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Analysis

  • max time kernel
    52s
  • max time network
    101s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/10/2024, 19:53

General

  • Target

    4af5ec8b347bb948d8a32db7aceb56d96e295a673ca5f13aaa0a6e4558ac46ac.dll

  • Size

    180KB

  • MD5

    aba3f1a29bdc0bb2471e3bbdbf04464a

  • SHA1

    9a770fb31fcc3a7d60bf41ca5316e784de8aa4dd

  • SHA256

    4af5ec8b347bb948d8a32db7aceb56d96e295a673ca5f13aaa0a6e4558ac46ac

  • SHA512

    369e25786976f3ccd678b0bce180e5b3b995151e783f3dd5c415c3c7b8b5f935a1c2720d3275bec3bf8b7c31a4e4a9a77fe907b0a067a3d517dac91af59408df

  • SSDEEP

    3072:x3U+o/fwAUfM8+NmXhjlAZ+SWlxT5H3zipQIoZeErkxUNBG0:ZUZYxfM8+YXfq+SOxTxjipQjzk3

Malware Config

Extracted

Family

dridex

Botnet

111

C2

94.126.8.2:443

81.2.235.131:1688

178.63.156.139:3388

rc4.plain
rc4.plain

Signatures

  • Dridex

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

  • Dridex Loader 2 IoCs

    Detects Dridex both x86 and x64 loader in memory.

  • 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\4af5ec8b347bb948d8a32db7aceb56d96e295a673ca5f13aaa0a6e4558ac46ac.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:732
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\4af5ec8b347bb948d8a32db7aceb56d96e295a673ca5f13aaa0a6e4558ac46ac.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3920

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3920-0-0x0000000075330000-0x000000007535E000-memory.dmp

    Filesize

    184KB

  • memory/3920-1-0x0000000000840000-0x0000000000846000-memory.dmp

    Filesize

    24KB

  • memory/3920-3-0x0000000000840000-0x0000000000846000-memory.dmp

    Filesize

    24KB

  • memory/3920-2-0x0000000075330000-0x000000007535E000-memory.dmp

    Filesize

    184KB