b28ba5ece1551484bd5b28fbf7e701d03a4cf7969839b98aca47bbb4d6a0b09e

Analysis

max time kernel
121s
max time network
133s
platform
windows10_x64
resource
win10-en-20211014
submitted
07-12-2021 11:31

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General

Target

PO-3682036-2022-1-001.xlsx
Size

229KB
MD5

0873c7f6af3985eafe315822eed4aa6e
SHA1

8c467d276939599c65dff0bff20cb7ee7386f5dc
SHA256

b28ba5ece1551484bd5b28fbf7e701d03a4cf7969839b98aca47bbb4d6a0b09e
SHA512

66a5f4c26d041c49798f77ac429cca8146535a896d2f43e13c9098142aba053028c6b0dc42d164ec1c3a79de0693a5ef3743ba0ac30b87977b661f65a8c23626

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

3868 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
3868	EXCEL.EXE
3868	EXCEL.EXE
3868	EXCEL.EXE
3868	EXCEL.EXE
3868	EXCEL.EXE
3868	EXCEL.EXE
3868	EXCEL.EXE
3868	EXCEL.EXE
3868	EXCEL.EXE
3868	EXCEL.EXE
3868	EXCEL.EXE
3868	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\PO-3682036-2022-1-001.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3868

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/3868-115-0x00007FFBFB9F0000-0x00007FFBFBA00000-memory.dmp

Filesize
64KB

Download
memory/3868-116-0x00007FFBFB9F0000-0x00007FFBFBA00000-memory.dmp

Filesize
64KB

Download
memory/3868-117-0x00007FFBFB9F0000-0x00007FFBFBA00000-memory.dmp

Filesize
64KB

Download
memory/3868-118-0x00007FFBFB9F0000-0x00007FFBFBA00000-memory.dmp

Filesize
64KB

Download
memory/3868-120-0x000001FD2CC80000-0x000001FD2CC82000-memory.dmp

Filesize
8KB

Download
memory/3868-119-0x000001FD2CC80000-0x000001FD2CC82000-memory.dmp

Filesize
8KB

Download
memory/3868-121-0x00007FFBFB9F0000-0x00007FFBFBA00000-memory.dmp

Filesize
64KB

Download
memory/3868-122-0x000001FD2CC80000-0x000001FD2CC82000-memory.dmp

Filesize
8KB

Download