Analysis

  • max time kernel
    119s
  • max time network
    118s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    21-04-2021 18:09

General

  • Target

    ad44a806f05c40fc6033bcd5b82852573c6bc8cd5c176eaf06ed30abf76b87fa.dll

  • Size

    157KB

  • MD5

    67c2a7c77bbe40b2727f9f161aa41ed9

  • SHA1

    c8f3754bd8676f6b1364ffb56d16cb948f0888e8

  • SHA256

    ad44a806f05c40fc6033bcd5b82852573c6bc8cd5c176eaf06ed30abf76b87fa

  • SHA512

    be4ae6d5064c42a1059a885f5f888e323c91ba09024f35963ba6401a4f18477f6ddfc805cc8a188a29e6ad9f643e151166bc9125a3e4dd0ffef72e5263a0a03a

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\ad44a806f05c40fc6033bcd5b82852573c6bc8cd5c176eaf06ed30abf76b87fa.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3768
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\ad44a806f05c40fc6033bcd5b82852573c6bc8cd5c176eaf06ed30abf76b87fa.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:2204

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2204-114-0x0000000000000000-mapping.dmp
  • memory/2204-115-0x0000000073D70000-0x0000000073D9D000-memory.dmp
    Filesize

    180KB

  • memory/2204-117-0x0000000000780000-0x0000000000786000-memory.dmp
    Filesize

    24KB