Analysis

  • max time kernel
    142s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    07/01/2024, 19:37

General

  • Target

    4985b594ad312f51603493649388ab25.dll

  • Size

    188KB

  • MD5

    4985b594ad312f51603493649388ab25

  • SHA1

    ef355381bfe4b5d1d2972f505f4eae1cab2aafe4

  • SHA256

    89963cbea00dd448757c1f80e1f264f26becbb03c6830708bc6bb839b01c1df2

  • SHA512

    18c96b693c90ae1aad40c376ae71cbf9f8855f97b9bffd2210ba2b78768774ba6a0549f0e76a625e402a15393718d275430943471fe47380775f0a9a3f5aa9d9

  • SSDEEP

    3072:DH0uyjZqEpAK+Gf78TBdrXkTM5vhRg9Esf0DwvtyMpVnpA+z6tX8sxKViWt7dU:DUua/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\4985b594ad312f51603493649388ab25.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2660
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\4985b594ad312f51603493649388ab25.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2956
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2956 -s 300
        3⤵
        • Program crash
        PID:3036

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2956-2-0x0000000000140000-0x0000000000146000-memory.dmp

          Filesize

          24KB

        • memory/2956-0-0x0000000074DA0000-0x0000000074DD0000-memory.dmp

          Filesize

          192KB