Analysis

  • max time kernel
    146s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    29-01-2025 09:23

General

  • Target

    JaffaCakes118_553b2fdd58c83bce4806c40ecc359ac4.exe

  • Size

    484KB

  • MD5

    553b2fdd58c83bce4806c40ecc359ac4

  • SHA1

    66ffff4db2f8761bcef4114df29da1d80abb1a87

  • SHA256

    aaa157684377b4f97b555562104247b1af56a52dece8d3af172e9e4d993b7d13

  • SHA512

    cf7f309f325bf4e1e53d70d6b0579098155b60b0afad023de622225b871d6b612d4305589f2265f9c379a29d273bb7b3a9f5d1867f13ae1b0bd060c2b914036f

  • SSDEEP

    6144:wjEx+4kJGbnw5lORJTOvRabYkRXBc6oCiTMMM:SExnq8Kivi5M

Malware Config

Extracted

Family

xtremerat

C2

saiddz.no-ip.info

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 4 IoCs

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

  • Adds Run key to start application 2 TTPs 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 8 IoCs

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

  • Drops file in Program Files directory 3 IoCs
  • 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 SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_553b2fdd58c83bce4806c40ecc359ac4.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_553b2fdd58c83bce4806c40ecc359ac4.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1904
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_553b2fdd58c83bce4806c40ecc359ac4.exe
      C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_553b2fdd58c83bce4806c40ecc359ac4.exe
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Adds Run key to start application
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1212
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
        • Boot or Logon Autostart Execution: Active Setup
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:1460
      • C:\Windows\SysWOW64\explorer.exe
        explorer.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2224

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\InstallDir\Server.exe

    Filesize

    484KB

    MD5

    553b2fdd58c83bce4806c40ecc359ac4

    SHA1

    66ffff4db2f8761bcef4114df29da1d80abb1a87

    SHA256

    aaa157684377b4f97b555562104247b1af56a52dece8d3af172e9e4d993b7d13

    SHA512

    cf7f309f325bf4e1e53d70d6b0579098155b60b0afad023de622225b871d6b612d4305589f2265f9c379a29d273bb7b3a9f5d1867f13ae1b0bd060c2b914036f

  • memory/1212-2-0x0000000000C80000-0x0000000000C96000-memory.dmp

    Filesize

    88KB

  • memory/1212-4-0x0000000000C80000-0x0000000000C96000-memory.dmp

    Filesize

    88KB

  • memory/1212-5-0x0000000000C80000-0x0000000000C96000-memory.dmp

    Filesize

    88KB

  • memory/1212-6-0x0000000000C80000-0x0000000000C96000-memory.dmp

    Filesize

    88KB

  • memory/1212-20-0x0000000000C80000-0x0000000000C96000-memory.dmp

    Filesize

    88KB

  • memory/1460-13-0x0000000000C80000-0x0000000000C96000-memory.dmp

    Filesize

    88KB

  • memory/1460-15-0x0000000000C80000-0x0000000000C96000-memory.dmp

    Filesize

    88KB

  • memory/2224-19-0x0000000000C80000-0x0000000000C96000-memory.dmp

    Filesize

    88KB

  • memory/2224-22-0x0000000000C80000-0x0000000000C96000-memory.dmp

    Filesize

    88KB