Analysis

  • max time kernel
    141s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    04-03-2024 03:49

General

  • Target

    b1250f72b0216c1e93383a733f5821e5.dll

  • Size

    188KB

  • MD5

    b1250f72b0216c1e93383a733f5821e5

  • SHA1

    45ad2c1c0122f14a55b2dd3e7a800b4f7cf96c06

  • SHA256

    9523b7f2526141e1dcb8695f99d4b3b5503659d7c011d5ba87d9a7e944ba5145

  • SHA512

    8cff9951ece72b127f43a8feb9a1b4b8160933bd7d908c945a4d57e8b5b59ca978340745216af680c928451cd034072ac820fdab2d74a7b9557d8fa26a7cb96e

  • SSDEEP

    3072:lH0uyjZqEpAK+Gf78TBdrXkTM5vhRg9Esf0DwvtyMpVnpA+z6tX8sxKViWZ7dU:lUua/Pv7YNhRIEZDeXVpAxtMsxK

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 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\b1250f72b0216c1e93383a733f5821e5.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2184
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b1250f72b0216c1e93383a733f5821e5.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2216
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2216 -s 308
        3⤵
        • Program crash
        PID:2492

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2216-0-0x0000000074B20000-0x0000000074B50000-memory.dmp

    Filesize

    192KB

  • memory/2216-1-0x0000000000120000-0x0000000000126000-memory.dmp

    Filesize

    24KB