Analysis

  • max time kernel
    150s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    20-07-2024 04:07

General

  • Target

    5ef83be20dec148608f04e592889c937_JaffaCakes118.exe

  • Size

    705KB

  • MD5

    5ef83be20dec148608f04e592889c937

  • SHA1

    7c33498d44a8f6224c3431938e22c21d7f63f8a6

  • SHA256

    94a271d8a6c8af932113c56d86e76657e3a7c90a8d2876c093baba1e9ae3c0f4

  • SHA512

    9b9232c7258f6f035d0b068f2c3a6f30dd3d03ce7e66d2ad90c20244c4266648b3ec7f39bf7e0fe359aeaa49131135e5825ad3ebc2bca7e27e4b22657b2f50e1

  • SSDEEP

    12288:no7YNQG9BeW8/LViyIakQz15bbPgsGMR4GewG6jRydmKceGIir9bvh75MSLJto3V:owQ9iyIakEL45MSGewlymLII5MYtiZqU

Malware Config

Extracted

Family

xtremerat

C2

mmsalti.no-ip.org

Signatures

  • Detect XtremeRAT payload 5 IoCs
  • XtremeRAT

    The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.

  • UPX packed file 7 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2456
    • C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe"
      2⤵
      • Drops file in Windows directory
      • Suspicious use of WriteProcessMemory
      PID:2288
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
          PID:3048
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          3⤵
            PID:2144
      • C:\Windows\SysWOW64\DllHost.exe
        C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
        1⤵
        • Drops file in Windows directory
        • Suspicious use of FindShellTrayWindow
        PID:2840

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Windows\3universitaria.jpg

        Filesize

        40KB

        MD5

        0e7a09e5f57fa94865a4a611054b621b

        SHA1

        8532e77ca831a94934dc1860837e75e409c2c8d9

        SHA256

        e6455b4158c4418025b717d34884db292eaf8a22aeed749e5f200fcae4b14f1b

        SHA512

        c66cda446931f05e1946f840b1072fe217303315f6e3d3d4735b365aabd83b90985749d1495f407c38d8daea5271d7c273549d941837404e8b767531e0a9737f

      • memory/2288-18-0x0000000000BC0000-0x0000000000BC2000-memory.dmp

        Filesize

        8KB

      • memory/2288-7-0x0000000010000000-0x0000000010058000-memory.dmp

        Filesize

        352KB

      • memory/2288-9-0x0000000010000000-0x0000000010058000-memory.dmp

        Filesize

        352KB

      • memory/2288-12-0x0000000000400000-0x00000000007AA000-memory.dmp

        Filesize

        3.7MB

      • memory/2288-20-0x0000000010000000-0x0000000010058000-memory.dmp

        Filesize

        352KB

      • memory/2288-8-0x0000000010000000-0x0000000010058000-memory.dmp

        Filesize

        352KB

      • memory/2288-4-0x0000000010000000-0x0000000010058000-memory.dmp

        Filesize

        352KB

      • memory/2456-11-0x0000000003750000-0x0000000003AFA000-memory.dmp

        Filesize

        3.7MB

      • memory/2456-10-0x0000000000400000-0x00000000007AA000-memory.dmp

        Filesize

        3.7MB

      • memory/2456-0-0x0000000000400000-0x00000000007AA000-memory.dmp

        Filesize

        3.7MB

      • memory/2456-22-0x0000000003750000-0x0000000003AFA000-memory.dmp

        Filesize

        3.7MB

      • memory/2840-19-0x0000000000320000-0x0000000000322000-memory.dmp

        Filesize

        8KB

      • memory/3048-13-0x0000000010000000-0x0000000010058000-memory.dmp

        Filesize

        352KB

      • memory/3048-15-0x0000000010000000-0x0000000010058000-memory.dmp

        Filesize

        352KB

      • memory/3048-23-0x0000000010000000-0x0000000010058000-memory.dmp

        Filesize

        352KB