41fa0a80e6b5b99e53343793ea3f8f1b2818d7012c7e82f71bad7b3f46fd632c

Analysis

max time kernel
101s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
29-06-2022 07:53

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General

Target

tis.xlsx
Size

163KB
MD5

bfcb1b708667f051f3827417b0afd50c
SHA1

95d69c432c2bc4bfa9e3bb5606343e6bc20bb8a3
SHA256

41fa0a80e6b5b99e53343793ea3f8f1b2818d7012c7e82f71bad7b3f46fd632c
SHA512

804b3fb392117f68b5a2b39c95ca1abe79d70c60c42400cf810253c7de5d112d1446c5906da3bb39835aa6d006b97ac768ef3f825d40edba03e60143552deeeb

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\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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

3864 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
3864	EXCEL.EXE
3864	EXCEL.EXE
3864	EXCEL.EXE
3864	EXCEL.EXE
3864	EXCEL.EXE
3864	EXCEL.EXE
3864	EXCEL.EXE
3864	EXCEL.EXE
3864	EXCEL.EXE
3864	EXCEL.EXE
3864	EXCEL.EXE
3864	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\tis.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3864

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/3864-130-0x00007FFE0D5D0000-0x00007FFE0D5E0000-memory.dmp

Filesize
64KB

Download
memory/3864-131-0x00007FFE0D5D0000-0x00007FFE0D5E0000-memory.dmp

Filesize
64KB

Download
memory/3864-132-0x00007FFE0D5D0000-0x00007FFE0D5E0000-memory.dmp

Filesize
64KB

Download
memory/3864-133-0x00007FFE0D5D0000-0x00007FFE0D5E0000-memory.dmp

Filesize
64KB

Download
memory/3864-134-0x00007FFE0D5D0000-0x00007FFE0D5E0000-memory.dmp

Filesize
64KB

Download
memory/3864-135-0x00007FFE0AC70000-0x00007FFE0AC80000-memory.dmp

Filesize
64KB

Download
memory/3864-136-0x00007FFE0AC70000-0x00007FFE0AC80000-memory.dmp

Filesize
64KB

Download
memory/3864-138-0x00007FFE0D5D0000-0x00007FFE0D5E0000-memory.dmp

Filesize
64KB

Download
memory/3864-139-0x00007FFE0D5D0000-0x00007FFE0D5E0000-memory.dmp

Filesize
64KB

Download
memory/3864-140-0x00007FFE0D5D0000-0x00007FFE0D5E0000-memory.dmp

Filesize
64KB

Download
memory/3864-141-0x00007FFE0D5D0000-0x00007FFE0D5E0000-memory.dmp

Filesize
64KB

Download