Analysis

  • max time kernel
    136s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    19/04/2021, 01:58

General

  • Target
    8a616525bd6053a2ed9ff0bd9f08780285be28f9704883923a621342e8a14be1.dll
  • Size 162KB
  • Sample210419-lv7erfcb4e
  • SHA256 8a616525bd6053a2ed9ff0bd9f08780285be28f9704883923a621342e8a14be1
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • dridex

Botnet
  • 40112

C2
  • 107.172.227.10:443

  • 172.93.133.123:2303

  • 108.168.61.147:8172

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.

  • 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\8a616525bd6053a2ed9ff0bd9f08780285be28f9704883923a621342e8a14be1.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1088
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\8a616525bd6053a2ed9ff0bd9f08780285be28f9704883923a621342e8a14be1.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:1916

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1916-60-0x00000000753B1000-0x00000000753B3000-memory.dmp

        memory/1916-61-0x0000000074C90000-0x0000000074CBE000-memory.dmp

        memory/1916-63-0x00000000001C0000-0x00000000001C6000-memory.dmp