05451b195a176fa75fb7a8de600068e1f08b2a0b5cef42eef8439ec28ed26a59 | Triage

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27-04-2024 19:36

240427-ybnfasfc9t 7

27-04-2024 19:12

240427-xwpy7afb2v 7

27-04-2024 18:20

240427-wy4ppaed6x 7

Analysis

max time kernel
66s
max time network
51s
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 19:36

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General

Target

$PLUGINSDIR/WinShell.dll
Size

3KB
MD5

1cc7c37b7e0c8cd8bf04b6cc283e1e56
SHA1

0b9519763be6625bd5abce175dcc59c96d100d4c
SHA256

9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6
SHA512

7acf7f8e68aa6066b59ca9f2ae2e67997e6b347bc08eb788d2a119b3295c844b5b9606757168e8d2fbd61c2cda367bf80e9e48c9a52c28d5a7a00464bfd2048f

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3892	3488	WerFault.exe	85

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4440 wrote to memory of 3488	4440	rundll32.exe	85
PID 4440 wrote to memory of 3488	4440	rundll32.exe	85
PID 4440 wrote to memory of 3488	4440	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\WinShell.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4440
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\WinShell.dll,#1
  2⤵
  PID:3488
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3488 -s 612
    3⤵
    - Program crash
    PID:3892

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3488 -ip 3488
1⤵
PID:2180

Network

MITRE ATT&CK Matrix

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