7f0d153cfaebcc03a3a3d95326737bcdbec657566e6b026ca414e6e605f3eed6

Analysis

max time kernel
146s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
06-04-2023 20:16

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General

Target

d1a4b07ba0986cfbde0ce745cae60b75961ea73dd8d8e85e4eb429797d24086c.xlsm
Size

155KB
MD5

1136f14ed79d433a1baae0fb1ae19031
SHA1

94da0155618eb3726ec85c617f357e3d661372bf
SHA256

d1a4b07ba0986cfbde0ce745cae60b75961ea73dd8d8e85e4eb429797d24086c
SHA512

0ba03f39f060c8b8ad160ac5b6dfc36625c5bbf6b581595eb5b9259e3f6075e86896007741d863eeb68a16e0cccca279e468661c921ab36483f508dab39a7dd8
SSDEEP

3072:FTkdm3bGeAxidxVymd1xXPMU9VlUBWA6CFvA7bRCxAVIKKDG:FTkeGKdxVyWxfMU3liWA6FsYF

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\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	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

4668 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

4668 EXCEL.EXE
4668 EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
4668	EXCEL.EXE
4668	EXCEL.EXE
4668	EXCEL.EXE
4668	EXCEL.EXE
4668	EXCEL.EXE
4668	EXCEL.EXE
4668	EXCEL.EXE
4668	EXCEL.EXE
4668	EXCEL.EXE
4668	EXCEL.EXE
4668	EXCEL.EXE
4668	EXCEL.EXE
4668	EXCEL.EXE
4668	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 4668 wrote to memory of 1632	4668	EXCEL.EXE	splwow64.exe
PID 4668 wrote to memory of 1632	4668	EXCEL.EXE	splwow64.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\d1a4b07ba0986cfbde0ce745cae60b75961ea73dd8d8e85e4eb429797d24086c.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4668

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:1632

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
1⤵
PID:508

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/4668-133-0x00007FFF89A50000-0x00007FFF89A60000-memory.dmp

Filesize
64KB

Download
memory/4668-134-0x00007FFF89A50000-0x00007FFF89A60000-memory.dmp

Filesize
64KB

Download
memory/4668-135-0x00007FFF89A50000-0x00007FFF89A60000-memory.dmp

Filesize
64KB

Download
memory/4668-136-0x00007FFF89A50000-0x00007FFF89A60000-memory.dmp

Filesize
64KB

Download
memory/4668-137-0x00007FFF89A50000-0x00007FFF89A60000-memory.dmp

Filesize
64KB

Download
memory/4668-138-0x00007FFF879F0000-0x00007FFF87A00000-memory.dmp

Filesize
64KB

Download
memory/4668-139-0x00007FFF879F0000-0x00007FFF87A00000-memory.dmp

Filesize
64KB

Download