c7cb8dbdcd8cfdb6d2440080afc3e715b6984b5ab2b88e9919fbb70136325368

Analysis

max time kernel
128s
max time network
149s
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

c7cb8dbdcd8cfdb6d2440080afc3e715b6984b5ab2b88e9919fbb70136325368.doc
Size

290KB
MD5

9e165cbfb9c884725bbd4df0f83b139a
SHA1

713a6d2bc02f69c677c15a6552185eca010394dd
SHA256

c7cb8dbdcd8cfdb6d2440080afc3e715b6984b5ab2b88e9919fbb70136325368
SHA512

cc0a6546df04e53546ab456d380c61b8859555e7219a34f42161157b157d59bfc31caff7b216be57186aa9d369fc7d2a0f64e2c9bf53956941b779478b52261f
SSDEEP

3072:Fnmahvzr1u2/MbZWMRch0bND6b38zFjjac92mM0WDTAG7UaVGVFoQ9cTMsTViEdp:YkvgZWth0bd6b3QnJ2JbuaaqTMCJp

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 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	8	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	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	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)
HTTP User-Agent header	22	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

4028 WINWORD.EXE
4028 WINWORD.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

WINWORD.EXE

pid process

4028 WINWORD.EXE
4028 WINWORD.EXE
4028 WINWORD.EXE
4028 WINWORD.EXE
4028 WINWORD.EXE
4028 WINWORD.EXE
4028 WINWORD.EXE
4028 WINWORD.EXE

pid	process
4028	WINWORD.EXE
4028	WINWORD.EXE

pid	process
4028	WINWORD.EXE
4028	WINWORD.EXE
4028	WINWORD.EXE
4028	WINWORD.EXE
4028	WINWORD.EXE
4028	WINWORD.EXE
4028	WINWORD.EXE
4028	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\c7cb8dbdcd8cfdb6d2440080afc3e715b6984b5ab2b88e9919fbb70136325368.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4028

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/4028-120-0x00007FFD7DFF0000-0x00007FFD7E000000-memory.dmp

Filesize
64KB

Download
memory/4028-121-0x00007FFD7DFF0000-0x00007FFD7E000000-memory.dmp

Filesize
64KB

Download
memory/4028-122-0x00007FFD7DFF0000-0x00007FFD7E000000-memory.dmp

Filesize
64KB

Download
memory/4028-123-0x00007FFD7DFF0000-0x00007FFD7E000000-memory.dmp

Filesize
64KB

Download
memory/4028-126-0x00007FFD7A580000-0x00007FFD7A590000-memory.dmp

Filesize
64KB

Download
memory/4028-127-0x00007FFD7A580000-0x00007FFD7A590000-memory.dmp

Filesize
64KB

Download
memory/4028-393-0x00007FFD7DFF0000-0x00007FFD7E000000-memory.dmp

Filesize
64KB

Download
memory/4028-394-0x00007FFD7DFF0000-0x00007FFD7E000000-memory.dmp

Filesize
64KB

Download
memory/4028-395-0x00007FFD7DFF0000-0x00007FFD7E000000-memory.dmp

Filesize
64KB

Download
memory/4028-396-0x00007FFD7DFF0000-0x00007FFD7E000000-memory.dmp

Filesize
64KB

Download