Analysis

  • max time kernel
    17s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    15/06/2021, 15:25

General

  • Target

    6b03dabe58aa643e74919d07dee8e05fa2d66d3921bd322aca1e69faab68ef3c.dll

  • Size

    172KB

  • MD5

    9753a540acb7024c4ed4e65d022dfa5e

  • SHA1

    98a200f7f19a8d71d199d9338e872a1aae9252b1

  • SHA256

    6b03dabe58aa643e74919d07dee8e05fa2d66d3921bd322aca1e69faab68ef3c

  • SHA512

    aae402e191c308d142db1a86c3422b2f54376cd9008937d4de95d49ae1e9b2e3c4655589675e9896c68df20be2fc1ac06c57f98d5b852a69d21d9291c124977a

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\6b03dabe58aa643e74919d07dee8e05fa2d66d3921bd322aca1e69faab68ef3c.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4036
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\6b03dabe58aa643e74919d07dee8e05fa2d66d3921bd322aca1e69faab68ef3c.dll,#1
      2⤵
        PID:3552
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3552 -s 680
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:184

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

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          Downloads

          • memory/3552-115-0x0000000073F20000-0x0000000073F50000-memory.dmp

            Filesize

            192KB

          • memory/3552-117-0x0000000000C20000-0x0000000000C26000-memory.dmp

            Filesize

            24KB