Malware Analysis Report

2024-09-22 12:00

Sample ID 240417-pedktsfh3z
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

Enumerates physical storage devices

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of UnmapMainImage

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-04-17 12:14

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 12:14

Reported

2024-04-17 12:20

Platform

win10-20240404-en

Max time kernel

193s

Max time network

306s

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-1-5-21-1904658062-880901768-3903781817-1000\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 127.0.0.1:49769 tcp
US 128.31.0.39:9101 tcp
US 154.35.32.5:443 tcp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
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 25.140.123.92.in-addr.arpa udp
US 8.8.8.8:53 13.173.189.20.in-addr.arpa udp
US 8.8.8.8:53 241.197.17.2.in-addr.arpa udp

Files

memory/3116-0-0x0000000000400000-0x000000000060B000-memory.dmp

memory/3116-1-0x0000000002260000-0x000000000232E000-memory.dmp

memory/3116-2-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3116-3-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3116-4-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3116-5-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3116-6-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3116-10-0x0000000000400000-0x000000000060B000-memory.dmp

memory/3116-11-0x0000000000400000-0x00000000005DE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-17 12:14

Reported

2024-04-17 12:20

Platform

win7-20240221-en

Max time kernel

124s

Max time network

198s

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-1-5-21-778096762-2241304387-192235952-1000\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
NL 194.109.206.212:443 tcp
N/A 127.0.0.1:49195 tcp
AT 86.59.21.38:443 tcp
DE 131.188.40.189:443 tcp

Files

memory/2184-0-0x0000000000400000-0x000000000060B000-memory.dmp

memory/2184-1-0x0000000000610000-0x00000000006DE000-memory.dmp

memory/2184-2-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/2184-3-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/2184-4-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/2184-5-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/2184-6-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/2184-10-0x0000000000400000-0x000000000060B000-memory.dmp

memory/2184-11-0x0000000000400000-0x00000000005DE000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2024-04-17 12:14

Reported

2024-04-17 12:20

Platform

win10-20240404-en

Max time kernel

300s

Max time network

304s

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-1-5-21-81807878-2351072935-4259904108-1000\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
DE 193.23.244.244:443 tcp
US 154.35.32.5:443 tcp
N/A 127.0.0.1:49773 tcp
US 8.8.8.8:53 244.244.23.193.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
SG 76.73.17.194:9090 tcp
US 8.8.8.8:53 169.253.116.51.in-addr.arpa udp
US 8.8.8.8:53 241.197.17.2.in-addr.arpa udp

Files

memory/2860-0-0x0000000000400000-0x000000000060B000-memory.dmp

memory/2860-1-0x0000000002250000-0x000000000231E000-memory.dmp

memory/2860-2-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/2860-3-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/2860-4-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/2860-5-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/2860-6-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/2860-10-0x0000000000400000-0x000000000060B000-memory.dmp

memory/2860-11-0x0000000000400000-0x00000000005DE000-memory.dmp

Analysis: behavioral4

Detonation Overview

Submitted

2024-04-17 12:14

Reported

2024-04-17 12:20

Platform

win10v2004-20240412-en

Max time kernel

124s

Max time network

266s

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-1-5-21-4084619521-2220719027-1909462854-1000\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 127.0.0.1:53291 tcp
US 8.8.8.8:53 76.32.126.40.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
US 154.35.32.5:443 tcp
US 8.8.8.8:53 81.40.53.23.in-addr.arpa udp
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
BE 2.17.197.240:80 tcp
US 208.83.223.34:80 tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 65.139.73.23.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 241.197.17.2.in-addr.arpa udp
AT 86.59.21.38:443 tcp

Files

memory/5008-0-0x0000000000400000-0x000000000060B000-memory.dmp

memory/5008-1-0x0000000002240000-0x000000000230E000-memory.dmp

memory/5008-2-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/5008-3-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/5008-4-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/5008-5-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/5008-6-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/5008-10-0x0000000000400000-0x000000000060B000-memory.dmp

memory/5008-11-0x0000000000400000-0x00000000005DE000-memory.dmp

Analysis: behavioral5

Detonation Overview

Submitted

2024-04-17 12:14

Reported

2024-04-17 12:20

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-1-5-21-3777591257-2471171023-3629228286-1000\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 127.0.0.1:49744 tcp
DE 131.188.40.189:443 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 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 208.83.223.34:80 tcp

Files

memory/4184-0-0x0000000000400000-0x000000000060B000-memory.dmp

memory/4184-1-0x0000000000CC0000-0x0000000000D8E000-memory.dmp

memory/4184-2-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/4184-3-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/4184-4-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/4184-5-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/4184-6-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/4184-10-0x0000000000400000-0x000000000060B000-memory.dmp

memory/4184-11-0x0000000000400000-0x00000000005DE000-memory.dmp