Malware Analysis Report

2025-01-02 14:21

Sample ID 220524-p7877sbde2
Target 00a593a3bf42c510c0e3e13305a17d628f2af494f26e5f60bb93880c3f55a79d
SHA256 00a593a3bf42c510c0e3e13305a17d628f2af494f26e5f60bb93880c3f55a79d
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

00a593a3bf42c510c0e3e13305a17d628f2af494f26e5f60bb93880c3f55a79d

Threat Level: Known bad

The file 00a593a3bf42c510c0e3e13305a17d628f2af494f26e5f60bb93880c3f55a79d 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

2022-05-24 12:59

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-05-24 12:59

Reported

2022-05-24 13:05

Platform

win7-20220414-en

Max time kernel

9s

Max time network

132s

Command Line

"C:\Users\Admin\AppData\Local\Temp\00a593a3bf42c510c0e3e13305a17d628f2af494f26e5f60bb93880c3f55a79d.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-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" C:\Users\Admin\AppData\Local\Temp\00a593a3bf42c510c0e3e13305a17d628f2af494f26e5f60bb93880c3f55a79d.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ C:\Users\Admin\AppData\Local\Temp\00a593a3bf42c510c0e3e13305a17d628f2af494f26e5f60bb93880c3f55a79d.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\00a593a3bf42c510c0e3e13305a17d628f2af494f26e5f60bb93880c3f55a79d.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\00a593a3bf42c510c0e3e13305a17d628f2af494f26e5f60bb93880c3f55a79d.exe

"C:\Users\Admin\AppData\Local\Temp\00a593a3bf42c510c0e3e13305a17d628f2af494f26e5f60bb93880c3f55a79d.exe"

Network

Country Destination Domain Proto
NL 194.109.206.212:443 tcp
US 208.83.223.34:80 tcp
N/A 127.0.0.1:49165 tcp
US 128.31.0.39:9101 tcp

Files

memory/684-54-0x00000000753B1000-0x00000000753B3000-memory.dmp

memory/684-55-0x0000000000400000-0x0000000000608000-memory.dmp

memory/684-56-0x0000000000310000-0x00000000003E5000-memory.dmp

memory/684-57-0x0000000000400000-0x0000000000608000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-05-24 12:59

Reported

2022-05-24 13:05

Platform

win10v2004-20220414-en

Max time kernel

37s

Max time network

36s

Command Line

"C:\Users\Admin\AppData\Local\Temp\00a593a3bf42c510c0e3e13305a17d628f2af494f26e5f60bb93880c3f55a79d.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\00a593a3bf42c510c0e3e13305a17d628f2af494f26e5f60bb93880c3f55a79d.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\00a593a3bf42c510c0e3e13305a17d628f2af494f26e5f60bb93880c3f55a79d.exe N/A

Checks installed software on the system

discovery

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\00a593a3bf42c510c0e3e13305a17d628f2af494f26e5f60bb93880c3f55a79d.exe

"C:\Users\Admin\AppData\Local\Temp\00a593a3bf42c510c0e3e13305a17d628f2af494f26e5f60bb93880c3f55a79d.exe"

Network

Country Destination Domain Proto
DE 131.188.40.189:443 tcp
N/A 127.0.0.1:49718 tcp
N/A 145.239.66.236:9001 tcp
N/A 84.234.250.30:9003 tcp
N/A 95.216.3.171:9001 tcp
N/A 40.125.122.176:443 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
N/A 40.125.122.151:443 tcp

Files

memory/3420-130-0x0000000002340000-0x0000000002415000-memory.dmp

memory/3420-131-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3420-132-0x0000000000400000-0x0000000000608000-memory.dmp