b8587aa8266f54f19957e82df6402ebc56e77f77bd1614ceeee91b9cd8b5b4b4

Analysis

max time kernel
110s
max time network
124s
platform
windows10_x64
resource
win10-en-20211208
submitted
12-01-2022 08:56

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General

Target

RFQ SHEET .xlsx
Size

310KB
MD5

f1f0cc08d95ede93773d5c81ca809905
SHA1

418aadf3d11ff4aaf77cc30f331588ac22d00f38
SHA256

b8587aa8266f54f19957e82df6402ebc56e77f77bd1614ceeee91b9cd8b5b4b4
SHA512

227f9227ccf4f7849f8819fff109b263c61abd074ce9bf956f6b2dfc47a72b14c09d7df1f8f7bff9c40c9fe43cc6f530c5f97425c4eccce9553bfc7f0bc1194e

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 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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	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

2336 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2336	EXCEL.EXE
2336	EXCEL.EXE
2336	EXCEL.EXE
2336	EXCEL.EXE
2336	EXCEL.EXE
2336	EXCEL.EXE
2336	EXCEL.EXE
2336	EXCEL.EXE
2336	EXCEL.EXE
2336	EXCEL.EXE
2336	EXCEL.EXE
2336	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 SHEET .xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2336

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/2336-118-0x00007FFE3E940000-0x00007FFE3E950000-memory.dmp

Filesize
64KB

Download
memory/2336-119-0x00007FFE3E940000-0x00007FFE3E950000-memory.dmp

Filesize
64KB

Download
memory/2336-121-0x00007FFE3E940000-0x00007FFE3E950000-memory.dmp

Filesize
64KB

Download
memory/2336-120-0x00007FFE3E940000-0x00007FFE3E950000-memory.dmp

Filesize
64KB

Download
memory/2336-122-0x000002746CB50000-0x000002746CB52000-memory.dmp

Filesize
8KB

Download
memory/2336-123-0x000002746CB50000-0x000002746CB52000-memory.dmp

Filesize
8KB

Download
memory/2336-124-0x00007FFE3E940000-0x00007FFE3E950000-memory.dmp

Filesize
64KB

Download
memory/2336-125-0x000002746CB50000-0x000002746CB52000-memory.dmp

Filesize
8KB

Download