Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    02-04-2024 07:29

General

  • Target

    $PLUGINSDIR/olldmhffoaz.dll

  • Size

    22KB

  • MD5

    374e00e1b931d7e06c74d4ce9c9476a3

  • SHA1

    5f199903f9b64b10e218b4d98621f7c2b02b11d9

  • SHA256

    80f175c88444e4c1388bdc3560f9c44b9fb3a24861f20bbedab4b5dfd69d10ef

  • SHA512

    470793bc592c7ec78cc1dec91ebe48d6136c60d179512782b8b41532d372a8293c53913653931b3c74d1544fb038e1fc649cac745bd65310c1ffc88606350ad4

  • SSDEEP

    384:4nMclcY5oSkzLuF1L0hF2IQwAtTbGB1jMbo:4Mc+YSSkzLuFZkw9w+fGBZO

Score
10/10

Malware Config

Signatures

  • BluStealer

    A Modular information stealer written in Visual Basic.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\olldmhffoaz.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2912
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\olldmhffoaz.dll,#1
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:2320
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\olldmhffoaz.dll,#1
        3⤵
        • Suspicious use of SetWindowsHookEx
        PID:1920

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1920-1-0x0000000000400000-0x0000000000472000-memory.dmp

    Filesize

    456KB

  • memory/1920-4-0x0000000000400000-0x0000000000472000-memory.dmp

    Filesize

    456KB

  • memory/1920-7-0x0000000000400000-0x0000000000472000-memory.dmp

    Filesize

    456KB

  • memory/1920-8-0x0000000000400000-0x0000000000472000-memory.dmp

    Filesize

    456KB

  • memory/2320-0-0x0000000010000000-0x0000000010009000-memory.dmp

    Filesize

    36KB

  • memory/2320-2-0x0000000010000000-0x0000000010009000-memory.dmp

    Filesize

    36KB