5c34c14865f4a98f6cc623710e445f479175aeafafcb55614b139fb61cff9de7

Analysis

max time kernel
143s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
13-09-2022 02:40

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General

Target

decrypted.xlsx
Size

2.1MB
MD5

711fe9b027c5f6e0cfd51694b69da120
SHA1

b32c2e1b63aaba1103d2f9b38dfa39c6b9cc2780
SHA256

4e05084fe9a60bba11a1b0941b4264d8dbebc30be1630a06f05f86c4466b1510
SHA512

33405b40dbbae9294c3df14a22545e0ae8a9acc26cac69ea6d6e6c00138105e1fc4523352169187a1fa969a7b455eadcc35d52bb1048d365b3007722607d06ed
SSDEEP

49152:xaphEoOdnowYVpoDzFNnyKfENk1HA3p5PGeRgcT1Md3Qvpmd:Av2lapmffIka3pZlTWOpmd

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

4444 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4444	EXCEL.EXE
4444	EXCEL.EXE
4444	EXCEL.EXE
4444	EXCEL.EXE
4444	EXCEL.EXE
4444	EXCEL.EXE
4444	EXCEL.EXE
4444	EXCEL.EXE
4444	EXCEL.EXE
4444	EXCEL.EXE
4444	EXCEL.EXE
4444	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\decrypted.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4444

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/4444-132-0x00007FFA96230000-0x00007FFA96240000-memory.dmp

Filesize
64KB

Download
memory/4444-133-0x00007FFA96230000-0x00007FFA96240000-memory.dmp

Filesize
64KB

Download
memory/4444-134-0x00007FFA96230000-0x00007FFA96240000-memory.dmp

Filesize
64KB

Download
memory/4444-135-0x00007FFA96230000-0x00007FFA96240000-memory.dmp

Filesize
64KB

Download
memory/4444-136-0x00007FFA96230000-0x00007FFA96240000-memory.dmp

Filesize
64KB

Download
memory/4444-137-0x00007FFA94040000-0x00007FFA94050000-memory.dmp

Filesize
64KB

Download
memory/4444-138-0x00007FFA94040000-0x00007FFA94050000-memory.dmp

Filesize
64KB

Download
memory/4444-141-0x00007FFA96230000-0x00007FFA96240000-memory.dmp

Filesize
64KB

Download
memory/4444-142-0x00007FFA96230000-0x00007FFA96240000-memory.dmp

Filesize
64KB

Download
memory/4444-143-0x00007FFA96230000-0x00007FFA96240000-memory.dmp

Filesize
64KB

Download
memory/4444-140-0x00007FFA96230000-0x00007FFA96240000-memory.dmp

Filesize
64KB

Download