Analysis

  • max time kernel
    24s
  • max time network
    115s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    15/06/2021, 11:22

General

  • Target

    e48d48d9b94b21c996dd5b9b6bed1aab9914c24115f4c09bf5f6d5d3afe78d04.dll

  • Size

    172KB

  • MD5

    51d235c9d408f8f1cbcf72d540f8df1e

  • SHA1

    96ed397d5e3bde2af46971b51ee24187dae8f632

  • SHA256

    e48d48d9b94b21c996dd5b9b6bed1aab9914c24115f4c09bf5f6d5d3afe78d04

  • SHA512

    9df037241fe703c61c250449f758d67312472ca22f7ebff88deedd6756d19fcd7b7712fb41a5d549e2a6f36e5553b3ffaecf1163f27830e4dc9127ca5c27fe64

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\e48d48d9b94b21c996dd5b9b6bed1aab9914c24115f4c09bf5f6d5d3afe78d04.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:804
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\e48d48d9b94b21c996dd5b9b6bed1aab9914c24115f4c09bf5f6d5d3afe78d04.dll,#1
      2⤵
        PID:1288
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1288 -s 680
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:192

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1288-115-0x0000000073ED0000-0x0000000073F00000-memory.dmp

            Filesize

            192KB

          • memory/1288-117-0x0000000003370000-0x0000000003376000-memory.dmp

            Filesize

            24KB