d3862440e576dbbf34598b8b9a36c5d81a97aa6f41bc6e8150658b1c82deda0c

Analysis

max time kernel
109s
max time network
131s
platform
windows10_x64
resource
win10-en-20211014
submitted
21-10-2021 06:13

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General

Target

PO 11325201021.xlsx
Size

366KB
MD5

58fa68f503aff1559bf8e379d9416021
SHA1

b876a7c9cc02e8f6eb38828b0d4744c1d38717dd
SHA256

d3862440e576dbbf34598b8b9a36c5d81a97aa6f41bc6e8150658b1c82deda0c
SHA512

43bcb44645ea05e19ef5d51eef47fe5edd2f563cfedc733aba940f2310725d79a22445e91a76958f8c856de6de4ba8eee00cb3aedf9dc7b4926703c0f47e50d3

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

2440 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2440	EXCEL.EXE
2440	EXCEL.EXE
2440	EXCEL.EXE
2440	EXCEL.EXE
2440	EXCEL.EXE
2440	EXCEL.EXE
2440	EXCEL.EXE
2440	EXCEL.EXE
2440	EXCEL.EXE
2440	EXCEL.EXE
2440	EXCEL.EXE
2440	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\PO 11325201021.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2440

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/2440-115-0x00007FFEF14B0000-0x00007FFEF14C0000-memory.dmp

Filesize
64KB

Download
memory/2440-116-0x00007FFEF14B0000-0x00007FFEF14C0000-memory.dmp

Filesize
64KB

Download
memory/2440-117-0x00007FFEF14B0000-0x00007FFEF14C0000-memory.dmp

Filesize
64KB

Download
memory/2440-118-0x00007FFEF14B0000-0x00007FFEF14C0000-memory.dmp

Filesize
64KB

Download
memory/2440-119-0x00007FFEF14B0000-0x00007FFEF14C0000-memory.dmp

Filesize
64KB

Download
memory/2440-120-0x0000025482B40000-0x0000025482B42000-memory.dmp

Filesize
8KB

Download
memory/2440-121-0x0000025482B40000-0x0000025482B42000-memory.dmp

Filesize
8KB

Download
memory/2440-122-0x0000025482B40000-0x0000025482B42000-memory.dmp

Filesize
8KB

Download