ef4f00ef898af4684313869d9a68fe96701e3341e5f94172374800484f9d6f25

Analysis

max time kernel
129s
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 23:32

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General

Target

ef4f00ef898af4684313869d9a68fe96701e3341e5f94172374800484f9d6f25.doc
Size

253KB
MD5

703517ce071eb9ed6d831ff06319a1d5
SHA1

2e3481ba985e4e6f82714c4723e02b90814db812
SHA256

ef4f00ef898af4684313869d9a68fe96701e3341e5f94172374800484f9d6f25
SHA512

bba9ba78c3c12918f0f8bbc5d73f680e78baa5505487a3d00e9bd104855fa253016c50282391013e9f80231ce227b120fa2d32aab6bdfec687c5a2022e071219
SSDEEP

3072:Gw2e6pQqKpXdEbwde5lgfOiqeNn1+o/x0Q6aUmDSKSNLnIiPf8xMwH99P:GwmXoClPzKp0Q6aUmWKSNTIiPkxPH9

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	12	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	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	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	24	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\ef4f00ef898af4684313869d9a68fe96701e3341e5f94172374800484f9d6f25.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/4268-116-0x00007FFE849B0000-0x00007FFE849C0000-memory.dmp

Filesize
64KB

Download
memory/4268-117-0x00007FFE849B0000-0x00007FFE849C0000-memory.dmp

Filesize
64KB

Download
memory/4268-118-0x00007FFE849B0000-0x00007FFE849C0000-memory.dmp

Filesize
64KB

Download
memory/4268-119-0x00007FFE849B0000-0x00007FFE849C0000-memory.dmp

Filesize
64KB

Download
memory/4268-122-0x00007FFE816B0000-0x00007FFE816C0000-memory.dmp

Filesize
64KB

Download
memory/4268-123-0x00007FFE816B0000-0x00007FFE816C0000-memory.dmp

Filesize
64KB

Download
memory/4268-372-0x00007FFE849B0000-0x00007FFE849C0000-memory.dmp

Filesize
64KB

Download
memory/4268-373-0x00007FFE849B0000-0x00007FFE849C0000-memory.dmp

Filesize
64KB

Download
memory/4268-374-0x00007FFE849B0000-0x00007FFE849C0000-memory.dmp

Filesize
64KB

Download
memory/4268-375-0x00007FFE849B0000-0x00007FFE849C0000-memory.dmp

Filesize
64KB

Download