Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250207-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250207-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-02-2025 20:10

General

  • Target

    JaffaCakes118_d32f255d97717b3cffcabf0eb5b1055e.exe

  • Size

    295KB

  • MD5

    d32f255d97717b3cffcabf0eb5b1055e

  • SHA1

    eb4ec8ed7423fd10223303c8d6bfecc31d901474

  • SHA256

    60c0eaaa8196c1d92c93a7e5650ab5b0d7f0df9f5c80f77b62ad8d347962ba02

  • SHA512

    7d1c3df5add5e2a9b9564448b31e1845e24a8750738f9be67618265fa46018a87e90827d20d8745593b6a9faed6454d947f9f634c9ebf91304a420a1f22c1a7e

  • SSDEEP

    3072:0yxfTVbmdCqmpESxQfPNm83OAlKpKj6gskjXsCqIlgFlAYUx571O9vuAuLiKLilZ:0gVqmpES6Nn3WngoCj6S51OtFuZGl

Malware Config

Extracted

Family

xtremerat

C2

youtube-test.zapto.org

Signatures

  • Detect XtremeRAT payload 6 IoCs
  • XtremeRAT

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

  • Xtremerat family
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Downloads MZ/PE file 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 8 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d32f255d97717b3cffcabf0eb5b1055e.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d32f255d97717b3cffcabf0eb5b1055e.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4732
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d32f255d97717b3cffcabf0eb5b1055e.exe
      C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d32f255d97717b3cffcabf0eb5b1055e.exe
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Adds Run key to start application
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2956
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
        • System Location Discovery: System Language Discovery
        PID:868
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 868 -s 488
          4⤵
          • Program crash
          PID:5060
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 868 -s 496
          4⤵
          • Program crash
          PID:4168
    • C:\Users\Admin\AppData\Local\Temp\System\taskhosť.exe
      "C:\Users\Admin\AppData\Local\Temp\System\taskhosť.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4568
      • C:\Users\Admin\AppData\Local\Temp\System\svchòst.exe
        "C:\Users\Admin\AppData\Local\Temp\System\svchòst.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2960
        • C:\Users\Admin\AppData\Local\Temp\System\svchòst.exe
          C:\Users\Admin\AppData\Local\Temp\System\svchòst.exe
          4⤵
          • Executes dropped EXE
          PID:2912
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 868 -ip 868
    1⤵
      PID:3660
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 868 -ip 868
      1⤵
        PID:840
      • C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
        "C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz48cmVxdWVzdCBwcm90b2NvbD0iMy4wIiB1cGRhdGVyPSJPbWFoYSIgdXBkYXRlcnZlcnNpb249IjEuMy4xOTUuNDMiIHNoZWxsX3ZlcnNpb249IjEuMy4xOTUuNDMiIGlzbWFjaGluZT0iMSIgc2Vzc2lvbmlkPSJ7NkI2M0IzQzktMEM4Qi00RTMyLUFEOEMtQjY0N0JBMEQ5ODUzfSIgdXNlcmlkPSJ7MzkxOEUzMjMtM0M2QS00MjM2LUE4ODItRDg0Qzg0MkNDMkU4fSIgaW5zdGFsbHNvdXJjZT0ibGltaXRlZCIgcmVxdWVzdGlkPSJ7NzdGODgzMkItQjIxNi00QzA4LTg1MjEtMzNGOEYxOUU1REUzfSIgZGVkdXA9ImNyIiBkb21haW5qb2luZWQ9IjAiPjxodyBsb2dpY2FsX2NwdXM9IjIiIHBoeXNtZW1vcnk9IjQiIGRpc2tfdHlwZT0iMiIgc3NlPSIxIiBzc2UyPSIxIiBzc2UzPSIxIiBzc3NlMz0iMSIgc3NlNDE9IjEiIHNzZTQyPSIxIiBhdng9IjEiLz48b3MgcGxhdGZvcm09IndpbiIgdmVyc2lvbj0iMTAuMC4xOTA0MS4xMjg4IiBzcD0iIiBhcmNoPSJ4NjQiIHByb2R1Y3RfdHlwZT0iNDgiIGlzX3dpcD0iMCIgaXNfaW5fbG9ja2Rvd25fbW9kZT0iMCIvPjxvZW0gcHJvZHVjdF9tYW51ZmFjdHVyZXI9IiIgcHJvZHVjdF9uYW1lPSIiLz48ZXhwIGV0YWc9IiZxdW90O0UreGJBejZZNnNVMTI4OWJTNnFsNFZSTGJramZCVUdUTUpzanJIcjQ0aUk9JnF1b3Q7Ii8-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIyIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDU4NjAiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODIxNjMwOTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1Mjg3NzE0MzQwIi8-PC9hcHA-PC9yZXF1ZXN0Pg
        1⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        PID:3212

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\System\svchòst.exe

        Filesize

        295KB

        MD5

        d32f255d97717b3cffcabf0eb5b1055e

        SHA1

        eb4ec8ed7423fd10223303c8d6bfecc31d901474

        SHA256

        60c0eaaa8196c1d92c93a7e5650ab5b0d7f0df9f5c80f77b62ad8d347962ba02

        SHA512

        7d1c3df5add5e2a9b9564448b31e1845e24a8750738f9be67618265fa46018a87e90827d20d8745593b6a9faed6454d947f9f634c9ebf91304a420a1f22c1a7e

      • C:\Users\Admin\AppData\Local\Temp\System\taskhosť.exe

        Filesize

        25KB

        MD5

        653d927d96c56479b9df21fae497bf6d

        SHA1

        e55a94d031f701faffb29668cf5d8828532ace37

        SHA256

        f9f733ea06e561eb680dd42dd1f4065931eb26dfbf65545c43850d4532ced1b2

        SHA512

        9298df360f74ce43ad1a7530e175256ef36eaba7d253bdef87bb0a8f33c21f017ae9835f37985ba0cef0ad5f2609bcbad78684bd6f7b3a54bdbaf7937a81110d

      • memory/868-11-0x0000000010000000-0x000000001004D000-memory.dmp

        Filesize

        308KB

      • memory/868-12-0x0000000010000000-0x000000001004D000-memory.dmp

        Filesize

        308KB

      • memory/2956-8-0x0000000010000000-0x000000001004D000-memory.dmp

        Filesize

        308KB

      • memory/2956-10-0x0000000010000000-0x000000001004D000-memory.dmp

        Filesize

        308KB

      • memory/2956-6-0x0000000010000000-0x000000001004D000-memory.dmp

        Filesize

        308KB

      • memory/2956-15-0x0000000010000000-0x000000001004D000-memory.dmp

        Filesize

        308KB

      • memory/2956-16-0x0000000010000000-0x000000001004D000-memory.dmp

        Filesize

        308KB

      • memory/2956-9-0x0000000010000000-0x000000001004D000-memory.dmp

        Filesize

        308KB

      • memory/4568-27-0x0000000001470000-0x0000000001480000-memory.dmp

        Filesize

        64KB

      • memory/4568-40-0x0000000001470000-0x0000000001480000-memory.dmp

        Filesize

        64KB

      • memory/4732-2-0x00000000745F0000-0x0000000074BA1000-memory.dmp

        Filesize

        5.7MB

      • memory/4732-1-0x00000000745F0000-0x0000000074BA1000-memory.dmp

        Filesize

        5.7MB

      • memory/4732-37-0x00000000745F2000-0x00000000745F3000-memory.dmp

        Filesize

        4KB

      • memory/4732-38-0x00000000745F0000-0x0000000074BA1000-memory.dmp

        Filesize

        5.7MB

      • memory/4732-39-0x00000000745F0000-0x0000000074BA1000-memory.dmp

        Filesize

        5.7MB

      • memory/4732-0-0x00000000745F2000-0x00000000745F3000-memory.dmp

        Filesize

        4KB