f72c3339a6ce6a8ba0fe430773d99e890d19d54357d14e838501bfea0b1cb2f1

Analysis

max time kernel
129s
max time network
133s
platform
windows10-1703_x64
resource
win10-20230220-en
resource tags

arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
submitted
22-03-2023 16:22

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General

Target

f72c3339a6ce6a8ba0fe430773d99e890d19d54357d14e838501bfea0b1cb2f1.doc
Size

207KB
MD5

ca35c5ec8c75acc2c9ba7c19076ade0d
SHA1

ca31df8e4d94ed1d9648f103462f11988e87e77b
SHA256

f72c3339a6ce6a8ba0fe430773d99e890d19d54357d14e838501bfea0b1cb2f1
SHA512

6b51039c707b2f89f495d94b49c2cb3d57132bc333933687e3e7c598aa2b6ee9132c6e4863b92f52ac78227e6e515b8ee0bc6a414e2e2f5aa06f499dfa0da218
SSDEEP

3072:r43Tj6XFk1R81XNvvMGSsLyVwy+WNX3pMwwrnYD5LPfF:r43T2N++WF3KfrYD5LPfF

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 10 IoCs

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

Processes:

description	flow	ioc
HTTP User-Agent header	10	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	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	8	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)
HTTP User-Agent header	12	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

3428 WINWORD.EXE
3428 WINWORD.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

WINWORD.EXE

pid process

3428 WINWORD.EXE
3428 WINWORD.EXE
3428 WINWORD.EXE
3428 WINWORD.EXE
3428 WINWORD.EXE
3428 WINWORD.EXE
3428 WINWORD.EXE
3428 WINWORD.EXE

pid	process
3428	WINWORD.EXE
3428	WINWORD.EXE

pid	process
3428	WINWORD.EXE
3428	WINWORD.EXE
3428	WINWORD.EXE
3428	WINWORD.EXE
3428	WINWORD.EXE
3428	WINWORD.EXE
3428	WINWORD.EXE
3428	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\f72c3339a6ce6a8ba0fe430773d99e890d19d54357d14e838501bfea0b1cb2f1.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3428

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/3428-121-0x00007FFE43660000-0x00007FFE43670000-memory.dmp

Filesize
64KB

Download
memory/3428-122-0x00007FFE43660000-0x00007FFE43670000-memory.dmp

Filesize
64KB

Download
memory/3428-123-0x00007FFE43660000-0x00007FFE43670000-memory.dmp

Filesize
64KB

Download
memory/3428-124-0x00007FFE43660000-0x00007FFE43670000-memory.dmp

Filesize
64KB

Download
memory/3428-127-0x00007FFE3FE40000-0x00007FFE3FE50000-memory.dmp

Filesize
64KB

Download
memory/3428-128-0x00007FFE3FE40000-0x00007FFE3FE50000-memory.dmp

Filesize
64KB

Download
memory/3428-332-0x0000021D43680000-0x0000021D436AF000-memory.dmp

Filesize
188KB

Download
memory/3428-334-0x0000021D43680000-0x0000021D436AF000-memory.dmp

Filesize
188KB

Download
memory/3428-417-0x00007FFE43660000-0x00007FFE43670000-memory.dmp

Filesize
64KB

Download
memory/3428-418-0x00007FFE43660000-0x00007FFE43670000-memory.dmp

Filesize
64KB

Download
memory/3428-419-0x00007FFE43660000-0x00007FFE43670000-memory.dmp

Filesize
64KB

Download
memory/3428-420-0x00007FFE43660000-0x00007FFE43670000-memory.dmp

Filesize
64KB

Download
memory/3428-421-0x0000021D43680000-0x0000021D436AF000-memory.dmp

Filesize
188KB

Download