Analysis

  • max time kernel
    22s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    15/06/2021, 11:22

General

  • Target

    b2ad50150a5d6854ffe80630766f256512e331ca6df25f037b50369bb3c65e67.dll

  • Size

    172KB

  • MD5

    5c03f9aafb6fda5946f7b233e666b1a7

  • SHA1

    b0e65719f1afe34fdc855f95375db4d1535fb331

  • SHA256

    b2ad50150a5d6854ffe80630766f256512e331ca6df25f037b50369bb3c65e67

  • SHA512

    d980c738263f5ca7eea52cdd8cea933c11711777938236514075140514e5ebf1a2c6944d9e0ccd314a4c920aacf3a25663d1cbc2afb41623a9afc9d946163e29

Malware Config

Extracted

Family

dridex

Botnet

40112

C2

210.65.244.187:443

162.241.41.92:2303

46.231.204.10:8172

185.183.159.100:4125

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\b2ad50150a5d6854ffe80630766f256512e331ca6df25f037b50369bb3c65e67.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4652
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b2ad50150a5d6854ffe80630766f256512e331ca6df25f037b50369bb3c65e67.dll,#1
      2⤵
        PID:4692
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4692 -s 680
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4036

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/4692-115-0x0000000073C30000-0x0000000073C60000-memory.dmp

            Filesize

            192KB

          • memory/4692-117-0x0000000002B60000-0x0000000002B83000-memory.dmp

            Filesize

            140KB