Malware Analysis Report

2025-01-02 03:13

Sample ID 240405-v4zggsae77
Target 2401today.exe
SHA256 feca92ca62ef8166f6839fddcb21ae98c5244d53974f6f01ff643c3c00df99ca
Tags
remotehost remcos
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

feca92ca62ef8166f6839fddcb21ae98c5244d53974f6f01ff643c3c00df99ca

Threat Level: Known bad

The file 2401today.exe was found to be: Known bad.

Malicious Activity Summary

remotehost remcos

Remcos family

Unsigned PE

Checks SCSI registry key(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-05 17:33

Signatures

Remcos family

remcos

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-05 17:33

Reported

2024-04-05 17:34

Platform

win11-20240221-en

Max time kernel

30s

Max time network

22s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2401today.exe"

Signatures

Checks SCSI registry key(s)

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000 C:\Windows\System32\Taskmgr.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\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_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName C:\Windows\System32\Taskmgr.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
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

Processes

C:\Users\Admin\AppData\Local\Temp\2401today.exe

"C:\Users\Admin\AppData\Local\Temp\2401today.exe"

C:\Windows\System32\Taskmgr.exe

"C:\Windows\System32\Taskmgr.exe"

Network

Country Destination Domain Proto
NL 78.142.18.221:2401 tcp
US 8.8.8.8:53 221.18.142.78.in-addr.arpa udp
NL 178.237.33.50:80 geoplugin.net tcp
US 8.8.8.8:53 50.33.237.178.in-addr.arpa udp
NL 78.142.18.221:2401 tcp
NL 78.142.18.221:2401 tcp
NL 78.142.18.221:2401 tcp

Files

memory/2256-1-0x0000028B85C50000-0x0000028B85C51000-memory.dmp

memory/2256-3-0x0000028B85C50000-0x0000028B85C51000-memory.dmp

memory/2256-2-0x0000028B85C50000-0x0000028B85C51000-memory.dmp

memory/2256-7-0x0000028B85C50000-0x0000028B85C51000-memory.dmp

memory/2256-8-0x0000028B85C50000-0x0000028B85C51000-memory.dmp

memory/2256-9-0x0000028B85C50000-0x0000028B85C51000-memory.dmp

memory/2256-10-0x0000028B85C50000-0x0000028B85C51000-memory.dmp

memory/2256-11-0x0000028B85C50000-0x0000028B85C51000-memory.dmp

memory/2256-12-0x0000028B85C50000-0x0000028B85C51000-memory.dmp

memory/2256-13-0x0000028B85C50000-0x0000028B85C51000-memory.dmp