Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    28-01-2025 12:37

General

  • Target

    JaffaCakes118_4af585b74294efcce5cf4d80d6ef352b.exe

  • Size

    112KB

  • MD5

    4af585b74294efcce5cf4d80d6ef352b

  • SHA1

    8ab2673e30a2eaf81d8babc4d9ebf57f949b5f62

  • SHA256

    3d645f1df6028016ede7b7e242a6feb3dd0ee33d06ad453d89538e8e045d02f9

  • SHA512

    0bc469582fb5bc7d5995c7bed145ba5dbaed5418331190ab9fafd0a6d746f54e6d89c721e0082ae99a5253e0219458af7594041d1ce95d94f9d2a21f4b40af82

  • SSDEEP

    1536:nJEDcQBnD2ha1ZlKUw99Wyiyfiemb9H/OoOhiJ8c0BpB54v1RATcOuA69B:+LBnD2ha1aUQibN2oqtzI1qNOB

Malware Config

Extracted

Family

xtremerat

C2

dannymatrix.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.

  • Xtremerat family
  • Drops file in System32 directory 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 7 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4af585b74294efcce5cf4d80d6ef352b.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4af585b74294efcce5cf4d80d6ef352b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2268
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4af585b74294efcce5cf4d80d6ef352b.EXE
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4af585b74294efcce5cf4d80d6ef352b.EXE"
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2340
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1708
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe"
        3⤵
          PID:2440
    • C:\Windows\SysWOW64\DllHost.exe
      C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
      1⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      PID:868

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Windows\SysWOW64\765images.jpg

      Filesize

      5KB

      MD5

      41cad96ba4f1bcb3159b47bd450f3089

      SHA1

      1e4cd4b729ff1a0466043987a7b5de7850c9cb6c

      SHA256

      da663ec6d945bd81289ce5737fb08bc496a6614eb1684249f75b38b337103545

      SHA512

      3d339f7075d076de8d6bc5483548455ae5b6b9d37c580f93a400eff1b2215e0394a03e08f4b54c3e3929732a1ba53911693f6a6da1a90e34aa0b36d5a609cda0

    • memory/868-13-0x0000000000230000-0x0000000000232000-memory.dmp

      Filesize

      8KB

    • memory/868-18-0x0000000000400000-0x0000000000401000-memory.dmp

      Filesize

      4KB

    • memory/868-15-0x0000000000400000-0x0000000000401000-memory.dmp

      Filesize

      4KB

    • memory/1708-17-0x0000000010000000-0x000000001004F000-memory.dmp

      Filesize

      316KB

    • memory/1708-9-0x0000000010000000-0x000000001004F000-memory.dmp

      Filesize

      316KB

    • memory/1708-7-0x0000000010000000-0x000000001004F000-memory.dmp

      Filesize

      316KB

    • memory/2340-5-0x0000000010000000-0x000000001004F000-memory.dmp

      Filesize

      316KB

    • memory/2340-14-0x0000000010000000-0x000000001004F000-memory.dmp

      Filesize

      316KB

    • memory/2340-12-0x00000000007E0000-0x00000000007E2000-memory.dmp

      Filesize

      8KB

    • memory/2340-2-0x0000000010000000-0x000000001004F000-memory.dmp

      Filesize

      316KB

    • memory/2340-6-0x0000000010000000-0x000000001004F000-memory.dmp

      Filesize

      316KB

    • memory/2340-4-0x0000000010000000-0x000000001004F000-memory.dmp

      Filesize

      316KB