Analysis

  • max time kernel
    18s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    23-06-2021 21:25

General

  • Target

    6f935a7d95047f8b26e5db15868c0b859bbaebcdec77d823e3d9afd68b20e707.dll

  • Size

    160KB

  • MD5

    89be669591bed102ace7d80fa5a12918

  • SHA1

    c77dc624a46958843f6b8ffc830e5ae8e62518f7

  • SHA256

    6f935a7d95047f8b26e5db15868c0b859bbaebcdec77d823e3d9afd68b20e707

  • SHA512

    19633d6209aa66677f5621b347420f39e2fdfff2d472d3764da0046a3bba199486237a4ae9742584f181ee18a97df1b8ec130b1d620a30441fee5b7cdc969a91

Malware Config

Extracted

Family

dridex

Botnet

40111

C2

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

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\6f935a7d95047f8b26e5db15868c0b859bbaebcdec77d823e3d9afd68b20e707.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:508
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\6f935a7d95047f8b26e5db15868c0b859bbaebcdec77d823e3d9afd68b20e707.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:3160

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3160-114-0x0000000000000000-mapping.dmp

  • memory/3160-115-0x00000000739B0000-0x00000000739DE000-memory.dmp

    Filesize

    184KB

  • memory/3160-117-0x0000000000820000-0x0000000000826000-memory.dmp

    Filesize

    24KB