Malware Analysis Report

2025-01-22 15:04

Sample ID 240208-ccghgsca47
Target 1cc6cf68882661395df57d43e89a3e76fd576d77057977a1f65e468bc3e9737c
SHA256 1cc6cf68882661395df57d43e89a3e76fd576d77057977a1f65e468bc3e9737c
Tags
orcus
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

1cc6cf68882661395df57d43e89a3e76fd576d77057977a1f65e468bc3e9737c

Threat Level: Known bad

The file 1cc6cf68882661395df57d43e89a3e76fd576d77057977a1f65e468bc3e9737c was found to be: Known bad.

Malicious Activity Summary

orcus

Orcus family

Orcus main payload

Unsigned PE

Suspicious use of WriteProcessMemory

Checks processor information in registry

Enumerates system info in registry

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-02-08 01:55

Signatures

Orcus family

orcus

Orcus main payload

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

2024-02-08 01:55

Reported

2024-02-08 01:58

Platform

win7-20231215-en

Max time kernel

122s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1cc6cf68882661395df57d43e89a3e76fd576d77057977a1f65e468bc3e9737c.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\1cc6cf68882661395df57d43e89a3e76fd576d77057977a1f65e468bc3e9737c.exe

"C:\Users\Admin\AppData\Local\Temp\1cc6cf68882661395df57d43e89a3e76fd576d77057977a1f65e468bc3e9737c.exe"

C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe

dw20.exe -x -s 384

Network

N/A

Files

memory/2432-0-0x000007FEF55E0000-0x000007FEF5F7D000-memory.dmp

memory/2432-1-0x00000000008A0000-0x0000000000920000-memory.dmp

memory/2064-2-0x0000000000360000-0x0000000000361000-memory.dmp

memory/2432-3-0x000007FEF55E0000-0x000007FEF5F7D000-memory.dmp

memory/2432-4-0x00000000008A0000-0x0000000000920000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-08 01:55

Reported

2024-02-08 01:58

Platform

win10v2004-20231215-en

Max time kernel

142s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1cc6cf68882661395df57d43e89a3e76fd576d77057977a1f65e468bc3e9737c.exe"

Signatures

Checks processor information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe N/A
Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe N/A

Enumerates system info in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeBackupPrivilege N/A C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1cc6cf68882661395df57d43e89a3e76fd576d77057977a1f65e468bc3e9737c.exe

"C:\Users\Admin\AppData\Local\Temp\1cc6cf68882661395df57d43e89a3e76fd576d77057977a1f65e468bc3e9737c.exe"

C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe

dw20.exe -x -s 728

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 50.192.11.51.in-addr.arpa udp

Files

memory/5108-0-0x00007FF82A1E0000-0x00007FF82AB81000-memory.dmp

memory/5108-1-0x0000000001610000-0x0000000001620000-memory.dmp

memory/5108-8-0x00007FF82A1E0000-0x00007FF82AB81000-memory.dmp