Analysis

  • max time kernel
    27s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    15/06/2021, 11:21

General

  • Target

    67c37ffac8d062f0728799e9660dd3c8ad255994baf1cdec969d179a3eac85f3.dll

  • Size

    170KB

  • MD5

    6967591fcd139b186d74cf4cc69ca415

  • SHA1

    628335c3204d92111a50425040b4a84c49be4a4b

  • SHA256

    67c37ffac8d062f0728799e9660dd3c8ad255994baf1cdec969d179a3eac85f3

  • SHA512

    464d9f282a16d1969f828e24089acff34f20d50cc51b45062e0187637ebd612d424dc8071e99169b7542cdd58b0ceb499bec5e9e313a8227c134920442b9f324

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\67c37ffac8d062f0728799e9660dd3c8ad255994baf1cdec969d179a3eac85f3.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3164
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\67c37ffac8d062f0728799e9660dd3c8ad255994baf1cdec969d179a3eac85f3.dll,#1
      2⤵
        PID:1124
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1124 -s 684
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2176

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1124-115-0x0000000074310000-0x0000000074340000-memory.dmp

            Filesize

            192KB

          • memory/1124-117-0x0000000000870000-0x000000000091E000-memory.dmp

            Filesize

            696KB