25cf0d59c10c48159f55b2ed560b6f3974f5b007b9b4bb31b9cfd5e33ca0bd09

General

Target

PO-829ARTS-PI 2021-7-17.xlsx
Size

1.1MB
MD5

ba24c9c748b75fb64abc01cc6c18ed81
SHA1

a08173593973d23242ad28722cf60924f77fdcff
SHA256

25cf0d59c10c48159f55b2ed560b6f3974f5b007b9b4bb31b9cfd5e33ca0bd09
SHA512

2536da0aacd37188278d31205b912096d37e9c62cb9247cae0e15d7999ec02ab9697db71b72c3e188e07240064bae77d584606cf9f3c3746bdadabd59177528d

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

3256 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

3256 EXCEL.EXE
3256 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
3256	EXCEL.EXE
3256	EXCEL.EXE
3256	EXCEL.EXE
3256	EXCEL.EXE
3256	EXCEL.EXE
3256	EXCEL.EXE
3256	EXCEL.EXE
3256	EXCEL.EXE
3256	EXCEL.EXE
3256	EXCEL.EXE
3256	EXCEL.EXE
3256	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-829ARTS-PI 2021-7-17.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:3256

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/3256-114-0x00007FF658820000-0x00007FF65BDD6000-memory.dmp

Filesize
53.7MB

Download
memory/3256-115-0x00007FFCBABC0000-0x00007FFCBABD0000-memory.dmp

Filesize
64KB

Download
memory/3256-116-0x00007FFCBABC0000-0x00007FFCBABD0000-memory.dmp

Filesize
64KB

Download
memory/3256-117-0x00007FFCBABC0000-0x00007FFCBABD0000-memory.dmp

Filesize
64KB

Download
memory/3256-118-0x00007FFCBABC0000-0x00007FFCBABD0000-memory.dmp

Filesize
64KB

Download
memory/3256-121-0x00007FFCDB550000-0x00007FFCDC63E000-memory.dmp

Filesize
16.9MB

Download
memory/3256-122-0x00007FFCBABC0000-0x00007FFCBABD0000-memory.dmp

Filesize
64KB

Download
memory/3256-123-0x00007FFCD9590000-0x00007FFCDB485000-memory.dmp

Filesize
31.0MB

Download
memory/3256-331-0x00007FFCBABC0000-0x00007FFCBABD0000-memory.dmp

Filesize
64KB

Download
memory/3256-332-0x00007FFCBABC0000-0x00007FFCBABD0000-memory.dmp

Filesize
64KB

Download
memory/3256-334-0x00007FFCBABC0000-0x00007FFCBABD0000-memory.dmp

Filesize
64KB

Download
memory/3256-333-0x00007FFCBABC0000-0x00007FFCBABD0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads