Analysis

  • max time kernel
    26s
  • max time network
    80s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    29-06-2021 02:20

General

  • Target

    39338836902d9372cced29e225581f0a6d296beffb91f6713ef12d84269412c2.dll

  • Size

    162KB

  • MD5

    709eaece287260685af34096bba105ca

  • SHA1

    7b9d250b5e1476fe580efb5c65859f333fbdc65f

  • SHA256

    39338836902d9372cced29e225581f0a6d296beffb91f6713ef12d84269412c2

  • SHA512

    f8e7adae86ce163e92d21410ab9d26691d8d6b8dccb8d69245a5074bff7d28798b769515cb9380f4c33ce7895bc80f68d2fba818036a1d37e4e4133eaf548b8f

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\39338836902d9372cced29e225581f0a6d296beffb91f6713ef12d84269412c2.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:808
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\39338836902d9372cced29e225581f0a6d296beffb91f6713ef12d84269412c2.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:1516

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1516-114-0x0000000000000000-mapping.dmp

  • memory/1516-115-0x00000000738F0000-0x000000007391E000-memory.dmp

    Filesize

    184KB

  • memory/1516-117-0x00000000027F0000-0x00000000027F6000-memory.dmp

    Filesize

    24KB