Analysis

  • max time kernel
    25s
  • max time network
    119s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    15/06/2021, 15:32

General

  • Target

    dd69d63712b19a192d02e81875d3234a650dc9b810f0d15d33f811c83363358e.dll

  • Size

    172KB

  • MD5

    685ad4c2bd32d3c183fc42ba2d23bff1

  • SHA1

    8537c6abee66cf624af0862b0236c8b7db9a64cc

  • SHA256

    dd69d63712b19a192d02e81875d3234a650dc9b810f0d15d33f811c83363358e

  • SHA512

    eb63e21bccb0226282dd703386220ea45604acb0f98a77218ed0578b4d229773f3a4d6416496bf8f381ebd16304ac92c4c997e5e0de583d37134ae185d420392

Malware Config

Extracted

Family

dridex

Botnet

40112

C2

210.65.244.187:443

162.241.41.92:2303

46.231.204.10:8172

185.183.159.100:4125

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.

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\dd69d63712b19a192d02e81875d3234a650dc9b810f0d15d33f811c83363358e.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2996
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\dd69d63712b19a192d02e81875d3234a650dc9b810f0d15d33f811c83363358e.dll,#1
      2⤵
        PID:780
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 780 -s 680
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1528

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/780-115-0x0000000073890000-0x00000000738C0000-memory.dmp

            Filesize

            192KB

          • memory/780-117-0x00000000027F0000-0x00000000027F6000-memory.dmp

            Filesize

            24KB