Analysis

  • max time kernel
    19s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    15/06/2021, 11:13

General

  • Target

    efe35e598ab3a917826801409b601a9407b4b50540c3303daf319e51b37b32d0.dll

  • Size

    170KB

  • MD5

    0c11371697e8dba51059bffeeb42673d

  • SHA1

    08233d8e56153241e1312a04547fd1bd7079a5c8

  • SHA256

    efe35e598ab3a917826801409b601a9407b4b50540c3303daf319e51b37b32d0

  • SHA512

    b15e4432d65f24a1943e5f19f2ceaa2edd215c4c4ba00d4c9617a0dedf3472bdcf7f7710a3f29a351493e2d724b2edfa011ed0c82223c2589dec61b0f9ce1372

Malware Config

Extracted

Family

dridex

Botnet

40112

C2

128.199.200.38:443

192.163.233.216:6601

43.229.206.244:4125

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\efe35e598ab3a917826801409b601a9407b4b50540c3303daf319e51b37b32d0.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1832
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\efe35e598ab3a917826801409b601a9407b4b50540c3303daf319e51b37b32d0.dll,#1
      2⤵
        PID:2856
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2856 -s 684
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3808

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/2856-115-0x00000000741E0000-0x0000000074210000-memory.dmp

            Filesize

            192KB

          • memory/2856-117-0x0000000003480000-0x00000000034A3000-memory.dmp

            Filesize

            140KB