Malware Analysis Report

2025-01-02 14:22

Sample ID 220320-gyvz8ahhf6
Target ea3d71e7b8cb5d222744d4c2252b72924bed51a63119e8990a85fb17ff93f004
SHA256 ea3d71e7b8cb5d222744d4c2252b72924bed51a63119e8990a85fb17ff93f004
Tags
troldesh discovery persistence ransomware spyware stealer 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

ea3d71e7b8cb5d222744d4c2252b72924bed51a63119e8990a85fb17ff93f004

Threat Level: Known bad

The file ea3d71e7b8cb5d222744d4c2252b72924bed51a63119e8990a85fb17ff93f004 was found to be: Known bad.

Malicious Activity Summary

troldesh discovery persistence ransomware spyware stealer trojan upx

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

2022-03-20 06:13

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-03-20 06:13

Reported

2022-03-20 21:34

Platform

win7-20220311-en

Max time kernel

4294213s

Max time network

163s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ea3d71e7b8cb5d222744d4c2252b72924bed51a63119e8990a85fb17ff93f004.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-1-5-21-2199625441-3471261906-229485034-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ C:\Users\Admin\AppData\Local\Temp\ea3d71e7b8cb5d222744d4c2252b72924bed51a63119e8990a85fb17ff93f004.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" C:\Users\Admin\AppData\Local\Temp\ea3d71e7b8cb5d222744d4c2252b72924bed51a63119e8990a85fb17ff93f004.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\ea3d71e7b8cb5d222744d4c2252b72924bed51a63119e8990a85fb17ff93f004.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ea3d71e7b8cb5d222744d4c2252b72924bed51a63119e8990a85fb17ff93f004.exe

"C:\Users\Admin\AppData\Local\Temp\ea3d71e7b8cb5d222744d4c2252b72924bed51a63119e8990a85fb17ff93f004.exe"

Network

Country Destination Domain Proto
N/A 127.0.0.1:49164 tcp
JP 76.73.17.194:9090 tcp
DE 193.23.244.244:443 tcp
HU 185.163.204.206:9001 tcp
FR 51.75.129.204:443 tcp
FR 145.239.66.236:9001 tcp
N/A 127.0.0.1:15128 tcp
N/A 127.0.0.1:15128 tcp
N/A 127.0.0.1:15128 tcp
N/A 127.0.0.1:15128 tcp

Files

memory/1104-54-0x00000000760A1000-0x00000000760A3000-memory.dmp

memory/1104-55-0x0000000000610000-0x00000000006E5000-memory.dmp

memory/1104-56-0x0000000000400000-0x0000000000608000-memory.dmp

memory/1104-57-0x0000000000400000-0x0000000000608000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-03-20 06:13

Reported

2022-03-20 21:34

Platform

win10v2004-20220310-en

Max time kernel

162s

Max time network

181s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ea3d71e7b8cb5d222744d4c2252b72924bed51a63119e8990a85fb17ff93f004.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-1-5-21-2403053463-4052593947-3703345493-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ C:\Users\Admin\AppData\Local\Temp\ea3d71e7b8cb5d222744d4c2252b72924bed51a63119e8990a85fb17ff93f004.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" C:\Users\Admin\AppData\Local\Temp\ea3d71e7b8cb5d222744d4c2252b72924bed51a63119e8990a85fb17ff93f004.exe N/A

Checks installed software on the system

discovery

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\ea3d71e7b8cb5d222744d4c2252b72924bed51a63119e8990a85fb17ff93f004.exe

"C:\Users\Admin\AppData\Local\Temp\ea3d71e7b8cb5d222744d4c2252b72924bed51a63119e8990a85fb17ff93f004.exe"

Network

Country Destination Domain Proto
US 104.208.16.90:443 tcp
US 93.184.220.29:80 tcp
NL 104.110.191.133:80 tcp
US 8.8.8.8:53 crl4.digicert.com udp
US 93.184.220.29:80 crl4.digicert.com tcp
US 93.184.220.29:80 crl4.digicert.com tcp
US 93.184.220.29:80 crl4.digicert.com tcp
N/A 127.0.0.1:49755 tcp
US 208.83.223.34:80 tcp
JP 76.73.17.194:9090 tcp

Files

memory/3976-134-0x00000000023C0000-0x0000000002495000-memory.dmp

memory/3976-135-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3976-136-0x0000000000400000-0x0000000000608000-memory.dmp