4a1c5cce6ca90d46a09229143ee1518e69740adfc91f12cc9bd6d8417b990deb

Analysis

max time kernel
127s
max time network
136s
platform
windows10-1703_x64
resource
win10-20230220-en
resource tags

arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
submitted
23-03-2023 06:17

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General

Target

4a1c5cce6ca90d46a09229143ee1518e69740adfc91f12cc9bd6d8417b990deb.doc
Size

534.2MB
MD5

3d36b417e14f84046bb07304a607f8b3
SHA1

5631659f85614637a52ec29f7f125539e78d59e6
SHA256

4a1c5cce6ca90d46a09229143ee1518e69740adfc91f12cc9bd6d8417b990deb
SHA512

d997c05bca3b7b9457a5b16be46dc613cb8c9d4c8f20630f296f76d04d527ef000d9e0311dfec6839daecdd60eb5420e7f12a2fcea0cf328ae1ae231fb1770ee
SSDEEP

3072:brrCtKZF4eqZ627NHRxMvOwvzpl+vk6jZc:5F4eqYwHMvfvzpKk6Nc

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\~MHz	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	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	22	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	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	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)

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

4268 WINWORD.EXE
4268 WINWORD.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

WINWORD.EXE

pid process

4268 WINWORD.EXE
4268 WINWORD.EXE
4268 WINWORD.EXE
4268 WINWORD.EXE
4268 WINWORD.EXE
4268 WINWORD.EXE
4268 WINWORD.EXE
4268 WINWORD.EXE

pid	process
4268	WINWORD.EXE
4268	WINWORD.EXE

pid	process
4268	WINWORD.EXE
4268	WINWORD.EXE
4268	WINWORD.EXE
4268	WINWORD.EXE
4268	WINWORD.EXE
4268	WINWORD.EXE
4268	WINWORD.EXE
4268	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\4a1c5cce6ca90d46a09229143ee1518e69740adfc91f12cc9bd6d8417b990deb.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4268

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/4268-116-0x00007FF8E5160000-0x00007FF8E5170000-memory.dmp

Filesize
64KB

Download
memory/4268-117-0x00007FF8E5160000-0x00007FF8E5170000-memory.dmp

Filesize
64KB

Download
memory/4268-118-0x00007FF8E5160000-0x00007FF8E5170000-memory.dmp

Filesize
64KB

Download
memory/4268-119-0x00007FF8E5160000-0x00007FF8E5170000-memory.dmp

Filesize
64KB

Download
memory/4268-122-0x00007FF8E16E0000-0x00007FF8E16F0000-memory.dmp

Filesize
64KB

Download
memory/4268-123-0x00007FF8E16E0000-0x00007FF8E16F0000-memory.dmp

Filesize
64KB

Download
memory/4268-377-0x00007FF8E5160000-0x00007FF8E5170000-memory.dmp

Filesize
64KB

Download
memory/4268-378-0x00007FF8E5160000-0x00007FF8E5170000-memory.dmp

Filesize
64KB

Download
memory/4268-379-0x00007FF8E5160000-0x00007FF8E5170000-memory.dmp

Filesize
64KB

Download
memory/4268-380-0x00007FF8E5160000-0x00007FF8E5170000-memory.dmp

Filesize
64KB

Download