Analysis

  • max time kernel
    17s
  • max time network
    79s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    15/06/2021, 15:44

General

  • Target

    8b868eaaad8ebaa55ef46f027142673ef3ffba13fb3f29acb2f1788937f0a2b2.dll

  • Size

    172KB

  • MD5

    3071eae543a1ef778469cc853279cb78

  • SHA1

    c5061d66e1e0385021be3272370b0b9c60e35d29

  • SHA256

    8b868eaaad8ebaa55ef46f027142673ef3ffba13fb3f29acb2f1788937f0a2b2

  • SHA512

    153b80e876e6357e50b26b42d231ee5c5b95c8ac0e5c89b41911ea42e7281e5498388793c78a00db38d399c31732f4ec37ee2ea7caea4458f1ad6613fbbe6ccc

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\8b868eaaad8ebaa55ef46f027142673ef3ffba13fb3f29acb2f1788937f0a2b2.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4040
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\8b868eaaad8ebaa55ef46f027142673ef3ffba13fb3f29acb2f1788937f0a2b2.dll,#1
      2⤵
        PID:792
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 792 -s 676
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2884

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/792-115-0x0000000073F20000-0x0000000073F50000-memory.dmp

            Filesize

            192KB

          • memory/792-117-0x0000000000E90000-0x0000000000E96000-memory.dmp

            Filesize

            24KB