fcc82b797edda5ae163e4824ee29cef266391a83e5445ac4b26fc6160819749c

Analysis

max time kernel
96s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
16-03-2023 18:03

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General

Target

-MgreX7dpa4WPkgk7inO8mY5GoPlRFrEsm-GFggZdJw.doc
Size

291KB
MD5

3b50320c5c45960257f30cc35d271f61
SHA1

4831beb9d0e88b697432875b619be50718c8bd34
SHA256

fcc82b797edda5ae163e4824ee29cef266391a83e5445ac4b26fc6160819749c
SHA512

1ca260f9ff3fd9fafb9ad713abbd33c9fc96e30980c15d3d1088eb42ff9cc5bc5381bfbd42b46b75024ac80878260b250d77e54dcda83908f3ddf5dd08a81633
SSDEEP

3072:n9nytLPk8keiNKeWoGjtEID4fd4WIFgwR7mTFA02105VCM7agqCpnUgm:UtjzkKjtEIDCsSTFt2wVCaagqCRUgm

Score

1^/10

Malware Config

Signatures

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

Modifies registry class 1 IoCs

Processes:

OpenWith.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Local Settings OpenWith.exe
Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

4128 WINWORD.EXE
4128 WINWORD.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Local Settings	OpenWith.exe

Suspicious use of SetWindowsHookEx 17 IoCs

Processes:

WINWORD.EXEOpenWith.exe

pid	process
4128	WINWORD.EXE
4128	WINWORD.EXE
4128	WINWORD.EXE
4128	WINWORD.EXE
4128	WINWORD.EXE
4128	WINWORD.EXE
4128	WINWORD.EXE
4128	WINWORD.EXE
4128	WINWORD.EXE
4128	WINWORD.EXE
4128	WINWORD.EXE
4128	WINWORD.EXE
4128	WINWORD.EXE
4128	WINWORD.EXE
4128	WINWORD.EXE
4128	WINWORD.EXE
260	OpenWith.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\-MgreX7dpa4WPkgk7inO8mY5GoPlRFrEsm-GFggZdJw.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4128

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:1168

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:260

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/4128-133-0x00007FFA9A9F0000-0x00007FFA9AA00000-memory.dmp

Filesize
64KB

Download
memory/4128-134-0x00007FFA9A9F0000-0x00007FFA9AA00000-memory.dmp

Filesize
64KB

Download
memory/4128-135-0x00007FFA9A9F0000-0x00007FFA9AA00000-memory.dmp

Filesize
64KB

Download
memory/4128-136-0x00007FFA9A9F0000-0x00007FFA9AA00000-memory.dmp

Filesize
64KB

Download
memory/4128-137-0x00007FFA9A9F0000-0x00007FFA9AA00000-memory.dmp

Filesize
64KB

Download
memory/4128-138-0x00007FFA98740000-0x00007FFA98750000-memory.dmp

Filesize
64KB

Download
memory/4128-139-0x00007FFA98740000-0x00007FFA98750000-memory.dmp

Filesize
64KB

Download
memory/4128-166-0x00007FFA9A9F0000-0x00007FFA9AA00000-memory.dmp

Filesize
64KB

Download
memory/4128-167-0x00007FFA9A9F0000-0x00007FFA9AA00000-memory.dmp

Filesize
64KB

Download
memory/4128-168-0x00007FFA9A9F0000-0x00007FFA9AA00000-memory.dmp

Filesize
64KB

Download
memory/4128-169-0x00007FFA9A9F0000-0x00007FFA9AA00000-memory.dmp

Filesize
64KB

Download