Malware Analysis Report

2025-01-02 14:22

Sample ID 220507-ew5erseccm
Target msg.jpg
SHA256 4d00ce6c7237134b00cde4b24f1c6dfaffb031cf84845a8bae2a5e5ece8f5434
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

4d00ce6c7237134b00cde4b24f1c6dfaffb031cf84845a8bae2a5e5ece8f5434

Threat Level: Known bad

The file msg.jpg 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

2022-05-07 04:18

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-05-07 04:18

Reported

2022-05-07 04:28

Platform

win7-20220414-en

Max time kernel

145s

Max time network

129s

Command Line

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

Suspicious use of UnmapMainImage

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

Processes

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

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

Network

Country Destination Domain Proto
AT 86.59.21.38:443 tcp
N/A 127.0.0.1:49164 tcp
SE 171.25.193.9:80 tcp
FR 51.75.129.204:443 tcp
CZ 185.149.207.66:9001 tcp
US 144.126.135.222:9001 tcp
DE 144.76.154.13:9001 tcp
FR 51.75.129.204:443 tcp
US 144.126.135.222:9001 tcp
CZ 185.149.207.66:9001 tcp
N/A 127.0.0.1:42342 tcp

Files

memory/1068-55-0x0000000075C51000-0x0000000075C53000-memory.dmp

memory/1068-54-0x0000000000610000-0x00000000006E5000-memory.dmp

memory/1068-56-0x0000000000400000-0x0000000000608000-memory.dmp

memory/1068-57-0x0000000000400000-0x0000000000608000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-05-07 04:18

Reported

2022-05-07 04:28

Platform

win10v2004-20220414-en

Max time kernel

145s

Max time network

150s

Command Line

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

Processes

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

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

Network

Country Destination Domain Proto
US 93.184.221.240:80 tcp
N/A 127.0.0.1:49723 tcp
NL 194.109.206.212:443 tcp
US 13.89.178.27:443 tcp
JP 76.73.17.194:9090 tcp
US 93.184.221.240:80 tcp
US 13.107.4.50:80 tcp
US 8.8.8.8:53 96.108.152.52.in-addr.arpa udp
DE 131.188.40.189:443 tcp

Files

memory/3740-130-0x0000000002360000-0x0000000002435000-memory.dmp

memory/3740-131-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3740-132-0x0000000000400000-0x0000000000608000-memory.dmp