43b70d6f8bd360f7ad9bcb4f9f0bd70adbab27a733d27ec320168e1a127d8481

Analysis

max time kernel
101s
max time network
134s
platform
windows10_x64
resource
win10v20210410
submitted
03-05-2021 12:48

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General

Target

PO20210503.docx
Size

10KB
MD5

01efad1d21685954881771187b7c89a3
SHA1

27a25eb720a4463bc31ce42d344cb42e634c3ef8
SHA256

43b70d6f8bd360f7ad9bcb4f9f0bd70adbab27a733d27ec320168e1a127d8481
SHA512

80e44521033828bcd8943870d751139ae76b38e2d02f3dce8ac56df322c2ebc70d92fb8036850be373e8f0e23c4649a3b774523a3431cf59888a42e2c5e1e955

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

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

3916 WINWORD.EXE
3916 WINWORD.EXE
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

WINWORD.EXE

description pid process

Token: SeAuditPrivilege 3916 WINWORD.EXE
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

WINWORD.EXE

pid process

3916 WINWORD.EXE
3916 WINWORD.EXE
3916 WINWORD.EXE
3916 WINWORD.EXE
3916 WINWORD.EXE
3916 WINWORD.EXE

pid	process
3916	WINWORD.EXE
3916	WINWORD.EXE

description	pid	process
Token: SeAuditPrivilege	3916	WINWORD.EXE

pid	process
3916	WINWORD.EXE
3916	WINWORD.EXE
3916	WINWORD.EXE
3916	WINWORD.EXE
3916	WINWORD.EXE
3916	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\PO20210503.docx" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3916

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3916-114-0x00007FFB4C800000-0x00007FFB4C810000-memory.dmp

Filesize
64KB

Download
memory/3916-115-0x00007FFB4C800000-0x00007FFB4C810000-memory.dmp

Filesize
64KB

Download
memory/3916-116-0x00007FFB4C800000-0x00007FFB4C810000-memory.dmp

Filesize
64KB

Download
memory/3916-117-0x00007FFB4C800000-0x00007FFB4C810000-memory.dmp

Filesize
64KB

Download
memory/3916-119-0x00007FFB4C800000-0x00007FFB4C810000-memory.dmp

Filesize
64KB

Download
memory/3916-118-0x00007FFB6E240000-0x00007FFB70D63000-memory.dmp

Filesize
43.1MB

Download
memory/3916-122-0x00007FFB68C80000-0x00007FFB69D6E000-memory.dmp

Filesize
16.9MB

Download
memory/3916-123-0x00007FFB65760000-0x00007FFB67655000-memory.dmp

Filesize
31.0MB

Download