52380fa4188daab8d7e884c71da9e39e80048d7cfe373d0a5e197bd14fb43521

Resubmissions

13-09-2023 20:47

230913-zk1mnahe68 10

13-09-2023 19:55

230913-ym9snsef2y 10

13-09-2023 19:49

230913-yjtbhshc66 3

Analysis

max time kernel
240s
max time network
294s
platform
windows10-2004_x64
resource
win10v2004-20230831-en
resource tags

arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system
submitted
13-09-2023 19:55

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Report Analysis Logs

General

Target

Electronic form 03.22.2023.one
Size

261KB
MD5

f6fd612e5a9435e9d682445f6eedf822
SHA1

726f1f38404a42f92650c647d68cee94c0ceea7a
SHA256

49b6ecc7fc09944ad7ae6456458cbf0c9c7284ad8e371fcbd791d1e8cd809dee
SHA512

196e17a1871e81609e2328dd018c4ba946bbb8749d53d221afb27a5ff75dd06b860deac21389a00905a7d522616a690cb5d4f17e5459b5e86c60337aa727eab0
SSDEEP

3072:xXzeHrBwsHzUfxJ3mY2IsGllOb3HPWaBtOzUfxJ3mY2IsGllOb3HPWaBtuXJ:FeHrBwsYXm5ZGa3vRXm5ZGa3vg

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.

Processes:

DW20.EXE

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\ONENOTE.EXE is not expected to spawn this process	3848	4688	DW20.EXE	ONENOTE.EXE

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:

dwwin.exe

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

Processes:

dwwin.exe

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: EnumeratesProcesses 4 IoCs

Processes:

ONENOTE.EXE

pid process

4688 ONENOTE.EXE
4688 ONENOTE.EXE
4688 ONENOTE.EXE
4688 ONENOTE.EXE

Suspicious use of SetWindowsHookEx 10 IoCs

Processes:

ONENOTE.EXE

pid	process
4688	ONENOTE.EXE
4688	ONENOTE.EXE
4688	ONENOTE.EXE
4688	ONENOTE.EXE
4688	ONENOTE.EXE
4688	ONENOTE.EXE
4688	ONENOTE.EXE
4688	ONENOTE.EXE
4688	ONENOTE.EXE
4688	ONENOTE.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

ONENOTE.EXEDW20.EXE

description	pid	process	target process
PID 4688 wrote to memory of 3848	4688	ONENOTE.EXE	DW20.EXE
PID 4688 wrote to memory of 3848	4688	ONENOTE.EXE	DW20.EXE
PID 3848 wrote to memory of 3476	3848	DW20.EXE	dwwin.exe
PID 3848 wrote to memory of 3476	3848	DW20.EXE	dwwin.exe

C:\Program Files\Microsoft Office\Root\Office16\ONENOTE.EXE
"C:\Program Files\Microsoft Office\Root\Office16\ONENOTE.EXE" "C:\Users\Admin\AppData\Local\Temp\Electronic form 03.22.2023.one"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4688

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 3460
2⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:3848

C:\Windows\system32\dwwin.exe
C:\Windows\system32\dwwin.exe -x -s 3460
3⤵
- Checks processor information in registry
- Enumerates system info in registry
PID:3476

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

memory/3848-15-0x00007FFEABA50000-0x00007FFEABC45000-memory.dmp

Filesize
2.0MB

Download
memory/3848-34-0x00007FFE6BAD0000-0x00007FFE6BAE0000-memory.dmp

Filesize
64KB

Download
memory/3848-35-0x00007FFEABA50000-0x00007FFEABC45000-memory.dmp

Filesize
2.0MB

Download
memory/3848-37-0x00007FFEABA50000-0x00007FFEABC45000-memory.dmp

Filesize
2.0MB

Download
memory/3848-36-0x00007FFEABA50000-0x00007FFEABC45000-memory.dmp

Filesize
2.0MB

Download
memory/3848-33-0x00007FFE6BAD0000-0x00007FFE6BAE0000-memory.dmp

Filesize
64KB

Download
memory/3848-32-0x00007FFE6BAD0000-0x00007FFE6BAE0000-memory.dmp

Filesize
64KB

Download
memory/3848-31-0x00007FFE6BAD0000-0x00007FFE6BAE0000-memory.dmp

Filesize
64KB

Download
memory/3848-23-0x00007FFEABA50000-0x00007FFEABC45000-memory.dmp

Filesize
2.0MB

Download
memory/3848-22-0x00007FFEABA50000-0x00007FFEABC45000-memory.dmp

Filesize
2.0MB

Download
memory/3848-19-0x00007FFEABA50000-0x00007FFEABC45000-memory.dmp

Filesize
2.0MB

Download
memory/3848-17-0x00007FFEABA50000-0x00007FFEABC45000-memory.dmp

Filesize
2.0MB

Download
memory/4688-12-0x00007FFE69440000-0x00007FFE69450000-memory.dmp

Filesize
64KB

Download
memory/4688-7-0x00007FFEABA50000-0x00007FFEABC45000-memory.dmp

Filesize
2.0MB

Download
memory/4688-11-0x00007FFE69440000-0x00007FFE69450000-memory.dmp

Filesize
64KB

Download
memory/4688-10-0x00007FFEABA50000-0x00007FFEABC45000-memory.dmp

Filesize
2.0MB

Download
memory/4688-5-0x00007FFEABA50000-0x00007FFEABC45000-memory.dmp

Filesize
2.0MB

Download
memory/4688-9-0x00007FFEABA50000-0x00007FFEABC45000-memory.dmp

Filesize
2.0MB

Download
memory/4688-30-0x00007FFEABA50000-0x00007FFEABC45000-memory.dmp

Filesize
2.0MB

Download
memory/4688-0-0x00007FFE6BAD0000-0x00007FFE6BAE0000-memory.dmp

Filesize
64KB

Download
memory/4688-8-0x00007FFE6BAD0000-0x00007FFE6BAE0000-memory.dmp

Filesize
64KB

Download
memory/4688-6-0x00007FFE6BAD0000-0x00007FFE6BAE0000-memory.dmp

Filesize
64KB

Download
memory/4688-4-0x00007FFE6BAD0000-0x00007FFE6BAE0000-memory.dmp

Filesize
64KB

Download
memory/4688-3-0x00007FFEABA50000-0x00007FFEABC45000-memory.dmp

Filesize
2.0MB

Download
memory/4688-2-0x00007FFE6BAD0000-0x00007FFE6BAE0000-memory.dmp

Filesize
64KB

Download
memory/4688-1-0x00007FFEABA50000-0x00007FFEABC45000-memory.dmp

Filesize
2.0MB

Download