Analysis

  • max time kernel
    142s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-09-2024 12:08

General

  • Target

    e6c9ec0cf5a24665dc259352ca67face_JaffaCakes118.exe

  • Size

    2.9MB

  • MD5

    e6c9ec0cf5a24665dc259352ca67face

  • SHA1

    c6a1fc7f0c46782999fd356c60d6e66889918c57

  • SHA256

    ba6ebb75ddaf850392f61dd6d4e878a7283a43f996ec2677777e3b2fbf9e1e9d

  • SHA512

    a9af0a5af15db59542160ac74a57213bae309445d7ea2f04cafc61b1d4d68f83de1f6be664aaa65c6d3bebdaa0699389f281f1c2670eb17e88ef71645853693f

  • SSDEEP

    49152:X65xtuYXTLtFyhVkCkctkTotsE2jgnL4f/DBrGFbKocfTbn7PSUC6m1voZf41pP8:Xs2qUtsE2jdXDB0bKocfOBNARsZYl

Malware Config

Signatures

  • Glupteba

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

  • 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
  • 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
  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 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 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e6c9ec0cf5a24665dc259352ca67face_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e6c9ec0cf5a24665dc259352ca67face_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2012
    • C:\Users\Admin\AppData\Local\Temp\e6c9ec0cf5a24665dc259352ca67face_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\e6c9ec0cf5a24665dc259352ca67face_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
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2752
      • 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:2736
        • 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
          • Modifies data under HKEY_USERS
          PID:1968
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe ""
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Modifies data under HKEY_USERS
        • Modifies system certificate store
        PID:2804
  • C:\Windows\system32\makecab.exe
    "C:\Windows\system32\makecab.exe" C:\Windows\Logs\CBS\CbsPersist_20240917120858.log C:\Windows\Logs\CBS\CbsPersist_20240917120858.cab
    1⤵
    • Drops file in Windows directory
    PID:2220

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Windows\rss\csrss.exe

    Filesize

    2.9MB

    MD5

    e6c9ec0cf5a24665dc259352ca67face

    SHA1

    c6a1fc7f0c46782999fd356c60d6e66889918c57

    SHA256

    ba6ebb75ddaf850392f61dd6d4e878a7283a43f996ec2677777e3b2fbf9e1e9d

    SHA512

    a9af0a5af15db59542160ac74a57213bae309445d7ea2f04cafc61b1d4d68f83de1f6be664aaa65c6d3bebdaa0699389f281f1c2670eb17e88ef71645853693f

  • memory/2012-3-0x00000000022C0000-0x0000000002593000-memory.dmp

    Filesize

    2.8MB

  • memory/2012-4-0x0000000000400000-0x0000000000964000-memory.dmp

    Filesize

    5.4MB

  • memory/2012-0-0x00000000022C0000-0x0000000002593000-memory.dmp

    Filesize

    2.8MB

  • memory/2012-1-0x0000000000400000-0x0000000000964000-memory.dmp

    Filesize

    5.4MB

  • memory/2752-5-0x0000000000400000-0x0000000000964000-memory.dmp

    Filesize

    5.4MB

  • memory/2752-6-0x0000000000400000-0x0000000000964000-memory.dmp

    Filesize

    5.4MB

  • memory/2752-16-0x0000000000400000-0x0000000000964000-memory.dmp

    Filesize

    5.4MB

  • memory/2804-17-0x0000000000400000-0x0000000000964000-memory.dmp

    Filesize

    5.4MB

  • memory/2804-29-0x0000000000400000-0x0000000000964000-memory.dmp

    Filesize

    5.4MB

  • memory/2804-30-0x0000000000400000-0x0000000000964000-memory.dmp

    Filesize

    5.4MB

  • memory/2804-31-0x0000000000400000-0x0000000000964000-memory.dmp

    Filesize

    5.4MB

  • memory/2804-32-0x0000000000400000-0x0000000000964000-memory.dmp

    Filesize

    5.4MB

  • memory/2804-36-0x0000000000400000-0x0000000000964000-memory.dmp

    Filesize

    5.4MB

  • memory/2804-39-0x0000000000400000-0x0000000000964000-memory.dmp

    Filesize

    5.4MB