3a0f0986193d0dc5e03ca1229e2509287593c03247e32bb5424009bc35e80738

Resubmissions

08-10-2022 00:17

221008-alen5seafl 10

07-10-2022 06:08

221007-gv6mjsbhhn 10

Analysis

max time kernel
163s
max time network
162s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
07-10-2022 06:08

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General

Target

PKSJ Malware/4/VirusShare_4b8eb7fe75f72c1c5c1f80af9cd165d2.doc
Size

64KB
MD5

4b8eb7fe75f72c1c5c1f80af9cd165d2
SHA1

b227eb90323259f6ff11e0436ba03ebd97706e99
SHA256

55dd85b37566755ea1ffb022030b413d2722120067abd9b298a89a61f4b790c2
SHA512

6a64a0c2d1c9f825aca460c692b96cf40ab511d81ee3d56f52870fe5648d902d6a3ac6c70cc85c4d86bd6b51a1d72373c75635731b2f354f8b541a7727f4e8fd
SSDEEP

1536:LYg6BQIewyy7WxIAGWdw3/WEjMTrP4yyh+A4u7sUjl:t6BQhwAxIbp3XOS

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

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

4652 WINWORD.EXE
4652 WINWORD.EXE

Suspicious use of SetWindowsHookEx 20 IoCs

Processes:

WINWORD.EXE

pid	process
4652	WINWORD.EXE
4652	WINWORD.EXE
4652	WINWORD.EXE
4652	WINWORD.EXE
4652	WINWORD.EXE
4652	WINWORD.EXE
4652	WINWORD.EXE
4652	WINWORD.EXE
4652	WINWORD.EXE
4652	WINWORD.EXE
4652	WINWORD.EXE
4652	WINWORD.EXE
4652	WINWORD.EXE
4652	WINWORD.EXE
4652	WINWORD.EXE
4652	WINWORD.EXE
4652	WINWORD.EXE
4652	WINWORD.EXE
4652	WINWORD.EXE
4652	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\PKSJ Malware\4\VirusShare_4b8eb7fe75f72c1c5c1f80af9cd165d2.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4652

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/4652-132-0x00007FFB88250000-0x00007FFB88260000-memory.dmp

Filesize
64KB

Download
memory/4652-133-0x00007FFB88250000-0x00007FFB88260000-memory.dmp

Filesize
64KB

Download
memory/4652-134-0x00007FFB88250000-0x00007FFB88260000-memory.dmp

Filesize
64KB

Download
memory/4652-135-0x00007FFB88250000-0x00007FFB88260000-memory.dmp

Filesize
64KB

Download
memory/4652-136-0x00007FFB88250000-0x00007FFB88260000-memory.dmp

Filesize
64KB

Download
memory/4652-137-0x00007FFB85B30000-0x00007FFB85B40000-memory.dmp

Filesize
64KB

Download
memory/4652-138-0x00007FFB85B30000-0x00007FFB85B40000-memory.dmp

Filesize
64KB

Download