Analysis

  • max time kernel
    20s
  • max time network
    119s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    15/06/2021, 12:06

General

  • Target

    b6536dcae6558e259f0fea872651f4f1b5e210c4fe34b3b22a92348a59eadf65.dll

  • Size

    172KB

  • MD5

    aee1b005a181191cb5032a1a3f17e6f8

  • SHA1

    6f91a8356cbe50ea5edd4cb9b13dd2ffe94336d2

  • SHA256

    b6536dcae6558e259f0fea872651f4f1b5e210c4fe34b3b22a92348a59eadf65

  • SHA512

    f83692e3792e31315a524c468d731b30a0211f3d2dab636c703b4ce994b7056265f7a3fa73165e234426d609fc4b07b6419c21bb5288b5a0aea5e9bdcee4d198

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\b6536dcae6558e259f0fea872651f4f1b5e210c4fe34b3b22a92348a59eadf65.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2232
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b6536dcae6558e259f0fea872651f4f1b5e210c4fe34b3b22a92348a59eadf65.dll,#1
      2⤵
        PID:1944
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1944 -s 676
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3516

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1944-115-0x0000000073660000-0x0000000073690000-memory.dmp

            Filesize

            192KB

          • memory/1944-117-0x0000000003210000-0x0000000003216000-memory.dmp

            Filesize

            24KB