Analysis

  • max time kernel
    18s
  • max time network
    122s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    15/06/2021, 15:28

General

  • Target

    ff42a8c156542587a6ab6527d0805d88b454a9cce0105f3f08b2b7ca1fbec10b.dll

  • Size

    170KB

  • MD5

    e561582cd061be9a50f2131c99799c56

  • SHA1

    ea47b15a08a8ed8a352478e664c0d7a7451d399b

  • SHA256

    ff42a8c156542587a6ab6527d0805d88b454a9cce0105f3f08b2b7ca1fbec10b

  • SHA512

    d9262132fc6e1e86f73fb9e86be2f0924177b351a06d776343f97fb9c34928663d2f140c3b25a9bb83da418da3726101003b8a76b7e3b551eb2598876aef26f1

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\ff42a8c156542587a6ab6527d0805d88b454a9cce0105f3f08b2b7ca1fbec10b.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3176
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\ff42a8c156542587a6ab6527d0805d88b454a9cce0105f3f08b2b7ca1fbec10b.dll,#1
      2⤵
        PID:740
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 740 -s 684
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3032

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

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          Downloads

          • memory/740-115-0x0000000073BF0000-0x0000000073C20000-memory.dmp

            Filesize

            192KB

          • memory/740-117-0x0000000000DF0000-0x0000000000F3A000-memory.dmp

            Filesize

            1.3MB