Malware Analysis Report

2025-01-02 14:37

Sample ID 241205-r4qb2aypbw
Target NoMoreRansom.zip
SHA256 5cbb6442c47708558da29588e0d8ef0b34c4716be4a47e7c715ea844fbcf60d7
Tags
troldesh discovery persistence ransomware trojan upx
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

5cbb6442c47708558da29588e0d8ef0b34c4716be4a47e7c715ea844fbcf60d7

Threat Level: Known bad

The file NoMoreRansom.zip was found to be: Known bad.

Malicious Activity Summary

troldesh discovery persistence ransomware trojan upx

Troldesh family

Troldesh, Shade, Encoder.858

Executes dropped EXE

Adds Run key to start application

UPX packed file

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Suspicious use of SendNotifyMessage

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious behavior: GetForegroundWindowSpam

Checks SCSI registry key(s)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-05 14:45

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-12-05 14:45

Reported

2024-12-05 14:49

Platform

win11-20241007-en

Max time kernel

150s

Max time network

150s

Command Line

"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\NoMoreRansom.zip"

Signatures

Troldesh family

troldesh

Troldesh, Shade, Encoder.858

ransomware trojan troldesh

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2253712635-4068079004-3870069674-1000\Software\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" C:\Users\Admin\AppData\Local\Temp\7zO0EB3D2C7\[email protected] N/A

UPX packed file

upx
Description Indicator Process Target
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Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\Desktop\[email protected] N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\Desktop\[email protected] N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\Desktop\[email protected] N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\Desktop\[email protected] N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\7zO0EB3D2C7\[email protected] N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\Desktop\[email protected] N/A

Checks SCSI registry key(s)

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000 C:\Windows\system32\taskmgr.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A C:\Windows\system32\taskmgr.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName C:\Windows\system32\taskmgr.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\7zO0EB3D2C7\[email protected] N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7zO0EB3D2C7\[email protected] N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7zO0EB3D2C7\[email protected] N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7zO0EB3D2C7\[email protected] N/A
N/A N/A C:\Users\Admin\Desktop\[email protected] N/A
N/A N/A C:\Users\Admin\Desktop\[email protected] N/A
N/A N/A C:\Users\Admin\Desktop\[email protected] N/A
N/A N/A C:\Users\Admin\Desktop\[email protected] N/A
N/A N/A C:\Users\Admin\Desktop\[email protected] N/A
N/A N/A C:\Users\Admin\Desktop\[email protected] N/A
N/A N/A C:\Users\Admin\Desktop\[email protected] N/A
N/A N/A C:\Users\Admin\Desktop\[email protected] N/A
N/A N/A C:\Users\Admin\Desktop\[email protected] N/A
N/A N/A C:\Users\Admin\Desktop\[email protected] N/A
N/A N/A C:\Users\Admin\Desktop\[email protected] N/A
N/A N/A C:\Users\Admin\Desktop\[email protected] N/A
N/A N/A C:\Users\Admin\Desktop\[email protected] N/A
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N/A N/A C:\Users\Admin\Desktop\[email protected] N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
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N/A N/A C:\Windows\system32\taskmgr.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Program Files\7-Zip\7zFM.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeRestorePrivilege N/A C:\Program Files\7-Zip\7zFM.exe N/A
Token: 35 N/A C:\Program Files\7-Zip\7zFM.exe N/A
Token: SeSecurityPrivilege N/A C:\Program Files\7-Zip\7zFM.exe N/A
Token: SeSecurityPrivilege N/A C:\Program Files\7-Zip\7zFM.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\system32\taskmgr.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\system32\taskmgr.exe N/A
Token: SeCreateGlobalPrivilege N/A C:\Windows\system32\taskmgr.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Program Files\7-Zip\7zFM.exe N/A
N/A N/A C:\Program Files\7-Zip\7zFM.exe N/A
N/A N/A C:\Program Files\7-Zip\7zFM.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
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N/A N/A C:\Windows\system32\taskmgr.exe N/A

Suspicious use of SendNotifyMessage

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

Processes

C:\Program Files\7-Zip\7zFM.exe

"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\NoMoreRansom.zip"

C:\Users\Admin\AppData\Local\Temp\7zO0EB3D2C7\[email protected]

"C:\Users\Admin\AppData\Local\Temp\7zO0EB3D2C7\[email protected]"

C:\Users\Admin\Desktop\[email protected]

"C:\Users\Admin\Desktop\[email protected]"

C:\Users\Admin\Desktop\[email protected]

"C:\Users\Admin\Desktop\[email protected]"

C:\Users\Admin\Desktop\[email protected]

"C:\Users\Admin\Desktop\[email protected]"

C:\Users\Admin\Desktop\[email protected]

"C:\Users\Admin\Desktop\[email protected]"

C:\Users\Admin\Desktop\[email protected]

"C:\Users\Admin\Desktop\[email protected]"

C:\Windows\system32\taskmgr.exe

"C:\Windows\system32\taskmgr.exe" /0

Network

Country Destination Domain Proto
N/A 127.0.0.1:49755 tcp
US 154.35.32.5:443 tcp
US 128.31.0.39:9101 tcp
N/A 127.0.0.1:49770 tcp
N/A 127.0.0.1:49775 tcp
N/A 127.0.0.1:49780 tcp
N/A 127.0.0.1:49784 tcp
N/A 127.0.0.1:49789 tcp
DE 193.23.244.244:443 tcp
US 8.8.8.8:53 244.244.23.193.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\7zO0EB3D2C7\[email protected]

MD5 63210f8f1dde6c40a7f3643ccf0ff313
SHA1 57edd72391d710d71bead504d44389d0462ccec9
SHA256 2aab13d49b60001de3aa47fb8f7251a973faa7f3c53a3840cdf5fd0b26e9a09f
SHA512 87a89e8ab85be150a783a9f8d41797cfa12f86fdccb48f2180c0498bfd2b1040b730dee4665fe2c83b98d436453680226051b7f1532e1c0e0cda0cf702e80a11

memory/4532-12-0x00000000024D0000-0x000000000259E000-memory.dmp

memory/4532-13-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/4532-14-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/4532-15-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/4532-16-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/4532-18-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/4532-21-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/4532-22-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/4532-25-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3516-29-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/2212-31-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/2212-32-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/1724-35-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/4408-38-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3448-41-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3516-42-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/2212-45-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/1724-48-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/4408-51-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3448-54-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/4532-57-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/4532-58-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/4532-59-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/4532-62-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/4532-63-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/4532-64-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/4532-65-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/1160-68-0x000001EDD7E20000-0x000001EDD7E21000-memory.dmp

memory/1160-67-0x000001EDD7E20000-0x000001EDD7E21000-memory.dmp

memory/1160-66-0x000001EDD7E20000-0x000001EDD7E21000-memory.dmp

memory/1160-78-0x000001EDD7E20000-0x000001EDD7E21000-memory.dmp

memory/1160-77-0x000001EDD7E20000-0x000001EDD7E21000-memory.dmp

memory/1160-76-0x000001EDD7E20000-0x000001EDD7E21000-memory.dmp

memory/1160-75-0x000001EDD7E20000-0x000001EDD7E21000-memory.dmp

memory/1160-74-0x000001EDD7E20000-0x000001EDD7E21000-memory.dmp

memory/1160-73-0x000001EDD7E20000-0x000001EDD7E21000-memory.dmp

memory/1160-72-0x000001EDD7E20000-0x000001EDD7E21000-memory.dmp

memory/4532-79-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/4532-80-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/4532-81-0x0000000000400000-0x00000000005DE000-memory.dmp