Analysis

  • max time kernel
    17s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    15/06/2021, 15:33

General

  • Target

    1f357698e486a704227bdf56c5ec12e3be1f41cef4ce0a22ddf3c81aee64ae55.dll

  • Size

    172KB

  • MD5

    9c37539921a60ae9ec07ecdf9dcd7c4a

  • SHA1

    d2042092c4d3ffe72c701832001e5b76dfe321a5

  • SHA256

    1f357698e486a704227bdf56c5ec12e3be1f41cef4ce0a22ddf3c81aee64ae55

  • SHA512

    3201f34d96627e7d25d11727ea72d98fb989df2858cb40749eb839f643b8442d8b69fcae2d39c7b31280c731d90d302f2d1b710704cbed0d6143ded26f593ff2

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\1f357698e486a704227bdf56c5ec12e3be1f41cef4ce0a22ddf3c81aee64ae55.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4036
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\1f357698e486a704227bdf56c5ec12e3be1f41cef4ce0a22ddf3c81aee64ae55.dll,#1
      2⤵
        PID:3916
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3916 -s 684
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3040

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/3916-115-0x0000000073F20000-0x0000000073F50000-memory.dmp

            Filesize

            192KB

          • memory/3916-117-0x0000000002F10000-0x0000000002F16000-memory.dmp

            Filesize

            24KB