Analysis

  • max time kernel
    19s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    29-06-2021 01:54

General

  • Target

    9dbb6f27ed386e11c508cac2e98a06012041567dd659ac5759f1667b220d3c50.dll

  • Size

    162KB

  • MD5

    a236b8b8d4c57ba595434db900b76847

  • SHA1

    9f128718d5e31fb99773190fdbf800ac54d28bf9

  • SHA256

    9dbb6f27ed386e11c508cac2e98a06012041567dd659ac5759f1667b220d3c50

  • SHA512

    1e826f5839b218433addbcce54eade2993162a6e55d9631507d946e2e199c3bd360854864b49eaffa4e68707a901bfbf9b6239401f22011a0174d6b1e0a47f7a

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\9dbb6f27ed386e11c508cac2e98a06012041567dd659ac5759f1667b220d3c50.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4064
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\9dbb6f27ed386e11c508cac2e98a06012041567dd659ac5759f1667b220d3c50.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:364

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/364-114-0x0000000000000000-mapping.dmp

  • memory/364-115-0x00000000755E0000-0x000000007560E000-memory.dmp

    Filesize

    184KB

  • memory/364-117-0x0000000000840000-0x0000000000846000-memory.dmp

    Filesize

    24KB