222b38987e7854a54088fa4a8609348be3a637ed35d0d10f16e0c8991a3fe31e | Triage

Analysis

max time kernel
66s
max time network
54s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
27-04-2024 22:22

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General

Target

$PLUGINSDIR/cwbittx.dll
Size

170KB
MD5

a82227bd0cfb88b062e2b08a702d3668
SHA1

f760b4d30eeb6d317cb15503677a098a6f5311e8
SHA256

03713ee5afc47988c3ed690c7eca3e6c74123e23d6526bc5cf5c10292151a35d
SHA512

283ca80a5a64520a7f46b37c65d8c8a81d1f4390dfabf2dc3b0693a176ce501f5de40e169b24d2a48fd1643280141a5b7f43a7a7b0a9391b68bb6dcad65c879c
SSDEEP

3072:GnHLx5QOoA6gUuTAQTpxn9ffrd/+0w3zJacg:aLM2pnfrpmscg

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3412 1480 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1012 wrote to memory of 1480	1012	rundll32.exe	rundll32.exe
PID 1012 wrote to memory of 1480	1012	rundll32.exe	rundll32.exe
PID 1012 wrote to memory of 1480	1012	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\cwbittx.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1012

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\cwbittx.dll,#1
2⤵
PID:1480

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1480 -s 600
3⤵
- Program crash
PID:3412

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1480 -ip 1480
1⤵
PID:2892

Network

MITRE ATT&CK Matrix

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