Analysis

  • max time kernel
    25s
  • max time network
    150s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    11-06-2021 03:21

General

  • Target

    e65de1b1e051537f9e9e27f494bef181b68d8cb8a332c1d8ce58f282304d3e7e.dll

  • Size

    174KB

  • MD5

    c5da98fe61e6e761bab6fa4bac264ced

  • SHA1

    e1bafe69f9659bc140d65d52937a46ccfbc13bf3

  • SHA256

    e65de1b1e051537f9e9e27f494bef181b68d8cb8a332c1d8ce58f282304d3e7e

  • SHA512

    374a4811df43e99716dbe646a17cfceba1698064803edbd29850adfc57f19d23ccf26bf2651a5ac921a5baf8bda275fbd27782c2e944c9d7549a8d7efff32f22

Malware Config

Extracted

Family

dridex

Botnet

22201

C2

178.128.220.64:30333

45.79.91.89:9987

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\e65de1b1e051537f9e9e27f494bef181b68d8cb8a332c1d8ce58f282304d3e7e.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:708
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\e65de1b1e051537f9e9e27f494bef181b68d8cb8a332c1d8ce58f282304d3e7e.dll,#1
      2⤵
        PID:1760
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1760 -s 656
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:512

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1760-114-0x0000000000000000-mapping.dmp
    • memory/1760-115-0x0000000073C70000-0x0000000073CA0000-memory.dmp
      Filesize

      192KB

    • memory/1760-117-0x0000000000700000-0x0000000000706000-memory.dmp
      Filesize

      24KB