Analysis

  • max time kernel
    22s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    15/06/2021, 11:10

General

  • Target

    e2485bfa87db7ba5b26e4e7344af6dbe296b18310f077399537444f39bc144f6.dll

  • Size

    172KB

  • MD5

    185bd9a9420d8a6489d1cebc0f744ee3

  • SHA1

    4f6845cf47db0ea6cf63050239b6af6912a9eb3d

  • SHA256

    e2485bfa87db7ba5b26e4e7344af6dbe296b18310f077399537444f39bc144f6

  • SHA512

    815fad3147ace06c2cb5800a17afe8c64c220c4684c85fa3443266aca132d3535356cd70c6f7a46b26d74ec1205407241b8f50186cac6daf76f612d22ffad817

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\e2485bfa87db7ba5b26e4e7344af6dbe296b18310f077399537444f39bc144f6.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:408
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\e2485bfa87db7ba5b26e4e7344af6dbe296b18310f077399537444f39bc144f6.dll,#1
      2⤵
        PID:3936
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3936 -s 676
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:192

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/3936-115-0x0000000073990000-0x00000000739C0000-memory.dmp

            Filesize

            192KB

          • memory/3936-117-0x0000000000D90000-0x0000000000D96000-memory.dmp

            Filesize

            24KB