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Analysis

  • max time kernel
    36s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/12/2023, 09:25

General

  • Target

    63922c2487337188b76e721d86ba1a4f.dll

  • Size

    175KB

  • MD5

    63922c2487337188b76e721d86ba1a4f

  • SHA1

    506aca93e90417e91bdf5cde5095aa07de62acae

  • SHA256

    1718966d91a317e8d16a0015e8f24c295f8ce978af37acef7cdbc9d76934c100

  • SHA512

    ccc538139a832b42f0eae3c368316080b6247493dbdff0b8d79660ed64520a312f3d01e2527cc71f8437816573a367f6fd5e0cbf16778dfa22b1d834b6759595

  • SSDEEP

    3072:syY5bY8XE+kkqh84cKcv4FinaLzL2rVQLOmpvNbTAvDstOr18T:PRAkkk84e4wne2nmhFAvD4O

Malware Config

Extracted

Family

dridex

Botnet

22201

C2

45.79.33.48:443

139.162.202.74:5007

68.183.216.174:7443

rc4.plain
rc4.plain

Signatures

  • Dridex

    Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.

  • Dridex Loader 2 IoCs

    Detects Dridex both x86 and x64 loader in memory.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\63922c2487337188b76e721d86ba1a4f.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4080
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\63922c2487337188b76e721d86ba1a4f.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:4196

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/4196-0-0x00000000757A0000-0x00000000757D0000-memory.dmp

    Filesize

    192KB

  • memory/4196-1-0x0000000000FB0000-0x0000000000FB6000-memory.dmp

    Filesize

    24KB

  • memory/4196-2-0x00000000757A0000-0x00000000757D0000-memory.dmp

    Filesize

    192KB