e98fcb546dc181b50bbe823500bc7ee87cbb637a7f0a8b5221436b526eed8f56

Analysis

max time kernel
168s
max time network
186s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2022 19:26

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General

Target

e98fcb546dc181b50bbe823500bc7ee87cbb637a7f0a8b5221436b526eed8f56.xls
Size

260KB
MD5

4452090a8641738b7c9db7673b8f5053
SHA1

980170d745c6b3e16dbb8e83761815af20109ab3
SHA256

e98fcb546dc181b50bbe823500bc7ee87cbb637a7f0a8b5221436b526eed8f56
SHA512

3844b7ac727e8150b1555509a8ab93354dc5944a780754efaf75554ce6f7fe30dc171b67661b5945d0aa57f035957222fc488781d1985e158d6a2631ff8c15d5
SSDEEP

6144:dxba7iFAbSyLYAiaFLorhddKLC/9Krd8cRs2:V

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

1464 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
1464	EXCEL.EXE
1464	EXCEL.EXE
1464	EXCEL.EXE
1464	EXCEL.EXE
1464	EXCEL.EXE
1464	EXCEL.EXE
1464	EXCEL.EXE
1464	EXCEL.EXE
1464	EXCEL.EXE
1464	EXCEL.EXE
1464	EXCEL.EXE
1464	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1464 wrote to memory of 4040	1464	EXCEL.EXE	splwow64.exe
PID 1464 wrote to memory of 4040	1464	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\e98fcb546dc181b50bbe823500bc7ee87cbb637a7f0a8b5221436b526eed8f56.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1464

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:4040

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
1⤵
PID:4804

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/1464-132-0x00007FFE76630000-0x00007FFE76640000-memory.dmp

Filesize
64KB

Download
memory/1464-133-0x00007FFE76630000-0x00007FFE76640000-memory.dmp

Filesize
64KB

Download
memory/1464-134-0x00007FFE76630000-0x00007FFE76640000-memory.dmp

Filesize
64KB

Download
memory/1464-135-0x00007FFE76630000-0x00007FFE76640000-memory.dmp

Filesize
64KB

Download
memory/1464-136-0x00007FFE76630000-0x00007FFE76640000-memory.dmp

Filesize
64KB

Download
memory/1464-137-0x00007FFE74320000-0x00007FFE74330000-memory.dmp

Filesize
64KB

Download
memory/1464-138-0x00007FFE74320000-0x00007FFE74330000-memory.dmp

Filesize
64KB

Download
memory/1464-141-0x00007FFE76630000-0x00007FFE76640000-memory.dmp

Filesize
64KB

Download
memory/1464-142-0x00007FFE76630000-0x00007FFE76640000-memory.dmp

Filesize
64KB

Download
memory/1464-143-0x00007FFE76630000-0x00007FFE76640000-memory.dmp

Filesize
64KB

Download
memory/1464-144-0x00007FFE76630000-0x00007FFE76640000-memory.dmp

Filesize
64KB

Download
memory/4040-139-0x0000000000000000-mapping.dmp

Download