Analysis

  • max time kernel
    25s
  • max time network
    119s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    15/06/2021, 15:25

General

  • Target

    bd74f32bbc991f8d39dcb03f768dee82940ac6502dfb84986c1022077ad5c80f.dll

  • Size

    170KB

  • MD5

    f91354e73ce8039b3be0763a249f4f9c

  • SHA1

    b11979516aae712a7542428cb32f601cebe34c8f

  • SHA256

    bd74f32bbc991f8d39dcb03f768dee82940ac6502dfb84986c1022077ad5c80f

  • SHA512

    022b73a04134e91a7459df55c1f14fa04e5ecb62cb65d1b01096b19893471f1541131e45fe676d4769f9a511c150b352596fb1c942babc6fe4421c63819ac476

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\bd74f32bbc991f8d39dcb03f768dee82940ac6502dfb84986c1022077ad5c80f.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4064
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\bd74f32bbc991f8d39dcb03f768dee82940ac6502dfb84986c1022077ad5c80f.dll,#1
      2⤵
        PID:508
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 508 -s 680
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1812

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/508-115-0x0000000073F20000-0x0000000073F50000-memory.dmp

            Filesize

            192KB

          • memory/508-117-0x0000000000DF0000-0x0000000000DF6000-memory.dmp

            Filesize

            24KB