Analysis

  • max time kernel
    17s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    15/06/2021, 15:32

General

  • Target

    3e3cfac1f02a2749e0fdc12a7501dc58a6a9bb5f31b7cf30250b418800129696.dll

  • Size

    170KB

  • MD5

    cee70b961d78f3b252ee3ee6c3ab3586

  • SHA1

    95345f4c2c97ad5cc3fc735fc30bf747564db2b2

  • SHA256

    3e3cfac1f02a2749e0fdc12a7501dc58a6a9bb5f31b7cf30250b418800129696

  • SHA512

    993b4e3e3c161ece89aea0ee41127ac8bf8f195085a8f19eb7abcda13ae6309a2384fa0d7f33fee882a672ff0fcc4981f10a868fa1619fa1d68dab0a60833b16

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\3e3cfac1f02a2749e0fdc12a7501dc58a6a9bb5f31b7cf30250b418800129696.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:500
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\3e3cfac1f02a2749e0fdc12a7501dc58a6a9bb5f31b7cf30250b418800129696.dll,#1
      2⤵
        PID:3724
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3724 -s 676
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3756

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/3724-115-0x0000000074300000-0x0000000074330000-memory.dmp

            Filesize

            192KB

          • memory/3724-117-0x00000000004F0000-0x000000000063A000-memory.dmp

            Filesize

            1.3MB