Malware Analysis Report

2024-09-22 12:01

Sample ID 240416-xcg48sba9y
Target NoMoreRansom.zip
SHA256 5cbb6442c47708558da29588e0d8ef0b34c4716be4a47e7c715ea844fbcf60d7
Tags
troldesh persistence ransomware trojan upx
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 Overview

score
10/10

SHA256

5cbb6442c47708558da29588e0d8ef0b34c4716be4a47e7c715ea844fbcf60d7

Threat Level: Known bad

The file NoMoreRansom.zip was found to be: Known bad.

Malicious Activity Summary

troldesh persistence ransomware trojan upx

Troldesh, Shade, Encoder.858

UPX packed file

Adds Run key to start application

Modifies data under HKEY_USERS

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-04-16 18:42

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-16 18:42

Reported

2024-04-16 18:44

Platform

win10v2004-20240412-en

Max time kernel

122s

Max time network

123s

Command Line

C:\Windows\Explorer.exe /idlist,,C:\Users\Admin\AppData\Local\Temp\NoMoreRansom.zip

Signatures

Troldesh, Shade, Encoder.858

ransomware trojan troldesh

UPX packed file

upx
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Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" C:\Users\Admin\Desktop\[email protected] N/A

Modifies data under HKEY_USERS

Description Indicator Process Target
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040" C:\Windows\system32\LogonUI.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040" C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808" C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10" C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "168" C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1" C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271" C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1" C:\Windows\system32\LogonUI.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00 C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0" C:\Windows\system32\LogonUI.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271" C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89" C:\Windows\system32\LogonUI.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\system32\LogonUI.exe N/A

Processes

C:\Windows\Explorer.exe

C:\Windows\Explorer.exe /idlist,,C:\Users\Admin\AppData\Local\Temp\NoMoreRansom.zip

C:\Windows\System32\rundll32.exe

C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding

C:\Users\Admin\Desktop\[email protected]

"C:\Users\Admin\Desktop\[email protected]"

C:\Users\Admin\Desktop\[email protected]

"C:\Users\Admin\Desktop\[email protected]"

C:\Users\Admin\Desktop\[email protected]

"C:\Users\Admin\Desktop\[email protected]"

C:\Windows\system32\LogonUI.exe

"LogonUI.exe" /flags:0x4 /state0:0xa395f055 /state1:0x41c64e6d

Network

Country Destination Domain Proto
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 216.183.117.104.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 25.63.96.20.in-addr.arpa udp
US 8.8.8.8:53 11.2.37.23.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 121.118.77.104.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
N/A 127.0.0.1:57705 tcp
DE 131.188.40.189:443 tcp
US 8.8.8.8:53 189.40.188.131.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
N/A 127.0.0.1:57716 tcp
N/A 127.0.0.1:57727 tcp
US 8.8.8.8:53 16.173.189.20.in-addr.arpa udp

Files

memory/3056-0-0x0000000000780000-0x000000000084E000-memory.dmp

memory/3056-1-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3056-2-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3056-3-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3056-4-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3056-5-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3056-9-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/4672-10-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/4672-11-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/4672-12-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3056-13-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3056-14-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/4672-15-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3056-18-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3700-19-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3700-21-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3056-22-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3700-23-0x0000000000400000-0x00000000005DE000-memory.dmp