45fb8507138935dda07ec1fb243b61e18954f44691f383e48e32301a4dd5d61c

Analysis

max time kernel
26s
max time network
40s
platform
windows10-1703_x64
resource
win10-20230220-en
resource tags

arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
submitted
14-03-2023 10:04

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General

Target

45fb8507138935dda07ec1fb243b61e18954f44691f383e48e32301a4dd5d61c.doc
Size

534.3MB
MD5

bf16595909993047ef58203821614b7c
SHA1

cc3715547c98a950ad61842026045de915f6ab98
SHA256

45fb8507138935dda07ec1fb243b61e18954f44691f383e48e32301a4dd5d61c
SHA512

b56d9c99ca78b503ff426536407447a7e750a01af5af9f3ab4f12dc872b8b3a798d83eb2f9867869ee29daefc947fd5b82d953e72d3529e3291e1a5370d3a9b0
SSDEEP

6144:1620tqUx3Xu+7ZkRIDNGi9a0Va5UAClo:1620tqm3+I2ezcz5U3lo

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 7 IoCs

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

Processes:

description	flow	ioc
HTTP User-Agent header	18	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	8	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	10	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)

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

1724 WINWORD.EXE
1724 WINWORD.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

WINWORD.EXE

pid process

1724 WINWORD.EXE
1724 WINWORD.EXE
1724 WINWORD.EXE
1724 WINWORD.EXE
1724 WINWORD.EXE
1724 WINWORD.EXE
1724 WINWORD.EXE
1724 WINWORD.EXE

pid	process
1724	WINWORD.EXE
1724	WINWORD.EXE

pid	process
1724	WINWORD.EXE
1724	WINWORD.EXE
1724	WINWORD.EXE
1724	WINWORD.EXE
1724	WINWORD.EXE
1724	WINWORD.EXE
1724	WINWORD.EXE
1724	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\45fb8507138935dda07ec1fb243b61e18954f44691f383e48e32301a4dd5d61c.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1724

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/1724-121-0x00007FFE5AF90000-0x00007FFE5AFA0000-memory.dmp

Filesize
64KB

Download
memory/1724-122-0x00007FFE5AF90000-0x00007FFE5AFA0000-memory.dmp

Filesize
64KB

Download
memory/1724-123-0x00007FFE5AF90000-0x00007FFE5AFA0000-memory.dmp

Filesize
64KB

Download
memory/1724-124-0x00007FFE5AF90000-0x00007FFE5AFA0000-memory.dmp

Filesize
64KB

Download
memory/1724-127-0x00007FFE580C0000-0x00007FFE580D0000-memory.dmp

Filesize
64KB

Download
memory/1724-128-0x00007FFE580C0000-0x00007FFE580D0000-memory.dmp

Filesize
64KB

Download