21d6e39fb31e2d0efc37f53fc24bed0283f11426b0de28487913d4041e1b643d

Analysis

max time kernel
129s
max time network
140s
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 22:21

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General

Target

21d6e39fb31e2d0efc37f53fc24bed0283f11426b0de28487913d4041e1b643d.doc
Size

195KB
MD5

20579879faa3dd7fa2deff4dbf4188c2
SHA1

d3be5954d5412c6e1e7940e1f965fed8a24da298
SHA256

21d6e39fb31e2d0efc37f53fc24bed0283f11426b0de28487913d4041e1b643d
SHA512

bf24a0b609d3d8df8fc03d7e4e3dbbd8d7d3c824b03eb28c3ef1da43e6de69006b2b4bf6879dd083be353d782fda12a6717fb318ae10c640218496a216ea17bf
SSDEEP

3072:+lmdyGRYHL2mH+pAgZijNQkj6SpVbGEcr:+KaL2KzgZ+2SnGEc

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	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	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	22	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	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	18	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

2256 WINWORD.EXE
2256 WINWORD.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

WINWORD.EXE

pid process

2256 WINWORD.EXE
2256 WINWORD.EXE
2256 WINWORD.EXE
2256 WINWORD.EXE
2256 WINWORD.EXE
2256 WINWORD.EXE
2256 WINWORD.EXE
2256 WINWORD.EXE

pid	process
2256	WINWORD.EXE
2256	WINWORD.EXE

pid	process
2256	WINWORD.EXE
2256	WINWORD.EXE
2256	WINWORD.EXE
2256	WINWORD.EXE
2256	WINWORD.EXE
2256	WINWORD.EXE
2256	WINWORD.EXE
2256	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\21d6e39fb31e2d0efc37f53fc24bed0283f11426b0de28487913d4041e1b643d.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2256

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/2256-116-0x00007FFF25A60000-0x00007FFF25A70000-memory.dmp

Filesize
64KB

Download
memory/2256-117-0x00007FFF25A60000-0x00007FFF25A70000-memory.dmp

Filesize
64KB

Download
memory/2256-118-0x00007FFF25A60000-0x00007FFF25A70000-memory.dmp

Filesize
64KB

Download
memory/2256-119-0x00007FFF25A60000-0x00007FFF25A70000-memory.dmp

Filesize
64KB

Download
memory/2256-122-0x00007FFF21FF0000-0x00007FFF22000000-memory.dmp

Filesize
64KB

Download
memory/2256-123-0x00007FFF21FF0000-0x00007FFF22000000-memory.dmp

Filesize
64KB

Download
memory/2256-369-0x00007FFF25A60000-0x00007FFF25A70000-memory.dmp

Filesize
64KB

Download
memory/2256-370-0x00007FFF25A60000-0x00007FFF25A70000-memory.dmp

Filesize
64KB

Download
memory/2256-371-0x00007FFF25A60000-0x00007FFF25A70000-memory.dmp

Filesize
64KB

Download
memory/2256-372-0x00007FFF25A60000-0x00007FFF25A70000-memory.dmp

Filesize
64KB

Download