b78a8643cd8001537207ddfaa47ac46e68a7d5c38d2b1eb1a1ca216101152eb9

Analysis

max time kernel
107s
max time network
147s
platform
windows10_x64
resource
win10v20210408
submitted
23-07-2021 17:05

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General

Target

PO20210723.xlsx
Size

1.2MB
MD5

13481df252e0eed6eea3f219a47d42f3
SHA1

916c441582321287167e51f987ae719d75892ae8
SHA256

b78a8643cd8001537207ddfaa47ac46e68a7d5c38d2b1eb1a1ca216101152eb9
SHA512

e51dcac2395e751f4cb99014097c3e6b235a46d4a4b24d68e9191282583b5bd64854aff0d4078c13676b034b540c76b24e652d08efad8dfe1bc71808ba4681e7

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

652 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
652	EXCEL.EXE
652	EXCEL.EXE
652	EXCEL.EXE
652	EXCEL.EXE
652	EXCEL.EXE
652	EXCEL.EXE
652	EXCEL.EXE
652	EXCEL.EXE
652	EXCEL.EXE
652	EXCEL.EXE
652	EXCEL.EXE
652	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\PO20210723.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:652

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/652-114-0x00007FF7623E0000-0x00007FF765996000-memory.dmp

Filesize
53.7MB

Download
memory/652-115-0x00007FFCEFED0000-0x00007FFCEFEE0000-memory.dmp

Filesize
64KB

Download
memory/652-116-0x00007FFCEFED0000-0x00007FFCEFEE0000-memory.dmp

Filesize
64KB

Download
memory/652-117-0x00007FFCEFED0000-0x00007FFCEFEE0000-memory.dmp

Filesize
64KB

Download
memory/652-118-0x00007FFCEFED0000-0x00007FFCEFEE0000-memory.dmp

Filesize
64KB

Download
memory/652-121-0x00007FFCEFED0000-0x00007FFCEFEE0000-memory.dmp

Filesize
64KB

Download
memory/652-122-0x00007FFD10780000-0x00007FFD1186E000-memory.dmp

Filesize
16.9MB

Download
memory/652-123-0x0000029F21080000-0x0000029F22F75000-memory.dmp

Filesize
31.0MB

Download
memory/652-331-0x00007FFCEFED0000-0x00007FFCEFEE0000-memory.dmp

Filesize
64KB

Download
memory/652-332-0x00007FFCEFED0000-0x00007FFCEFEE0000-memory.dmp

Filesize
64KB

Download
memory/652-333-0x00007FFCEFED0000-0x00007FFCEFEE0000-memory.dmp

Filesize
64KB

Download
memory/652-334-0x00007FFCEFED0000-0x00007FFCEFEE0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads