Analysis

  • max time kernel
    26s
  • max time network
    120s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    29-06-2021 02:56

General

  • Target

    7a06354eeb2c965f07b5bee2cb5f302256628a59b639d1740bc6e900c6bf4283.dll

  • Size

    162KB

  • MD5

    34fdc5830990c244c21ea9e99eb1738c

  • SHA1

    94031d108870b8aebf8379bacd6cf088c67ec5cc

  • SHA256

    7a06354eeb2c965f07b5bee2cb5f302256628a59b639d1740bc6e900c6bf4283

  • SHA512

    fcaacfecbd5d31dba780d5380078d131327b6810d6a148ff66c7b82792e099260f301538fa000c6a8b1e0e03623681c544bf9e383cf5d7083320a613e02f315d

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\7a06354eeb2c965f07b5bee2cb5f302256628a59b639d1740bc6e900c6bf4283.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:752
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\7a06354eeb2c965f07b5bee2cb5f302256628a59b639d1740bc6e900c6bf4283.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:1272

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1272-114-0x0000000000000000-mapping.dmp

  • memory/1272-115-0x0000000074440000-0x000000007446E000-memory.dmp

    Filesize

    184KB

  • memory/1272-117-0x0000000000510000-0x0000000000516000-memory.dmp

    Filesize

    24KB