Analysis

  • max time kernel
    141s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    29-05-2024 05:08

General

  • Target

    7f95279ad7bc6d152419ee75a9463153_JaffaCakes118.exe

  • Size

    3.7MB

  • MD5

    7f95279ad7bc6d152419ee75a9463153

  • SHA1

    0d9e34e306ec34c3db2bef17f406375284c7b3ac

  • SHA256

    47df16b4556f0531b5d658f498af86b7158441f5e9828a1b4896bbc8f0b1fbb9

  • SHA512

    13c544f86aeb3e902797397d0ed1fe97594adb8e5ed64d9d8afb198d6aa3fa834530f44d0eb0b07683433756983c45d72dcf3d4158c07b97cd72c8edfb720a91

  • SSDEEP

    98304:mvcmjiEBTryQlcrr5IUU4UZak+G3XgJeK1gmYj:mkqiEBTrc5Iz1/gJV

Malware Config

Signatures

  • Glupteba

    Glupteba is a modular loader written in Golang with various components.

  • Glupteba payload 15 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Windows security modification 2 TTPs 12 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 4 IoCs
  • Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs

    Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.

  • Drops file in Windows directory 3 IoCs
  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7f95279ad7bc6d152419ee75a9463153_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\7f95279ad7bc6d152419ee75a9463153_JaffaCakes118.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1932
    • C:\Users\Admin\AppData\Local\Temp\7f95279ad7bc6d152419ee75a9463153_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\7f95279ad7bc6d152419ee75a9463153_JaffaCakes118.exe"
      2⤵
      • Windows security bypass
      • Loads dropped DLL
      • Windows security modification
      • Adds Run key to start application
      • Checks for VirtualBox DLLs, possible anti-VM trick
      • Drops file in Windows directory
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2604
      • C:\Windows\system32\cmd.exe
        C:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2640
        • C:\Windows\system32\netsh.exe
          netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes
          4⤵
          • Modifies Windows Firewall
          • Modifies data under HKEY_USERS
          PID:2584
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe /6-JaffaCakes118
        3⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • Modifies data under HKEY_USERS
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        PID:2516
  • C:\Windows\system32\makecab.exe
    "C:\Windows\system32\makecab.exe" C:\Windows\Logs\CBS\CbsPersist_20240529050902.log C:\Windows\Logs\CBS\CbsPersist_20240529050902.cab
    1⤵
    • Drops file in Windows directory
    PID:2668

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Windows\rss\csrss.exe

    Filesize

    3.7MB

    MD5

    7f95279ad7bc6d152419ee75a9463153

    SHA1

    0d9e34e306ec34c3db2bef17f406375284c7b3ac

    SHA256

    47df16b4556f0531b5d658f498af86b7158441f5e9828a1b4896bbc8f0b1fbb9

    SHA512

    13c544f86aeb3e902797397d0ed1fe97594adb8e5ed64d9d8afb198d6aa3fa834530f44d0eb0b07683433756983c45d72dcf3d4158c07b97cd72c8edfb720a91

  • memory/1932-1-0x0000000008850000-0x0000000008BF3000-memory.dmp

    Filesize

    3.6MB

  • memory/1932-2-0x0000000008C00000-0x00000000092EE000-memory.dmp

    Filesize

    6.9MB

  • memory/1932-3-0x0000000000400000-0x0000000000B09000-memory.dmp

    Filesize

    7.0MB

  • memory/1932-5-0x0000000008850000-0x0000000008BF3000-memory.dmp

    Filesize

    3.6MB

  • memory/1932-6-0x0000000008C00000-0x00000000092EE000-memory.dmp

    Filesize

    6.9MB

  • memory/1932-4-0x0000000000400000-0x0000000001400000-memory.dmp

    Filesize

    16.0MB

  • memory/1932-7-0x0000000000400000-0x0000000000B09000-memory.dmp

    Filesize

    7.0MB

  • memory/1932-0-0x0000000008850000-0x0000000008BF3000-memory.dmp

    Filesize

    3.6MB

  • memory/2516-45-0x0000000000400000-0x0000000001400000-memory.dmp

    Filesize

    16.0MB

  • memory/2516-18-0x0000000008900000-0x0000000008CA3000-memory.dmp

    Filesize

    3.6MB

  • memory/2516-30-0x0000000000400000-0x0000000001400000-memory.dmp

    Filesize

    16.0MB

  • memory/2516-31-0x0000000000400000-0x0000000001400000-memory.dmp

    Filesize

    16.0MB

  • memory/2516-32-0x0000000000400000-0x0000000001400000-memory.dmp

    Filesize

    16.0MB

  • memory/2516-46-0x0000000000400000-0x0000000001400000-memory.dmp

    Filesize

    16.0MB

  • memory/2516-47-0x0000000000400000-0x0000000001400000-memory.dmp

    Filesize

    16.0MB

  • memory/2516-50-0x0000000000400000-0x0000000001400000-memory.dmp

    Filesize

    16.0MB

  • memory/2516-51-0x0000000000400000-0x0000000001400000-memory.dmp

    Filesize

    16.0MB

  • memory/2516-52-0x0000000000400000-0x0000000001400000-memory.dmp

    Filesize

    16.0MB

  • memory/2604-17-0x0000000000400000-0x0000000001400000-memory.dmp

    Filesize

    16.0MB

  • memory/2604-8-0x0000000008820000-0x0000000008BC3000-memory.dmp

    Filesize

    3.6MB