8a3e48550ae70dc076c4f0930dbb46afb3775dcc0f038943ba93483524465c5b

Analysis

max time kernel
121s
max time network
144s
platform
windows10_x64
resource
win10-en-20211014
submitted
06-12-2021 11:23

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Report Analysis Logs

General

Target

RFQ No. 109050.xlsx
Size

228KB
MD5

75ff2ad7562cb84499dfa0885e11813d
SHA1

85693dacf816a7f5d990da174c406e950b08baf1
SHA256

8a3e48550ae70dc076c4f0930dbb46afb3775dcc0f038943ba93483524465c5b
SHA512

dcd0f6d8748e0af1e21551e0b9e4d06355e79d678fb008e0e026335252d67019c04aa4691b25e61de0427df69aee539d0adb9af3de57776c48ef4026e3ab367d

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

4088 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4088	EXCEL.EXE
4088	EXCEL.EXE
4088	EXCEL.EXE
4088	EXCEL.EXE
4088	EXCEL.EXE
4088	EXCEL.EXE
4088	EXCEL.EXE
4088	EXCEL.EXE
4088	EXCEL.EXE
4088	EXCEL.EXE
4088	EXCEL.EXE
4088	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\RFQ No. 109050.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4088

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/4088-118-0x00007FF8E37B0000-0x00007FF8E37C0000-memory.dmp

Filesize
64KB

Download
memory/4088-119-0x00007FF8E37B0000-0x00007FF8E37C0000-memory.dmp

Filesize
64KB

Download
memory/4088-120-0x00007FF8E37B0000-0x00007FF8E37C0000-memory.dmp

Filesize
64KB

Download
memory/4088-121-0x00007FF8E37B0000-0x00007FF8E37C0000-memory.dmp

Filesize
64KB

Download
memory/4088-122-0x00007FF8E37B0000-0x00007FF8E37C0000-memory.dmp

Filesize
64KB

Download
memory/4088-124-0x00000201E0E00000-0x00000201E0E02000-memory.dmp

Filesize
8KB

Download
memory/4088-123-0x00000201E0E00000-0x00000201E0E02000-memory.dmp

Filesize
8KB

Download
memory/4088-125-0x00000201E0E00000-0x00000201E0E02000-memory.dmp

Filesize
8KB

Download