Malware Analysis Report

2025-01-02 14:23

Sample ID 220422-affdgshec7
Target inf.inf
SHA256 fd03dd58aa7cb5236f4df8cde3fb07af304c6f402cd48b86eefcecb8e7b86883
Tags
troldesh discovery persistence ransomware trojan upx spyware stealer
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 trojan upx spyware stealer

Troldesh, Shade, Encoder.858

UPX packed file

Reads user/profile data of web browsers

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

2022-04-22 00:09

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-04-22 00:09

Reported

2022-04-22 00:15

Platform

win7-20220414-en

Max time kernel

152s

Max time network

174s

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-1-5-21-2277218442-1199762539-2004043321-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\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

Suspicious use of UnmapMainImage

Description Indicator Process Target
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
N/A 127.0.0.1:49164 tcp
US 128.31.0.39:9101 tcp
AT 86.59.21.38:443 tcp
JP 76.73.17.194:9090 tcp
EE 95.153.31.26:443 tcp
FR 5.39.69.166:9001 tcp
HU 185.163.204.206:9001 tcp
N/A 127.0.0.1:53338 tcp
N/A 127.0.0.1:53338 tcp

Files

memory/1792-54-0x0000000076461000-0x0000000076463000-memory.dmp

memory/1792-55-0x0000000000260000-0x0000000000335000-memory.dmp

memory/1792-56-0x0000000000400000-0x0000000000608000-memory.dmp

memory/1792-57-0x0000000000400000-0x0000000000608000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-04-22 00:09

Reported

2022-04-22 00:14

Platform

win10v2004-20220414-en

Max time kernel

150s

Max time network

154s

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

Reads user/profile data of web browsers

spyware stealer

Adds Run key to start application

persistence
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ C:\Users\Admin\AppData\Local\Temp\inf.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\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
US 52.109.12.18:443 tcp
N/A 127.0.0.1:49737 tcp
FR 2.18.109.224:443 tcp
FR 2.18.109.224:443 storesdk.dsx.mp.microsoft.com tcp
AT 86.59.21.38:443 tcp
SE 171.25.193.9:80 tcp
FR 51.178.82.201:9001 tcp
EE 88.196.80.132:443 tcp
JP 123.48.187.86:9001 tcp
N/A 127.0.0.1:45798 tcp
N/A 127.0.0.1:45798 tcp
US 20.189.173.1:443 tcp
NL 178.79.208.1:80 tcp
US 104.18.25.243:80 tcp
N/A 127.0.0.1:45798 tcp
N/A 127.0.0.1:45798 tcp

Files

memory/3152-130-0x0000000002370000-0x0000000002445000-memory.dmp

memory/3152-131-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3152-132-0x0000000000400000-0x0000000000608000-memory.dmp