e4683f11c3451a78961282b2cd2174fc0f2c2e0669ffadc4f2ceba8adca0e246

Analysis

max time kernel
138s
max time network
131s
platform
windows10_x64
resource
win10v20201028
submitted
15-03-2021 06:37

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General

Target

attiv_2800.xlsb
Size

79KB
MD5

33ac1564ba11c697dced406e7f11a26e
SHA1

e942a64b0d1f8bd6744a31e5a7075a1efe2a0f7c
SHA256

e4683f11c3451a78961282b2cd2174fc0f2c2e0669ffadc4f2ceba8adca0e246
SHA512

b581e704a7f6ebd985904a4abc2f41d91bde5dac1dbbb23063bab79ec32341c8fe5554ccda607c919944c86d877bfc6f90303cfa1c4f7af51204afcd758ffbe9

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

3888 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
3888	EXCEL.EXE
3888	EXCEL.EXE
3888	EXCEL.EXE
3888	EXCEL.EXE
3888	EXCEL.EXE
3888	EXCEL.EXE
3888	EXCEL.EXE
3888	EXCEL.EXE
3888	EXCEL.EXE
3888	EXCEL.EXE
3888	EXCEL.EXE
3888	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\attiv_2800.xlsb"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3888

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/3888-2-0x00007FFF49320000-0x00007FFF49330000-memory.dmp

Filesize
64KB

Download
memory/3888-3-0x00007FFF49320000-0x00007FFF49330000-memory.dmp

Filesize
64KB

Download
memory/3888-4-0x00007FFF49320000-0x00007FFF49330000-memory.dmp

Filesize
64KB

Download
memory/3888-5-0x00007FFF49320000-0x00007FFF49330000-memory.dmp

Filesize
64KB

Download
memory/3888-6-0x00007FFF6D2A0000-0x00007FFF6D8D7000-memory.dmp

Filesize
6.2MB

Download