Analysis

  • max time kernel
    18s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    15/06/2021, 11:31

General

  • Target

    c1bbdb2c4d88b9d9c9ef54dac54932efdc690e684a6d733b6510d6e326ad9caf.dll

  • Size

    172KB

  • MD5

    0272ff3ac4717aea1ce493a6e5d59e23

  • SHA1

    692c33cec4e51e9f8915b63b14388ed65dbec076

  • SHA256

    c1bbdb2c4d88b9d9c9ef54dac54932efdc690e684a6d733b6510d6e326ad9caf

  • SHA512

    2518a424ace7c575e00f934527e9c4d8aaf5c0ca34fcdc1e36a61713f36c2d33986e483144c0249282c7d33e4d1346be6023d35ff2984544fc4b54137fc094ba

Malware Config

Extracted

Family

dridex

Botnet

40112

C2

210.65.244.187:443

162.241.41.92:2303

46.231.204.10:8172

185.183.159.100:4125

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.

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\c1bbdb2c4d88b9d9c9ef54dac54932efdc690e684a6d733b6510d6e326ad9caf.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1852
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\c1bbdb2c4d88b9d9c9ef54dac54932efdc690e684a6d733b6510d6e326ad9caf.dll,#1
      2⤵
        PID:3264
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3264 -s 688
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1240

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/3264-115-0x0000000073E80000-0x0000000073EB0000-memory.dmp

            Filesize

            192KB

          • memory/3264-117-0x00000000008F0000-0x00000000008F6000-memory.dmp

            Filesize

            24KB