Analysis

  • max time kernel
    25s
  • max time network
    33s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    22-04-2021 00:22

General

  • Target

    e18f82eadaccb83c8a0c5099062d9dd8ddcf116de7539856ad1a325844c21a72.dll

  • Size

    162KB

  • MD5

    9607f59f05d6c56137e19dcf1d8aee42

  • SHA1

    d4e59a585586771076cb43583387f1db7cd446ba

  • SHA256

    e18f82eadaccb83c8a0c5099062d9dd8ddcf116de7539856ad1a325844c21a72

  • SHA512

    03538c4369086c55b65988244079cec6b9dec9e024a9ee4353f75ee796ff86bf231c906505467530afdfca68bb972d67d5b602ae3eb95fbabf77847cb8235a9f

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 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\e18f82eadaccb83c8a0c5099062d9dd8ddcf116de7539856ad1a325844c21a72.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2544
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\e18f82eadaccb83c8a0c5099062d9dd8ddcf116de7539856ad1a325844c21a72.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:3952

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3952-114-0x0000000000000000-mapping.dmp
  • memory/3952-115-0x0000000073990000-0x00000000739BE000-memory.dmp
    Filesize

    184KB

  • memory/3952-117-0x0000000002DE0000-0x0000000002DE6000-memory.dmp
    Filesize

    24KB