Analysis

  • max time kernel
    17s
  • max time network
    115s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    15/06/2021, 15:25

General

  • Target

    7bfc818098713a703e8b6c217fc82f32fc3abee1810b92fdb7b237858179f62a.dll

  • Size

    172KB

  • MD5

    6dd7dca1b7d0916882c05d5d577c8713

  • SHA1

    0ab47c0753a51adb505cebdaf0d16eb264cded69

  • SHA256

    7bfc818098713a703e8b6c217fc82f32fc3abee1810b92fdb7b237858179f62a

  • SHA512

    d60c8ee0073d8484cc1cb45c200cc39e6066476c2afdf1cd8547c32e1b5971a797c0311a66375092526bc53f1ce9b53a89a2ef31d52f7a5aaf393bb2b1efbe92

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\7bfc818098713a703e8b6c217fc82f32fc3abee1810b92fdb7b237858179f62a.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2208
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\7bfc818098713a703e8b6c217fc82f32fc3abee1810b92fdb7b237858179f62a.dll,#1
      2⤵
        PID:496
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 496 -s 676
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1104

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

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          Downloads

          • memory/496-115-0x0000000073860000-0x0000000073890000-memory.dmp

            Filesize

            192KB

          • memory/496-117-0x00000000006F0000-0x000000000079E000-memory.dmp

            Filesize

            696KB