5d2c8299f9895ed3b59fb52b0ea1ad2cb2bf7f00df95738e248e21cef0cda440

Analysis

max time kernel
125s
max time network
153s
platform
windows10_x64
resource
win10-en-20211014
submitted
18-10-2021 21:05

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General

Target

Invoice-413375589_20211013.xlsb
Size

219KB
MD5

8b645dcfa487c9146a9c5b08aeeeb230
SHA1

2d947a1116bc4bcc28af48db8ccb640e66ddf929
SHA256

5d2c8299f9895ed3b59fb52b0ea1ad2cb2bf7f00df95738e248e21cef0cda440
SHA512

ae8fe45c685f1cc75efa1f482a385e80d1e2dc25541fadcfc7a851ddcc7aed3fc3d5fd685d7feed03942c0fd1e29ffb471680bca79029d9919a75698ad3b005a

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

2092 EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
2092	EXCEL.EXE
2092	EXCEL.EXE
2092	EXCEL.EXE
2092	EXCEL.EXE
2092	EXCEL.EXE
2092	EXCEL.EXE
2092	EXCEL.EXE
2092	EXCEL.EXE
2092	EXCEL.EXE
2092	EXCEL.EXE
2092	EXCEL.EXE
2092	EXCEL.EXE
2092	EXCEL.EXE
2092	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\Invoice-413375589_20211013.xlsb"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2092

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/2092-117-0x00007FF93D1D0000-0x00007FF93D1E0000-memory.dmp

Filesize
64KB

Download
memory/2092-118-0x00007FF93D1D0000-0x00007FF93D1E0000-memory.dmp

Filesize
64KB

Download
memory/2092-119-0x00007FF93D1D0000-0x00007FF93D1E0000-memory.dmp

Filesize
64KB

Download
memory/2092-120-0x00007FF93D1D0000-0x00007FF93D1E0000-memory.dmp

Filesize
64KB

Download
memory/2092-121-0x00007FF93D1D0000-0x00007FF93D1E0000-memory.dmp

Filesize
64KB

Download
memory/2092-123-0x0000020DE6FB0000-0x0000020DE6FB2000-memory.dmp

Filesize
8KB

Download
memory/2092-122-0x0000020DE6FB0000-0x0000020DE6FB2000-memory.dmp

Filesize
8KB

Download
memory/2092-124-0x0000020DE6FB0000-0x0000020DE6FB2000-memory.dmp

Filesize
8KB

Download