Analysis

  • max time kernel
    19s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    29-06-2021 07:58

General

  • Target

    4cefea3d45c3e40214ad4181ff09c259846457aca42144fd45882e1e4bbc20f0.dll

  • Size

    162KB

  • MD5

    cc7e2b31312523ad5acbedd214e45b46

  • SHA1

    38e155b402b78cc68328201fdea04dbdf846b0f0

  • SHA256

    4cefea3d45c3e40214ad4181ff09c259846457aca42144fd45882e1e4bbc20f0

  • SHA512

    8d451b63518786995856e0766698a11bdc3efc7fab458f69a52868033ebc8981f6e4478b74dcd8508fc17b060042069b5e5a3439b21d87d14747f4bc3fb8df27

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\4cefea3d45c3e40214ad4181ff09c259846457aca42144fd45882e1e4bbc20f0.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4024
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\4cefea3d45c3e40214ad4181ff09c259846457aca42144fd45882e1e4bbc20f0.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:4064

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4064-114-0x0000000000000000-mapping.dmp

  • memory/4064-115-0x0000000074480000-0x00000000744AE000-memory.dmp

    Filesize

    184KB

  • memory/4064-117-0x0000000000550000-0x0000000000556000-memory.dmp

    Filesize

    24KB