Analysis

  • max time kernel
    30s
  • max time network
    34s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-08-2024 23:08

Errors

Reason
Machine shutdown

General

  • Target

    e327433524fcff26316780131386fec0N.dll

  • Size

    184KB

  • MD5

    e327433524fcff26316780131386fec0

  • SHA1

    f7d1173bbcfc2001234a914759cf1b844f4b09de

  • SHA256

    ec817db1f28abf2bf22b31b974d40d83952e3093885eb92e780482917364023e

  • SHA512

    9fae5b9cd3322f3827a79a07b13b9d409837ebe80e693f35a99668f355bb9543b513146ceaa77bc793cbb32fc79a07440a0e1a9a8ec5d2f040f2646ac700bb25

  • SSDEEP

    3072:liLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoalzoxss7:liLVCIT4WK2z1W+CUHZj4Skq/eaowoC

Malware Config

Extracted

Family

dridex

Botnet

22202

C2

80.241.218.90:443

103.161.172.109:13786

87.98.128.76:5723

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
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\e327433524fcff26316780131386fec0N.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:400
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\e327433524fcff26316780131386fec0N.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:896
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 896 -s 616
        3⤵
        • Program crash
        PID:4512
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 896 -ip 896
    1⤵
      PID:2732

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/896-0-0x0000000000F00000-0x0000000000F06000-memory.dmp

      Filesize

      24KB

    • memory/896-1-0x0000000075760000-0x000000007578F000-memory.dmp

      Filesize

      188KB

    • memory/896-3-0x0000000000F00000-0x0000000000F06000-memory.dmp

      Filesize

      24KB