0b9c4c0a71c0262d0af9cabc0b3cdc179ed4114e0ede23afce8342f48714adbb

Analysis

max time kernel
102s
max time network
138s
platform
windows10_x64
resource
win10-en-20210920
submitted
21-10-2021 06:14

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General

Target

BM09 INV.PL.xlsx
Size

369KB
MD5

b03819cd2356392079a49fa5f0477ff9
SHA1

c6d295042dbad6daa7eccedddd354f9e90643b31
SHA256

0b9c4c0a71c0262d0af9cabc0b3cdc179ed4114e0ede23afce8342f48714adbb
SHA512

15ccab47909ffbe46f7cc995d36d93191cf1e541cf6653ad771dd869b71a9eb3d321dc5c0569064dc2feceb40e495ea19aba1c71c055b62a4fcb7dc3f99ccf5e

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

3320 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
3320	EXCEL.EXE
3320	EXCEL.EXE
3320	EXCEL.EXE
3320	EXCEL.EXE
3320	EXCEL.EXE
3320	EXCEL.EXE
3320	EXCEL.EXE
3320	EXCEL.EXE
3320	EXCEL.EXE
3320	EXCEL.EXE
3320	EXCEL.EXE
3320	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\BM09 INV.PL.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3320

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/3320-115-0x00007FF963030000-0x00007FF963040000-memory.dmp

Filesize
64KB

Download
memory/3320-116-0x00007FF963030000-0x00007FF963040000-memory.dmp

Filesize
64KB

Download
memory/3320-117-0x00007FF963030000-0x00007FF963040000-memory.dmp

Filesize
64KB

Download
memory/3320-118-0x00007FF963030000-0x00007FF963040000-memory.dmp

Filesize
64KB

Download
memory/3320-120-0x000001FD47EB0000-0x000001FD47EB2000-memory.dmp

Filesize
8KB

Download
memory/3320-119-0x000001FD47EB0000-0x000001FD47EB2000-memory.dmp

Filesize
8KB

Download
memory/3320-121-0x00007FF963030000-0x00007FF963040000-memory.dmp

Filesize
64KB

Download
memory/3320-122-0x000001FD47EB0000-0x000001FD47EB2000-memory.dmp

Filesize
8KB

Download