ecdc9991474a686f3d6c7a379728180754586c651a140d695cb0cf828a64348e

Analysis

max time kernel
137s
max time network
130s
platform
windows10_x64
resource
win10v20201028
submitted
08-03-2021 19:36

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General

Target

Annexe modification sectorisation scolaire élémentaire.d oc.doc
Size

34KB
MD5

12721f5f36438344df79a8032a1f9cf3
SHA1

8d44f347bd421ca9cc0d8313c2882cb7a4f7c4ba
SHA256

ecdc9991474a686f3d6c7a379728180754586c651a140d695cb0cf828a64348e
SHA512

f99a80e0a9c8804ae03dd443443bff529e882773400151a3110ae475afe5176fa615c736ded3d3f7b1ae05f9286f388b7cbf680086f9d1285ff2cef7b11df948

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

4764 WINWORD.EXE
4764 WINWORD.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

WINWORD.EXE

pid process

4764 WINWORD.EXE
4764 WINWORD.EXE
4764 WINWORD.EXE
4764 WINWORD.EXE
4764 WINWORD.EXE
4764 WINWORD.EXE
4764 WINWORD.EXE
4764 WINWORD.EXE

pid	process
4764	WINWORD.EXE
4764	WINWORD.EXE

pid	process
4764	WINWORD.EXE
4764	WINWORD.EXE
4764	WINWORD.EXE
4764	WINWORD.EXE
4764	WINWORD.EXE
4764	WINWORD.EXE
4764	WINWORD.EXE
4764	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\Annexe modification sectorisation scolaire élémentaire.d oc.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4764

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/4764-2-0x00007FF91BD80000-0x00007FF91BD90000-memory.dmp

Filesize
64KB

Download
memory/4764-3-0x00007FF91BD80000-0x00007FF91BD90000-memory.dmp

Filesize
64KB

Download
memory/4764-4-0x00007FF91BD80000-0x00007FF91BD90000-memory.dmp

Filesize
64KB

Download
memory/4764-5-0x00007FF942070000-0x00007FF9426A7000-memory.dmp

Filesize
6.2MB

Download
memory/4764-6-0x00007FF91BD80000-0x00007FF91BD90000-memory.dmp

Filesize
64KB

Download