Analysis

  • max time kernel
    74s
  • max time network
    8s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    17/03/2021, 17:58

General

  • Target
    7faf826db36e907d2097543bdc5c65e64a1ba2125afd9e8e35fe448fdd4a4645.dll
  • Size 208KB
  • Sample210317-d17fvp4msa
  • SHA256 7faf826db36e907d2097543bdc5c65e64a1ba2125afd9e8e35fe448fdd4a4645
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • dridex

Botnet
  • 111

C2
  • 77.220.64.137:443

  • 66.228.134.180:6601

  • 199.204.214.26:7073

rc4.plain
rc4.plain

Signatures

  • Dridex

    Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.

  • Dridex Loader 2 IoCs

    Detects Dridex both x86 and x64 loader in memory.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\7faf826db36e907d2097543bdc5c65e64a1ba2125afd9e8e35fe448fdd4a4645.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1752
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\7faf826db36e907d2097543bdc5c65e64a1ba2125afd9e8e35fe448fdd4a4645.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:988

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/988-3-0x0000000075EB1000-0x0000000075EB3000-memory.dmp

        memory/988-4-0x00000000747A0000-0x00000000747D6000-memory.dmp

        memory/988-5-0x00000000000C0000-0x00000000000C6000-memory.dmp

        memory/988-6-0x00000000747A0000-0x00000000747C1000-memory.dmp