Malware Analysis Report

2024-09-22 12:02

Sample ID 240417-ha37csfh67
Target c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856
SHA256 c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856
Tags
upx troldesh persistence ransomware 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: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral5

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856

Threat Level: Known bad

The file c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856 was found to be: Known bad.

Malicious Activity Summary

upx troldesh persistence ransomware trojan

Troldesh, Shade, Encoder.858

UPX packed file

Adds Run key to start application

Unsigned PE

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious use of UnmapMainImage

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-04-17 06:32

Signatures

UPX packed file

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-17 06:32

Reported

2024-04-17 06:38

Platform

win10-20240404-en

Max time kernel

300s

Max time network

255s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.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

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\c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe

"C:\Users\Admin\AppData\Local\Temp\c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe"

Network

Country Destination Domain Proto
NL 194.109.206.212:443 tcp
N/A 127.0.0.1:49760 tcp
SE 171.25.193.9:80 tcp
US 8.8.8.8:53 9.193.25.171.in-addr.arpa udp
US 8.8.8.8:53 170.253.116.51.in-addr.arpa udp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp

Files

memory/4684-0-0x0000000000400000-0x000000000060B000-memory.dmp

memory/4684-1-0x0000000002210000-0x00000000022DE000-memory.dmp

memory/4684-2-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/4684-3-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/4684-4-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/4684-5-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/4684-6-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/4684-10-0x0000000000400000-0x000000000060B000-memory.dmp

memory/4684-11-0x0000000000400000-0x00000000005DE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-17 06:32

Reported

2024-04-17 06:38

Platform

win7-20240221-en

Max time kernel

144s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" C:\Users\Admin\AppData\Local\Temp\c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe N/A

Enumerates physical storage devices

Suspicious use of UnmapMainImage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe

"C:\Users\Admin\AppData\Local\Temp\c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe"

Network

Country Destination Domain Proto
N/A 127.0.0.1:49196 tcp
US 128.31.0.39:9101 tcp
NL 194.109.206.212:443 tcp
US 208.83.223.34:80 tcp

Files

memory/2380-0-0x0000000000400000-0x000000000060B000-memory.dmp

memory/2380-1-0x0000000000610000-0x00000000006DE000-memory.dmp

memory/2380-2-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/2380-3-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/2380-4-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/2380-5-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/2380-6-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/2380-10-0x0000000000400000-0x000000000060B000-memory.dmp

memory/2380-11-0x0000000000400000-0x00000000005DE000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2024-04-17 06:32

Reported

2024-04-17 06:38

Platform

win10-20240404-en

Max time kernel

194s

Max time network

254s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-873560699-1074803302-2326074425-1000\Software\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" C:\Users\Admin\AppData\Local\Temp\c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe

"C:\Users\Admin\AppData\Local\Temp\c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe"

Network

Country Destination Domain Proto
N/A 127.0.0.1:49777 tcp
DE 193.23.244.244:443 tcp
US 154.35.32.5:443 tcp
US 8.8.8.8:53 244.244.23.193.in-addr.arpa udp
US 8.8.8.8:53 0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.0.8.0.8.0.8.0.ip6.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
SE 171.25.193.9:80 tcp
US 8.8.8.8:53 9.193.25.171.in-addr.arpa udp
US 8.8.8.8:53 131.72.42.20.in-addr.arpa udp
US 8.8.8.8:53 91.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp

Files

memory/5080-0-0x0000000000400000-0x000000000060B000-memory.dmp

memory/5080-1-0x0000000002310000-0x00000000023DE000-memory.dmp

memory/5080-2-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/5080-3-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/5080-4-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/5080-5-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/5080-6-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/5080-10-0x0000000000400000-0x000000000060B000-memory.dmp

memory/5080-11-0x0000000000400000-0x00000000005DE000-memory.dmp

Analysis: behavioral4

Detonation Overview

Submitted

2024-04-17 06:32

Reported

2024-04-17 06:38

Platform

win10v2004-20240412-en

Max time kernel

300s

Max time network

281s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" C:\Users\Admin\AppData\Local\Temp\c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe

"C:\Users\Admin\AppData\Local\Temp\c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 138.32.126.40.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 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
N/A 127.0.0.1:53202 tcp
DE 131.188.40.189:443 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
US 8.8.8.8:53 189.40.188.131.in-addr.arpa udp
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 65.139.73.23.in-addr.arpa udp
US 208.83.223.34:80 tcp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/2552-0-0x0000000000400000-0x000000000060B000-memory.dmp

memory/2552-1-0x0000000002280000-0x000000000234E000-memory.dmp

memory/2552-2-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/2552-3-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/2552-4-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/2552-5-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/2552-6-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/2552-11-0x0000000000400000-0x000000000060B000-memory.dmp

memory/2552-13-0x0000000000400000-0x00000000005DE000-memory.dmp

Analysis: behavioral5

Detonation Overview

Submitted

2024-04-17 06:32

Reported

2024-04-17 06:38

Platform

win11-20240412-en

Max time kernel

90s

Max time network

202s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-834482027-582050234-2368284635-1000\Software\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" C:\Users\Admin\AppData\Local\Temp\c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe

"C:\Users\Admin\AppData\Local\Temp\c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe"

Network

Country Destination Domain Proto
N/A 127.0.0.1:49751 tcp
SG 76.73.17.194:9090 tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
SE 171.25.193.9:80 tcp

Files

memory/1968-0-0x0000000000400000-0x000000000060B000-memory.dmp

memory/1968-1-0x0000000000D00000-0x0000000000DCE000-memory.dmp

memory/1968-2-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/1968-3-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/1968-4-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/1968-5-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/1968-7-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/1968-10-0x0000000000400000-0x000000000060B000-memory.dmp

memory/1968-11-0x0000000000400000-0x00000000005DE000-memory.dmp