Malware Analysis Report

2025-01-02 14:24

Sample ID 220523-xs2htafedn
Target 018fb25850102c1d439fd091cf78afd117e66512ce6e243fdc4d3ac1ad5926dd
SHA256 018fb25850102c1d439fd091cf78afd117e66512ce6e243fdc4d3ac1ad5926dd
Tags
troldesh discovery persistence ransomware 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

018fb25850102c1d439fd091cf78afd117e66512ce6e243fdc4d3ac1ad5926dd

Threat Level: Known bad

The file 018fb25850102c1d439fd091cf78afd117e66512ce6e243fdc4d3ac1ad5926dd was found to be: Known bad.

Malicious Activity Summary

troldesh discovery persistence ransomware trojan upx

Troldesh, Shade, Encoder.858

UPX packed file

Adds Run key to start application

Checks installed software on the system

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious use of UnmapMainImage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-05-23 19:07

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-05-23 19:07

Reported

2022-05-23 19:11

Platform

win7-20220414-en

Max time kernel

13s

Max time network

9s

Command Line

"C:\Users\Admin\AppData\Local\Temp\018fb25850102c1d439fd091cf78afd117e66512ce6e243fdc4d3ac1ad5926dd.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
Set value (str) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" C:\Users\Admin\AppData\Local\Temp\018fb25850102c1d439fd091cf78afd117e66512ce6e243fdc4d3ac1ad5926dd.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ C:\Users\Admin\AppData\Local\Temp\018fb25850102c1d439fd091cf78afd117e66512ce6e243fdc4d3ac1ad5926dd.exe N/A

Checks installed software on the system

discovery

Enumerates physical storage devices

Suspicious use of UnmapMainImage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\018fb25850102c1d439fd091cf78afd117e66512ce6e243fdc4d3ac1ad5926dd.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\018fb25850102c1d439fd091cf78afd117e66512ce6e243fdc4d3ac1ad5926dd.exe

"C:\Users\Admin\AppData\Local\Temp\018fb25850102c1d439fd091cf78afd117e66512ce6e243fdc4d3ac1ad5926dd.exe"

Network

Country Destination Domain Proto
US 128.31.0.39:9101 tcp
N/A 127.0.0.1:49163 tcp
N/A 208.83.223.34:80 tcp

Files

memory/1652-54-0x0000000076721000-0x0000000076723000-memory.dmp

memory/1652-55-0x0000000000400000-0x0000000000608000-memory.dmp

memory/1652-56-0x0000000001DD0000-0x0000000001EA5000-memory.dmp

memory/1652-57-0x0000000000400000-0x0000000000608000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-05-23 19:07

Reported

2022-05-23 19:11

Platform

win10v2004-20220414-en

Max time kernel

9s

Max time network

29s

Command Line

"C:\Users\Admin\AppData\Local\Temp\018fb25850102c1d439fd091cf78afd117e66512ce6e243fdc4d3ac1ad5926dd.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-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ C:\Users\Admin\AppData\Local\Temp\018fb25850102c1d439fd091cf78afd117e66512ce6e243fdc4d3ac1ad5926dd.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" C:\Users\Admin\AppData\Local\Temp\018fb25850102c1d439fd091cf78afd117e66512ce6e243fdc4d3ac1ad5926dd.exe N/A

Checks installed software on the system

discovery

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\018fb25850102c1d439fd091cf78afd117e66512ce6e243fdc4d3ac1ad5926dd.exe

"C:\Users\Admin\AppData\Local\Temp\018fb25850102c1d439fd091cf78afd117e66512ce6e243fdc4d3ac1ad5926dd.exe"

Network

Country Destination Domain Proto
US 154.35.32.5:443 tcp
US 93.184.221.240:80 tcp
N/A 127.0.0.1:49724 tcp
US 209.197.3.8:80 tcp
US 52.109.12.20:443 tcp
AT 86.59.21.38:443 tcp

Files

memory/3588-130-0x00000000023B0000-0x0000000002485000-memory.dmp

memory/3588-131-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3588-132-0x0000000000400000-0x0000000000608000-memory.dmp