Analysis

  • max time kernel
    39s
  • max time network
    56s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    19/05/2021, 21:20

General

  • Target
    6adab184_by_Libranalysis.dll
  • Size 170KB
  • Sample210519-fxhphl124n
  • SHA256 0ff0ed3274fa2251173d9dbb7a62726ae561356fafcd8a3357b3ef394bbf2332
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • dridex

Botnet
  • 22201

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.

  • Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
  • 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\6adab184_by_Libranalysis.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:652
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\6adab184_by_Libranalysis.dll,#1
      2⤵
        PID:736
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 736 -s 648
          3⤵
          • Suspicious use of NtCreateProcessExOtherParentProcess
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3148

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

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          Downloads

          memory/736-115-0x00000000742C0000-0x00000000742EF000-memory.dmp

          memory/736-117-0x0000000000280000-0x000000000032E000-memory.dmp