Analysis

  • max time kernel
    43s
  • max time network
    51s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    21-04-2021 20:03

General

  • Target

    5ff6540a6554ef41ae62f66549f228b81e9845282246bec682efb438caa74363.dll

  • Size

    157KB

  • MD5

    ea0ae8a9a61fcfc288512b5817a22e19

  • SHA1

    9f9991d8e7bc955bbe31feca02968993f4ddfa50

  • SHA256

    5ff6540a6554ef41ae62f66549f228b81e9845282246bec682efb438caa74363

  • SHA512

    ee2aabe36a499b43e4425faafc0124903890fe058c9814f79c2f8e1fc5657de28b59466e72babeff25d7de6c653be674c2a088980ec0a5cde5013627d23ecef9

Malware Config

Extracted

Family

dridex

Botnet

40112

C2

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

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\5ff6540a6554ef41ae62f66549f228b81e9845282246bec682efb438caa74363.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1824
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\5ff6540a6554ef41ae62f66549f228b81e9845282246bec682efb438caa74363.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:1864

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

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Downloads

  • memory/1864-114-0x0000000000000000-mapping.dmp
  • memory/1864-115-0x0000000073860000-0x000000007388D000-memory.dmp
    Filesize

    180KB

  • memory/1864-117-0x0000000000880000-0x0000000000886000-memory.dmp
    Filesize

    24KB