Analysis

  • max time kernel
    25s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    15/06/2021, 11:29

General

  • Target

    d631fcb9537b4fc2ffb91a820c52c7587b6a8ae2a461bdb47f05e3b5acff4213.dll

  • Size

    172KB

  • MD5

    d18c2664088853ec32cc083921c1c73e

  • SHA1

    15e3964379d3e175eb60012029915fc0531cd919

  • SHA256

    d631fcb9537b4fc2ffb91a820c52c7587b6a8ae2a461bdb47f05e3b5acff4213

  • SHA512

    41f7738fc755e78970c5a8935d84ac44cd5f2f1b7048e659624801cc925edd5b0f5b84ace2b7ad42ff24694ebedc01bba66102b47a1599b1f5e1b5323b7a8d4e

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\d631fcb9537b4fc2ffb91a820c52c7587b6a8ae2a461bdb47f05e3b5acff4213.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:804
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\d631fcb9537b4fc2ffb91a820c52c7587b6a8ae2a461bdb47f05e3b5acff4213.dll,#1
      2⤵
        PID:1500
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1500 -s 680
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2176

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1500-115-0x0000000074310000-0x0000000074340000-memory.dmp

            Filesize

            192KB

          • memory/1500-117-0x00000000029E0000-0x0000000002A03000-memory.dmp

            Filesize

            140KB