889647fa41dbe3f6f5ca5c356d021e2ca89516d7494c8c4c8cd909e65214794f

Analysis

max time kernel
124s
max time network
221s
platform
windows10_x64
resource
win10-en-20211014
submitted
18-10-2021 20:14

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General

Target

IoC/004151080639_4.xls
Size

58KB
MD5

f480fc1afe995ae4cafcb89b83295d88
SHA1

441f53d97186305891267b6b98382f2a0fa180b7
SHA256

d29f6c42fa70b462166272142d33012c41c471ea2c02943fae147fbccd5420aa
SHA512

b5ea9a01308a6b84d89ba573a0a1957c448ea9e126323e748dfdae1caafbeed67d88188e3256799c40b5c0665370ff65985a41c38a0cdd2ff6fc6d30000c85f5

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

3360 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
3360	EXCEL.EXE
3360	EXCEL.EXE
3360	EXCEL.EXE
3360	EXCEL.EXE
3360	EXCEL.EXE
3360	EXCEL.EXE
3360	EXCEL.EXE
3360	EXCEL.EXE
3360	EXCEL.EXE
3360	EXCEL.EXE
3360	EXCEL.EXE
3360	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\IoC\004151080639_4.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3360

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/3360-115-0x00007FFAE6A50000-0x00007FFAE6A60000-memory.dmp

Filesize
64KB

Download
memory/3360-116-0x00007FFAE6A50000-0x00007FFAE6A60000-memory.dmp

Filesize
64KB

Download
memory/3360-117-0x00007FFAE6A50000-0x00007FFAE6A60000-memory.dmp

Filesize
64KB

Download
memory/3360-118-0x00007FFAE6A50000-0x00007FFAE6A60000-memory.dmp

Filesize
64KB

Download
memory/3360-119-0x00007FFAE6A50000-0x00007FFAE6A60000-memory.dmp

Filesize
64KB

Download
memory/3360-121-0x0000020936F30000-0x0000020936F32000-memory.dmp

Filesize
8KB

Download
memory/3360-120-0x0000020936F30000-0x0000020936F32000-memory.dmp

Filesize
8KB

Download
memory/3360-122-0x0000020936F30000-0x0000020936F32000-memory.dmp

Filesize
8KB

Download