c527b03caf1b11138845e12a19b81ccdbc2f50f69c52e249d44652050cc30fa1

Analysis

max time kernel
142s
max time network
139s
platform
windows10_x64
resource
win10v20201028
submitted
19-01-2021 06:02

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General

Target

FedEx 772584418730.doc.rtf
Size

504KB
MD5

7aeebfb82be46c7753fce4382115b326
SHA1

e207226193a25f6eb8011accaed451d9156924ff
SHA256

c527b03caf1b11138845e12a19b81ccdbc2f50f69c52e249d44652050cc30fa1
SHA512

7b509f3b3791b5da8ec1f73c04e72d7c048c6e90df21d3792b4725d3422b30785f8be0e52f35471f271f3b25edddeb6ecf4b81334afd964f8c7964107f53d7eb

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

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

Processes:

WINWORD.EXE

pid process

640 WINWORD.EXE
640 WINWORD.EXE
640 WINWORD.EXE
640 WINWORD.EXE
640 WINWORD.EXE
640 WINWORD.EXE
640 WINWORD.EXE
640 WINWORD.EXE

pid	process
640	WINWORD.EXE
640	WINWORD.EXE

pid	process
640	WINWORD.EXE
640	WINWORD.EXE
640	WINWORD.EXE
640	WINWORD.EXE
640	WINWORD.EXE
640	WINWORD.EXE
640	WINWORD.EXE
640	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\FedEx 772584418730.doc.rtf" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:640

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/640-2-0x00007FF9C3DC0000-0x00007FF9C3DD0000-memory.dmp

Filesize
64KB

Download
memory/640-3-0x00007FF9C3DC0000-0x00007FF9C3DD0000-memory.dmp

Filesize
64KB

Download
memory/640-4-0x00007FF9C3DC0000-0x00007FF9C3DD0000-memory.dmp

Filesize
64KB

Download
memory/640-5-0x00007FF9C3DC0000-0x00007FF9C3DD0000-memory.dmp

Filesize
64KB

Download
memory/640-6-0x0000020EE7FB0000-0x0000020EE85E7000-memory.dmp

Filesize
6.2MB

Download
memory/640-7-0x00007FF9C0950000-0x00007FF9C0960000-memory.dmp

Filesize
64KB

Download

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads