Analysis

  • max time kernel
    25s
  • max time network
    119s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    15/06/2021, 16:17

General

  • Target

    86636904b19483397b3cc804a50d4327a918f30ae2a52041e5befd051c5f452d.dll

  • Size

    170KB

  • MD5

    0ed397a1bbac763ec318f89ffe3e9bea

  • SHA1

    37b6d87b354bd71d0174633b76d89d4d7bf5749d

  • SHA256

    86636904b19483397b3cc804a50d4327a918f30ae2a52041e5befd051c5f452d

  • SHA512

    f0d8fe8d7d7591fb3e4141f9c15addfb17f9529ef85ba9a82d7aa723f74701a40acdfb194fb4a21d92038c3bdf1fe368cf56f80f07100de707cb2868d06b80c2

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\86636904b19483397b3cc804a50d4327a918f30ae2a52041e5befd051c5f452d.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:672
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\86636904b19483397b3cc804a50d4327a918f30ae2a52041e5befd051c5f452d.dll,#1
      2⤵
        PID:1312
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1312 -s 684
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3640

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1312-115-0x00000000742C0000-0x00000000742F0000-memory.dmp

            Filesize

            192KB

          • memory/1312-117-0x00000000033F0000-0x0000000003413000-memory.dmp

            Filesize

            140KB