Malware Analysis Report

2024-10-19 08:46

Sample ID 220521-dznqrabehp
Target 13c45dee8f71fde8facef6f218bd1735755f5fceea800c901762d6fac4f8d480
SHA256 13c45dee8f71fde8facef6f218bd1735755f5fceea800c901762d6fac4f8d480
Tags
masslogger collection evasion ransomware rezer0 spyware stealer
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

13c45dee8f71fde8facef6f218bd1735755f5fceea800c901762d6fac4f8d480

Threat Level: Known bad

The file 13c45dee8f71fde8facef6f218bd1735755f5fceea800c901762d6fac4f8d480 was found to be: Known bad.

Malicious Activity Summary

masslogger collection evasion ransomware rezer0 spyware stealer

MassLogger Main Payload

MassLogger

MassLogger log file

Modifies visibility of file extensions in Explorer

ReZer0 packer

Checks computer location settings

Reads user/profile data of web browsers

Accesses Microsoft Outlook profiles

Looks up external IP address via web service

Enumerates physical storage devices

outlook_win_path

Creates scheduled task(s)

Suspicious use of SetWindowsHookEx

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

outlook_office_path

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: AddClipboardFormatListener

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-05-21 03:26

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-05-21 03:26

Reported

2022-05-21 05:07

Platform

win7-20220414-en

Max time kernel

60s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Order.exe"

Signatures

MassLogger

stealer spyware masslogger

MassLogger Main Payload

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

MassLogger log file

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

Modifies visibility of file extensions in Explorer

evasion

ReZer0 packer

rezer0
Description Indicator Process Target
N/A N/A N/A N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\Order.exe N/A

Reads user/profile data of web browsers

spyware stealer

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook C:\Users\Admin\AppData\Local\Temp\Order.exe N/A
Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook C:\Users\Admin\AppData\Local\Temp\Order.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook C:\Users\Admin\AppData\Local\Temp\Order.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook C:\Users\Admin\AppData\Local\Temp\Order.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Order.exe N/A
Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook C:\Users\Admin\AppData\Local\Temp\Order.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Order.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Order.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Order.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Order.exe N/A
Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook C:\Users\Admin\AppData\Local\Temp\Order.exe N/A
Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Order.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Order.exe N/A
Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Order.exe N/A
Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Order.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A api.ipify.org N/A N/A

Enumerates physical storage devices

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious behavior: AddClipboardFormatListener

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

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Order.exe N/A

Suspicious use of SetWindowsHookEx

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 388 wrote to memory of 1960 N/A C:\Users\Admin\AppData\Local\Temp\Order.exe C:\Windows\SysWOW64\schtasks.exe
PID 388 wrote to memory of 1960 N/A C:\Users\Admin\AppData\Local\Temp\Order.exe C:\Windows\SysWOW64\schtasks.exe
PID 388 wrote to memory of 1960 N/A C:\Users\Admin\AppData\Local\Temp\Order.exe C:\Windows\SysWOW64\schtasks.exe
PID 388 wrote to memory of 1960 N/A C:\Users\Admin\AppData\Local\Temp\Order.exe C:\Windows\SysWOW64\schtasks.exe

outlook_office_path

Description Indicator Process Target
Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Order.exe N/A

outlook_win_path

Description Indicator Process Target
Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Order.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Order.exe

"C:\Users\Admin\AppData\Local\Temp\Order.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DvxybizoCTP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7ACC.tmp"

Network

Country Destination Domain Proto
US 8.8.8.8:53 api.ipify.org udp
US 54.91.59.199:80 api.ipify.org tcp

Files

memory/388-54-0x0000000000C00000-0x0000000000CD6000-memory.dmp

memory/388-55-0x00000000004A0000-0x00000000004B0000-memory.dmp

memory/388-56-0x0000000004F70000-0x0000000005020000-memory.dmp

memory/1960-57-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Local\Temp\tmp7ACC.tmp

MD5 0c0b0150e2ecd8f0c2cd4844fcc00f73
SHA1 871d0bbc8dfad52f6a86ffaed46302763467ace6
SHA256 82762a140a3eff3bcc20e756de9d0199b454d53baedc7665f25385cce9da9f71
SHA512 c17e2b2b46781ebfa3286debcef06af62c0ea589142d7033509f1cad557e9e0cd7c37bf027300dcf415303042102a800aacd1940123b2baf0dddd10780fe49bf

memory/388-59-0x0000000006880000-0x0000000006928000-memory.dmp

memory/388-60-0x0000000004160000-0x00000000041A4000-memory.dmp

memory/388-61-0x00000000047C5000-0x00000000047D6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-05-21 03:26

Reported

2022-05-21 05:07

Platform

win10v2004-20220414-en

Max time kernel

144s

Max time network

166s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Order.exe"

Signatures

MassLogger

stealer spyware masslogger

MassLogger log file

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

Modifies visibility of file extensions in Explorer

evasion

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\Order.exe N/A

Reads user/profile data of web browsers

spyware stealer

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook C:\Users\Admin\AppData\Local\Temp\Order.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Order.exe N/A
Key queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Order.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Order.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Order.exe N/A
Key queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Order.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Order.exe N/A
Key queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook C:\Users\Admin\AppData\Local\Temp\Order.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Order.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Order.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Order.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Order.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Order.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook C:\Users\Admin\AppData\Local\Temp\Order.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook C:\Users\Admin\AppData\Local\Temp\Order.exe N/A
Key queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook C:\Users\Admin\AppData\Local\Temp\Order.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook C:\Users\Admin\AppData\Local\Temp\Order.exe N/A
Key queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Order.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A api.ipify.org N/A N/A

Enumerates physical storage devices

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious behavior: AddClipboardFormatListener

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

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Order.exe N/A

Suspicious use of SetWindowsHookEx

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2672 wrote to memory of 4960 N/A C:\Users\Admin\AppData\Local\Temp\Order.exe C:\Windows\SysWOW64\schtasks.exe
PID 2672 wrote to memory of 4960 N/A C:\Users\Admin\AppData\Local\Temp\Order.exe C:\Windows\SysWOW64\schtasks.exe
PID 2672 wrote to memory of 4960 N/A C:\Users\Admin\AppData\Local\Temp\Order.exe C:\Windows\SysWOW64\schtasks.exe

outlook_office_path

Description Indicator Process Target
Key queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Order.exe N/A

outlook_win_path

Description Indicator Process Target
Key queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Order.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Order.exe

"C:\Users\Admin\AppData\Local\Temp\Order.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DvxybizoCTP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2C5F.tmp"

Network

Country Destination Domain Proto
US 209.197.3.8:80 tcp
NL 104.110.191.133:80 tcp
NL 104.110.191.133:80 tcp
US 52.168.112.66:443 tcp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp
US 8.8.8.8:53 api.ipify.org udp
US 3.220.57.224:80 api.ipify.org tcp
US 93.184.220.29:80 tcp
NL 2.17.222.14:80 tcp

Files

memory/2672-130-0x0000000000CD0000-0x0000000000DA6000-memory.dmp

memory/2672-131-0x0000000005720000-0x00000000057BC000-memory.dmp

memory/2672-132-0x00000000058F0000-0x0000000005982000-memory.dmp

memory/2672-133-0x00000000077F0000-0x0000000007D94000-memory.dmp

memory/4960-134-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Local\Temp\tmp2C5F.tmp

MD5 3cc1c07d44e6fc469a993a368ce4f980
SHA1 d08ebbb3d31c7630eb539352b0c8eec90ae227c9
SHA256 32739443033df5a65798d548405805a5069853c624b18de97adcec85fced4120
SHA512 e13359a251c029f36041a964f9c02798f060b100ab7dd839c7a7713ca18964e15ceab674b79b0bf495397e8ba6494d0c63307e756fb79f4df0bd179b2efbeb6c

memory/2672-136-0x0000000008120000-0x0000000008186000-memory.dmp

memory/2672-137-0x00000000091E0000-0x00000000091EA000-memory.dmp

memory/2672-138-0x0000000009B50000-0x0000000009BA0000-memory.dmp