Analysis

  • max time kernel
    26s
  • max time network
    114s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    15/06/2021, 11:07

General

  • Target

    62b976ebd52e6cd914090ce21efcf6d0de79d52e5bf87eacf9e83da205e78d1b.dll

  • Size

    162KB

  • MD5

    ce6a6e11aac9c1f3a09a098cf0dec66b

  • SHA1

    b859b31b2719a91057d6e29f800d950563b1d400

  • SHA256

    62b976ebd52e6cd914090ce21efcf6d0de79d52e5bf87eacf9e83da205e78d1b

  • SHA512

    e0dfe134d9767b9a58335c81c8112c75b1c6a93f4fb745eb3f992efbcc4f0c5e8ac21211ca44fadac358e2f3ba19bd0205f2c87f7a3b65e8335c86ad630654c7

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\62b976ebd52e6cd914090ce21efcf6d0de79d52e5bf87eacf9e83da205e78d1b.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:660
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\62b976ebd52e6cd914090ce21efcf6d0de79d52e5bf87eacf9e83da205e78d1b.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:904

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/904-115-0x00000000735F0000-0x000000007361E000-memory.dmp

          Filesize

          184KB

        • memory/904-117-0x0000000003000000-0x000000000314A000-memory.dmp

          Filesize

          1.3MB