Analysis

  • max time kernel
    150s
  • 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
    29-12-2024 07:49

General

  • Target

    JaffaCakes118_ed06232e5df3c0577632fdb2ceec8ced1facee18773d73dd1cc228ff00371442.exe

  • Size

    93KB

  • MD5

    b411c09b425438604412a414b225c03e

  • SHA1

    22eaa702485c0303ff3bde8b74588f22fc541cd3

  • SHA256

    ed06232e5df3c0577632fdb2ceec8ced1facee18773d73dd1cc228ff00371442

  • SHA512

    adf8c3cd870ee87ef28f4f71b781536240a4493b4ec80da6a5fd2ca06e863e71733142cc6d010c798fb738211f4b3224253d5e00946e251d58dd11367bb9566b

  • SSDEEP

    1536:HCOs5p8k2HGjTpZ5HoTjEwzGi1dD6DegS:HCSk2HGjtZ5IYi1dkD

Malware Config

Signatures

  • Modifies Windows Firewall 2 TTPs 3 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 4 IoCs
  • Executes dropped EXE 1 IoCs
  • Drops autorun.inf file 1 TTPs 4 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 9 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 5 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 37 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ed06232e5df3c0577632fdb2ceec8ced1facee18773d73dd1cc228ff00371442.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ed06232e5df3c0577632fdb2ceec8ced1facee18773d73dd1cc228ff00371442.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1384
    • C:\Users\Admin\AppData\Local\Temp\server.exe
      "C:\Users\Admin\AppData\Local\Temp\server.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Drops autorun.inf file
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1504
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:1640
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall delete allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe"
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:1768
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:3376

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\server.exe

    Filesize

    93KB

    MD5

    b411c09b425438604412a414b225c03e

    SHA1

    22eaa702485c0303ff3bde8b74588f22fc541cd3

    SHA256

    ed06232e5df3c0577632fdb2ceec8ced1facee18773d73dd1cc228ff00371442

    SHA512

    adf8c3cd870ee87ef28f4f71b781536240a4493b4ec80da6a5fd2ca06e863e71733142cc6d010c798fb738211f4b3224253d5e00946e251d58dd11367bb9566b

  • C:\Users\Admin\AppData\Roaming\app

    Filesize

    5B

    MD5

    112317d572ce0538d2d1b20d7f32170e

    SHA1

    c7f3714c4806b907bcff7f79aa1d1c9373b77d1e

    SHA256

    fd9e9a8be71786826787d6eb9aa28371d09b0515ddf0c19b082fe7bac57a88a9

    SHA512

    265dbebc83c74dc97770e650580b0321144990d133403bab2bc1de4618cde63dfd4fedfa56b5e4e259b510585db0f7a59042c356356c56bea3ac861d4be5337f

  • memory/1384-0-0x0000000074F42000-0x0000000074F43000-memory.dmp

    Filesize

    4KB

  • memory/1384-1-0x0000000074F40000-0x00000000754F1000-memory.dmp

    Filesize

    5.7MB

  • memory/1384-2-0x0000000074F40000-0x00000000754F1000-memory.dmp

    Filesize

    5.7MB

  • memory/1384-14-0x0000000074F40000-0x00000000754F1000-memory.dmp

    Filesize

    5.7MB

  • memory/1504-13-0x0000000074F40000-0x00000000754F1000-memory.dmp

    Filesize

    5.7MB

  • memory/1504-15-0x0000000074F40000-0x00000000754F1000-memory.dmp

    Filesize

    5.7MB

  • memory/1504-33-0x0000000074F40000-0x00000000754F1000-memory.dmp

    Filesize

    5.7MB