Malware Analysis Report

2024-09-22 12:09

Sample ID 240414-rskx6scb2x
Target bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb
SHA256 bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb
Tags
troldesh discovery persistence ransomware spyware stealer 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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb

Threat Level: Known bad

The file bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb was found to be: Known bad.

Malicious Activity Summary

troldesh discovery persistence ransomware spyware stealer trojan upx

Troldesh, Shade, Encoder.858

UPX dump on OEP (original entry point)

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 Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-04-14 14:27

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-14 14:27

Reported

2024-04-14 14:29

Platform

win7-20240221-en

Max time kernel

127s

Max time network

133s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe"

Signatures

Troldesh, Shade, Encoder.858

ransomware trojan troldesh

UPX dump on OEP (original entry point)

Description Indicator Process Target
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Reads user/profile data of web browsers

spyware stealer

UPX packed file

upx
Description Indicator Process Target
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Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" C:\Users\Admin\AppData\Local\Temp\bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.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\bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe

"C:\Users\Admin\AppData\Local\Temp\bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe"

Network

Country Destination Domain Proto
NL 194.109.206.212:443 tcp
N/A 127.0.0.1:49203 tcp
SE 171.25.193.9:80 tcp
US 128.31.0.39:9101 tcp

Files

memory/1556-0-0x0000000000220000-0x00000000002F5000-memory.dmp

memory/1556-1-0x0000000000400000-0x0000000000608000-memory.dmp

memory/1556-2-0x0000000000400000-0x0000000000608000-memory.dmp

memory/1556-3-0x0000000000400000-0x0000000000608000-memory.dmp

memory/1556-4-0x0000000000400000-0x0000000000608000-memory.dmp

memory/1556-6-0x0000000000400000-0x0000000000608000-memory.dmp

memory/1556-5-0x0000000000400000-0x0000000000608000-memory.dmp

memory/1556-7-0x0000000000400000-0x0000000000608000-memory.dmp

memory/1556-11-0x0000000000220000-0x00000000002F5000-memory.dmp

memory/1556-12-0x0000000000400000-0x0000000000608000-memory.dmp

memory/1556-13-0x0000000000400000-0x0000000000608000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-14 14:27

Reported

2024-04-14 14:30

Platform

win10v2004-20240412-en

Max time kernel

146s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe"

Signatures

Troldesh, Shade, Encoder.858

ransomware trojan troldesh

UPX dump on OEP (original entry point)

Description Indicator Process Target
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Reads user/profile data of web browsers

spyware stealer

UPX packed file

upx
Description Indicator Process Target
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Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-553605503-2331009851-2137262461-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" C:\Users\Admin\AppData\Local\Temp\bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe N/A

Checks installed software on the system

discovery

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe

"C:\Users\Admin\AppData\Local\Temp\bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 45.19.74.20.in-addr.arpa udp
US 8.8.8.8:53 21.114.53.23.in-addr.arpa udp
SG 76.73.17.194:9090 tcp
N/A 127.0.0.1:59282 tcp
DE 193.23.244.244:443 tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 134.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 219.183.117.104.in-addr.arpa udp
SE 171.25.193.9:80 tcp
US 8.8.8.8:53 59.189.79.40.in-addr.arpa udp

Files

memory/4816-0-0x0000000002470000-0x0000000002545000-memory.dmp

memory/4816-1-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4816-2-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4816-3-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4816-4-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4816-6-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4816-8-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4816-11-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4816-12-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4816-13-0x0000000002470000-0x0000000002545000-memory.dmp

memory/4816-14-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4816-15-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4816-16-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4816-17-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4816-18-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4816-21-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4816-22-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4816-23-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4816-24-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4816-25-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4816-26-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4816-27-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4816-28-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4816-29-0x0000000000400000-0x0000000000608000-memory.dmp