Analysis

  • max time kernel
    19s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    15/06/2021, 11:23

General

  • Target

    f1489e365479f0cd4e3c53293e120564493d9f397d55617f126c90e4b7953d70.dll

  • Size

    170KB

  • MD5

    a7db8f270437814506886d74f7863bba

  • SHA1

    4234e86361368f1a92a0216ccd975bcfdf381b3f

  • SHA256

    f1489e365479f0cd4e3c53293e120564493d9f397d55617f126c90e4b7953d70

  • SHA512

    2cdeadca572a27e5db3a4a2a769f2c5ae04a59af3b77a0d1d87ca37ef0bb0e31d088ae74c75945d03412a5ec3c41fd7f0bc4bc3b0f769b5ecc8f63011113540e

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\f1489e365479f0cd4e3c53293e120564493d9f397d55617f126c90e4b7953d70.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4084
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\f1489e365479f0cd4e3c53293e120564493d9f397d55617f126c90e4b7953d70.dll,#1
      2⤵
        PID:3964
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3964 -s 680
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1076

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

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          Downloads

          • memory/3964-115-0x00000000742E0000-0x0000000074310000-memory.dmp

            Filesize

            192KB

          • memory/3964-117-0x0000000002830000-0x0000000002836000-memory.dmp

            Filesize

            24KB