Analysis

  • max time kernel
    112s
  • max time network
    140s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    17/11/2021, 22:03

General

  • Target
    SecuriteInfo.com.Trojan.Dridex.777.3977.9588.dll
  • Size 652KB
  • Sample211117-1yb2wsbbam
  • SHA256 cd2aedfa1d7113c4aa22764886c0918455e77408db27b0350c91ffdf61bb213d
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • dridex

Botnet
  • 22201

C2
  • 54.37.70.105:443

  • 198.199.70.22:6602

  • 164.68.99.3:5007

  • 142.93.218.86:4664

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 12 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\SecuriteInfo.com.Trojan.Dridex.777.3977.9588.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2704
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Dridex.777.3977.9588.dll,#1
      2⤵
        PID:2764
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2764 -s 660
          3⤵
          • Suspicious use of NtCreateProcessExOtherParentProcess
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2452

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

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          Downloads

          memory/2764-116-0x0000000073910000-0x00000000739B4000-memory.dmp

          memory/2764-118-0x0000000002FF0000-0x0000000002FF6000-memory.dmp