Analysis

  • max time kernel
    26s
  • max time network
    114s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    15/06/2021, 15:22

General

  • Target

    897dc2340ba0dcf3afbe92e8951f171f1574ad65d1580435fd84371e151929d0.dll

  • Size

    170KB

  • MD5

    58394df4da4b47623d9fc535b71a6819

  • SHA1

    55412d1bfb656079fe50504b2fcacd50fafd3ce9

  • SHA256

    897dc2340ba0dcf3afbe92e8951f171f1574ad65d1580435fd84371e151929d0

  • SHA512

    87568d4f5f28361dad1ce15703542e72258ada2316e4ef1dfa19bd66d86dd7420c488b80b3914de3a2309e784b0866361d1a8e822ee0e72d5660144a6c0246e3

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\897dc2340ba0dcf3afbe92e8951f171f1574ad65d1580435fd84371e151929d0.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1040
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\897dc2340ba0dcf3afbe92e8951f171f1574ad65d1580435fd84371e151929d0.dll,#1
      2⤵
        PID:2004
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2004 -s 680
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2844

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/2004-115-0x0000000073F50000-0x0000000073F80000-memory.dmp

            Filesize

            192KB

          • memory/2004-117-0x0000000003210000-0x0000000003216000-memory.dmp

            Filesize

            24KB