Analysis

  • max time kernel
    93s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/04/2024, 02:43

General

  • Target

    eef1b265e3aeaaeafabfe74bda31b5cf_JaffaCakes118.exe

  • Size

    3.1MB

  • MD5

    eef1b265e3aeaaeafabfe74bda31b5cf

  • SHA1

    924a445a8fc23c29fe1b294272cb8c8e5ba9c7bb

  • SHA256

    c5203826395626892dba5e237dafd85fa8370264c9d150ffeee86c261930e065

  • SHA512

    66ce9210947a9901694d8b71ce2ff83e06d31c9af158b0fd507444918af59edd74604a0f81bc45aeb07e7a47c7b84c0a38c6db77da2cf4917036e4515869abc1

  • SSDEEP

    49152:B6Ovl41Ww2/TxmN/UyuTGHlhXkUGPPeMdmyaDhg9EKkdTgpR56/+iX8k9BPUoh4b:IOvKnqxuVutPPePlOS/+KBrhK

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Themida packer 3 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eef1b265e3aeaaeafabfe74bda31b5cf_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\eef1b265e3aeaaeafabfe74bda31b5cf_JaffaCakes118.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1704
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1704 -s 1684
      2⤵
      • Program crash
      PID:4376
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1704 -ip 1704
    1⤵
      PID:1156

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1704-0-0x00000000001A0000-0x0000000000A16000-memory.dmp

            Filesize

            8.5MB

          • memory/1704-1-0x0000000076670000-0x0000000076760000-memory.dmp

            Filesize

            960KB

          • memory/1704-2-0x0000000076670000-0x0000000076760000-memory.dmp

            Filesize

            960KB

          • memory/1704-4-0x0000000076670000-0x0000000076760000-memory.dmp

            Filesize

            960KB

          • memory/1704-6-0x0000000076670000-0x0000000076760000-memory.dmp

            Filesize

            960KB

          • memory/1704-5-0x0000000076670000-0x0000000076760000-memory.dmp

            Filesize

            960KB

          • memory/1704-3-0x0000000076670000-0x0000000076760000-memory.dmp

            Filesize

            960KB

          • memory/1704-7-0x0000000077674000-0x0000000077676000-memory.dmp

            Filesize

            8KB

          • memory/1704-8-0x00000000001A0000-0x0000000000A16000-memory.dmp

            Filesize

            8.5MB

          • memory/1704-9-0x00000000001A0000-0x0000000000A16000-memory.dmp

            Filesize

            8.5MB

          • memory/1704-11-0x00000000001A0000-0x0000000000A16000-memory.dmp

            Filesize

            8.5MB

          • memory/1704-12-0x0000000076670000-0x0000000076760000-memory.dmp

            Filesize

            960KB