51f1fdf15170d27b6c36e52407bc57e614400179e93fb406eb8e8d6a1d3ecfa7

Resubmissions

09-03-2023 06:42

230309-hgpybaah95 10

07-03-2023 13:00

230307-p826aaaa95 8

07-03-2023 12:24

230307-pljqeshc7z 10

Analysis

max time kernel
110s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
07-03-2023 13:00

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

INVOICE 589 03_23.doc
Size

526.2MB
MD5

b59808aba76dd0095aa06133382de9ed
SHA1

59aed06213b305d2877031e8ef489064ef74ca74
SHA256

2e116e6a43dcc2ee55df34664a7d5bfae36918f3a8ce5af97be6cb99e3a4de5b
SHA512

134c7c9929c277a3ec0403c2246214059d107c78c0056f8190218e0d16ded3cfaa7a4682d695f9e6212c66220cb222589c8fcd19f6ea70a00994eb06eec6566b
SSDEEP

3072:eoEW2aOtFjH0lP2IpjctfRcVVwEi/A8NVM1wIOCbX6bYLjWFJuvx7ueK6:ZE1aOtFa2I9c3aVw4zwxCbJ4Jup

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 7 IoCs

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

Processes:

description	flow	ioc
HTTP User-Agent header	42	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	31	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	33	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	35	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	37	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	38	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	40	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

4768 WINWORD.EXE
4768 WINWORD.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

WINWORD.EXE

pid process

4768 WINWORD.EXE
4768 WINWORD.EXE
4768 WINWORD.EXE
4768 WINWORD.EXE
4768 WINWORD.EXE
4768 WINWORD.EXE
4768 WINWORD.EXE
4768 WINWORD.EXE

pid	process
4768	WINWORD.EXE
4768	WINWORD.EXE

pid	process
4768	WINWORD.EXE
4768	WINWORD.EXE
4768	WINWORD.EXE
4768	WINWORD.EXE
4768	WINWORD.EXE
4768	WINWORD.EXE
4768	WINWORD.EXE
4768	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\INVOICE 589 03_23.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4768

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/4768-133-0x00007FFB16D90000-0x00007FFB16DA0000-memory.dmp

Filesize
64KB

Download
memory/4768-134-0x00007FFB16D90000-0x00007FFB16DA0000-memory.dmp

Filesize
64KB

Download
memory/4768-135-0x00007FFB16D90000-0x00007FFB16DA0000-memory.dmp

Filesize
64KB

Download
memory/4768-136-0x00007FFB16D90000-0x00007FFB16DA0000-memory.dmp

Filesize
64KB

Download
memory/4768-137-0x00007FFB16D90000-0x00007FFB16DA0000-memory.dmp

Filesize
64KB

Download
memory/4768-138-0x00007FFB14960000-0x00007FFB14970000-memory.dmp

Filesize
64KB

Download
memory/4768-139-0x00007FFB14960000-0x00007FFB14970000-memory.dmp

Filesize
64KB

Download
memory/4768-168-0x00007FFB16D90000-0x00007FFB16DA0000-memory.dmp

Filesize
64KB

Download
memory/4768-169-0x00007FFB16D90000-0x00007FFB16DA0000-memory.dmp

Filesize
64KB

Download
memory/4768-170-0x00007FFB16D90000-0x00007FFB16DA0000-memory.dmp

Filesize
64KB

Download
memory/4768-171-0x00007FFB16D90000-0x00007FFB16DA0000-memory.dmp

Filesize
64KB

Download