0706815585b882817440ccbff26fc71ff2752e9506cdef4b31e8d69a00f8a854

Resubmissions

16-03-2023 22:20

230316-19dd4afc8x 8

16-03-2023 22:15

230316-16cndsda94 10

Analysis

max time kernel
150s
max time network
126s
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 22:20

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Message_1703.doc
Size

528.3MB
MD5

21696610f8f508f7af28e598313bd273
SHA1

c1d3571ffc479ba8dc92456decb486e6cd6ade2f
SHA256

74f022ee118deffa2e5c967e87760fe3c8b405e01fd363e35fb371c5e3edb00b
SHA512

4a79e7432e4c0dcdc5cd388204c27ceff6fe12ebe90c7ffceb9734713944cd1c53ecd5b721c41a14379c6f3489a35fd53e11d1d89f56246437eefa28c5d89e2d
SSDEEP

6144:ip32/gDd0Nmt71wFmSWjfDrV8YQnZocbyrX4NqclWL9:ip32SEmtJwFmhjfPtrXqqyW

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 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

Script User-Agent 9 IoCs

Uses user-agent string associated with script host/environment.

Processes:

description	flow	ioc
HTTP User-Agent header	48	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	52	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	59	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	46	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	50	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	54	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	56	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	61	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	63	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

1784 WINWORD.EXE
1784 WINWORD.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

WINWORD.EXE

pid process

1784 WINWORD.EXE
1784 WINWORD.EXE
1784 WINWORD.EXE
1784 WINWORD.EXE
1784 WINWORD.EXE
1784 WINWORD.EXE
1784 WINWORD.EXE
1784 WINWORD.EXE

pid	process
1784	WINWORD.EXE
1784	WINWORD.EXE

pid	process
1784	WINWORD.EXE
1784	WINWORD.EXE
1784	WINWORD.EXE
1784	WINWORD.EXE
1784	WINWORD.EXE
1784	WINWORD.EXE
1784	WINWORD.EXE
1784	WINWORD.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\Message_1703.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1784

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

Loading Replay Monitor...

Downloads

memory/1784-133-0x00007FFB544D0000-0x00007FFB544E0000-memory.dmp

Filesize
64KB

Download
memory/1784-134-0x00007FFB544D0000-0x00007FFB544E0000-memory.dmp

Filesize
64KB

Download
memory/1784-135-0x00007FFB544D0000-0x00007FFB544E0000-memory.dmp

Filesize
64KB

Download
memory/1784-136-0x00007FFB544D0000-0x00007FFB544E0000-memory.dmp

Filesize
64KB

Download
memory/1784-137-0x00007FFB544D0000-0x00007FFB544E0000-memory.dmp

Filesize
64KB

Download
memory/1784-138-0x00007FFB52470000-0x00007FFB52480000-memory.dmp

Filesize
64KB

Download
memory/1784-139-0x00007FFB52470000-0x00007FFB52480000-memory.dmp

Filesize
64KB

Download
memory/1784-169-0x00007FFB544D0000-0x00007FFB544E0000-memory.dmp

Filesize
64KB

Download
memory/1784-170-0x00007FFB544D0000-0x00007FFB544E0000-memory.dmp

Filesize
64KB

Download
memory/1784-171-0x00007FFB544D0000-0x00007FFB544E0000-memory.dmp

Filesize
64KB

Download
memory/1784-172-0x00007FFB544D0000-0x00007FFB544E0000-memory.dmp

Filesize
64KB

Download