28b93f07e45678f3d2606c50af9a3b3947c9677e019fc50805bb3c1558c4ec43

Analysis

max time kernel
155s
max time network
161s
platform
windows10-2004_x64
resource
win10v2004-20220722-en
resource tags

arch:x64arch:x86image:win10v2004-20220722-enlocale:en-usos:windows10-2004-x64system
submitted
06-08-2022 07:38

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General

Target

decrypted.xlsx
Size

89KB
MD5

112b8e58b73259e119fea7488c7ab81f
SHA1

652d49f043c2d96b1ec6e934ac6344528f3e1a3e
SHA256

51564240bf1bca1e6978725280a1b736c4a946077b6038f4a884b084f211ff1b
SHA512

5c8608a3d71466a1a9008f12b60448f2ca040df9c2474f83416600d1992903bf568e50a49cba81859b45bf66538f3e24ad9169fecf608ccb364e2fc088aa77ea

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

4612 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4612	EXCEL.EXE
4612	EXCEL.EXE
4612	EXCEL.EXE
4612	EXCEL.EXE
4612	EXCEL.EXE
4612	EXCEL.EXE
4612	EXCEL.EXE
4612	EXCEL.EXE
4612	EXCEL.EXE
4612	EXCEL.EXE
4612	EXCEL.EXE
4612	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:4612

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4612-135-0x00007FFCC38D0000-0x00007FFCC38E0000-memory.dmp

Filesize
64KB

Download
memory/4612-136-0x00007FFCC38D0000-0x00007FFCC38E0000-memory.dmp

Filesize
64KB

Download
memory/4612-137-0x00007FFCC38D0000-0x00007FFCC38E0000-memory.dmp

Filesize
64KB

Download
memory/4612-138-0x00007FFCC38D0000-0x00007FFCC38E0000-memory.dmp

Filesize
64KB

Download
memory/4612-139-0x00007FFCC38D0000-0x00007FFCC38E0000-memory.dmp

Filesize
64KB

Download
memory/4612-140-0x00007FFCC1740000-0x00007FFCC1750000-memory.dmp

Filesize
64KB

Download
memory/4612-141-0x00007FFCC1740000-0x00007FFCC1750000-memory.dmp

Filesize
64KB

Download
memory/4612-143-0x00007FFCC38D0000-0x00007FFCC38E0000-memory.dmp

Filesize
64KB

Download
memory/4612-144-0x00007FFCC38D0000-0x00007FFCC38E0000-memory.dmp

Filesize
64KB

Download
memory/4612-145-0x00007FFCC38D0000-0x00007FFCC38E0000-memory.dmp

Filesize
64KB

Download
memory/4612-146-0x00007FFCC38D0000-0x00007FFCC38E0000-memory.dmp

Filesize
64KB

Download