Analysis

  • max time kernel
    18s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    22-06-2021 08:24

General

  • Target

    719bc750f7759d5df6ac8dd8e8a9e92bf268e8d9dcc4e51fe185d9a4a0ccb1cd.dll

  • Size

    158KB

  • MD5

    b7d7c1269f0ad1c36e627fb6ce43b8f6

  • SHA1

    a0d16b0f1845a7935c0e8f5e304727954cdee837

  • SHA256

    719bc750f7759d5df6ac8dd8e8a9e92bf268e8d9dcc4e51fe185d9a4a0ccb1cd

  • SHA512

    314d6a8a510c0d3762218e4007783ce92377e1cff38f8fa91424fc38410a2f4672ad76e0962628be0335bad2375d9c6968ca9bf7700bd9618a6775e3c93fc1ce

Malware Config

Extracted

Family

dridex

Botnet

40112

C2

8.210.53.215:443

72.249.22.245:2303

188.40.137.206:8172

rc4.plain
rc4.plain

Signatures

  • Dridex

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

  • Dridex Loader 1 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\719bc750f7759d5df6ac8dd8e8a9e92bf268e8d9dcc4e51fe185d9a4a0ccb1cd.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4048
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\719bc750f7759d5df6ac8dd8e8a9e92bf268e8d9dcc4e51fe185d9a4a0ccb1cd.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:3936

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3936-115-0x00000000755E0000-0x000000007560D000-memory.dmp

    Filesize

    180KB

  • memory/3936-117-0x0000000000AB0000-0x0000000000AB6000-memory.dmp

    Filesize

    24KB