f5cd7d35fd05501cebed1ed5a6de2559f4285a865683113dd7911767f0d1aa3d

Analysis

max time kernel
131s
max time network
135s
platform
windows10-1703_x64
resource
win10-20230220-en
resource tags

arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
submitted
27-03-2023 14:06

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General

Target

f5cd7d35fd05501cebed1ed5a6de2559f4285a865683113dd7911767f0d1aa3d.doc
Size

233KB
MD5

9117c76bc262f3cdf53675f8cf3a5ab9
SHA1

f764356a46d8e585be1d8a364e06d282f7905ec3
SHA256

f5cd7d35fd05501cebed1ed5a6de2559f4285a865683113dd7911767f0d1aa3d
SHA512

b71f7b333d0418003036c36bda31af644fcc4a8d90f600385a45129a8f5a9d7361ac940d3314f9d91357b7701712773da43f399a4f59d8cedb9ebf9f921db78a
SSDEEP

3072:PojYfU2ZqlurLFfzAwHSxzAY1xKT70jQkeOtzMByf8gyp9MAK4dLVi:PSed8uXFfJyKY+TSQHSI28D9hTdc

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	17	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	23	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	21	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	25	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	27	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	15	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	19	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

4144 WINWORD.EXE
4144 WINWORD.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

WINWORD.EXE

pid process

4144 WINWORD.EXE
4144 WINWORD.EXE
4144 WINWORD.EXE
4144 WINWORD.EXE
4144 WINWORD.EXE
4144 WINWORD.EXE
4144 WINWORD.EXE
4144 WINWORD.EXE

pid	process
4144	WINWORD.EXE
4144	WINWORD.EXE

pid	process
4144	WINWORD.EXE
4144	WINWORD.EXE
4144	WINWORD.EXE
4144	WINWORD.EXE
4144	WINWORD.EXE
4144	WINWORD.EXE
4144	WINWORD.EXE
4144	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\f5cd7d35fd05501cebed1ed5a6de2559f4285a865683113dd7911767f0d1aa3d.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4144

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/4144-121-0x00007FFD904B0000-0x00007FFD904C0000-memory.dmp

Filesize
64KB

Download
memory/4144-122-0x00007FFD904B0000-0x00007FFD904C0000-memory.dmp

Filesize
64KB

Download
memory/4144-123-0x00007FFD904B0000-0x00007FFD904C0000-memory.dmp

Filesize
64KB

Download
memory/4144-124-0x00007FFD904B0000-0x00007FFD904C0000-memory.dmp

Filesize
64KB

Download
memory/4144-127-0x00007FFD8D690000-0x00007FFD8D6A0000-memory.dmp

Filesize
64KB

Download
memory/4144-129-0x00007FFD8D690000-0x00007FFD8D6A0000-memory.dmp

Filesize
64KB

Download
memory/4144-394-0x00007FFD904B0000-0x00007FFD904C0000-memory.dmp

Filesize
64KB

Download
memory/4144-395-0x00007FFD904B0000-0x00007FFD904C0000-memory.dmp

Filesize
64KB

Download
memory/4144-396-0x00007FFD904B0000-0x00007FFD904C0000-memory.dmp

Filesize
64KB

Download
memory/4144-397-0x00007FFD904B0000-0x00007FFD904C0000-memory.dmp

Filesize
64KB

Download