6643f8bd5bc78c24ed7ad2eae6e8cac43c66839d1d379e525e5df7823a290a5e

Analysis

max time kernel
149s
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
02-04-2023 22:47

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General

Target

gudel.picturepark.com_website_download.aspx_downloadtoken=a572c87a-07a0-4553-9134-f6b9ee614e63&purpose=assetmanager.xlsm
Size

452KB
MD5

4f56f271474887a4de9578b0e9c76743
SHA1

923472f5abf3294f48e60b269d0417606cf1ee8e
SHA256

6643f8bd5bc78c24ed7ad2eae6e8cac43c66839d1d379e525e5df7823a290a5e
SHA512

be4647847eeb889510912221a9ba3688aed37d0087e7ec16689f4f1fb9fae16f229daa198c1ce78138eb5a1de8ad902835f3c07cb8429fc725bad871a0cd8f2f
SSDEEP

12288:SRL+sCbgjpzxsc/AFHPvBcCtqa9KH87mDLr740q:NsCkdxP/0HPK2nkHBs0q

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

3148 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
3148	EXCEL.EXE
3148	EXCEL.EXE
3148	EXCEL.EXE
3148	EXCEL.EXE
3148	EXCEL.EXE
3148	EXCEL.EXE
3148	EXCEL.EXE
3148	EXCEL.EXE
3148	EXCEL.EXE
3148	EXCEL.EXE
3148	EXCEL.EXE
3148	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 3148 wrote to memory of 3884	3148	EXCEL.EXE	splwow64.exe
PID 3148 wrote to memory of 3884	3148	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\gudel.picturepark.com_website_download.aspx_downloadtoken=a572c87a-07a0-4553-9134-f6b9ee614e63&purpose=assetmanager.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3148

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:3884

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
1⤵
PID:3380

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/3148-136-0x00007FF83AAD0000-0x00007FF83AAE0000-memory.dmp

Filesize
64KB

Download
memory/3148-138-0x00007FF83AAD0000-0x00007FF83AAE0000-memory.dmp

Filesize
64KB

Download
memory/3148-137-0x00007FF83AAD0000-0x00007FF83AAE0000-memory.dmp

Filesize
64KB

Download
memory/3148-139-0x00007FF83AAD0000-0x00007FF83AAE0000-memory.dmp

Filesize
64KB

Download
memory/3148-140-0x00007FF83AAD0000-0x00007FF83AAE0000-memory.dmp

Filesize
64KB

Download
memory/3148-141-0x00007FF8383D0000-0x00007FF8383E0000-memory.dmp

Filesize
64KB

Download
memory/3148-142-0x00007FF8383D0000-0x00007FF8383E0000-memory.dmp

Filesize
64KB

Download