Malware Analysis Report

2025-01-22 15:40

Sample ID 231222-cbfvkaedhp
Target 4d1787d46609b8f4a6999a4e6a2321b2
SHA256 a8176bedfc29cd5ad973ee4a84d163a5d722738e2257e274281fba6831539d6e
Tags
macro xlm
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

a8176bedfc29cd5ad973ee4a84d163a5d722738e2257e274281fba6831539d6e

Threat Level: Known bad

The file 4d1787d46609b8f4a6999a4e6a2321b2 was found to be: Known bad.

Malicious Activity Summary

macro xlm

Process spawned unexpected child process

Suspicious Office macro

Modifies Internet Explorer settings

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-22 01:53

Signatures

Suspicious Office macro

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

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-22 01:53

Reported

2023-12-22 05:57

Platform

win10v2004-20231215-en

Max time kernel

2s

Max time network

161s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\4d1787d46609b8f4a6999a4e6a2321b2.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\explorer.exe C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE

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\4d1787d46609b8f4a6999a4e6a2321b2.xls"

C:\Windows\explorer.exe

explorer.exe C:\Users\Public\Documents\blqiCzA3.vbs

C:\Windows\explorer.exe

C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding

C:\Windows\System32\WScript.exe

"C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\blqiCzA3.vbs"

Network

Country Destination Domain Proto
NL 52.142.223.178:80 tcp
US 8.8.8.8:53 19.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 97.32.109.52.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 syracuse.best udp
US 8.8.8.8:53 213.143.182.52.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
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 204.201.50.20.in-addr.arpa udp

Files

memory/2400-0-0x00007FFCD07F0000-0x00007FFCD0800000-memory.dmp

memory/2400-6-0x00007FFD10770000-0x00007FFD10965000-memory.dmp

memory/2400-8-0x00007FFD10770000-0x00007FFD10965000-memory.dmp

memory/2400-9-0x00007FFD10770000-0x00007FFD10965000-memory.dmp

memory/2400-7-0x00007FFCD07F0000-0x00007FFCD0800000-memory.dmp

memory/2400-12-0x00007FFD10770000-0x00007FFD10965000-memory.dmp

memory/2400-14-0x00007FFCCDF30000-0x00007FFCCDF40000-memory.dmp

memory/2400-15-0x00007FFD10770000-0x00007FFD10965000-memory.dmp

memory/2400-16-0x00007FFD10770000-0x00007FFD10965000-memory.dmp

memory/2400-17-0x00007FFD10770000-0x00007FFD10965000-memory.dmp

memory/2400-19-0x00007FFD10770000-0x00007FFD10965000-memory.dmp

memory/2400-18-0x00007FFD10770000-0x00007FFD10965000-memory.dmp

memory/2400-20-0x00007FFD10770000-0x00007FFD10965000-memory.dmp

memory/2400-22-0x00007FFCCDF30000-0x00007FFCCDF40000-memory.dmp

memory/2400-21-0x00007FFD10770000-0x00007FFD10965000-memory.dmp

memory/2400-23-0x00007FFD10770000-0x00007FFD10965000-memory.dmp

memory/2400-13-0x00007FFD10770000-0x00007FFD10965000-memory.dmp

memory/2400-11-0x00007FFD10770000-0x00007FFD10965000-memory.dmp

memory/2400-10-0x00007FFD10770000-0x00007FFD10965000-memory.dmp

memory/2400-5-0x00007FFCD07F0000-0x00007FFCD0800000-memory.dmp

memory/2400-4-0x00007FFD10770000-0x00007FFD10965000-memory.dmp

memory/2400-3-0x00007FFCD07F0000-0x00007FFCD0800000-memory.dmp

memory/2400-2-0x00007FFD10770000-0x00007FFD10965000-memory.dmp

memory/2400-1-0x00007FFCD07F0000-0x00007FFCD0800000-memory.dmp

C:\Users\Public\Documents\blqiCzA3.vbs

MD5 19ed8cba9f4c034c4ae703cf3a8ba325
SHA1 65adf77357eb37d32140fe52daa5ee7fbd4aeab1
SHA256 656bc444f04a1d52def22ef12c916635b1279d2c1a38525beb197a0aaa761e85
SHA512 df5f8e03d0b926c77ebbdbec8cd2c2dbc1b75184f20f19be584a7c594d9d03aced07d1c02f227330e2237c7eeccffcf409bf137bfc8c956dc87680167e104c31

memory/2400-35-0x00007FFD10770000-0x00007FFD10965000-memory.dmp

memory/2400-36-0x00007FFD10770000-0x00007FFD10965000-memory.dmp

memory/2400-37-0x00007FFD10770000-0x00007FFD10965000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-22 01:53

Reported

2023-12-22 05:57

Platform

win7-20231129-en

Max time kernel

0s

Max time network

119s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\4d1787d46609b8f4a6999a4e6a2321b2.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\rundll32.exe C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Toolbar C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\MenuExt C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.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\4d1787d46609b8f4a6999a4e6a2321b2.xls

C:\Windows\SysWOW64\rundll32.exe

"C:\Windows\system32\rundll32.exe" C:\Users\Public\Documents\WaMu8vW.txt,DllRegisterServer

Network

Country Destination Domain Proto
US 8.8.8.8:53 syracuse.best udp
US 8.8.8.8:53 skill.fashion udp

Files

memory/3024-1-0x000000007243D000-0x0000000072448000-memory.dmp

memory/3024-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/3024-2-0x000000007243D000-0x0000000072448000-memory.dmp

memory/3024-3-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/3024-4-0x000000007243D000-0x0000000072448000-memory.dmp