Malware Analysis Report

2024-11-15 07:56

Sample ID 241002-p724ws1dle
Target SCANNED COPY.doc
SHA256 1abbd41ea4c50b4db3acfe9a14f07b93ee52e0ea8515f34cc007f4d314d60746
Tags
vipkeylogger collection discovery execution keylogger spyware stealer
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

1abbd41ea4c50b4db3acfe9a14f07b93ee52e0ea8515f34cc007f4d314d60746

Threat Level: Known bad

The file SCANNED COPY.doc was found to be: Known bad.

Malicious Activity Summary

vipkeylogger collection discovery execution keylogger spyware stealer

VIPKeylogger

Blocklisted process makes network request

Downloads MZ/PE file

Command and Scripting Interpreter: PowerShell

Reads user/profile data of web browsers

Loads dropped DLL

Executes dropped EXE

Reads user/profile data of local email clients

Accesses Microsoft Outlook profiles

Looks up external IP address via web service

Suspicious use of SetThreadContext

Drops file in System32 directory

Drops file in Windows directory

Enumerates physical storage devices

Browser Information Discovery

System Location Discovery: System Language Discovery

Office loads VBA resources, possible macro or embedded object present

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

outlook_win_path

Checks processor information in registry

Enumerates system info in registry

Launches Equation Editor

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

outlook_office_path

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-02 12:59

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-02 12:59

Reported

2024-10-02 13:01

Platform

win7-20240903-en

Max time kernel

121s

Max time network

123s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\SCANNED COPY.rtf"

Signatures

VIPKeylogger

stealer keylogger vipkeylogger

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE N/A

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Downloads MZ/PE file

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\obiyen4385651.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\obiyen4385651.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE N/A

Reads user/profile data of local email clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Roaming\obiyen4385651.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Roaming\obiyen4385651.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Roaming\obiyen4385651.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A checkip.dyndns.org N/A N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2872 set thread context of 1676 N/A C:\Users\Admin\AppData\Roaming\obiyen4385651.exe C:\Users\Admin\AppData\Roaming\obiyen4385651.exe

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\Debug\WIA\wiatrace.log C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A

Browser Information Discovery

discovery

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:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\obiyen4385651.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\obiyen4385651.exe N/A

Office loads VBA resources, possible macro or embedded object present

Launches Equation Editor

exploit
Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE N/A

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\obiyen4385651.exe N/A
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\obiyen4385651.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\obiyen4385651.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
N/A N/A C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2360 wrote to memory of 2872 N/A C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE C:\Users\Admin\AppData\Roaming\obiyen4385651.exe
PID 2360 wrote to memory of 2872 N/A C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE C:\Users\Admin\AppData\Roaming\obiyen4385651.exe
PID 2360 wrote to memory of 2872 N/A C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE C:\Users\Admin\AppData\Roaming\obiyen4385651.exe
PID 2360 wrote to memory of 2872 N/A C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE C:\Users\Admin\AppData\Roaming\obiyen4385651.exe
PID 2132 wrote to memory of 2660 N/A C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE C:\Windows\splwow64.exe
PID 2132 wrote to memory of 2660 N/A C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE C:\Windows\splwow64.exe
PID 2132 wrote to memory of 2660 N/A C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE C:\Windows\splwow64.exe
PID 2132 wrote to memory of 2660 N/A C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE C:\Windows\splwow64.exe
PID 2872 wrote to memory of 1472 N/A C:\Users\Admin\AppData\Roaming\obiyen4385651.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2872 wrote to memory of 1472 N/A C:\Users\Admin\AppData\Roaming\obiyen4385651.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2872 wrote to memory of 1472 N/A C:\Users\Admin\AppData\Roaming\obiyen4385651.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2872 wrote to memory of 1472 N/A C:\Users\Admin\AppData\Roaming\obiyen4385651.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2872 wrote to memory of 1676 N/A C:\Users\Admin\AppData\Roaming\obiyen4385651.exe C:\Users\Admin\AppData\Roaming\obiyen4385651.exe
PID 2872 wrote to memory of 1676 N/A C:\Users\Admin\AppData\Roaming\obiyen4385651.exe C:\Users\Admin\AppData\Roaming\obiyen4385651.exe
PID 2872 wrote to memory of 1676 N/A C:\Users\Admin\AppData\Roaming\obiyen4385651.exe C:\Users\Admin\AppData\Roaming\obiyen4385651.exe
PID 2872 wrote to memory of 1676 N/A C:\Users\Admin\AppData\Roaming\obiyen4385651.exe C:\Users\Admin\AppData\Roaming\obiyen4385651.exe
PID 2872 wrote to memory of 1676 N/A C:\Users\Admin\AppData\Roaming\obiyen4385651.exe C:\Users\Admin\AppData\Roaming\obiyen4385651.exe
PID 2872 wrote to memory of 1676 N/A C:\Users\Admin\AppData\Roaming\obiyen4385651.exe C:\Users\Admin\AppData\Roaming\obiyen4385651.exe
PID 2872 wrote to memory of 1676 N/A C:\Users\Admin\AppData\Roaming\obiyen4385651.exe C:\Users\Admin\AppData\Roaming\obiyen4385651.exe
PID 2872 wrote to memory of 1676 N/A C:\Users\Admin\AppData\Roaming\obiyen4385651.exe C:\Users\Admin\AppData\Roaming\obiyen4385651.exe
PID 2872 wrote to memory of 1676 N/A C:\Users\Admin\AppData\Roaming\obiyen4385651.exe C:\Users\Admin\AppData\Roaming\obiyen4385651.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Roaming\obiyen4385651.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Roaming\obiyen4385651.exe N/A

Processes

C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE

"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\SCANNED COPY.rtf"

C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE

"C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding

C:\Users\Admin\AppData\Roaming\obiyen4385651.exe

"C:\Users\Admin\AppData\Roaming\obiyen4385651.exe"

C:\Windows\splwow64.exe

C:\Windows\splwow64.exe 12288

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\obiyen4385651.exe"

C:\Users\Admin\AppData\Roaming\obiyen4385651.exe

"C:\Users\Admin\AppData\Roaming\obiyen4385651.exe"

Network

Country Destination Domain Proto
US 154.216.20.22:80 154.216.20.22 tcp
US 8.8.8.8:53 checkip.dyndns.org udp
US 158.101.44.242:80 checkip.dyndns.org tcp
US 8.8.8.8:53 reallyfreegeoip.org udp
US 104.21.67.152:443 reallyfreegeoip.org tcp
US 8.8.8.8:53 api.telegram.org udp
NL 149.154.167.220:443 api.telegram.org tcp

Files

memory/2132-0-0x000000002FB91000-0x000000002FB92000-memory.dmp

memory/2132-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2132-2-0x00000000713FD000-0x0000000071408000-memory.dmp

\Users\Admin\AppData\Roaming\obiyen4385651.exe

MD5 dd429f3dc6b27f618d4aa22ad5391e39
SHA1 a951266db9c02ea4c4330e09e3167312ac158f97
SHA256 3684bf9a9c63ff32ed0e00dcdbe15ba654a395f2063fd476b50a4d7d1653c9aa
SHA512 6ab12ec0dc5ec17330eca4dfd6a4a87ebf32657506f7d5258ea206d9228730e6ab53d070f4962d34c65e5b0ed56ef36892c9a5370712a68284767ee8ee637d65

memory/2872-14-0x0000000000C60000-0x0000000000D3E000-memory.dmp

memory/2872-15-0x00000000003B0000-0x00000000003CE000-memory.dmp

memory/2132-20-0x00000000713FD000-0x0000000071408000-memory.dmp

memory/2872-21-0x0000000000450000-0x00000000004DC000-memory.dmp

memory/1676-22-0x0000000000400000-0x0000000000448000-memory.dmp

memory/1676-33-0x0000000000400000-0x0000000000448000-memory.dmp

memory/1676-35-0x0000000000400000-0x0000000000448000-memory.dmp

memory/1676-31-0x0000000000400000-0x0000000000448000-memory.dmp

memory/1676-30-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1676-28-0x0000000000400000-0x0000000000448000-memory.dmp

memory/1676-26-0x0000000000400000-0x0000000000448000-memory.dmp

memory/1676-24-0x0000000000400000-0x0000000000448000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-02 12:59

Reported

2024-10-02 13:01

Platform

win10v2004-20240802-en

Max time kernel

133s

Max time network

123s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\SCANNED COPY.rtf" /o ""

Signatures

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE N/A

Enumerates system info in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE N/A
Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE N/A

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE N/A
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE N/A

Processes

C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE

"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\SCANNED COPY.rtf" /o ""

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 roaming.officeapps.live.com udp
NL 52.109.89.19:443 roaming.officeapps.live.com tcp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 97.32.109.52.in-addr.arpa udp
US 8.8.8.8:53 19.89.109.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 208.143.182.52.in-addr.arpa udp
US 8.8.8.8:53 metadata.templates.cdn.office.net udp
GB 2.18.63.39:443 metadata.templates.cdn.office.net tcp
US 8.8.8.8:53 binaries.templates.cdn.office.net udp
GB 2.19.117.169:443 binaries.templates.cdn.office.net tcp
GB 2.19.117.169:443 binaries.templates.cdn.office.net tcp
GB 2.19.117.169:443 binaries.templates.cdn.office.net tcp
GB 2.19.117.169:443 binaries.templates.cdn.office.net tcp
GB 2.19.117.169:443 binaries.templates.cdn.office.net tcp
GB 2.19.117.169:443 binaries.templates.cdn.office.net tcp
GB 2.19.117.169:443 binaries.templates.cdn.office.net tcp
GB 2.19.117.169:443 binaries.templates.cdn.office.net tcp
GB 2.19.117.169:443 binaries.templates.cdn.office.net tcp
GB 2.19.117.169:443 binaries.templates.cdn.office.net tcp
GB 2.19.117.169:443 binaries.templates.cdn.office.net tcp
GB 2.19.117.169:443 binaries.templates.cdn.office.net tcp
GB 2.19.117.169:443 binaries.templates.cdn.office.net tcp
US 8.8.8.8:53 39.63.18.2.in-addr.arpa udp
US 8.8.8.8:53 169.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 75.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp

Files

memory/2512-0-0x00007FF8D8730000-0x00007FF8D8740000-memory.dmp

memory/2512-1-0x00007FF91874D000-0x00007FF91874E000-memory.dmp

memory/2512-3-0x00007FF8D8730000-0x00007FF8D8740000-memory.dmp

memory/2512-2-0x00007FF8D8730000-0x00007FF8D8740000-memory.dmp

memory/2512-4-0x00007FF8D8730000-0x00007FF8D8740000-memory.dmp

memory/2512-6-0x00007FF9186B0000-0x00007FF9188A5000-memory.dmp

memory/2512-5-0x00007FF9186B0000-0x00007FF9188A5000-memory.dmp

memory/2512-7-0x00007FF8D8730000-0x00007FF8D8740000-memory.dmp

memory/2512-17-0x00007FF8D64F0000-0x00007FF8D6500000-memory.dmp

memory/2512-16-0x00007FF9186B0000-0x00007FF9188A5000-memory.dmp

memory/2512-15-0x00007FF9186B0000-0x00007FF9188A5000-memory.dmp

memory/2512-14-0x00007FF9186B0000-0x00007FF9188A5000-memory.dmp

memory/2512-13-0x00007FF9186B0000-0x00007FF9188A5000-memory.dmp

memory/2512-12-0x00007FF9186B0000-0x00007FF9188A5000-memory.dmp

memory/2512-11-0x00007FF9186B0000-0x00007FF9188A5000-memory.dmp

memory/2512-10-0x00007FF9186B0000-0x00007FF9188A5000-memory.dmp

memory/2512-9-0x00007FF9186B0000-0x00007FF9188A5000-memory.dmp

memory/2512-8-0x00007FF9186B0000-0x00007FF9188A5000-memory.dmp

memory/2512-18-0x00007FF8D64F0000-0x00007FF8D6500000-memory.dmp

memory/2512-30-0x00007FF9186B0000-0x00007FF9188A5000-memory.dmp

memory/2512-31-0x00007FF91874D000-0x00007FF91874E000-memory.dmp

memory/2512-32-0x00007FF9186B0000-0x00007FF9188A5000-memory.dmp

memory/2512-33-0x00007FF9186B0000-0x00007FF9188A5000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms

MD5 3c6705a861d957c1680fbdb4f8c5f307
SHA1 b6c8ee1c8229585f551be7192fec121c0e7cc9d1
SHA256 2e299354f59cbac08592548c06bc7a0353153bee614c1629d43f4ddb8d012923
SHA512 dd6423f77fe0c022dedbf47ed516bbdcf2e9481643bb27c87531c2d35c46937d09d3b4f5ec44586f75fbcc7fa2c8807c0e0435deeeda70e5a815684053469bf8

C:\Users\Admin\AppData\Local\Temp\TCD3B.tmp\sist02.xsl

MD5 f883b260a8d67082ea895c14bf56dd56
SHA1 7954565c1f243d46ad3b1e2f1baf3281451fc14b
SHA256 ef4835db41a485b56c2ef0ff7094bc2350460573a686182bc45fd6613480e353
SHA512 d95924a499f32d9b4d9a7d298502181f9e9048c21dbe0496fa3c3279b263d6f7d594b859111a99b1a53bd248ee69b867d7b1768c42e1e40934e0b990f0ce051e