Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-03-2024 08:24

General

  • Target

    e1383f92190a9d93ffcf963d1e9fb65c.dll

  • Size

    188KB

  • MD5

    e1383f92190a9d93ffcf963d1e9fb65c

  • SHA1

    edae0ce80581e96e0bb34d2a535cb620dc26bfcc

  • SHA256

    807d7db2248a4a6cd86a680c09328dc67d1cc5a71e919685071d7e3bda77854a

  • SHA512

    1d2c1fc07ad46a4034dd7c2b057b940eeb2e2980dc2aad4716c470aef0b012fbb54bd0bf9117ff30aa483fe5f83c24841dbcfff1bb090c4e5f627c77a155c81e

  • SSDEEP

    3072:wA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAolo:wzIqATVfQeV2FZalKq6jtGJWuTmd

Malware Config

Extracted

Family

dridex

Botnet

22201

C2

103.82.248.59:443

54.39.98.141:6602

103.109.247.8:10443

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.

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\e1383f92190a9d93ffcf963d1e9fb65c.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1172
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\e1383f92190a9d93ffcf963d1e9fb65c.dll,#1
      2⤵
        PID:4792
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4792 -s 688
          3⤵
          • Program crash
          PID:4884
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4792 -ip 4792
      1⤵
        PID:3212

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/4792-0-0x0000000075420000-0x0000000075450000-memory.dmp
        Filesize

        192KB

      • memory/4792-1-0x0000000000DF0000-0x0000000000DF6000-memory.dmp
        Filesize

        24KB