Malware Analysis Report

2024-09-22 12:26

Sample ID 220731-f17w5aade2
Target 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02
SHA256 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02
Tags
upx troldesh discovery persistence ransomware spyware stealer trojan
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02

Threat Level: Known bad

The file 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02 was found to be: Known bad.

Malicious Activity Summary

upx troldesh discovery persistence ransomware spyware stealer trojan

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

Suspicious use of SetThreadContext

Drops file in Windows directory

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix V6

Analysis: static1

Detonation Overview

Reported

2022-07-31 05:21

Signatures

UPX packed file

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

Analysis: behavioral1

Detonation Overview

Submitted

2022-07-31 05:21

Reported

2022-07-31 07:53

Platform

win7-20220715-en

Max time kernel

145s

Max time network

157s

Command Line

"C:\Users\Admin\AppData\Local\Temp\94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.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
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
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
Set value (str) \REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" C:\Users\Admin\AppData\Local\Temp\94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ C:\Users\Admin\AppData\Local\Temp\94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe N/A

Checks installed software on the system

discovery

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\ C:\Users\Admin\AppData\Local\Temp\94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe

"C:\Users\Admin\AppData\Local\Temp\94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe"

C:\Users\Admin\AppData\Local\Temp\94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe

C:\Users\Admin\AppData\Local\Temp\94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe

Network

Country Destination Domain Proto
N/A 127.0.0.1:49179 tcp
US 208.83.223.34:80 tcp
US 128.31.0.39:9101 tcp
NL 194.109.206.212:443 tcp
DE 193.23.244.244:443 tcp
DE 78.46.202.212:9010 tcp
CH 178.39.63.206:9443 tcp
DE 78.54.103.227:443 tcp
N/A 127.0.0.1:63165 tcp
N/A 127.0.0.1:63165 tcp
N/A 127.0.0.1:63165 tcp
N/A 127.0.0.1:63165 tcp
N/A 127.0.0.1:63165 tcp

Files

memory/900-54-0x00000000754C1000-0x00000000754C3000-memory.dmp

memory/900-55-0x0000000000400000-0x000000000062A000-memory.dmp

memory/900-56-0x0000000000400000-0x000000000062A000-memory.dmp

memory/900-57-0x00000000002A0000-0x00000000002D4000-memory.dmp

memory/944-58-0x0000000000400000-0x0000000000608000-memory.dmp

memory/944-63-0x0000000000605CB0-mapping.dmp

memory/944-64-0x0000000000400000-0x0000000000608000-memory.dmp

memory/944-66-0x0000000000400000-0x0000000000608000-memory.dmp

memory/944-67-0x0000000000400000-0x0000000000608000-memory.dmp

memory/900-68-0x0000000004350000-0x000000000457A000-memory.dmp

memory/900-70-0x0000000000400000-0x000000000062A000-memory.dmp

memory/944-69-0x0000000000400000-0x0000000000608000-memory.dmp

memory/944-71-0x0000000000400000-0x0000000000608000-memory.dmp

memory/944-72-0x0000000000400000-0x0000000000608000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-07-31 05:21

Reported

2022-07-31 07:52

Platform

win10v2004-20220722-en

Max time kernel

157s

Max time network

164s

Command Line

"C:\Users\Admin\AppData\Local\Temp\94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.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
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
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-1-5-21-3463845317-933582289-45817732-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ C:\Users\Admin\AppData\Local\Temp\94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3463845317-933582289-45817732-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" C:\Users\Admin\AppData\Local\Temp\94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe N/A

Checks installed software on the system

discovery

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\ C:\Users\Admin\AppData\Local\Temp\94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe

"C:\Users\Admin\AppData\Local\Temp\94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe"

C:\Users\Admin\AppData\Local\Temp\94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe

C:\Users\Admin\AppData\Local\Temp\94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe

Network

Country Destination Domain Proto
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
SG 76.73.17.194:9090 tcp
N/A 127.0.0.1:49760 tcp
DE 193.23.244.244:443 tcp
US 128.31.0.39:9101 tcp
DE 81.169.255.125:9001 tcp
CH 185.147.10.85:443 tcp
DE 176.9.40.131:443 tcp
N/A 127.0.0.1:15889 tcp

Files

memory/4888-132-0x0000000000400000-0x000000000062A000-memory.dmp

memory/4888-133-0x0000000000400000-0x000000000062A000-memory.dmp

memory/4888-134-0x0000000003360000-0x0000000003394000-memory.dmp

memory/3088-135-0x0000000000000000-mapping.dmp

memory/3088-136-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3088-141-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3088-142-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3088-144-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3088-145-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3088-146-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4888-147-0x0000000000400000-0x000000000062A000-memory.dmp

memory/3088-148-0x0000000000400000-0x0000000000608000-memory.dmp