeSystemProfilePrivilege 2672 wmic.exe Token: SeSystemtimePrivilege 2672 wmic.exe Token: SeProfSingleProcessPrivilege 2672 wmic.exe Token: SeIncBasePriorityPrivilege 2672 wmic.exe Token: SeCreatePagefilePrivilege 2672 wmic.exe Token: SeBackupPrivilege 2672 wmic.exe Token: SeRestorePrivilege 2672 wmic.exe Token: SeShutdownPrivilege 2672 wmic.exe Token: SeDebugPrivilege 2672 wmic.exe Token: SeSystemEnvironmentPrivilege 2672 wmic.exe Token: SeRemoteShutdownPrivilege 2672 wmic.exe Token: SeUndockPrivilege 2672 wmic.exe Token: SeManageVolumePrivilege 2672 wmic.exe Token: 33 2672 wmic.exe Token: 34 2672 wmic.exe Token: 35 2672 wmic.exe Token: SeIncreaseQuotaPrivilege 2728 wmic.exe Token: SeSecurityPrivilege 2728 wmic.exe Token: SeTakeOwnershipPrivilege 2728 wmic.exe Token: SeLoadDriverPrivilege 2728 wmic.exe Token: SeSystemProfilePrivilege 2728 wmic.exe Token: SeSystemtimePrivilege 2728 wmic.exe Token: SeProfSingleProcessPrivilege 2728 wmic.exe Token: SeIncBasePriorityPrivilege 2728 wmic.exe Token: SeCreatePagefilePrivilege 2728 wmic.exe Token: SeBackupPrivilege 2728 wmic.exe Token: SeRestorePrivilege 2728 wmic.exe Token: SeShutdownPrivilege 2728 wmic.exe Token: SeDebugPrivilege 2728 wmic.exe Token: SeSystemEnvironmentPrivilege 2728 wmic.exe Token: SeRemoteShutdownPrivilege 2728 wmic.exe Token: SeUndockPrivilege 2728 wmic.exe Token: SeManageVolumePrivilege 2728 wmic.exe Token: 33 2728 wmic.exe Token: 34 2728 wmic.exe Token: 35 2728 wmic.exe Token: SeIncreaseQuotaPrivilege 1988 wmic.exe Token: SeSecurityPrivilege 1988 wmic.exe Token: SeTakeOwnershipPrivilege 1988 wmic.exe Token: SeLoadDriverPrivilege 1988 wmic.exe Token: SeSystemProfilePrivilege 1988 wmic.exe Token: SeSystemtimePrivilege 1988 wmic.exe Token: SeProfSingleProcessPrivilege 1988 wmic.exe Token: SeIncBasePriorityPrivilege 1988 wmic.exe Token: SeCreatePagefilePrivilege 1988 wmic.exe Token: SeBackupPrivilege 1988 wmic.exe Token: SeRestorePrivilege 1988 wmic.exe Token: SeShutdownPrivilege 1988 wmic.exe Token: SeDebugPrivilege 1988 wmic.exe Token: SeSystemEnvironmentPrivilege 1988 wmic.exe Token: SeRemoteShutdownPrivilege 1988 wmic.exe Token: SeUndockPrivilege 1988 wmic.exe Token: SeManageVolumePrivilege 1988 wmic.exe Token: 33 1988 wmic.exe Token: 34 1988 wmic.exe Token: 35 1988 wmic.exe -
Suspicious use of WriteProcessMemory 28 IoCs
description pid Process procid_target PID 2008 wrote to memory of 2184 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 28 PID 2008 wrote to memory of 2184 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 28 PID 2008 wrote to memory of 2184 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 28 PID 2008 wrote to memory of 2184 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 28 PID 2008 wrote to memory of 2672 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 31 PID 2008 wrote to memory of 2672 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 31 PID 2008 wrote to memory of 2672 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 31 PID 2008 wrote to memory of 2672 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 31 PID 2008 wrote to memory of 2580 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 33 PID 2008 wrote to memory of 2580 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 33 PID 2008 wrote to memory of 2580 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 33 PID 2008 wrote to memory of 2580 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 33 PID 2008 wrote to memory of 2728 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 35 PID 2008 wrote to memory of 2728 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 35 PID 2008 wrote to memory of 2728 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 35 PID 2008 wrote to memory of 2728 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 35 PID 2008 wrote to memory of 2480 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 37 PID 2008 wrote to memory of 2480 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 37 PID 2008 wrote to memory of 2480 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 37 PID 2008 wrote to memory of 2480 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 37 PID 2008 wrote to memory of 1988 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 39 PID 2008 wrote to memory of 1988 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 39 PID 2008 wrote to memory of 1988 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 39 PID 2008 wrote to memory of 1988 2008 ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe 39 PID 2400 wrote to memory of 2720 2400 taskeng.exe 45 PID 2400 wrote to memory of 2720 2400 taskeng.exe 45 PID 2400 wrote to memory of 2720 2400 taskeng.exe 45 PID 2400 wrote to memory of 2720 2400 taskeng.exe 45 -
System policy modification 1 TTPs 3 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLinkedConnections = "1" ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\ff1b2e9d3e7af50b302b090a15d15c76_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\ff1b2e9d3e7af50b302b090a15d15c76_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:2008 -
C:\Windows\SysWOW64\vssadmin.exevssadmin.exe Delete Shadows /All /Quiet2⤵
- Interacts with shadow copies
PID:2184
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C:\Windows\SysWOW64\Wbem\wmic.exewmic.exe SHADOWCOPY /nointeractive2⤵
- Suspicious use of AdjustPrivilegeToken
PID:2672
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C:\Windows\SysWOW64\vssadmin.exevssadmin.exe Delete Shadows /All /Quiet2⤵
- Interacts with shadow copies
PID:2580
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C:\Windows\SysWOW64\Wbem\wmic.exewmic.exe SHADOWCOPY /nointeractive2⤵
- Suspicious use of AdjustPrivilegeToken
PID:2728
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C:\Windows\SysWOW64\vssadmin.exevssadmin.exe Delete Shadows /All /Quiet2⤵
- Interacts with shadow copies
PID:2480
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C:\Windows\SysWOW64\Wbem\wmic.exewmic.exe SHADOWCOPY /nointeractive2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1988
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1628
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C:\Windows\system32\taskeng.exetaskeng.exe {76E035D6-13CE-48F7-A7D8-551558E1126A} S-1-5-21-2721934792-624042501-2768869379-1000:BISMIZHX\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:2400 -
C:\Users\Admin\AppData\Roaming\svhost.exeC:\Users\Admin\AppData\Roaming\svhost.exe2⤵
- Executes dropped EXE
PID:2720
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Indicator Removal
2File Deletion
2Modify Registry
2Replay Monitor
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Downloads
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Filesize
4KB
MD5feff41707714c52c1c5bdc50112db358
SHA15875ea43a5b23e15f5f0e350979833fa7bf1c6ec
SHA256ee89987085528c90b7946e0fd19f8300c57c14add98bb378922fc2713d7a687c
SHA512e387e9d1c7a0b476df1f2e3445e55b1269667ef9f7e65b848ca51861e273507aa4209e2edc5723cf10155d44fe0a9a5d7522a0b47155b76a7dfc7980fceae338
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Filesize
678KB
MD5ff1b2e9d3e7af50b302b090a15d15c76
SHA13bae4caa7c4ecca659aec342472fe49b3c0b2131
SHA256a25c0227728878c386ab6dba139976cb10e853dd3cd1eb3623f236ee8e1df212
SHA512d3527aa4e7d4a8fbd0565ea8c0d26dc7e9ff0f294efa5260b9e964e5943782eb697b964cb684ad9008a717b93cfd120ec1337acb0ecbefef0931313f7b88e881
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Filesize
536B
MD52491064d29fbe2ebfa4cbe2a4ac65362
SHA14e4c1ec30b6121f8bdc3d952049a275c8b0b2dbc
SHA2562614accde4359d0567f2a728ba7ba99083cce9c85d0aa171bd11fc3641aaa7e3
SHA512fe57ea6bcc7602be78f7af5de4f4d809d7f5cc52bc18e7196537048709870e9c47ad9f6493a247a9235126997e29435c54591ca9698e054c19d950f02e68ae61