e559b417578b9e8e665c040cefda6d30d17b56829d98fa4c52fc99dfc045618f

Analysis

max time kernel
136s
max time network
130s
platform
windows10_x64
resource
win10v20201028
submitted
15-03-2021 06:38

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General

Target

attiv_2769.xlsb
Size

56KB
MD5

1365121b6eba30f7b4ce9d39e3c90704
SHA1

38e3f0b82ccf93e7131028b8c32f56982ddebb78
SHA256

e559b417578b9e8e665c040cefda6d30d17b56829d98fa4c52fc99dfc045618f
SHA512

e800b86c9097838c3d503bc3457607b57ff891f3b9e0c80ff372d9ad8d95dc9c50764d3c8cf4088074ae8e8c6218152b9f65bf6f855fdb803b58121faca3889a

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

3564 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
3564	EXCEL.EXE
3564	EXCEL.EXE
3564	EXCEL.EXE
3564	EXCEL.EXE
3564	EXCEL.EXE
3564	EXCEL.EXE
3564	EXCEL.EXE
3564	EXCEL.EXE
3564	EXCEL.EXE
3564	EXCEL.EXE
3564	EXCEL.EXE
3564	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_2769.xlsb"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3564

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/3564-2-0x00007FFC7E0E0000-0x00007FFC7E0F0000-memory.dmp

Filesize
64KB

Download
memory/3564-3-0x00007FFC7E0E0000-0x00007FFC7E0F0000-memory.dmp

Filesize
64KB

Download
memory/3564-4-0x00007FFC7E0E0000-0x00007FFC7E0F0000-memory.dmp

Filesize
64KB

Download
memory/3564-5-0x00007FFCA16B0000-0x00007FFCA1CE7000-memory.dmp

Filesize
6.2MB

Download
memory/3564-6-0x00007FFC7E0E0000-0x00007FFC7E0F0000-memory.dmp

Filesize
64KB

Download