Analysis

  • max time kernel
    17s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    15/06/2021, 15:34

General

  • Target

    25e609eb60b0da396787c1ef790e8edf0f41bebb408faa9901573f1313252e81.dll

  • Size

    172KB

  • MD5

    3983670852fa10c8d0bffce8fd5dfee9

  • SHA1

    608600d51bfaa0b66227e1792e9c20e227a15283

  • SHA256

    25e609eb60b0da396787c1ef790e8edf0f41bebb408faa9901573f1313252e81

  • SHA512

    1acc2b7d51fa0313f2515079f1b60e80d33196492ac6c3b11277f10e9664f7ed51d471d780a85d89e70a3cbb86e40ebd3d92c8ff361a15014e79b6e745b13f12

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\25e609eb60b0da396787c1ef790e8edf0f41bebb408faa9901573f1313252e81.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3172
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\25e609eb60b0da396787c1ef790e8edf0f41bebb408faa9901573f1313252e81.dll,#1
      2⤵
        PID:3048
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3048 -s 680
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2808

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/3048-115-0x00000000739D0000-0x0000000073A00000-memory.dmp

            Filesize

            192KB

          • memory/3048-117-0x00000000036B0000-0x00000000036B6000-memory.dmp

            Filesize

            24KB