bc081b96be044e4fd5b0d0a48151aac96251ba275c9a66e9add9daf1d2e12380

Analysis

max time kernel
119s
max time network
141s
platform
windows10_x64
resource
win10-en-20211014
submitted
21-10-2021 18:00

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General

Target

PO doc 42782.xlsx
Size

369KB
MD5

9c5486b2167c91562d09db0f5b1025e2
SHA1

535baeb13752700a26bda678a6c85d003db29397
SHA256

bc081b96be044e4fd5b0d0a48151aac96251ba275c9a66e9add9daf1d2e12380
SHA512

975cc30ee83aee5feb1987321134599d97c5e1a12c739b5e1efaf627879c90ce5e5ca8fbc919c1a4fe4afe07e03e71c75f62e98c81e3871b880eb094f389ad8c

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

2332 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2332	EXCEL.EXE
2332	EXCEL.EXE
2332	EXCEL.EXE
2332	EXCEL.EXE
2332	EXCEL.EXE
2332	EXCEL.EXE
2332	EXCEL.EXE
2332	EXCEL.EXE
2332	EXCEL.EXE
2332	EXCEL.EXE
2332	EXCEL.EXE
2332	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 doc 42782.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2332

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/2332-115-0x00007FFD2B5F0000-0x00007FFD2B600000-memory.dmp

Filesize
64KB

Download
memory/2332-116-0x00007FFD2B5F0000-0x00007FFD2B600000-memory.dmp

Filesize
64KB

Download
memory/2332-117-0x00007FFD2B5F0000-0x00007FFD2B600000-memory.dmp

Filesize
64KB

Download
memory/2332-118-0x00007FFD2B5F0000-0x00007FFD2B600000-memory.dmp

Filesize
64KB

Download
memory/2332-119-0x00007FFD2B5F0000-0x00007FFD2B600000-memory.dmp

Filesize
64KB

Download
memory/2332-121-0x000002075F6A0000-0x000002075F6A2000-memory.dmp

Filesize
8KB

Download
memory/2332-120-0x000002075F6A0000-0x000002075F6A2000-memory.dmp

Filesize
8KB

Download
memory/2332-122-0x000002075F6A0000-0x000002075F6A2000-memory.dmp

Filesize
8KB

Download