033372113246279f04ccac1fab6748a2bfd2ed9b9c5cb980534f444dac558af8

Analysis

max time kernel
108s
max time network
148s
platform
windows10_x64
resource
win10-en-20210920
submitted
11-10-2021 12:35

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General

Target

09090.xlsx
Size

269KB
MD5

6fde5f271c363c8c6958c79a97ba4208
SHA1

7fc836aaf75422e4d8a4c62b3c5136d464e24f8f
SHA256

033372113246279f04ccac1fab6748a2bfd2ed9b9c5cb980534f444dac558af8
SHA512

8fbb97b4ed844864b8aba660496b34176967343bea968108568426e227a83c70ad2159bbc532c1ac3b6fa832bd54cc3e5bbede6abc4986101ca6f7f026b81b00

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

2352 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2352	EXCEL.EXE
2352	EXCEL.EXE
2352	EXCEL.EXE
2352	EXCEL.EXE
2352	EXCEL.EXE
2352	EXCEL.EXE
2352	EXCEL.EXE
2352	EXCEL.EXE
2352	EXCEL.EXE
2352	EXCEL.EXE
2352	EXCEL.EXE
2352	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\09090.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2352

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/2352-115-0x00007FFF62000000-0x00007FFF62010000-memory.dmp

Filesize
64KB

Download
memory/2352-116-0x00007FFF62000000-0x00007FFF62010000-memory.dmp

Filesize
64KB

Download
memory/2352-118-0x00007FFF62000000-0x00007FFF62010000-memory.dmp

Filesize
64KB

Download
memory/2352-117-0x00007FFF62000000-0x00007FFF62010000-memory.dmp

Filesize
64KB

Download
memory/2352-120-0x0000021B3AD70000-0x0000021B3AD72000-memory.dmp

Filesize
8KB

Download
memory/2352-119-0x0000021B3AD70000-0x0000021B3AD72000-memory.dmp

Filesize
8KB

Download
memory/2352-121-0x0000021B3AD70000-0x0000021B3AD72000-memory.dmp

Filesize
8KB

Download
memory/2352-127-0x00007FFF62000000-0x00007FFF62010000-memory.dmp

Filesize
64KB

Download