a9bf119619e2f4679faef45b00a071a7bfb1b194899011770bc22e6b313c3378

Analysis

max time kernel
102s
max time network
125s
platform
windows10_x64
resource
win10v20201028
submitted
08-04-2021 08:12

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General

Target

416a8fa11d55a943aeb9516dfea4a66c.docx
Size

16KB
MD5

416a8fa11d55a943aeb9516dfea4a66c
SHA1

c9d2f38511acdb9737ffecd982b6891da774103d
SHA256

a9bf119619e2f4679faef45b00a071a7bfb1b194899011770bc22e6b313c3378
SHA512

cc2762ac2d2ffbd0d9887e4a582749d823c1293820191d60fb53f86e8be1305528bb782e7f62502544e2af55d0a16cc854b29adb30f8560ee03a11bf04d5235f

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

4640 WINWORD.EXE
4640 WINWORD.EXE
Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

WINWORD.EXE

pid process

4640 WINWORD.EXE
4640 WINWORD.EXE
4640 WINWORD.EXE
4640 WINWORD.EXE
4640 WINWORD.EXE

pid	process
4640	WINWORD.EXE
4640	WINWORD.EXE

pid	process
4640	WINWORD.EXE
4640	WINWORD.EXE
4640	WINWORD.EXE
4640	WINWORD.EXE
4640	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\416a8fa11d55a943aeb9516dfea4a66c.docx" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4640

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/4640-114-0x00007FF9A2350000-0x00007FF9A2360000-memory.dmp

Filesize
64KB

Download
memory/4640-115-0x00007FF9A2350000-0x00007FF9A2360000-memory.dmp

Filesize
64KB

Download
memory/4640-116-0x00007FF9A2350000-0x00007FF9A2360000-memory.dmp

Filesize
64KB

Download
memory/4640-117-0x00007FF9A2350000-0x00007FF9A2360000-memory.dmp

Filesize
64KB

Download
memory/4640-119-0x00007FF9A2350000-0x00007FF9A2360000-memory.dmp

Filesize
64KB

Download
memory/4640-118-0x00007FF9C2730000-0x00007FF9C5253000-memory.dmp

Filesize
43.1MB

Download
memory/4640-122-0x00007FF9BE620000-0x00007FF9BF70E000-memory.dmp

Filesize
16.9MB

Download
memory/4640-123-0x00007FF9BC1C0000-0x00007FF9BE0B5000-memory.dmp

Filesize
31.0MB

Download