Analysis

  • max time kernel
    18s
  • max time network
    119s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    22-06-2021 05:09

General

  • Target

    5904fc81263a103aeb57c300d7809684a748e0ecc41b05266b0709d6b99156c9.dll

  • Size

    162KB

  • MD5

    53558469838f69ada5da9bb7b8a93ead

  • SHA1

    d08115a45648d25d9a79cf56ac48e7dd9747b1d8

  • SHA256

    5904fc81263a103aeb57c300d7809684a748e0ecc41b05266b0709d6b99156c9

  • SHA512

    424de9078695734bb2858989b9cfea43c2fc44d405c2e18b7ea06f5c410bcfaf06f484872fcfb2d1472c651464b89b4619407be6abbae877789fd485b81a3929

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\5904fc81263a103aeb57c300d7809684a748e0ecc41b05266b0709d6b99156c9.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:512
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\5904fc81263a103aeb57c300d7809684a748e0ecc41b05266b0709d6b99156c9.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:656

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/656-115-0x0000000073A90000-0x0000000073ABE000-memory.dmp

    Filesize

    184KB

  • memory/656-117-0x0000000003440000-0x0000000003446000-memory.dmp

    Filesize

    24KB