Analysis

  • max time kernel
    19s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    15/06/2021, 11:11

General

  • Target

    4ab27050ae1fab3535c2bc9671532874b643f2f22ba7fa2ed2eca40d86c842e8.dll

  • Size

    170KB

  • MD5

    82a514b00e35e08e5a3217f360f65475

  • SHA1

    33d4af585293791e3c1d681d61db12a3d491dff5

  • SHA256

    4ab27050ae1fab3535c2bc9671532874b643f2f22ba7fa2ed2eca40d86c842e8

  • SHA512

    2d371db7d24f9d9dbfd407e388d2a42235473df53da4d50f80e108a3ab5d35dc9bc4643c90b2ba6b07c2e03ecd5fe163aa0eb3de2b29e9974977c8f8ed84998d

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\4ab27050ae1fab3535c2bc9671532874b643f2f22ba7fa2ed2eca40d86c842e8.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4024
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\4ab27050ae1fab3535c2bc9671532874b643f2f22ba7fa2ed2eca40d86c842e8.dll,#1
      2⤵
        PID:4004
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4004 -s 676
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3964

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/4004-115-0x0000000074480000-0x00000000744B0000-memory.dmp

            Filesize

            192KB

          • memory/4004-117-0x00000000032D0000-0x00000000032F3000-memory.dmp

            Filesize

            140KB