Analysis

  • max time kernel
    29s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    15/06/2021, 11:21

General

  • Target

    3413b5e172a92fdc7bb147910ec838b8586a41cfd112bedf6ad2900a4404cf04.dll

  • Size

    172KB

  • MD5

    7d13c430de795064ad2fe2fe1be341f9

  • SHA1

    ca85d86a8c58b69ed2a3428299f18935f26fa566

  • SHA256

    3413b5e172a92fdc7bb147910ec838b8586a41cfd112bedf6ad2900a4404cf04

  • SHA512

    38e6439c00cfc9dada3a669ba427b57e3ee36cda568c1f59bb0947c618396f9eeb2efa89403461bb4192717d901f5d042033a0ddabcd39f4c0759a3bc274475a

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\3413b5e172a92fdc7bb147910ec838b8586a41cfd112bedf6ad2900a4404cf04.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1404
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\3413b5e172a92fdc7bb147910ec838b8586a41cfd112bedf6ad2900a4404cf04.dll,#1
      2⤵
        PID:2496
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2496 -s 680
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2284

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/2496-115-0x0000000073990000-0x00000000739C0000-memory.dmp

            Filesize

            192KB

          • memory/2496-117-0x0000000000520000-0x000000000066A000-memory.dmp

            Filesize

            1.3MB