Malware Analysis Report

2025-01-02 14:26

Sample ID 241121-b1kpdaycjl
Target NoMoreRansom.exe
SHA256 2aab13d49b60001de3aa47fb8f7251a973faa7f3c53a3840cdf5fd0b26e9a09f
Tags
troldesh discovery persistence ransomware trojan upx
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

2aab13d49b60001de3aa47fb8f7251a973faa7f3c53a3840cdf5fd0b26e9a09f

Threat Level: Known bad

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

Malicious Activity Summary

troldesh discovery persistence ransomware trojan upx

Troldesh family

Troldesh, Shade, Encoder.858

Adds Run key to start application

UPX packed file

Unsigned PE

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of UnmapMainImage

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-21 01:36

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-21 01:36

Reported

2024-11-21 01:39

Platform

win7-20241010-en

Max time kernel

124s

Max time network

128s

Command Line

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

Signatures

Troldesh family

troldesh

Troldesh, Shade, Encoder.858

ransomware trojan troldesh

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" C:\Users\Admin\AppData\Local\Temp\NoMoreRansom.exe N/A

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

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\NoMoreRansom.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of UnmapMainImage

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

Processes

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

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

Network

Country Destination Domain Proto
US 154.35.32.5:443 tcp
N/A 127.0.0.1:49210 tcp
US 128.31.0.39:9101 tcp
DE 193.23.244.244:443 tcp

Files

memory/2172-0-0x0000000000330000-0x00000000003FE000-memory.dmp

memory/2172-1-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/2172-2-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/2172-3-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/2172-4-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/2172-6-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/2172-9-0x0000000000400000-0x00000000005DE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-21 01:36

Reported

2024-11-21 01:39

Platform

win10v2004-20241007-en

Max time kernel

140s

Max time network

151s

Command Line

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

Signatures

Troldesh family

troldesh

Troldesh, Shade, Encoder.858

ransomware trojan troldesh

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" C:\Users\Admin\AppData\Local\Temp\NoMoreRansom.exe N/A

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
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

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\NoMoreRansom.exe N/A

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
AT 86.59.21.38:443 tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
DE 193.23.244.244:443 tcp
US 8.8.8.8:53 244.244.23.193.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
N/A 127.0.0.1:55686 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp

Files

memory/3588-0-0x0000000002380000-0x000000000244E000-memory.dmp

memory/3588-1-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3588-2-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3588-3-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3588-4-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3588-5-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3588-9-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3588-10-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3588-11-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3588-12-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3588-13-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3588-14-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3588-17-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3588-18-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3588-19-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3588-20-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3588-21-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3588-22-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3588-23-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3588-24-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3588-25-0x0000000000400000-0x00000000005DE000-memory.dmp