Analysis

  • max time kernel
    24s
  • max time network
    114s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    15/06/2021, 15:27

General

  • Target

    2a760c8522ca2dd2a7017b0308d4dc2d4876728a66fa44674304f06c4741dd82.dll

  • Size

    170KB

  • MD5

    54a314d2a89d0a3127085b402db18b30

  • SHA1

    98c259a38b698b9923481ced596441faa66ac1c7

  • SHA256

    2a760c8522ca2dd2a7017b0308d4dc2d4876728a66fa44674304f06c4741dd82

  • SHA512

    76fa850776a78dd3677324e5a705cf1396a95a4d595ae00dccea04e0a53d3e749e73243541b1ebd51bddca7b79bc677f066a23a9c342edbb44ad75e577dc100f

Malware Config

Extracted

Family

dridex

Botnet

40112

C2

128.199.200.38:443

192.163.233.216:6601

43.229.206.244:4125

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\2a760c8522ca2dd2a7017b0308d4dc2d4876728a66fa44674304f06c4741dd82.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1040
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\2a760c8522ca2dd2a7017b0308d4dc2d4876728a66fa44674304f06c4741dd82.dll,#1
      2⤵
        PID:1584
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1584 -s 680
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2856

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1584-115-0x0000000073F50000-0x0000000073F80000-memory.dmp

            Filesize

            192KB

          • memory/1584-117-0x0000000004A80000-0x0000000004AA3000-memory.dmp

            Filesize

            140KB