380f9c4da48603ca8fd5a58c76dc599e0742221c7fb3cb82bfc945037b84a0b0

Analysis

max time kernel
105s
max time network
155s
platform
windows10_x64
resource
win10-en-20210920
submitted
21-10-2021 06:14

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General

Target

product specification.xlsx
Size

369KB
MD5

93826e1dd82bb204af094cee13e166a1
SHA1

d3dccb0145e0a51774c4d08190f8677352ea8743
SHA256

380f9c4da48603ca8fd5a58c76dc599e0742221c7fb3cb82bfc945037b84a0b0
SHA512

6eeb6543e0ebe654907997650f225cc9903decf2e537dedfab5fc26a36ae8d8647f964cda671310a0efc46ba0f5a5bb6a1b80f62f563f1868fb34df86007c17d

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

2396 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2396	EXCEL.EXE
2396	EXCEL.EXE
2396	EXCEL.EXE
2396	EXCEL.EXE
2396	EXCEL.EXE
2396	EXCEL.EXE
2396	EXCEL.EXE
2396	EXCEL.EXE
2396	EXCEL.EXE
2396	EXCEL.EXE
2396	EXCEL.EXE
2396	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\product specification.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2396

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/2396-115-0x00007FF93B1B0000-0x00007FF93B1C0000-memory.dmp

Filesize
64KB

Download
memory/2396-116-0x00007FF93B1B0000-0x00007FF93B1C0000-memory.dmp

Filesize
64KB

Download
memory/2396-117-0x00007FF93B1B0000-0x00007FF93B1C0000-memory.dmp

Filesize
64KB

Download
memory/2396-118-0x00007FF93B1B0000-0x00007FF93B1C0000-memory.dmp

Filesize
64KB

Download
memory/2396-119-0x000001738C860000-0x000001738C862000-memory.dmp

Filesize
8KB

Download
memory/2396-120-0x000001738C860000-0x000001738C862000-memory.dmp

Filesize
8KB

Download
memory/2396-121-0x00007FF93B1B0000-0x00007FF93B1C0000-memory.dmp

Filesize
64KB

Download
memory/2396-122-0x000001738C860000-0x000001738C862000-memory.dmp

Filesize
8KB

Download