Analysis

  • max time kernel
    19s
  • max time network
    111s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    21-04-2021 15:10

General

  • Target

    f97267220e8d61d02d0806d9264dfae457c73867b81771ed934afdcecbf900a1.dll

  • Size

    158KB

  • MD5

    72c26718c7082c76bb6811202ca2c834

  • SHA1

    10525964670e9ca34cd0f6227b953fe311fd21c1

  • SHA256

    f97267220e8d61d02d0806d9264dfae457c73867b81771ed934afdcecbf900a1

  • SHA512

    8a53fbb05c13abb19ee38bab129b3ab97a293e37916e92a531810aacaf723b26492055a1f2781e8c5e5962487d85039adb13a354207295f53ebf99deecf17b38

Malware Config

Extracted

Family

dridex

Botnet

40112

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\f97267220e8d61d02d0806d9264dfae457c73867b81771ed934afdcecbf900a1.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3540
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\f97267220e8d61d02d0806d9264dfae457c73867b81771ed934afdcecbf900a1.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:3924

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3924-114-0x0000000000000000-mapping.dmp

  • memory/3924-115-0x0000000074090000-0x00000000740BD000-memory.dmp

    Filesize

    180KB

  • memory/3924-117-0x0000000002F50000-0x0000000002F56000-memory.dmp

    Filesize

    24KB