Analysis

  • max time kernel
    16s
  • max time network
    125s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    15/06/2021, 15:32

General

  • Target

    8a652648983472d1c527f8f16de162698a598c2acd4b2c38d041aa060dc3cfbf.dll

  • Size

    170KB

  • MD5

    ca2b721fad6bb4c60877f6a1bec6408c

  • SHA1

    86db2116a2b911a9c421b732379e95534c5bcc70

  • SHA256

    8a652648983472d1c527f8f16de162698a598c2acd4b2c38d041aa060dc3cfbf

  • SHA512

    cb1e521040a3d0f1e844def5fcbc9e9c4c46d4e70b9823a3fc329c148887e9991b3ee016cd506d020e38eae61c13b6edf98d532d2c3b25b54ca9ee1925972154

Malware Config

Extracted

Family

dridex

Botnet

40112

C2

128.199.200.38:443

192.163.233.216:6601

43.229.206.244:4125

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\8a652648983472d1c527f8f16de162698a598c2acd4b2c38d041aa060dc3cfbf.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3856
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\8a652648983472d1c527f8f16de162698a598c2acd4b2c38d041aa060dc3cfbf.dll,#1
      2⤵
        PID:3076
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3076 -s 680
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1540

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/3076-115-0x0000000074380000-0x00000000743B0000-memory.dmp

            Filesize

            192KB

          • memory/3076-117-0x00000000005C0000-0x00000000005C6000-memory.dmp

            Filesize

            24KB