29dd041104753d8f02fdab92cb502f4c263c8e22605bd5ddeb352b416cc9044d

Analysis

max time kernel
110s
max time network
125s
platform
windows10_x64
resource
win10-en-20210920
submitted
21-10-2021 18:00

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General

Target

Purchase_order_21518..xlsx
Size

369KB
MD5

ed8f6c80d452216334d567e436083218
SHA1

920f2cf0d8c596bbeaa1b8c02fcf021b63b15e3e
SHA256

29dd041104753d8f02fdab92cb502f4c263c8e22605bd5ddeb352b416cc9044d
SHA512

993dfd924731f6b4eb5453a2e9483427dba79d70849b20678f9e8f68f09a7266714c07989687d78df6877266743bc244444fbf0d7ab848449273bf1b54023446

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

3424 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
3424	EXCEL.EXE
3424	EXCEL.EXE
3424	EXCEL.EXE
3424	EXCEL.EXE
3424	EXCEL.EXE
3424	EXCEL.EXE
3424	EXCEL.EXE
3424	EXCEL.EXE
3424	EXCEL.EXE
3424	EXCEL.EXE
3424	EXCEL.EXE
3424	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\Purchase_order_21518..xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3424

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/3424-115-0x00007FFD20840000-0x00007FFD20850000-memory.dmp

Filesize
64KB

Download
memory/3424-116-0x00007FFD20840000-0x00007FFD20850000-memory.dmp

Filesize
64KB

Download
memory/3424-117-0x00007FFD20840000-0x00007FFD20850000-memory.dmp

Filesize
64KB

Download
memory/3424-118-0x00007FFD20840000-0x00007FFD20850000-memory.dmp

Filesize
64KB

Download
memory/3424-120-0x0000024BB6D70000-0x0000024BB6D72000-memory.dmp

Filesize
8KB

Download
memory/3424-119-0x0000024BB6D70000-0x0000024BB6D72000-memory.dmp

Filesize
8KB

Download
memory/3424-121-0x00007FFD20840000-0x00007FFD20850000-memory.dmp

Filesize
64KB

Download
memory/3424-122-0x0000024BB6D70000-0x0000024BB6D72000-memory.dmp

Filesize
8KB

Download