Analysis

  • max time kernel
    17s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    15/06/2021, 15:41

General

  • Target

    f9718c3d766fd43c2cf8fa4dc3a15f00ea4ec9fb472af7b1d30ab3be39605ce9.dll

  • Size

    172KB

  • MD5

    3c3b9cbd229c7434bfcb93c8bec1f42d

  • SHA1

    0790efca5c56ca15416e0695cefe404ed72b1e9d

  • SHA256

    f9718c3d766fd43c2cf8fa4dc3a15f00ea4ec9fb472af7b1d30ab3be39605ce9

  • SHA512

    1a2abfe4797efc18ddcd258cdb5e1ae17e4297f908150452a4a1f75028d44e30d044efba57ef6bff7c3664492ba168ffb92508f6e1fb99beba4581c65e0095f4

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\f9718c3d766fd43c2cf8fa4dc3a15f00ea4ec9fb472af7b1d30ab3be39605ce9.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4068
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\f9718c3d766fd43c2cf8fa4dc3a15f00ea4ec9fb472af7b1d30ab3be39605ce9.dll,#1
      2⤵
        PID:3412
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3412 -s 692
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3860

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/3412-115-0x00000000755E0000-0x0000000075610000-memory.dmp

            Filesize

            192KB

          • memory/3412-117-0x00000000006B0000-0x00000000006B6000-memory.dmp

            Filesize

            24KB