bd7c85d56fe722221c6b0d7e0c2c37e912f7b16a85dfd2d159c426b99e726ddd

Analysis

max time kernel
136s
max time network
119s
platform
windows10_x64
resource
win10v20201028
submitted
08-04-2021 06:09

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General

Target

PR_A1191-04052021.xlsx
Size

2.1MB
MD5

7c87ef46e0285586d13ae8c4837b43b2
SHA1

34e125247aee2ff663f7fcae715dc87dc08f8ee9
SHA256

bd7c85d56fe722221c6b0d7e0c2c37e912f7b16a85dfd2d159c426b99e726ddd
SHA512

74f3c8d602383bdb86e00c93909aa82b2de682fb44d75275f12f75f6c2fa69757a4747e87d902a46430b8f04f118b0a4c6a9abd82c1326a21e0edfbd07bc3dbd

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:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

4640 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

4640 EXCEL.EXE
4640 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4640	EXCEL.EXE
4640	EXCEL.EXE
4640	EXCEL.EXE
4640	EXCEL.EXE
4640	EXCEL.EXE
4640	EXCEL.EXE
4640	EXCEL.EXE
4640	EXCEL.EXE
4640	EXCEL.EXE
4640	EXCEL.EXE
4640	EXCEL.EXE
4640	EXCEL.EXE

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\PR_A1191-04052021.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:4640

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/4640-2-0x00007FF9A2350000-0x00007FF9A2360000-memory.dmp

Filesize
64KB

Download
memory/4640-3-0x00007FF9A2350000-0x00007FF9A2360000-memory.dmp

Filesize
64KB

Download
memory/4640-4-0x00007FF9A2350000-0x00007FF9A2360000-memory.dmp

Filesize
64KB

Download
memory/4640-5-0x00007FF9C8BF0000-0x00007FF9C9227000-memory.dmp

Filesize
6.2MB

Download
memory/4640-6-0x00007FF9A2350000-0x00007FF9A2360000-memory.dmp

Filesize
64KB

Download