Analysis

  • max time kernel
    26s
  • max time network
    78s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    15/06/2021, 11:12

General

  • Target

    42d2dfce704fa6bcf0c42c7cb2da5fc157312ce258fa242ad836024adc06f210.dll

  • Size

    162KB

  • MD5

    3454e0a0d06dcb85766ce402c3ad81d6

  • SHA1

    663fd13ef1e9adc048cbbd6c5f252e1f3783c874

  • SHA256

    42d2dfce704fa6bcf0c42c7cb2da5fc157312ce258fa242ad836024adc06f210

  • SHA512

    471097183d61a74c0cf6b1e558ea0556b2b7a16b9f28347e73281b99a766a7d5e3d33269b50048c0c307506b81d19baa0a9068d217dac46c730a549b101aefae

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\42d2dfce704fa6bcf0c42c7cb2da5fc157312ce258fa242ad836024adc06f210.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:668
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\42d2dfce704fa6bcf0c42c7cb2da5fc157312ce258fa242ad836024adc06f210.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:3700

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/3700-115-0x0000000073A70000-0x0000000073A9E000-memory.dmp

          Filesize

          184KB

        • memory/3700-117-0x0000000000600000-0x0000000000606000-memory.dmp

          Filesize

          24KB