Analysis

  • max time kernel
    27s
  • max time network
    113s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    15/06/2021, 12:07

General

  • Target

    54040b2f167bafb132f2832c1768e41168f9a80edeaf23c7014aa89c13f0ab88.dll

  • Size

    162KB

  • MD5

    fab3c402eb0e989f923441feea78e448

  • SHA1

    bfbb1cbc19cabdaa9d984476d02a2436e14950fc

  • SHA256

    54040b2f167bafb132f2832c1768e41168f9a80edeaf23c7014aa89c13f0ab88

  • SHA512

    33b965e0f29c98a639a010756959acc6d1fa400972eb9c412056eb6b4d9e8ab5aabf85a7ce63778413d5bbaae69cd266c311e6e957b601862aadf6df01ffd8b3

Malware Config

Extracted

Family

dridex

Botnet

40112

C2

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

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.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\54040b2f167bafb132f2832c1768e41168f9a80edeaf23c7014aa89c13f0ab88.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1116
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\54040b2f167bafb132f2832c1768e41168f9a80edeaf23c7014aa89c13f0ab88.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:2008

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2008-115-0x0000000073F50000-0x0000000073F7E000-memory.dmp

          Filesize

          184KB

        • memory/2008-117-0x0000000000710000-0x00000000007BE000-memory.dmp

          Filesize

          696KB