Malware Analysis Report

2024-09-22 12:34

Sample ID 240718-kp44ba1djj
Target yfwadguyawgdwagudywag.exe
SHA256 2aab13d49b60001de3aa47fb8f7251a973faa7f3c53a3840cdf5fd0b26e9a09f
Tags
troldesh persistence ransomware trojan upx
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

2aab13d49b60001de3aa47fb8f7251a973faa7f3c53a3840cdf5fd0b26e9a09f

Threat Level: Known bad

The file yfwadguyawgdwagudywag.exe was found to be: Known bad.

Malicious Activity Summary

troldesh persistence ransomware trojan upx

Troldesh, Shade, Encoder.858

UPX packed file

Adds Run key to start application

Unsigned PE

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-07-18 08:47

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-18 08:47

Reported

2024-07-18 08:51

Platform

win10-20240404-en

Max time kernel

100s

Max time network

86s

Command Line

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

Signatures

Troldesh, Shade, Encoder.858

ransomware trojan troldesh

UPX packed file

upx
Description Indicator Process Target
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Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000\Software\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" C:\Users\Admin\AppData\Local\Temp\yfwadguyawgdwagudywag.exe N/A

Enumerates physical storage devices

Processes

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

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

Network

Country Destination Domain Proto
N/A 127.0.0.1:49771 tcp
US 208.83.223.34:80 tcp
DE 131.188.40.189:443 tcp
US 8.8.8.8:53 189.40.188.131.in-addr.arpa udp
US 20.231.121.79:80 tcp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp

Files

memory/1916-0-0x00000000022D0000-0x000000000239E000-memory.dmp

memory/1916-1-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/1916-2-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/1916-3-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/1916-6-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/1916-4-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/1916-9-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/1916-10-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/1916-11-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/1916-12-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/1916-13-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/1916-14-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/1916-17-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/1916-18-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/1916-19-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/1916-20-0x0000000000400000-0x00000000005DE000-memory.dmp