0e902e457a5a675dbc15f2188389724898cfd1ce4d6f0f2df2708b25e5b56197

Analysis

max time kernel
136s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
25-04-2023 20:42

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General

Target

0000000000000002.THYH-2033718096.xlsb
Size

126KB
MD5

f144ebb9cb561dc8619ac1f3ab10c8e9
SHA1

b555efc0f7d07ee6b6592f5a072bff8014e03d30
SHA256

20999fbfcebb46f5e02e7554b1796aef46752fc468042906aadb3bd585b359c2
SHA512

30c6fe16cb44b7d3aa648a36a28aed30aa2a9bcf97d0c38f5860f0e62206d09c428dba70a886159ef26deaa018c806432d3e37912d01cd2de3f96af0302bc8b0
SSDEEP

3072:glZQF483ux6KoT/jki1XCqRRAcQnEWzY24f:gldsrkmDRicQnE724f

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\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

3832 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

3832 EXCEL.EXE
3832 EXCEL.EXE

Suspicious use of SetWindowsHookEx 13 IoCs

Processes:

EXCEL.EXE

pid	process
3832	EXCEL.EXE
3832	EXCEL.EXE
3832	EXCEL.EXE
3832	EXCEL.EXE
3832	EXCEL.EXE
3832	EXCEL.EXE
3832	EXCEL.EXE
3832	EXCEL.EXE
3832	EXCEL.EXE
3832	EXCEL.EXE
3832	EXCEL.EXE
3832	EXCEL.EXE
3832	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\0000000000000002.THYH-2033718096.xlsb"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:3832

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/3832-133-0x00007FFA538B0000-0x00007FFA538C0000-memory.dmp

Filesize
64KB

Download
memory/3832-134-0x00007FFA538B0000-0x00007FFA538C0000-memory.dmp

Filesize
64KB

Download
memory/3832-135-0x00007FFA538B0000-0x00007FFA538C0000-memory.dmp

Filesize
64KB

Download
memory/3832-136-0x00007FFA538B0000-0x00007FFA538C0000-memory.dmp

Filesize
64KB

Download
memory/3832-137-0x00007FFA538B0000-0x00007FFA538C0000-memory.dmp

Filesize
64KB

Download
memory/3832-138-0x00007FFA51000000-0x00007FFA51010000-memory.dmp

Filesize
64KB

Download
memory/3832-139-0x00007FFA51000000-0x00007FFA51010000-memory.dmp

Filesize
64KB

Download