Analysis

  • max time kernel
    18s
  • max time network
    113s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    19-06-2021 19:26

General

  • Target

    8cf3c898b1a174929010721ab4a567c3cdbbccfc6d62ebdc53a376fd4c3c5936.dll

  • Size

    158KB

  • MD5

    007285ea92c09f63010c5a6bf3588ff6

  • SHA1

    58ad5f29857f0da03ba9a23e1bcd45c68a9694e9

  • SHA256

    8cf3c898b1a174929010721ab4a567c3cdbbccfc6d62ebdc53a376fd4c3c5936

  • SHA512

    3c15e2c42362860d34050b4653587f7a94b5f4cf15270d2ce1eaf20453215fbdb7c87ab902a8d7d4f3000203c9b7fc2f7735768c9366aac5fef4d6fca49dff5a

Malware Config

Extracted

Family

dridex

Botnet

40111

C2

8.210.53.215:443

72.249.22.245:2303

188.40.137.206:8172

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\8cf3c898b1a174929010721ab4a567c3cdbbccfc6d62ebdc53a376fd4c3c5936.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3256
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\8cf3c898b1a174929010721ab4a567c3cdbbccfc6d62ebdc53a376fd4c3c5936.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:3764

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3764-114-0x0000000000000000-mapping.dmp

  • memory/3764-115-0x0000000073D70000-0x0000000073D9D000-memory.dmp

    Filesize

    180KB

  • memory/3764-117-0x0000000002E80000-0x0000000002E86000-memory.dmp

    Filesize

    24KB