b4c23551e862b3b21b35f3984ea88d278f9ec4b78fe88460f5f63fa64beb83ae

Analysis

max time kernel
113s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
24-05-2022 14:46

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General

Target

b4c23551e862b3b21b35f3984ea88d278f9ec4b78fe88460f5f63fa64beb83ae.exe
Size

604KB
MD5

73f00dce07e433dded8d9ad2fdfaaec0
SHA1

2a444b5d2a61d3b322a631405fb9968df8f15a9b
SHA256

b4c23551e862b3b21b35f3984ea88d278f9ec4b78fe88460f5f63fa64beb83ae
SHA512

5d10eccf00094af9ed26707669d9511202b56d240bb8c3e9a12fc08b02da77caaca9a95be9a703ebee0ffbd6b87b83d155c812cef051bd81a06e7b65dfe88851

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

1300 EXCEL.EXE
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

EXCEL.EXE

pid process

1300 EXCEL.EXE
1300 EXCEL.EXE

pid	process
1300	EXCEL.EXE

pid	process
1300	EXCEL.EXE
1300	EXCEL.EXE

C:\Users\Admin\AppData\Local\Temp\b4c23551e862b3b21b35f3984ea88d278f9ec4b78fe88460f5f63fa64beb83ae.exe
"C:\Users\Admin\AppData\Local\Temp\b4c23551e862b3b21b35f3984ea88d278f9ec4b78fe88460f5f63fa64beb83ae.exe"
1⤵
PID:4492

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" /automation -Embedding
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1300

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/1300-130-0x00007FF98B430000-0x00007FF98B440000-memory.dmp

Filesize
64KB

Download
memory/1300-131-0x00007FF98B430000-0x00007FF98B440000-memory.dmp

Filesize
64KB

Download
memory/1300-132-0x00007FF98B430000-0x00007FF98B440000-memory.dmp

Filesize
64KB

Download
memory/1300-133-0x00007FF98B430000-0x00007FF98B440000-memory.dmp

Filesize
64KB

Download
memory/1300-134-0x00007FF98B430000-0x00007FF98B440000-memory.dmp

Filesize
64KB

Download
memory/1300-135-0x00007FF988C60000-0x00007FF988C70000-memory.dmp

Filesize
64KB

Download
memory/1300-136-0x00007FF988C60000-0x00007FF988C70000-memory.dmp

Filesize
64KB

Download
memory/1300-138-0x00007FF98B430000-0x00007FF98B440000-memory.dmp

Filesize
64KB

Download
memory/1300-139-0x00007FF98B430000-0x00007FF98B440000-memory.dmp

Filesize
64KB

Download
memory/1300-140-0x00007FF98B430000-0x00007FF98B440000-memory.dmp

Filesize
64KB

Download
memory/1300-141-0x00007FF98B430000-0x00007FF98B440000-memory.dmp

Filesize
64KB

Download