Analysis

  • max time kernel
    18s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    15/06/2021, 15:42

General

  • Target

    c6c3df1cc3a95283d99fd2f33d035e4caf61ac9c16e7c108785234a9bdce2bac.dll

  • Size

    170KB

  • MD5

    2bddf90e89bfd019fedb93e195077a73

  • SHA1

    6e64c01555de098f21215188886b782c87e5022d

  • SHA256

    c6c3df1cc3a95283d99fd2f33d035e4caf61ac9c16e7c108785234a9bdce2bac

  • SHA512

    f3924a12ae4d903deaa6b6f783fb829d168d7ae10bdd655f2597efa0c8415042d078b1d3687ea44ae020cbd6eb200472a5019fecfa95585a4da49d5025739b23

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\c6c3df1cc3a95283d99fd2f33d035e4caf61ac9c16e7c108785234a9bdce2bac.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3892
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\c6c3df1cc3a95283d99fd2f33d035e4caf61ac9c16e7c108785234a9bdce2bac.dll,#1
      2⤵
        PID:8
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 8 -s 680
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2808

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

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          Downloads

          • memory/8-115-0x0000000073DE0000-0x0000000073E10000-memory.dmp

            Filesize

            192KB

          • memory/8-117-0x0000000000A60000-0x0000000000A66000-memory.dmp

            Filesize

            24KB