Analysis

  • max time kernel
    18s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    15/06/2021, 16:18

General

  • Target

    f3e3749dc20de17ac7dc81660287e205b35811fcc497701e2eb291dffb578352.dll

  • Size

    172KB

  • MD5

    c767c0dc39eae10fea68b0e045bd9990

  • SHA1

    c3904832594a593a2c53f8fd35b57c8e9f005b10

  • SHA256

    f3e3749dc20de17ac7dc81660287e205b35811fcc497701e2eb291dffb578352

  • SHA512

    b6a19a5c8c16e89f84457446abe6b9b5538c91f52366452bb990c4c759f48bca7df09f0ee153458e7498bf6a7f0acd1bdd252e7e844369a971341217bdaedb1f

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\f3e3749dc20de17ac7dc81660287e205b35811fcc497701e2eb291dffb578352.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4012
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\f3e3749dc20de17ac7dc81660287e205b35811fcc497701e2eb291dffb578352.dll,#1
      2⤵
        PID:1972
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 676
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1820

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1972-115-0x0000000073660000-0x0000000073690000-memory.dmp

            Filesize

            192KB

          • memory/1972-117-0x00000000007F0000-0x00000000007F6000-memory.dmp

            Filesize

            24KB