Analysis

  • max time kernel
    25s
  • max time network
    119s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    15/06/2021, 15:21

General

  • Target

    417962beb3c20117a417c58c2f2840fb89e52784b39cc64be43aae56c301c603.dll

  • Size

    172KB

  • MD5

    dc085f30d8ce8abe5a597bbf185ace8c

  • SHA1

    679b6570847702331f3444f9ad93bc2e0361a6ed

  • SHA256

    417962beb3c20117a417c58c2f2840fb89e52784b39cc64be43aae56c301c603

  • SHA512

    4d0e97cdbefabc2c8c749f238ae4ab8fc619bd5bc7e76eabd33fca7d3529e99af62eff3b1e12e902380011bcb8a2d43d7a9566cc7c2b2dbe5449ec56d972185c

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\417962beb3c20117a417c58c2f2840fb89e52784b39cc64be43aae56c301c603.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2988
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\417962beb3c20117a417c58c2f2840fb89e52784b39cc64be43aae56c301c603.dll,#1
      2⤵
        PID:3128
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3128 -s 680
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3576

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/3128-115-0x0000000073890000-0x00000000738C0000-memory.dmp

            Filesize

            192KB

          • memory/3128-117-0x0000000004560000-0x0000000004583000-memory.dmp

            Filesize

            140KB