399d46d4fcdde13baa7d007ff80124d6eed8f4620a0577df722c3bf027501c19

Analysis

max time kernel
113s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
07-07-2022 06:23

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General

Target

Confirmation Notice20220707.xlsx
Size

177KB
MD5

0e1816ea950c32c13609a509af6ab167
SHA1

e10c173749ecc7c2bf04a1462902b9d4d6aceed7
SHA256

399d46d4fcdde13baa7d007ff80124d6eed8f4620a0577df722c3bf027501c19
SHA512

38ef6c3be139a0f92a9564eb14af78c3126c46905e1c0ff95dd130523770ff67696de6fd145579f5cbd3fc3684333fbca9428e53410c57ab2971f9f2df6be61c

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\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

4400 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4400	EXCEL.EXE
4400	EXCEL.EXE
4400	EXCEL.EXE
4400	EXCEL.EXE
4400	EXCEL.EXE
4400	EXCEL.EXE
4400	EXCEL.EXE
4400	EXCEL.EXE
4400	EXCEL.EXE
4400	EXCEL.EXE
4400	EXCEL.EXE
4400	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\Confirmation Notice20220707.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4400

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4400-130-0x00007FF901770000-0x00007FF901780000-memory.dmp

Filesize
64KB

Download
memory/4400-131-0x00007FF901770000-0x00007FF901780000-memory.dmp

Filesize
64KB

Download
memory/4400-132-0x00007FF901770000-0x00007FF901780000-memory.dmp

Filesize
64KB

Download
memory/4400-133-0x00007FF901770000-0x00007FF901780000-memory.dmp

Filesize
64KB

Download
memory/4400-134-0x00007FF901770000-0x00007FF901780000-memory.dmp

Filesize
64KB

Download
memory/4400-135-0x00007FF8FF710000-0x00007FF8FF720000-memory.dmp

Filesize
64KB

Download
memory/4400-136-0x00007FF8FF710000-0x00007FF8FF720000-memory.dmp

Filesize
64KB

Download
memory/4400-138-0x00007FF901770000-0x00007FF901780000-memory.dmp

Filesize
64KB

Download
memory/4400-139-0x00007FF901770000-0x00007FF901780000-memory.dmp

Filesize
64KB

Download
memory/4400-140-0x00007FF901770000-0x00007FF901780000-memory.dmp

Filesize
64KB

Download
memory/4400-141-0x00007FF901770000-0x00007FF901780000-memory.dmp

Filesize
64KB

Download