491c00fdd923fa108534bd756d671604221dee6045876c38003a9608984c87fb

Analysis

max time kernel
129s
max time network
141s
platform
windows10-1703_x64
resource
win10-20230220-en
resource tags

arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
submitted
21-03-2023 23:37

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General

Target

491c00fdd923fa108534bd756d671604221dee6045876c38003a9608984c87fb.doc
Size

321KB
MD5

b6959d69ea9e910ef9845a747dbf4ec6
SHA1

db842a6f2c9a87016e9ad57e0eb247ba30929607
SHA256

491c00fdd923fa108534bd756d671604221dee6045876c38003a9608984c87fb
SHA512

49c9ec40b7a05a7a821f9fbea15b04666f959ef7a6a2521bf5e6384de25e1e0f72dd287849ad0ddc4c134b6db4d2c4b219cbd77ba9de9da83e37a3c101c2ecc0
SSDEEP

6144:5BmDosGlcH4WGDsxsefRA9mJpoiCam9K+7mlOCFu4:T0osG+gDsaoRRpoDaGfZyu

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

Script User-Agent 10 IoCs

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

Processes:

description	flow	ioc
HTTP User-Agent header	10	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	20	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	24	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	26	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	8	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	12	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	14	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	16	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	18	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	22	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

2788 WINWORD.EXE
2788 WINWORD.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

WINWORD.EXE

pid process

2788 WINWORD.EXE
2788 WINWORD.EXE
2788 WINWORD.EXE
2788 WINWORD.EXE
2788 WINWORD.EXE
2788 WINWORD.EXE
2788 WINWORD.EXE
2788 WINWORD.EXE

pid	process
2788	WINWORD.EXE
2788	WINWORD.EXE

pid	process
2788	WINWORD.EXE
2788	WINWORD.EXE
2788	WINWORD.EXE
2788	WINWORD.EXE
2788	WINWORD.EXE
2788	WINWORD.EXE
2788	WINWORD.EXE
2788	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\491c00fdd923fa108534bd756d671604221dee6045876c38003a9608984c87fb.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2788

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/2788-119-0x00007FFF847C0000-0x00007FFF847D0000-memory.dmp

Filesize
64KB

Download
memory/2788-120-0x00007FFF847C0000-0x00007FFF847D0000-memory.dmp

Filesize
64KB

Download
memory/2788-121-0x00007FFF847C0000-0x00007FFF847D0000-memory.dmp

Filesize
64KB

Download
memory/2788-122-0x00007FFF847C0000-0x00007FFF847D0000-memory.dmp

Filesize
64KB

Download
memory/2788-125-0x00007FFF81C10000-0x00007FFF81C20000-memory.dmp

Filesize
64KB

Download
memory/2788-126-0x00007FFF81C10000-0x00007FFF81C20000-memory.dmp

Filesize
64KB

Download
memory/2788-325-0x00000192652D0000-0x0000019265361000-memory.dmp

Filesize
580KB

Download
memory/2788-328-0x00000192652D0000-0x0000019265361000-memory.dmp

Filesize
580KB

Download
memory/2788-329-0x00000192652D0000-0x0000019265361000-memory.dmp

Filesize
580KB

Download
memory/2788-331-0x00000192652D0000-0x0000019265361000-memory.dmp

Filesize
580KB

Download
memory/2788-335-0x00000192652D0000-0x0000019265361000-memory.dmp

Filesize
580KB

Download
memory/2788-400-0x00007FFF847C0000-0x00007FFF847D0000-memory.dmp

Filesize
64KB

Download
memory/2788-401-0x00007FFF847C0000-0x00007FFF847D0000-memory.dmp

Filesize
64KB

Download
memory/2788-402-0x00007FFF847C0000-0x00007FFF847D0000-memory.dmp

Filesize
64KB

Download
memory/2788-403-0x00007FFF847C0000-0x00007FFF847D0000-memory.dmp

Filesize
64KB

Download
memory/2788-404-0x00000192652D0000-0x0000019265361000-memory.dmp

Filesize
580KB

Download