Analysis

  • max time kernel
    143s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-05-2024 17:28

General

  • Target

    h5xfxt5.zip.dll

  • Size

    664KB

  • MD5

    5f2aa45741d8c9e211d002e0e7d9e343

  • SHA1

    73d05423a833c65dcdeb30ec11f881b6761e2770

  • SHA256

    a38c9e0bb4e5fb222312acf0378ab65be9292c4c80e0036a0782e952da3d341c

  • SHA512

    f90c8270f6e2e1f741c7f8a1481680f38b1b757714bdfb99a3165ec5bfcb219bb4fc11ce4ae63c92e712894cb5de5d78f61de45ffac765030facd7fad2ef9c0a

  • SSDEEP

    12288:l/0Qzqf0e3i482M+6TFKywVt6PbEYU0eyJTT/Mu9oV01u0oaEP:F0zh31n6TFKywvCbEOxDMu9oyUaEP

Malware Config

Extracted

Family

dridex

Botnet

10222

C2

174.128.245.202:443

51.83.3.52:13786

69.64.50.41:6602

rc4.plain
rc4.plain

Signatures

  • Dridex

    Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.

  • Blocklisted process makes network request 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • 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\h5xfxt5.zip.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1748
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\h5xfxt5.zip.dll,#1
      2⤵
      • Blocklisted process makes network request
      • Checks whether UAC is enabled
      PID:916

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/916-1-0x0000000002B40000-0x0000000002C7C000-memory.dmp

    Filesize

    1.2MB

  • memory/916-2-0x0000000002B40000-0x0000000002C7C000-memory.dmp

    Filesize

    1.2MB

  • memory/916-3-0x0000000002B40000-0x0000000002C7C000-memory.dmp

    Filesize

    1.2MB

  • memory/916-6-0x0000000002B40000-0x0000000002C7C000-memory.dmp

    Filesize

    1.2MB

  • memory/916-5-0x0000000002BE2000-0x0000000002BE8000-memory.dmp

    Filesize

    24KB

  • memory/916-7-0x0000000002B40000-0x0000000002C7C000-memory.dmp

    Filesize

    1.2MB

  • memory/916-8-0x0000000002B40000-0x0000000002C7C000-memory.dmp

    Filesize

    1.2MB