f863135e1d5d004c3012db647d1ea434aef8583096b8564c8d4c33599d71bc43

Analysis

max time kernel
125s
max time network
140s
platform
windows10_x64
resource
win10-en-20211014
submitted
15-10-2021 06:45

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General

Target

Attachment.doc
Size

341KB
MD5

c5df62fed777cdc07957e29692efaf92
SHA1

09c08ce6f2e71ae8595742145c9edf024689de3a
SHA256

f863135e1d5d004c3012db647d1ea434aef8583096b8564c8d4c33599d71bc43
SHA512

0cdd6f42dd6ccd74302d3b4398c398b1002f1a7243b062fcffa1c880d705f534ef411fb6028d962bcc44d17b95c3c3f72cf46b4de27cf34b5c4eaa20dc63fa9d

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

1900 WINWORD.EXE
1900 WINWORD.EXE
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

WINWORD.EXE

pid process

1900 WINWORD.EXE
1900 WINWORD.EXE
1900 WINWORD.EXE
1900 WINWORD.EXE
1900 WINWORD.EXE
1900 WINWORD.EXE
1900 WINWORD.EXE

pid	process
1900	WINWORD.EXE
1900	WINWORD.EXE

pid	process
1900	WINWORD.EXE
1900	WINWORD.EXE
1900	WINWORD.EXE
1900	WINWORD.EXE
1900	WINWORD.EXE
1900	WINWORD.EXE
1900	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\Attachment.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1900

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/1900-116-0x00007FFF60480000-0x00007FFF60490000-memory.dmp

Filesize
64KB

Download
memory/1900-115-0x00007FFF60480000-0x00007FFF60490000-memory.dmp

Filesize
64KB

Download
memory/1900-117-0x00007FFF60480000-0x00007FFF60490000-memory.dmp

Filesize
64KB

Download
memory/1900-118-0x00007FFF60480000-0x00007FFF60490000-memory.dmp

Filesize
64KB

Download
memory/1900-119-0x00007FFF60480000-0x00007FFF60490000-memory.dmp

Filesize
64KB

Download
memory/1900-121-0x000001B2711C0000-0x000001B2711C2000-memory.dmp

Filesize
8KB

Download
memory/1900-120-0x000001B2711C0000-0x000001B2711C2000-memory.dmp

Filesize
8KB

Download
memory/1900-122-0x000001B2711C0000-0x000001B2711C2000-memory.dmp

Filesize
8KB

Download