Analysis

  • max time kernel
    150s
  • max time network
    141s
  • 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 03:35

General

  • Target

    JaffaCakes118_e3628c6c6461b4df628ab0d7c8977d109d5906aec469ec8d1dec8372c956862a.exe

  • Size

    93KB

  • MD5

    943ad62c5ce7252307522fba42ac0ad0

  • SHA1

    3ab8fe8d2b082f5009f8e735e6cef24f70c81414

  • SHA256

    e3628c6c6461b4df628ab0d7c8977d109d5906aec469ec8d1dec8372c956862a

  • SHA512

    d831ac60fd9a62122f7021da8b8c9d9f305cfe9a4a0c08b9b0c6ec930bc22a41ce632c3b58cf3238876fb5d2152ad2ec8a272a6e9fb9145adc410a0416100114

  • SSDEEP

    1536:xUIs5p8k2HGjTpL5HoTjEwzGi1dDkDEgS:xUgk2HGjtL5IYi1dK9

Malware Config

Signatures

  • Modifies Windows Firewall 2 TTPs 1 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
  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 37 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e3628c6c6461b4df628ab0d7c8977d109d5906aec469ec8d1dec8372c956862a.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e3628c6c6461b4df628ab0d7c8977d109d5906aec469ec8d1dec8372c956862a.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4384
    • C:\Users\Admin\AppData\Local\Temp\server.exe
      "C:\Users\Admin\AppData\Local\Temp\server.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2204
      • 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:3864

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    93KB

    MD5

    943ad62c5ce7252307522fba42ac0ad0

    SHA1

    3ab8fe8d2b082f5009f8e735e6cef24f70c81414

    SHA256

    e3628c6c6461b4df628ab0d7c8977d109d5906aec469ec8d1dec8372c956862a

    SHA512

    d831ac60fd9a62122f7021da8b8c9d9f305cfe9a4a0c08b9b0c6ec930bc22a41ce632c3b58cf3238876fb5d2152ad2ec8a272a6e9fb9145adc410a0416100114

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

    Filesize

    5B

    MD5

    112317d572ce0538d2d1b20d7f32170e

    SHA1

    c7f3714c4806b907bcff7f79aa1d1c9373b77d1e

    SHA256

    fd9e9a8be71786826787d6eb9aa28371d09b0515ddf0c19b082fe7bac57a88a9

    SHA512

    265dbebc83c74dc97770e650580b0321144990d133403bab2bc1de4618cde63dfd4fedfa56b5e4e259b510585db0f7a59042c356356c56bea3ac861d4be5337f

  • memory/2204-14-0x0000000074C90000-0x0000000075241000-memory.dmp

    Filesize

    5.7MB

  • memory/2204-15-0x0000000074C90000-0x0000000075241000-memory.dmp

    Filesize

    5.7MB

  • memory/2204-25-0x0000000074C90000-0x0000000075241000-memory.dmp

    Filesize

    5.7MB

  • memory/4384-0-0x0000000074C92000-0x0000000074C93000-memory.dmp

    Filesize

    4KB

  • memory/4384-1-0x0000000074C90000-0x0000000075241000-memory.dmp

    Filesize

    5.7MB

  • memory/4384-2-0x0000000074C90000-0x0000000075241000-memory.dmp

    Filesize

    5.7MB

  • memory/4384-13-0x0000000074C90000-0x0000000075241000-memory.dmp

    Filesize

    5.7MB