ffe2204e7bfc1317ffee2d3c8b623ecfe2c705ed9e92119a4cce3bb6f0eff720

Resubmissions

17-03-2023 08:45

230317-kn6krafb98 10

17-03-2023 08:43

230317-km338shc3y 8

Analysis

max time kernel
29s
max time network
33s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
17-03-2023 08:43

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General

Target

message-38389.doc
Size

522.4MB
MD5

ac04813a8e5ce865e4e158918194fdf6
SHA1

10aafda9b845215dfe5994e793ef0fa1ca5d26fe
SHA256

eeecb3b90163df51ce7b26f7fdaa23b28a6acf127eb64ebee4754158bb15869c
SHA512

aaea8271699ddbe991b39f6e433cf44234ef0607e6024c22a87ce7e580fd71dd7c1eab63963979cecb10237aeefec39c5642c1a4893b1b757fcb856652d8b75f
SSDEEP

6144:zZRtBPT4N/uQaNULlPUvauNTklB7ShcbYdFf8UOPv:zZvJhfKd2amwYdKUq

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	80	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	82	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	88	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	74	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	76	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	78	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	84	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	86	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	91	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

2312 WINWORD.EXE
2312 WINWORD.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

WINWORD.EXE

pid process

2312 WINWORD.EXE
2312 WINWORD.EXE
2312 WINWORD.EXE
2312 WINWORD.EXE
2312 WINWORD.EXE
2312 WINWORD.EXE
2312 WINWORD.EXE
2312 WINWORD.EXE

pid	process
2312	WINWORD.EXE
2312	WINWORD.EXE

pid	process
2312	WINWORD.EXE
2312	WINWORD.EXE
2312	WINWORD.EXE
2312	WINWORD.EXE
2312	WINWORD.EXE
2312	WINWORD.EXE
2312	WINWORD.EXE
2312	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-38389.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2312

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/2312-133-0x00007FFAE6A50000-0x00007FFAE6A60000-memory.dmp

Filesize
64KB

Download
memory/2312-134-0x00007FFAE6A50000-0x00007FFAE6A60000-memory.dmp

Filesize
64KB

Download
memory/2312-135-0x00007FFAE6A50000-0x00007FFAE6A60000-memory.dmp

Filesize
64KB

Download
memory/2312-136-0x00007FFAE6A50000-0x00007FFAE6A60000-memory.dmp

Filesize
64KB

Download
memory/2312-137-0x00007FFAE6A50000-0x00007FFAE6A60000-memory.dmp

Filesize
64KB

Download
memory/2312-138-0x00007FFAE4720000-0x00007FFAE4730000-memory.dmp

Filesize
64KB

Download
memory/2312-139-0x00007FFAE4720000-0x00007FFAE4730000-memory.dmp

Filesize
64KB

Download