Analysis

  • max time kernel
    144s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-12-2024 07:18

General

  • Target

    f7e5d3a6f40f0b4dda88339bb747a42a_JaffaCakes118.exe

  • Size

    4.1MB

  • MD5

    f7e5d3a6f40f0b4dda88339bb747a42a

  • SHA1

    81960922bffb390045a5c077ff7fbc4049baadc5

  • SHA256

    ab23a2725f117deffca18a60403011d4a6d4cedc6650fa4ed09e032c8fc4a96b

  • SHA512

    b2defb921bf4d9a45bb57d5d42a6d1e8ca77385090d926cdc3f868a19d4073b9061e782ab086a3acb4cc572d5a2d0b970f8713e4562af249c3deeee1db7cbbec

  • SSDEEP

    98304:EbD1w+q+/JsehHrh5BkQzU/bnzcqU5EL1qh4B7M:SDGqJselSgezch58qhS7

Malware Config

Signatures

  • Glupteba

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

  • Glupteba family
  • Glupteba payload 15 IoCs
  • Modifies Windows Firewall 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 6 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 2 IoCs
  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f7e5d3a6f40f0b4dda88339bb747a42a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f7e5d3a6f40f0b4dda88339bb747a42a_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3296
    • C:\Users\Admin\AppData\Local\Temp\f7e5d3a6f40f0b4dda88339bb747a42a_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\f7e5d3a6f40f0b4dda88339bb747a42a_JaffaCakes118.exe"
      2⤵
      • Adds Run key to start application
      • Checks for VirtualBox DLLs, possible anti-VM trick
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2040
      • 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:2036
        • 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
          • Event Triggered Execution: Netsh Helper DLL
          PID:4636
      • C:\Windows\system32\cmd.exe
        C:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="CloudNet" dir=in action=allow program="C:\Users\Admin\AppData\Roaming\EpicNet Inc\CloudNet\cloudnet.exe" enable=yes"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3256
        • C:\Windows\system32\netsh.exe
          netsh advfirewall firewall add rule name="CloudNet" dir=in action=allow program="C:\Users\Admin\AppData\Roaming\EpicNet Inc\CloudNet\cloudnet.exe" enable=yes
          4⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          PID:1540
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe ""
        3⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        • Modifies data under HKEY_USERS
        • Modifies system certificate store
        PID:2768

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\rss\csrss.exe

    Filesize

    4.1MB

    MD5

    f7e5d3a6f40f0b4dda88339bb747a42a

    SHA1

    81960922bffb390045a5c077ff7fbc4049baadc5

    SHA256

    ab23a2725f117deffca18a60403011d4a6d4cedc6650fa4ed09e032c8fc4a96b

    SHA512

    b2defb921bf4d9a45bb57d5d42a6d1e8ca77385090d926cdc3f868a19d4073b9061e782ab086a3acb4cc572d5a2d0b970f8713e4562af249c3deeee1db7cbbec

  • memory/2040-13-0x0000000000400000-0x00000000009A9000-memory.dmp

    Filesize

    5.7MB

  • memory/2040-4-0x0000000000400000-0x00000000009A9000-memory.dmp

    Filesize

    5.7MB

  • memory/2040-5-0x0000000000400000-0x00000000009A9000-memory.dmp

    Filesize

    5.7MB

  • memory/2768-23-0x0000000000400000-0x00000000009A9000-memory.dmp

    Filesize

    5.7MB

  • memory/2768-22-0x0000000000400000-0x00000000009A9000-memory.dmp

    Filesize

    5.7MB

  • memory/2768-30-0x0000000000400000-0x00000000009A9000-memory.dmp

    Filesize

    5.7MB

  • memory/2768-15-0x0000000000400000-0x00000000009A9000-memory.dmp

    Filesize

    5.7MB

  • memory/2768-17-0x0000000000400000-0x00000000009A9000-memory.dmp

    Filesize

    5.7MB

  • memory/2768-20-0x0000000000400000-0x00000000009A9000-memory.dmp

    Filesize

    5.7MB

  • memory/2768-21-0x0000000000400000-0x00000000009A9000-memory.dmp

    Filesize

    5.7MB

  • memory/2768-29-0x0000000000400000-0x00000000009A9000-memory.dmp

    Filesize

    5.7MB

  • memory/2768-28-0x0000000000400000-0x00000000009A9000-memory.dmp

    Filesize

    5.7MB

  • memory/2768-25-0x0000000000400000-0x00000000009A9000-memory.dmp

    Filesize

    5.7MB

  • memory/2768-26-0x0000000000400000-0x00000000009A9000-memory.dmp

    Filesize

    5.7MB

  • memory/3296-1-0x0000000002AD0000-0x0000000002EBD000-memory.dmp

    Filesize

    3.9MB

  • memory/3296-7-0x0000000000400000-0x00000000009A9000-memory.dmp

    Filesize

    5.7MB

  • memory/3296-2-0x0000000000400000-0x00000000009A9000-memory.dmp

    Filesize

    5.7MB