a77a62810bde7745f7c7eb1311159c5291dcd06c70db3c8fe5d58aa989725192

Analysis

max time kernel
136s
max time network
120s
platform
windows10_x64
resource
win10v20201028
submitted
11-03-2021 15:59

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General

Target

2180.xlsx
Size

38KB
MD5

28d75c5b8fd1d80712f3b390ce304843
SHA1

1dcc3d0c446cd7abbac118af64b49e5cb1cb97f0
SHA256

a77a62810bde7745f7c7eb1311159c5291dcd06c70db3c8fe5d58aa989725192
SHA512

a2e38b16e060b0e58452642804af6bc38cfccc9ac80506301b07a2199f593dd31d2a82e9c1851546c383d826a07a2a48328e82fb763634652c2631ccd4774aba

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

4636 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4636	EXCEL.EXE
4636	EXCEL.EXE
4636	EXCEL.EXE
4636	EXCEL.EXE
4636	EXCEL.EXE
4636	EXCEL.EXE
4636	EXCEL.EXE
4636	EXCEL.EXE
4636	EXCEL.EXE
4636	EXCEL.EXE
4636	EXCEL.EXE
4636	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\2180.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4636

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

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Downloads

memory/4636-2-0x00007FF9A2350000-0x00007FF9A2360000-memory.dmp

Filesize
64KB

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memory/4636-3-0x00007FF9A2350000-0x00007FF9A2360000-memory.dmp

Filesize
64KB

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memory/4636-4-0x00007FF9A2350000-0x00007FF9A2360000-memory.dmp

Filesize
64KB

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memory/4636-5-0x00007FF9C90D0000-0x00007FF9C9707000-memory.dmp

Filesize
6.2MB

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memory/4636-6-0x00007FF9A2350000-0x00007FF9A2360000-memory.dmp

Filesize
64KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads