4da0fa732b3cb2b77f92db9ed169eae7606d5646aa38dbaf9667565556b3e223

Analysis

max time kernel
101s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
05-07-2022 12:20

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General

Target

decrypted.xlsx
Size

35KB
MD5

3910d5d3b292f25def60bb76fbf17f9a
SHA1

0f0fbab3541b7f82cf95f207293a5c0e1935f115
SHA256

1edcbce9fb67ee7b09caf7a75f2f5d55ef61e3238d265b1e25fa78b8aaeb30e5
SHA512

dc800cbbfedf12c57128e198c9b0d662dc680cda47159753e79914d688c7de7b177d9fc9c95b46afd9379edb2976ccb538e1c6d813e99f80c51595388e03c931

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

4772 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4772	EXCEL.EXE
4772	EXCEL.EXE
4772	EXCEL.EXE
4772	EXCEL.EXE
4772	EXCEL.EXE
4772	EXCEL.EXE
4772	EXCEL.EXE
4772	EXCEL.EXE
4772	EXCEL.EXE
4772	EXCEL.EXE
4772	EXCEL.EXE
4772	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:4772

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/4772-130-0x00007FF8740D0000-0x00007FF8740E0000-memory.dmp

Filesize
64KB

Download
memory/4772-131-0x00007FF8740D0000-0x00007FF8740E0000-memory.dmp

Filesize
64KB

Download
memory/4772-132-0x00007FF8740D0000-0x00007FF8740E0000-memory.dmp

Filesize
64KB

Download
memory/4772-133-0x00007FF8740D0000-0x00007FF8740E0000-memory.dmp

Filesize
64KB

Download
memory/4772-134-0x00007FF8740D0000-0x00007FF8740E0000-memory.dmp

Filesize
64KB

Download
memory/4772-135-0x00007FF871B70000-0x00007FF871B80000-memory.dmp

Filesize
64KB

Download
memory/4772-136-0x00007FF871B70000-0x00007FF871B80000-memory.dmp

Filesize
64KB

Download
memory/4772-138-0x00007FF8740D0000-0x00007FF8740E0000-memory.dmp

Filesize
64KB

Download
memory/4772-139-0x00007FF8740D0000-0x00007FF8740E0000-memory.dmp

Filesize
64KB

Download
memory/4772-140-0x00007FF8740D0000-0x00007FF8740E0000-memory.dmp

Filesize
64KB

Download
memory/4772-141-0x00007FF8740D0000-0x00007FF8740E0000-memory.dmp

Filesize
64KB

Download