9a28b730d4601c17f4bffa6c63c681e0f3c95d9f8c95a700c2b77c2bdb2dc8f9

General

Target

TT COPY.xlsx
Size

679KB
MD5

bff0c36c3c73c83a4a144bb7b5874056
SHA1

4eaa93a36139ba7c7e60c90790ce3ece26b2cbce
SHA256

9a28b730d4601c17f4bffa6c63c681e0f3c95d9f8c95a700c2b77c2bdb2dc8f9
SHA512

7c1d3001c40803060fa4b60c486c4554cb46a8d1306869fecbc3ae747b0b26a547ba12198d22c3ddbb08301d088ae96aa2f66f132dd42a54556ccb47386885ca

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

4016 EXCEL.EXE

Suspicious use of SetWindowsHookEx 13 IoCs

Processes:

EXCEL.EXE

pid	process
4016	EXCEL.EXE
4016	EXCEL.EXE
4016	EXCEL.EXE
4016	EXCEL.EXE
4016	EXCEL.EXE
4016	EXCEL.EXE
4016	EXCEL.EXE
4016	EXCEL.EXE
4016	EXCEL.EXE
4016	EXCEL.EXE
4016	EXCEL.EXE
4016	EXCEL.EXE
4016	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 4016 wrote to memory of 2464	4016	EXCEL.EXE	splwow64.exe
PID 4016 wrote to memory of 2464	4016	EXCEL.EXE	splwow64.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\TT COPY.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4016

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:2464

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/2464-276-0x0000000000000000-mapping.dmp

Download
memory/4016-121-0x00007FF94D290000-0x00007FF94E37E000-memory.dmp

Filesize
16.9MB

Download
memory/4016-116-0x00007FF92CFA0000-0x00007FF92CFB0000-memory.dmp

Filesize
64KB

Download
memory/4016-117-0x00007FF92CFA0000-0x00007FF92CFB0000-memory.dmp

Filesize
64KB

Download
memory/4016-118-0x00007FF92CFA0000-0x00007FF92CFB0000-memory.dmp

Filesize
64KB

Download
memory/4016-122-0x00007FF92CFA0000-0x00007FF92CFB0000-memory.dmp

Filesize
64KB

Download
memory/4016-114-0x00007FF61A6B0000-0x00007FF61DC66000-memory.dmp

Filesize
53.7MB

Download
memory/4016-123-0x00007FF94B390000-0x00007FF94D285000-memory.dmp

Filesize
31.0MB

Download
memory/4016-115-0x00007FF92CFA0000-0x00007FF92CFB0000-memory.dmp

Filesize
64KB

Download
memory/4016-288-0x00007FF92CFA0000-0x00007FF92CFB0000-memory.dmp

Filesize
64KB

Download
memory/4016-289-0x00007FF92CFA0000-0x00007FF92CFB0000-memory.dmp

Filesize
64KB

Download
memory/4016-290-0x00007FF92CFA0000-0x00007FF92CFB0000-memory.dmp

Filesize
64KB

Download
memory/4016-291-0x00007FF92CFA0000-0x00007FF92CFB0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads