afaccad0cadbc5f44a79dd336fbf732d2bae82f41d0e1442919b4e0b18d5ae51

Analysis

max time kernel
105s
max time network
136s
platform
windows10_x64
resource
win10-en-20211014
submitted
19-10-2021 18:18

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General

Target

ccf25116808a8f6fdbca6d7dbbc30af45fb382b4b868109dc0f17d5062062aff.xlsx
Size

303KB
MD5

3ec955ba8c6df83999cf0454ee958ee4
SHA1

f1df8c8561739662fcf636c262d0af0a74768231
SHA256

afaccad0cadbc5f44a79dd336fbf732d2bae82f41d0e1442919b4e0b18d5ae51
SHA512

25739682f768f1005d88bcee977e6fe2107afcafc0ec7e4b7847de4a612e012b0f4e3e0d5bfc32c137aef52bcebc059e6ddb3f17dfd0b541d11a73ea4e950843

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

2196 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2196	EXCEL.EXE
2196	EXCEL.EXE
2196	EXCEL.EXE
2196	EXCEL.EXE
2196	EXCEL.EXE
2196	EXCEL.EXE
2196	EXCEL.EXE
2196	EXCEL.EXE
2196	EXCEL.EXE
2196	EXCEL.EXE
2196	EXCEL.EXE
2196	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\ccf25116808a8f6fdbca6d7dbbc30af45fb382b4b868109dc0f17d5062062aff.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2196

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/2196-115-0x00007FFEF14B0000-0x00007FFEF14C0000-memory.dmp

Filesize
64KB

Download
memory/2196-116-0x00007FFEF14B0000-0x00007FFEF14C0000-memory.dmp

Filesize
64KB

Download
memory/2196-118-0x00007FFEF14B0000-0x00007FFEF14C0000-memory.dmp

Filesize
64KB

Download
memory/2196-117-0x00007FFEF14B0000-0x00007FFEF14C0000-memory.dmp

Filesize
64KB

Download
memory/2196-119-0x000001D88C280000-0x000001D88C282000-memory.dmp

Filesize
8KB

Download
memory/2196-120-0x000001D88C280000-0x000001D88C282000-memory.dmp

Filesize
8KB

Download
memory/2196-121-0x00007FFEF14B0000-0x00007FFEF14C0000-memory.dmp

Filesize
64KB

Download
memory/2196-122-0x000001D88C280000-0x000001D88C282000-memory.dmp

Filesize
8KB

Download