Analysis

  • max time kernel
    25s
  • max time network
    119s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    15/06/2021, 11:28

General

  • Target

    af66c1a9887b18abe52b6ee9a3ddd3300344bc41fafa3c4b98f564ed7fbfad37.dll

  • Size

    172KB

  • MD5

    c0af8b01c67c429945f882c049399ad2

  • SHA1

    78fd185fbeb5edab32d2ab710023972626baee82

  • SHA256

    af66c1a9887b18abe52b6ee9a3ddd3300344bc41fafa3c4b98f564ed7fbfad37

  • SHA512

    aaf826bebe12bb9da0f6371272e1b69d4e3bb7f611a1a4c4f7f8836a9eb3caf34ffbac2e93bb3db79d4ac08b34f16d80e34240e5dd28d27df8c6de17511bc2e2

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\af66c1a9887b18abe52b6ee9a3ddd3300344bc41fafa3c4b98f564ed7fbfad37.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:472
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\af66c1a9887b18abe52b6ee9a3ddd3300344bc41fafa3c4b98f564ed7fbfad37.dll,#1
      2⤵
        PID:1564
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1564 -s 680
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:504

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1564-115-0x0000000073F10000-0x0000000073F40000-memory.dmp

            Filesize

            192KB

          • memory/1564-117-0x00000000023F0000-0x00000000023F6000-memory.dmp

            Filesize

            24KB