Malware Analysis Report

2024-09-22 11:56

Sample ID 240414-n5574agd68
Target inf.inf
SHA256 fd03dd58aa7cb5236f4df8cde3fb07af304c6f402cd48b86eefcecb8e7b86883
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: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

fd03dd58aa7cb5236f4df8cde3fb07af304c6f402cd48b86eefcecb8e7b86883

Threat Level: Known bad

The file inf.inf was found to be: Known bad.

Malicious Activity Summary

troldesh discovery persistence ransomware spyware stealer trojan upx

Troldesh, Shade, Encoder.858

Reads user/profile data of web browsers

UPX packed file

Adds Run key to start application

Checks installed software on the system

Unsigned PE

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious use of UnmapMainImage

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-04-14 11:59

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-14 11:59

Reported

2024-04-14 12:02

Platform

win7-20240221-en

Max time kernel

123s

Max time network

133s

Command Line

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

Signatures

Troldesh, Shade, Encoder.858

ransomware trojan troldesh

Reads user/profile data of web browsers

spyware stealer

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
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Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" C:\Users\Admin\AppData\Local\Temp\inf.exe N/A

Checks installed software on the system

discovery

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of UnmapMainImage

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

Processes

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

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

Network

Country Destination Domain Proto
N/A 127.0.0.1:49191 tcp
SG 76.73.17.194:9090 tcp
NL 194.109.206.212:443 tcp
US 208.83.223.34:80 tcp

Files

memory/1712-0-0x0000000001F50000-0x0000000002025000-memory.dmp

memory/1712-2-0x0000000000400000-0x0000000000608000-memory.dmp

memory/1712-1-0x0000000000400000-0x0000000000608000-memory.dmp

memory/1712-3-0x0000000000400000-0x0000000000608000-memory.dmp

memory/1712-4-0x0000000000400000-0x0000000000608000-memory.dmp

memory/1712-5-0x0000000000400000-0x0000000000608000-memory.dmp

memory/1712-6-0x0000000000400000-0x0000000000608000-memory.dmp

memory/1712-9-0x0000000000400000-0x0000000000608000-memory.dmp

memory/1712-11-0x0000000000400000-0x0000000000608000-memory.dmp

memory/1712-12-0x0000000001F50000-0x0000000002025000-memory.dmp

memory/1712-13-0x0000000000400000-0x0000000000608000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-14 11:59

Reported

2024-04-14 12:02

Platform

win10-20240404-en

Max time kernel

141s

Max time network

144s

Command Line

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

Signatures

Troldesh, Shade, Encoder.858

ransomware trojan troldesh

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-1-5-21-3968772205-1713802336-1776639840-1000\Software\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" C:\Users\Admin\AppData\Local\Temp\inf.exe N/A

Checks installed software on the system

discovery

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

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

Processes

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

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

Network

Country Destination Domain Proto
N/A 127.0.0.1:49770 tcp
US 208.83.223.34:80 tcp
NL 194.109.206.212:443 tcp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
SE 171.25.193.9:80 tcp
US 8.8.8.8:53 89.16.208.104.in-addr.arpa udp
US 8.8.8.8:53 138.107.17.2.in-addr.arpa udp

Files

memory/4196-0-0x00000000022D0000-0x00000000023A5000-memory.dmp

memory/4196-1-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4196-2-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4196-3-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4196-4-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4196-5-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4196-8-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4196-11-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4196-12-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4196-13-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4196-14-0x00000000022D0000-0x00000000023A5000-memory.dmp

memory/4196-15-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4196-16-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4196-17-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4196-20-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4196-21-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4196-22-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4196-23-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4196-24-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4196-25-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4196-26-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4196-27-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4196-28-0x0000000000400000-0x0000000000608000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2024-04-14 11:59

Reported

2024-04-14 12:02

Platform

win10v2004-20240412-en

Max time kernel

140s

Max time network

149s

Command Line

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

Signatures

Troldesh, Shade, Encoder.858

ransomware trojan troldesh

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-1-5-21-2177723727-746291240-1644359950-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" C:\Users\Admin\AppData\Local\Temp\inf.exe N/A

Checks installed software on the system

discovery

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

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

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 152.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
AT 86.59.21.38:443 tcp
N/A 127.0.0.1:54631 tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 21.114.53.23.in-addr.arpa udp
SE 171.25.193.9:80 tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 65.139.73.23.in-addr.arpa udp
US 8.8.8.8:53 203.142.123.92.in-addr.arpa udp
IE 52.111.236.23:443 tcp
US 8.8.8.8:53 138.107.17.2.in-addr.arpa udp
US 208.83.223.34:80 tcp

Files

memory/3804-0-0x0000000002360000-0x0000000002435000-memory.dmp

memory/3804-1-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3804-2-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3804-3-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3804-4-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3804-5-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3804-8-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3804-11-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3804-12-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3804-13-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3804-14-0x0000000002360000-0x0000000002435000-memory.dmp

memory/3804-15-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3804-16-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3804-17-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3804-18-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3804-19-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3804-22-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3804-23-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3804-24-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3804-25-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3804-26-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3804-27-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3804-28-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3804-29-0x0000000000400000-0x0000000000608000-memory.dmp

Analysis: behavioral4

Detonation Overview

Submitted

2024-04-14 11:59

Reported

2024-04-14 12:02

Platform

win11-20240412-en

Max time kernel

149s

Max time network

150s

Command Line

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

Signatures

Troldesh, Shade, Encoder.858

ransomware trojan troldesh

Reads user/profile data of web browsers

spyware stealer

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
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Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3777591257-2471171023-3629228286-1000\Software\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" C:\Users\Admin\AppData\Local\Temp\inf.exe N/A

Checks installed software on the system

discovery

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

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

Processes

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

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

Network

Country Destination Domain Proto
SE 171.25.193.9:80 tcp
N/A 127.0.0.1:49744 tcp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 154.35.32.5:443 tcp
SG 76.73.17.194:9090 tcp

Files

memory/2724-0-0x00000000024F0000-0x00000000025C5000-memory.dmp

memory/2724-1-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2724-2-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2724-3-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2724-4-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2724-5-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2724-6-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2724-8-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2724-11-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2724-12-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2724-13-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2724-14-0x00000000024F0000-0x00000000025C5000-memory.dmp

memory/2724-15-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2724-16-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2724-17-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2724-18-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2724-21-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2724-22-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2724-23-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2724-24-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2724-25-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2724-26-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2724-27-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2724-28-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2724-29-0x0000000000400000-0x0000000000608000-memory.dmp