Malware Analysis Report

2025-01-02 14:24

Sample ID 220520-rz1bfaggb8
Target 024b02d137ad6deca01737a18160e4406d05e919dab228704646fbe23fd34153
SHA256 024b02d137ad6deca01737a18160e4406d05e919dab228704646fbe23fd34153
Tags
troldesh discovery persistence ransomware trojan upx
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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

024b02d137ad6deca01737a18160e4406d05e919dab228704646fbe23fd34153

Threat Level: Known bad

The file 024b02d137ad6deca01737a18160e4406d05e919dab228704646fbe23fd34153 was found to be: Known bad.

Malicious Activity Summary

troldesh discovery persistence ransomware trojan upx

Troldesh, Shade, Encoder.858

Blocklisted process makes network request

Downloads MZ/PE file

Executes dropped EXE

UPX packed file

Deletes itself

Checks computer location settings

Checks installed software on the system

Adds Run key to start application

Enumerates physical storage devices

Suspicious behavior: CmdExeWriteProcessMemorySpam

Suspicious use of UnmapMainImage

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-05-20 14:38

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-05-20 14:38

Reported

2022-05-20 15:55

Platform

win7-20220414-en

Max time kernel

146s

Max time network

155s

Command Line

wscript.exe C:\Users\Admin\AppData\Local\Temp\024b02d137ad6deca01737a18160e4406d05e919dab228704646fbe23fd34153.js

Signatures

Troldesh, Shade, Encoder.858

ransomware trojan troldesh

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\system32\wscript.exe N/A
N/A N/A C:\Windows\system32\wscript.exe N/A

Downloads MZ/PE file

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\rad1467B.tmp 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

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\system32\wscript.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ C:\Users\Admin\AppData\Local\Temp\rad1467B.tmp N/A
Set value (str) \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" C:\Users\Admin\AppData\Local\Temp\rad1467B.tmp N/A

Checks installed software on the system

discovery

Enumerates physical storage devices

Suspicious behavior: CmdExeWriteProcessMemorySpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\rad1467B.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\rad1467B.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\rad1467B.tmp N/A

Suspicious use of UnmapMainImage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\rad1467B.tmp N/A

Processes

C:\Windows\system32\wscript.exe

wscript.exe C:\Users\Admin\AppData\Local\Temp\024b02d137ad6deca01737a18160e4406d05e919dab228704646fbe23fd34153.js

C:\Windows\System32\cmd.exe

"C:\Windows\System32\cmd.exe" /c C:\Users\Admin\AppData\Local\Temp\rad1467B.tmp

C:\Users\Admin\AppData\Local\Temp\rad1467B.tmp

C:\Users\Admin\AppData\Local\Temp\rad1467B.tmp

Network

Country Destination Domain Proto
US 8.8.8.8:53 magdalenatota.pl udp
PL 195.78.67.69:80 magdalenatota.pl tcp
US 8.8.8.8:53 cocoenergilestari.com udp
SG 151.106.124.61:80 cocoenergilestari.com tcp
N/A 127.0.0.1:49172 tcp
US 208.83.223.34:80 tcp
US 154.35.32.5:443 tcp
SE 171.25.193.9:80 tcp
US 128.31.0.39:9101 tcp
DE 194.55.13.49:993 tcp
DE 144.76.154.13:9001 tcp
FR 62.210.97.21:443 tcp
N/A 127.0.0.1:61024 tcp

Files

memory/972-54-0x000007FEFC0F1000-0x000007FEFC0F3000-memory.dmp

memory/276-55-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Local\Temp\rad1467B.tmp

MD5 34edc941ae42e97833f7bf2ac04dbaea
SHA1 625c95785a2168813785e5efe77640749bfe3dbc
SHA256 2d510ba710ff8c4a48b60a74daf9e0489b343c1dec22bcf9369d986921439096
SHA512 01776de7a0a9c1f20e3866e6c689b7cc886f1e9bcab6c13a6e193921b854e68f8bfe9a68c3941d3ba18cf404f337546a409819f7cfcc4a3115a792d8709739ab

C:\Users\Admin\AppData\Local\Temp\rad1467B.tmp

MD5 34edc941ae42e97833f7bf2ac04dbaea
SHA1 625c95785a2168813785e5efe77640749bfe3dbc
SHA256 2d510ba710ff8c4a48b60a74daf9e0489b343c1dec22bcf9369d986921439096
SHA512 01776de7a0a9c1f20e3866e6c689b7cc886f1e9bcab6c13a6e193921b854e68f8bfe9a68c3941d3ba18cf404f337546a409819f7cfcc4a3115a792d8709739ab

memory/660-57-0x0000000000000000-mapping.dmp

memory/660-59-0x0000000075D21000-0x0000000075D23000-memory.dmp

memory/660-60-0x0000000000400000-0x0000000000608000-memory.dmp

memory/660-61-0x0000000000610000-0x00000000006E5000-memory.dmp

memory/660-62-0x0000000000400000-0x0000000000608000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-05-20 14:38

Reported

2022-05-20 15:56

Platform

win10v2004-20220414-en

Max time kernel

112s

Max time network

129s

Command Line

wscript.exe C:\Users\Admin\AppData\Local\Temp\024b02d137ad6deca01737a18160e4406d05e919dab228704646fbe23fd34153.js

Signatures

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\system32\wscript.exe N/A
N/A N/A C:\Windows\system32\wscript.exe N/A

Downloads MZ/PE file

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\rad88815.tmp N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation C:\Windows\system32\wscript.exe N/A

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4828 wrote to memory of 5076 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\cmd.exe
PID 4828 wrote to memory of 5076 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\cmd.exe
PID 5076 wrote to memory of 4872 N/A C:\Windows\System32\cmd.exe C:\Users\Admin\AppData\Local\Temp\rad88815.tmp
PID 5076 wrote to memory of 4872 N/A C:\Windows\System32\cmd.exe C:\Users\Admin\AppData\Local\Temp\rad88815.tmp
PID 5076 wrote to memory of 4872 N/A C:\Windows\System32\cmd.exe C:\Users\Admin\AppData\Local\Temp\rad88815.tmp

Processes

C:\Windows\system32\wscript.exe

wscript.exe C:\Users\Admin\AppData\Local\Temp\024b02d137ad6deca01737a18160e4406d05e919dab228704646fbe23fd34153.js

C:\Windows\System32\cmd.exe

"C:\Windows\System32\cmd.exe" /c C:\Users\Admin\AppData\Local\Temp\rad88815.tmp

C:\Users\Admin\AppData\Local\Temp\rad88815.tmp

C:\Users\Admin\AppData\Local\Temp\rad88815.tmp

Network

Country Destination Domain Proto
US 8.247.210.254:80 tcp
US 8.8.8.8:53 magdalenatota.pl udp
PL 195.78.67.69:80 magdalenatota.pl tcp
US 8.8.8.8:53 cocoenergilestari.com udp
SG 151.106.124.61:80 cocoenergilestari.com tcp
US 20.189.173.2:443 tcp
NL 104.110.191.133:80 tcp
NL 104.110.191.133:80 tcp
NL 104.110.191.133:80 tcp
NL 104.110.191.140:80 tcp

Files

memory/5076-130-0x0000000000000000-mapping.dmp

memory/4872-131-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Local\Temp\rad88815.tmp

MD5 34edc941ae42e97833f7bf2ac04dbaea
SHA1 625c95785a2168813785e5efe77640749bfe3dbc
SHA256 2d510ba710ff8c4a48b60a74daf9e0489b343c1dec22bcf9369d986921439096
SHA512 01776de7a0a9c1f20e3866e6c689b7cc886f1e9bcab6c13a6e193921b854e68f8bfe9a68c3941d3ba18cf404f337546a409819f7cfcc4a3115a792d8709739ab

C:\Users\Admin\AppData\Local\Temp\rad88815.tmp

MD5 34edc941ae42e97833f7bf2ac04dbaea
SHA1 625c95785a2168813785e5efe77640749bfe3dbc
SHA256 2d510ba710ff8c4a48b60a74daf9e0489b343c1dec22bcf9369d986921439096
SHA512 01776de7a0a9c1f20e3866e6c689b7cc886f1e9bcab6c13a6e193921b854e68f8bfe9a68c3941d3ba18cf404f337546a409819f7cfcc4a3115a792d8709739ab