Analysis

  • max time kernel
    19s
  • max time network
    126s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    22-06-2021 07:14

General

  • Target

    738e6046734ed85980c0c27ea6aee81113685fd0cabe37792db22fad1a3d2c87.dll

  • Size

    162KB

  • MD5

    becb4c59225014949f803e82b13507d5

  • SHA1

    d1d683529f3fc5d6492d6b59ad9049c1d7719c67

  • SHA256

    738e6046734ed85980c0c27ea6aee81113685fd0cabe37792db22fad1a3d2c87

  • SHA512

    d0c63b352bb11a037905dfc68164c4a61f5bc25cb7abb15b2ca8c9092401da0ec7369bc563cd0c45566c388b3af189e50e63baa8b7b8474755df034772a29b4b

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\738e6046734ed85980c0c27ea6aee81113685fd0cabe37792db22fad1a3d2c87.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3892
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\738e6046734ed85980c0c27ea6aee81113685fd0cabe37792db22fad1a3d2c87.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:1660

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1660-115-0x0000000073DE0000-0x0000000073E0E000-memory.dmp

    Filesize

    184KB

  • memory/1660-117-0x0000000004710000-0x0000000004716000-memory.dmp

    Filesize

    24KB