Malware Analysis Report

2025-01-02 14:21

Sample ID 220404-d25r2sdfan
Target inf.inf
SHA256 fd03dd58aa7cb5236f4df8cde3fb07af304c6f402cd48b86eefcecb8e7b86883
Tags
troldesh discovery persistence ransomware spyware stealer trojan upx
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

fd03dd58aa7cb5236f4df8cde3fb07af304c6f402cd48b86eefcecb8e7b86883

Threat Level: Known bad

The file inf.inf was found to be: Known bad.

Malicious Activity Summary

troldesh discovery persistence ransomware spyware stealer trojan upx

Troldesh, Shade, Encoder.858

Deletes shadow copies

UPX packed file

Reads user/profile data of web browsers

Checks installed software on the system

Adds Run key to start application

Drops file in Program Files directory

Enumerates physical storage devices

Program crash

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Interacts with shadow copies

Suspicious use of AdjustPrivilegeToken

Suspicious use of UnmapMainImage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-04-04 03:31

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-04-04 03:31

Reported

2022-04-04 04:25

Platform

win7-20220331-en

Max time kernel

150s

Max time network

161s

Command Line

"C:\Users\Admin\AppData\Local\Temp\inf.exe"

Signatures

Troldesh, Shade, Encoder.858

ransomware trojan troldesh

Deletes shadow copies

ransomware

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Reads user/profile data of web browsers

spyware stealer

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ C:\Users\Admin\AppData\Local\Temp\inf.exe N/A

Checks installed software on the system

discovery

Drops file in Program Files directory

Description Indicator Process Target
File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.rjmx_5.5.0.165303\plugin.xml C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\fy.txt C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\Windows Sidebar\Gadgets\RSSFeeds.Gadget\images\navBack.png C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\Images\2.png C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\en-US\css\settings.css C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\fr-FR\settings.html C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\mobile_browse.html C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\Windows Sidebar\Gadgets\RSSFeeds.Gadget\de-DE\css\flyout.css C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Currency.Gadget\ja-JP\js\localizedStrings.js C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-netbeans-spi-quicksearch.xml C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Calendar.Gadget\es-ES\js\calendar.js C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.equinox.p2.rcp.feature_1.2.0.v20140523-0116\feature.xml C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\hwrfrash.dat C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\EnterMerge.asx C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\de-DE\clock.html C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Travel\TravelIntroToMainMask.wmv C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\button-highlight.png C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\sv.txt C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Currency.Gadget\fr-FR\js\init.js C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.babel.nls_eclipse_ja_4.4.0.v20140623020002\eclipse_update_120.jpg C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Performance\Scene_loop_PAL.wmv C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\hwresmlm.dat C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.help_2.0.102.v20141007-2301\feature.xml C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\main\base_jpn.xml C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\nl.txt C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\Mozilla Firefox\install.log C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\Common Files\Microsoft Shared\Stationery\Connectivity.gif C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\it-IT\js\settings.js C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\it-IT\gadget.xml C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\VideoLAN\VLC\skins\winamp2.xml C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\config\Modules\org-netbeans-modules-profiler-heapwalker.xml C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-openide-util-enumerations.xml C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\ja-JP\picturePuzzle.html C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\Java\jdk1.7.0_80\include\win32\bridge\AccessBridgeCalls.c C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\it-IT\picturePuzzle.html C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\Windows Sidebar\Gadgets\MediaCenter.Gadget\images\button_left_mousedown.png C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\Java\jdk1.7.0_80\include\jdwpTransport.h C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\LayeredTitles\NavigationLeft_ButtonGraphic.png C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\ja.txt C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\Images\8.png C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-netbeans-core-multiview.xml C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\LayeredTitles\NavigationRight_ButtonGraphic.png C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-openide-nodes.xml C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\undocked_black_moon-waxing-crescent.png C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\ja-JP\css\clock.css C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\it-IT\css\settings.css C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\es-ES\settings.html C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-swing-plaf.xml C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\undocked_black_moon-waning-gibbous_partly-cloudy.png C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\btn-back-static.png C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\OldAge\NavigationRight_SelectionSubpicture.png C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\update_tracking\com-sun-tools-visualvm-attach.xml C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-spi-quicksearch.xml C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\lv.txt C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\Windows Sidebar\settings.ini C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\auxpad.xml C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Calendar.Gadget\images\bg-desk.png C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-modules-sampler.xml C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-modules-queries.xml C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Performance\NextMenuButtonIconSubpictur.png C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\LayeredTitles\NavigationRight_SelectionSubpicture.png C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\undocked_black_few-showers.png C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\Windows Sidebar\Gadgets\RSSFeeds.Gadget\en-US\css\RSSFeeds.css C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
File opened for modification C:\Program Files\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\it-IT\css\settings.css C:\Users\Admin\AppData\Local\Temp\inf.exe N/A

Enumerates physical storage devices

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\system32\WerFault.exe

Interacts with shadow copies

ransomware
Description Indicator Process Target
N/A N/A C:\Windows\system32\vssadmin.exe N/A
N/A N/A C:\Windows\system32\vssadmin.exe N/A
N/A N/A C:\Windows\system32\vssadmin.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\inf.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeBackupPrivilege N/A C:\Windows\system32\vssvc.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\system32\vssvc.exe N/A
Token: SeAuditPrivilege N/A C:\Windows\system32\vssvc.exe N/A

Suspicious use of UnmapMainImage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\inf.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1688 wrote to memory of 1664 N/A C:\Users\Admin\AppData\Local\Temp\inf.exe C:\Windows\system32\vssadmin.exe
PID 1688 wrote to memory of 1664 N/A C:\Users\Admin\AppData\Local\Temp\inf.exe C:\Windows\system32\vssadmin.exe
PID 1688 wrote to memory of 1664 N/A C:\Users\Admin\AppData\Local\Temp\inf.exe C:\Windows\system32\vssadmin.exe
PID 1688 wrote to memory of 1664 N/A C:\Users\Admin\AppData\Local\Temp\inf.exe C:\Windows\system32\vssadmin.exe
PID 1688 wrote to memory of 1528 N/A C:\Users\Admin\AppData\Local\Temp\inf.exe C:\Windows\system32\vssadmin.exe
PID 1688 wrote to memory of 1528 N/A C:\Users\Admin\AppData\Local\Temp\inf.exe C:\Windows\system32\vssadmin.exe
PID 1688 wrote to memory of 1528 N/A C:\Users\Admin\AppData\Local\Temp\inf.exe C:\Windows\system32\vssadmin.exe
PID 1688 wrote to memory of 1528 N/A C:\Users\Admin\AppData\Local\Temp\inf.exe C:\Windows\system32\vssadmin.exe
PID 1688 wrote to memory of 760 N/A C:\Users\Admin\AppData\Local\Temp\inf.exe C:\Windows\system32\vssadmin.exe
PID 1688 wrote to memory of 760 N/A C:\Users\Admin\AppData\Local\Temp\inf.exe C:\Windows\system32\vssadmin.exe
PID 1688 wrote to memory of 760 N/A C:\Users\Admin\AppData\Local\Temp\inf.exe C:\Windows\system32\vssadmin.exe
PID 1688 wrote to memory of 760 N/A C:\Users\Admin\AppData\Local\Temp\inf.exe C:\Windows\system32\vssadmin.exe
PID 1688 wrote to memory of 896 N/A C:\Users\Admin\AppData\Local\Temp\inf.exe C:\Windows\SysWOW64\cmd.exe
PID 1688 wrote to memory of 896 N/A C:\Users\Admin\AppData\Local\Temp\inf.exe C:\Windows\SysWOW64\cmd.exe
PID 1688 wrote to memory of 896 N/A C:\Users\Admin\AppData\Local\Temp\inf.exe C:\Windows\SysWOW64\cmd.exe
PID 1688 wrote to memory of 896 N/A C:\Users\Admin\AppData\Local\Temp\inf.exe C:\Windows\SysWOW64\cmd.exe
PID 896 wrote to memory of 816 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 896 wrote to memory of 816 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 896 wrote to memory of 816 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 896 wrote to memory of 816 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com

Processes

C:\Users\Admin\AppData\Local\Temp\inf.exe

"C:\Users\Admin\AppData\Local\Temp\inf.exe"

C:\Windows\system32\vssadmin.exe

C:\Windows\system32\vssadmin.exe List Shadows

C:\Windows\system32\vssvc.exe

C:\Windows\system32\vssvc.exe

C:\Windows\system32\vssadmin.exe

C:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet

C:\Windows\system32\vssadmin.exe

C:\Windows\system32\vssadmin.exe List Shadows

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe

C:\Windows\SysWOW64\chcp.com

chcp

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 1272 -s 1992

Network

Country Destination Domain Proto
N/A 127.0.0.1:49164 tcp
AT 86.59.21.38:443 tcp
JP 76.73.17.194:9090 tcp
US 208.83.223.34:80 tcp
DE 131.188.40.189:443 tcp
EE 88.196.80.132:443 tcp
SE 98.128.173.1:9001 tcp
NL 213.152.168.27:443 tcp
N/A 127.0.0.1:51387 tcp
N/A 127.0.0.1:51387 tcp
N/A 127.0.0.1:51387 tcp
N/A 127.0.0.1:51387 tcp
N/A 127.0.0.1:51387 tcp
N/A 127.0.0.1:51387 tcp

Files

memory/1688-54-0x0000000075F11000-0x0000000075F13000-memory.dmp

memory/1688-55-0x0000000000220000-0x00000000002F5000-memory.dmp

memory/1688-56-0x0000000000400000-0x0000000000608000-memory.dmp

memory/1688-57-0x0000000000400000-0x0000000000608000-memory.dmp

memory/1664-58-0x0000000000000000-mapping.dmp

memory/1528-59-0x0000000000000000-mapping.dmp

memory/760-60-0x0000000000000000-mapping.dmp

memory/896-61-0x0000000000000000-mapping.dmp

memory/816-62-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-04-04 03:31

Reported

2022-04-04 04:25

Platform

win10v2004-20220331-en

Max time kernel

149s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\inf.exe"

Signatures

Troldesh, Shade, Encoder.858

ransomware trojan troldesh

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-157025953-3125636059-437143553-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-157025953-3125636059-437143553-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" C:\Users\Admin\AppData\Local\Temp\inf.exe N/A

Checks installed software on the system

discovery

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\inf.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\inf.exe

"C:\Users\Admin\AppData\Local\Temp\inf.exe"

Network

Country Destination Domain Proto
IN 103.133.214.149:80 tcp
US 208.83.223.34:80 tcp
N/A 127.0.0.1:49713 tcp
US 52.109.12.19:443 tcp
NL 194.109.206.212:443 tcp
US 20.42.73.25:443 tcp
SE 178.79.212.129:80 tcp
SE 178.79.212.129:80 tcp
SE 178.79.212.129:80 tcp
US 8.8.8.8:53 14.110.152.52.in-addr.arpa udp
DE 131.188.40.189:443 tcp

Files

memory/3816-124-0x0000000002360000-0x0000000002435000-memory.dmp

memory/3816-125-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3816-126-0x0000000000400000-0x0000000000608000-memory.dmp