950550519929170253bdc7b3587976e73a274833656ed4af54322fe71cd12cd3

Analysis

max time kernel
44s
max time network
48s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23-08-2024 21:22

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General

Target

950550519929170253bdc7b3587976e73a274833656ed4af54322fe71cd12cd3.xls
Size

47KB
MD5

386fe3c94ae489027d67e46c158e4cec
SHA1

b394b5d8b0ca29b7d9862d3a5daabb9e21630514
SHA256

950550519929170253bdc7b3587976e73a274833656ed4af54322fe71cd12cd3
SHA512

57ac2522dbc528fdb45df623aa37775494812c8563be7c2b6e883a4266fc17835f2425498288f4c7a5594c157013aeee7772bdb7e017f47295ae80c87236eae5
SSDEEP

768:cn8xEtjPOtioVjDGUU1qfDlaGGx+cL+LIfdAWkpGfyuexEFHD7bGlPkEXMJxF:c8xEtjPOtioVjDGUU1qfDlaGGx+cL+La

Score

6^/10

Malware Config

Signatures

Process spawned suspicious child process 1 IoCs

This child process is typically not spawned unless (for example) the parent process crashes. This typically indicates the parent process was unsuccessfully compromised.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	5012	4424	DW20.EXE	83

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dwwin.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dwwin.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dwwin.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dwwin.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dwwin.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
4424	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4424	EXCEL.EXE
4424	EXCEL.EXE
4424	EXCEL.EXE
4424	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
4424	EXCEL.EXE
4424	EXCEL.EXE
4424	EXCEL.EXE
4424	EXCEL.EXE
4424	EXCEL.EXE
4424	EXCEL.EXE
4424	EXCEL.EXE
4424	EXCEL.EXE
4424	EXCEL.EXE
4424	EXCEL.EXE
4424	EXCEL.EXE
4424	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4424 wrote to memory of 5012	4424	EXCEL.EXE	88
PID 4424 wrote to memory of 5012	4424	EXCEL.EXE	88
PID 5012 wrote to memory of 3120	5012	DW20.EXE	89
PID 5012 wrote to memory of 3120	5012	DW20.EXE	89

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\950550519929170253bdc7b3587976e73a274833656ed4af54322fe71cd12cd3.xls"
1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4424
- C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE
  "C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE" -x -s 4336
  2⤵
  - Process spawned suspicious child process
  - Suspicious use of WriteProcessMemory
  PID:5012
- - C:\Windows\system32\dwwin.exe
    C:\Windows\system32\dwwin.exe -x -s 4336
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    PID:3120

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4424-1-0x00007FFF4F9D0000-0x00007FFF4F9E0000-memory.dmp

Filesize
64KB

Download
memory/4424-0-0x00007FFF4F9D0000-0x00007FFF4F9E0000-memory.dmp

Filesize
64KB

Download
memory/4424-2-0x00007FFF4F9D0000-0x00007FFF4F9E0000-memory.dmp

Filesize
64KB

Download
memory/4424-3-0x00007FFF4F9D0000-0x00007FFF4F9E0000-memory.dmp

Filesize
64KB

Download
memory/4424-4-0x00007FFF4F9D0000-0x00007FFF4F9E0000-memory.dmp

Filesize
64KB

Download
memory/4424-5-0x00007FFF8DD00000-0x00007FFF8E43F000-memory.dmp

Filesize
7.2MB

Download
memory/4424-6-0x00007FFF4D640000-0x00007FFF4D650000-memory.dmp

Filesize
64KB

Download
memory/4424-8-0x00007FFF8DD00000-0x00007FFF8E43F000-memory.dmp

Filesize
7.2MB

Download
memory/4424-7-0x00007FFF4D640000-0x00007FFF4D650000-memory.dmp

Filesize
64KB

Download
memory/4424-9-0x00007FFF8DD00000-0x00007FFF8E43F000-memory.dmp

Filesize
7.2MB

Download
memory/4424-10-0x00007FFF8DD00000-0x00007FFF8E43F000-memory.dmp

Filesize
7.2MB

Download
memory/4424-11-0x00007FFF8DD00000-0x00007FFF8E43F000-memory.dmp

Filesize
7.2MB

Download
memory/5012-125-0x00007FFF4F9D0000-0x00007FFF4F9E0000-memory.dmp

Filesize
64KB

Download
memory/5012-124-0x00007FFF4F9D0000-0x00007FFF4F9E0000-memory.dmp

Filesize
64KB

Download
memory/5012-123-0x00007FFF4F9D0000-0x00007FFF4F9E0000-memory.dmp

Filesize
64KB

Download
memory/5012-122-0x00007FFF4F9D0000-0x00007FFF4F9E0000-memory.dmp

Filesize
64KB

Download