Analysis

  • max time kernel
    94s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/12/2024, 22:36

General

  • Target

    529a5bd3d20b261adf861d16181308f6ba1c78954a06ac81c03a14ca91b927dd.dll

  • Size

    468KB

  • MD5

    03899e6968b2d279f562f0d7de487146

  • SHA1

    a2deacb9d5f251d29d1978fb62f087898c33cfac

  • SHA256

    529a5bd3d20b261adf861d16181308f6ba1c78954a06ac81c03a14ca91b927dd

  • SHA512

    fed3faf810eb27f9a0c82fc32a850c7626a14d1d35ae13ce063ffe9bf54087ab594cf0a1f176e5def580c77bce047f55e15c08019fb029292fac3be9901885c6

  • SSDEEP

    6144:b0610FnNqVnt0Rt1CVlp0R5aMSw8EekUXnAwd37izAQqK/o2B6LjiReYiLNEU:o6MSw8EekuB37izvjI/qU

Malware Config

Extracted

Family

dridex

Botnet

22206

C2

120.50.40.185:443

139.59.14.223:8172

121.40.104.209:6602

139.162.113.169:593

rc4.plain
rc4.plain

Signatures

  • Dridex

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

  • Dridex family
  • 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\529a5bd3d20b261adf861d16181308f6ba1c78954a06ac81c03a14ca91b927dd.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1600
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\529a5bd3d20b261adf861d16181308f6ba1c78954a06ac81c03a14ca91b927dd.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1188
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1188 -s 644
        3⤵
        • Program crash
        PID:4276
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1188 -ip 1188
    1⤵
      PID:1952

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1188-0-0x0000000000D30000-0x0000000000D36000-memory.dmp

      Filesize

      24KB

    • memory/1188-1-0x00000000751B0000-0x0000000075226000-memory.dmp

      Filesize

      472KB

    • memory/1188-3-0x0000000000D30000-0x0000000000D36000-memory.dmp

      Filesize

      24KB