Analysis

  • max time kernel
    26s
  • max time network
    119s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    29-06-2021 05:12

General

  • Target

    8412b20e93cd93879e3c76c4724a2eba35d785a5a6fe57202fa55a22bc042883.dll

  • Size

    162KB

  • MD5

    66c90f49e8201da36d7e70bf5638ded6

  • SHA1

    484fbd4b169ff21a591ec7810ab0ea8506363818

  • SHA256

    8412b20e93cd93879e3c76c4724a2eba35d785a5a6fe57202fa55a22bc042883

  • SHA512

    324736f48482aa82dda9a966edeb4e295f549bd73e190351e96e8ff941e726c5cc2708d4577a7b230a9e501c8875052afb8929eea81dbc51d6fe7495d60be610

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\8412b20e93cd93879e3c76c4724a2eba35d785a5a6fe57202fa55a22bc042883.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:632
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\8412b20e93cd93879e3c76c4724a2eba35d785a5a6fe57202fa55a22bc042883.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:1180

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1180-114-0x0000000000000000-mapping.dmp

  • memory/1180-115-0x0000000073FB0000-0x0000000073FDE000-memory.dmp

    Filesize

    184KB

  • memory/1180-117-0x0000000002630000-0x0000000002636000-memory.dmp

    Filesize

    24KB