Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    12-07-2024 04:57

General

  • Target

    3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe

  • Size

    216KB

  • MD5

    3c0d8ae00bf66229b3d7f1fdd8049adc

  • SHA1

    7b97581fdfb7e1de3b89c7e6d228ba9fb66291fb

  • SHA256

    c6d20abd88b10a08256ebbcd71626802629e7275f2fafd2fd49562210e878a43

  • SHA512

    4c17663cb701c78bdbdff081f8481451513a718f37ac5b52c1d3e93dab61650e7813677f0bbd00f987a2595228660904eb4ceb1981623036f0516d36b870afb8

  • SSDEEP

    3072:CLJMeQm+h3MqrbgwLzUxDPJn2ibmzCm1b9nxvw6pi29riC5x:WMeUgwfURlnC+mt9xX6C5

Malware Config

Extracted

Family

xtremerat

C2

finders.hopto.org

Signatures

  • Detect XtremeRAT payload 14 IoCs
  • XtremeRAT

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

  • 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.

  • Deletes itself 1 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2276
    • C:\Users\Admin\AppData\Local\Temp\3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe"
      2⤵
      • Writes to the Master Boot Record (MBR)
      • Suspicious use of SetThreadContext
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2380
      • C:\Users\Admin\AppData\Local\Temp\3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1980
        • C:\Windows\SysWOW64\svchost.exe
          svchost.exe
          4⤵
          • Boot or Logon Autostart Execution: Active Setup
          • Adds Run key to start application
          PID:2024
        • C:\Windows\SysWOW64\explorer.exe
          explorer.exe
          4⤵
          • Boot or Logon Autostart Execution: Active Setup
          • Deletes itself
          • Adds Run key to start application
          • Suspicious use of SetWindowsHookEx
          PID:2308

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Google Updates\cssrs.exe

    Filesize

    216KB

    MD5

    3c0d8ae00bf66229b3d7f1fdd8049adc

    SHA1

    7b97581fdfb7e1de3b89c7e6d228ba9fb66291fb

    SHA256

    c6d20abd88b10a08256ebbcd71626802629e7275f2fafd2fd49562210e878a43

    SHA512

    4c17663cb701c78bdbdff081f8481451513a718f37ac5b52c1d3e93dab61650e7813677f0bbd00f987a2595228660904eb4ceb1981623036f0516d36b870afb8

  • memory/1980-28-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB

  • memory/1980-31-0x0000000000400000-0x0000000000436000-memory.dmp

    Filesize

    216KB

  • memory/1980-23-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB

  • memory/1980-26-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB

  • memory/1980-27-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB

  • memory/1980-22-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB

  • memory/1980-21-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB

  • memory/1980-20-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB

  • memory/1980-19-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB

  • memory/1980-18-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB

  • memory/1980-17-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB

  • memory/2024-34-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB

  • memory/2024-43-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB

  • memory/2308-37-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB

  • memory/2308-41-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB

  • memory/2308-40-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB

  • memory/2308-44-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB

  • memory/2380-29-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/2380-14-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/2380-4-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/2380-6-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/2380-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2380-2-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/2380-12-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB