globeimposter | 871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449

General

Target

871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe
Size

54KB
MD5

1ffd803df706125bdda816386622f37e
SHA1

235de6db0cbddc51c0c6e3c173bfbe00d6988154
SHA256

871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449
SHA512

04e6aee646e8eb751c94985430b2892b5c9948153d0c87aaf5de3b85f7c4c4a1ddc76b1fd6a3f19efaec55d6f5b8dcff77379502f8f84fc37271e1ea2e8479eb

Score

10^/10

globeimposter persistence ransomware

Malware Config

Extracted

Path

C:\how_to_back_files.html

Ransom Note

<html> <style type="text/css"> body { background-color: #404040; } { margin: 0; padding: 0; } h1, h3{ text-align: center; text-transform: uppercase; font-weight: normal; } /*---*/ .tabs1{ width: 800px; display: block; margin: auto; position: relative; } .tabs1 .head{ text-align: center; float: top; text-transform: uppercase; font-weight: normal; display: block; padding: 5px; color: #FF0000; background: #303030; } .tabs1 .identi { margin-left: 0px; line-height: 13px; font-size: 13px; text-align: center; float: top; display: block; padding: 15px; background: #303030; color: #DFDFDF; } /*---*/ .tabs{ width: 800px; display: block; margin: auto; position: relative; } .tabs .tab{ float: left; display: block; } .tabs .tab>input[type="radio"] { position: absolute; top: -9999px; left: -9999px; } .tabs .tab>label { display: block; padding: 6px 21px; font-size: 18x; text-transform: uppercase; cursor: pointer; position: relative; color: #FFF; background: #4A83FD; } .tabs .content { z-index: 0;/* or display: none; */ overflow: hidden; width: 800px; /*padding: 25px;*/ position: absolute; top: 32px; left: 0; background: #303030; color: #DFDFDF; opacity:0; transition: opacity 400ms ease-out; } .tabs .content .text{ width: 700px; padding: 25px; } .tabs>.tab>[id^="tab"]:checked + label { top:0; background: #303030; color: #F5F5F5; } .tabs>.tab>[id^="tab"]:checked ~ [id^="tab-content"] { z-index: 1;/* or display: block; */ opacity: 1; transition: opacity 400ms ease-out; } </style> <head> <meta charset="utf-8"> <title>HOW TO DECRYPT YOUR FILES</title> </head> <body> <div class="tabs1"> <div class="head" ><h3>Your personal ID</h3></div> <div class="identi"> <pre>��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pre> </div> </div>  <div class="tabs">  <div class="tab"> <input type="radio" name="tabs" checked="checked" id="tab1" /> <label for="tab1">English</label> <div id="tab-content1" class="content"> <h1>☣ Your files are encrypted! ☣</h1> <hr/> <h3> &#11015 To decrypt, follow the instructions below. &#11015 </h3> <br/> <div class="text">  To recover data you need decrypt tool.</br> To get the decrypt tool you should:</br> <p>Send 1 crypted test image or text file or document to <span> <font color="FF0000"> [email protected] </font></span></br> (Or alternate mail <font color="FF0000"> [email protected] </font>)<p> In the letter include your personal ID (look at the beginning of this document). Send me this ID in your first email to me</p> We will give you free test for decrypt few files (NOT VALUE) and assign the price for decryption all files</p> After we send you instruction how to pay for decrypt tool and after payment you will receive a decrypt tool and instructions how to use it We can decrypt few files in quality the evidence that we have the decoder.</br> <hr color=red> <center><p style="color:#FF0000">MOST IMPORTANT!!!</p></center> <center><p style="color:#FF0000"> Do not contact other services that promise to decrypt your files, this is fraud on their part! They will buy a decoder from us, and you will pay more for his services. No one, except [email protected], will decrypt your files.</p></center> <hr color=red> <ul> <li>Only [email protected] can decrypt your files</li> <li>Do not trust anyone besides [email protected]</li> <li>Antivirus programs can delete this document and you can not contact us later.</li> <li>Attempts to self-decrypting files will result in the loss of your data</li> <li>Decoders other users are not compatible with your data, because each user's unique encryption key</li> </ul>  </div> </div> </div>  </ul>  </div> </div>  </div> </div> </body> </html> ��

Emails

[email protected]

[email protected]</li>

Signatures

GlobeImposter
GlobeImposter is a ransomware first seen in 2017.
ransomware globeimposter

Modifies extensions of user files 5 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

description	ioc	Process
File renamed	C:\Users\Admin\Pictures\UndoTrace.png => C:\Users\Admin\Pictures\UndoTrace.png.FREEMAN	871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe
File renamed	C:\Users\Admin\Pictures\ApproveUnblock.crw => C:\Users\Admin\Pictures\ApproveUnblock.crw.FREEMAN	871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe
File renamed	C:\Users\Admin\Pictures\CompleteApprove.tif => C:\Users\Admin\Pictures\CompleteApprove.tif.FREEMAN	871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe
File renamed	C:\Users\Admin\Pictures\FindInstall.tif => C:\Users\Admin\Pictures\FindInstall.tif.FREEMAN	871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe
File renamed	C:\Users\Admin\Pictures\StepSkip.png => C:\Users\Admin\Pictures\StepSkip.png.FREEMAN	871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce	871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\BrowserUpdateCheck = "C:\\Users\\Admin\\AppData\\Local\\871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe"	871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe

Drops desktop.ini file(s) 20 IoCs

description	ioc	Process
File opened for modification	C:\Users\Public\Documents\desktop.ini	871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe
File opened for modification	C:\Users\Admin\Pictures\Saved Pictures\desktop.ini	871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe
File opened for modification	C:\Users\Admin\Links\desktop.ini	871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe
File opened for modification	C:\Users\Public\Pictures\desktop.ini	871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe
File opened for modification	C:\Users\Public\Music\desktop.ini	871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe
File opened for modification	C:\Users\Admin\Pictures\Camera Roll\desktop.ini	871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe
File opened for modification	C:\Users\Admin\Music\desktop.ini	871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe
File opened for modification	C:\Users\Admin\Downloads\desktop.ini	871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe
File opened for modification	C:\Users\Public\Videos\desktop.ini	871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe
File opened for modification	C:\Users\Admin\Videos\desktop.ini	871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe
File opened for modification	C:\Users\Admin\Searches\desktop.ini	871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe
File opened for modification	C:\Users\Public\desktop.ini	871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe
File opened for modification	C:\Users\Public\Libraries\desktop.ini	871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe
File opened for modification	C:\Users\Public\AccountPictures\desktop.ini	871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe
File opened for modification	C:\Users\Admin\Saved Games\desktop.ini	871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe
File opened for modification	C:\Users\Admin\Favorites\desktop.ini	871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe
File opened for modification	C:\Users\Admin\Favorites\Links\desktop.ini	871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe
File opened for modification	C:\Users\Public\Downloads\desktop.ini	871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe
File opened for modification	C:\Users\Public\Desktop\desktop.ini	871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe

Drops file in Windows directory 7 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\ReportingEvents.log	svchost.exe
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TiWorker.exe
File opened for modification	C:\Windows\WindowsUpdate.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.edb	svchost.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2456	svchost.exe
Token: SeCreatePagefilePrivilege	2456	svchost.exe
Token: SeShutdownPrivilege	2456	svchost.exe
Token: SeCreatePagefilePrivilege	2456	svchost.exe
Token: SeShutdownPrivilege	2456	svchost.exe
Token: SeCreatePagefilePrivilege	2456	svchost.exe
Token: SeSecurityPrivilege	4256	TiWorker.exe
Token: SeRestorePrivilege	4256	TiWorker.exe
Token: SeBackupPrivilege	4256	TiWorker.exe

C:\Users\Admin\AppData\Local\Temp\871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe
"C:\Users\Admin\AppData\Local\Temp\871b6f345da732ce3c239540223f70f68b5187703219ee7a6abef7713a9ce449.exe"
1⤵
- Modifies extensions of user files
- Adds Run key to start application
- Drops desktop.ini file(s)
PID:4128

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:2456

C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:4256

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2456-132-0x000002F178F70000-0x000002F178F80000-memory.dmp

Filesize
64KB

Download
memory/2456-133-0x000002F1797E0000-0x000002F1797F0000-memory.dmp

Filesize
64KB

Download
memory/2456-134-0x000002F17BCD0000-0x000002F17BCD4000-memory.dmp

Filesize
16KB

Download

Analysis

Sharing