a26710aa82733dff77167bcf0238483001ecad7ee9a8b727aa4328850e2b150a

Resubmissions

09-03-2023 11:31

230309-nmvnmscb23 8

09-03-2023 11:26

230309-nj43xaba6x 10

Analysis

max time kernel
113s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
09-03-2023 11:31

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General

Target

form.doc
Size

517.4MB
MD5

4e607710b49e7af26a7af785b3ec8469
SHA1

037609b372c246ef59fbc8943e38dad8ba2edda9
SHA256

5ad62d5acf965029c502414f255ef06b4ef3d7ba8f650ad209d12fb0e7e6888b
SHA512

ea7120f36dcc8a46818b65546de080d0bd07b813a950d238df97f6c01119d1b5a16f46d01f0ee0c99ca153b941abbcf8659f51e96900522a9761a552995f4dd1
SSDEEP

6144:ogJI9kbGiyDlVYoD2qe2qBgYZDyc+1Jg+CHf8biy/xllXQQgI2V:suyvDlGoUXZDyc0HCHf2Jxpg

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

Script User-Agent 6 IoCs

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

Processes:

description	flow	ioc
HTTP User-Agent header	52	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	45	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	48	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	50	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

2492 WINWORD.EXE
2492 WINWORD.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

WINWORD.EXE

pid process

2492 WINWORD.EXE
2492 WINWORD.EXE
2492 WINWORD.EXE
2492 WINWORD.EXE
2492 WINWORD.EXE
2492 WINWORD.EXE
2492 WINWORD.EXE
2492 WINWORD.EXE

pid	process
2492	WINWORD.EXE
2492	WINWORD.EXE

pid	process
2492	WINWORD.EXE
2492	WINWORD.EXE
2492	WINWORD.EXE
2492	WINWORD.EXE
2492	WINWORD.EXE
2492	WINWORD.EXE
2492	WINWORD.EXE
2492	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\form.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2492

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

C:\Users\Admin\AppData\Roaming\Microsoft\UProof\ExcludeDictionaryEN0409.lex
Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
memory/2492-133-0x00007FFF16870000-0x00007FFF16880000-memory.dmp

Filesize
64KB

Download
memory/2492-135-0x00007FFF16870000-0x00007FFF16880000-memory.dmp

Filesize
64KB

Download
memory/2492-134-0x00007FFF16870000-0x00007FFF16880000-memory.dmp

Filesize
64KB

Download
memory/2492-136-0x00007FFF16870000-0x00007FFF16880000-memory.dmp

Filesize
64KB

Download
memory/2492-137-0x00007FFF16870000-0x00007FFF16880000-memory.dmp

Filesize
64KB

Download
memory/2492-138-0x00007FFF14770000-0x00007FFF14780000-memory.dmp

Filesize
64KB

Download
memory/2492-139-0x00007FFF14770000-0x00007FFF14780000-memory.dmp

Filesize
64KB

Download
memory/2492-175-0x00007FFF16870000-0x00007FFF16880000-memory.dmp

Filesize
64KB

Download
memory/2492-176-0x00007FFF16870000-0x00007FFF16880000-memory.dmp

Filesize
64KB

Download
memory/2492-177-0x00007FFF16870000-0x00007FFF16880000-memory.dmp

Filesize
64KB

Download
memory/2492-178-0x00007FFF16870000-0x00007FFF16880000-memory.dmp

Filesize
64KB

Download