Analysis

  • max time kernel
    18s
  • max time network
    116s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    15/06/2021, 11:30

General

  • Target

    e205402bbd55f66af079b708d793bf2c6071dcd37c4ffdb938703e9940dc7e31.dll

  • Size

    170KB

  • MD5

    48e8bbc2078488ca35cc6638c343b9af

  • SHA1

    a98cd42f7b58a8b4d1c9c4c2bf793e52942e1eb6

  • SHA256

    e205402bbd55f66af079b708d793bf2c6071dcd37c4ffdb938703e9940dc7e31

  • SHA512

    027ca24fbf69e58ae95526723cecd36c7eda478d54365b327163d8e265e8ce6b34a7a36967c33f452f3c9620e18595e5085672dad36ee233d852d55340288153

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\e205402bbd55f66af079b708d793bf2c6071dcd37c4ffdb938703e9940dc7e31.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3244
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\e205402bbd55f66af079b708d793bf2c6071dcd37c4ffdb938703e9940dc7e31.dll,#1
      2⤵
        PID:2164
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2164 -s 684
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1532

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/2164-115-0x0000000073860000-0x0000000073890000-memory.dmp

            Filesize

            192KB

          • memory/2164-117-0x0000000000C60000-0x0000000000C66000-memory.dmp

            Filesize

            24KB