Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/01/2025, 06:40

General

  • Target

    JaffaCakes118_14286f5d33d5d0db8c2cf853588105de.exe

  • Size

    136KB

  • MD5

    14286f5d33d5d0db8c2cf853588105de

  • SHA1

    0054237732dfb296e5b5429886a057e4374c1515

  • SHA256

    0bf8feda9e131c4b5bc7b17218880c3a492f702fa9fd6dc9d10f5a62a72aa08a

  • SHA512

    f8169fc9ed525a268dca75f6e1e836fae00dabe3876aaf4766d21cf8d883fa91f0e4a6c8c9fcee3daec6ac6db0100614e7bbf0720b9015cd98015043dafe627d

  • SSDEEP

    1536:jSMJImKSOog+MxVnWzC5sWgzb7W/MEA6Jm2taMMco3v:ll1OogjVnQCia/lAYVi

Malware Config

Signatures

  • Guloader family
  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Checks QEMU agent file 2 TTPs 2 IoCs

    Checks presence of QEMU agent, possibly to detect virtualization.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_14286f5d33d5d0db8c2cf853588105de.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_14286f5d33d5d0db8c2cf853588105de.exe"
    1⤵
    • Checks QEMU agent file
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3816
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_14286f5d33d5d0db8c2cf853588105de.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_14286f5d33d5d0db8c2cf853588105de.exe"
      2⤵
      • Checks QEMU agent file
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      PID:3572

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3572-6-0x0000000000400000-0x000000000055D000-memory.dmp

    Filesize

    1.4MB

  • memory/3572-9-0x0000000000560000-0x0000000000660000-memory.dmp

    Filesize

    1024KB

  • memory/3572-10-0x0000000000560000-0x0000000000660000-memory.dmp

    Filesize

    1024KB

  • memory/3572-17-0x0000000000400000-0x000000000055D000-memory.dmp

    Filesize

    1.4MB

  • memory/3816-2-0x00000000022C0000-0x00000000022D7000-memory.dmp

    Filesize

    92KB

  • memory/3816-3-0x0000000077D11000-0x0000000077E31000-memory.dmp

    Filesize

    1.1MB

  • memory/3816-4-0x00000000022C0000-0x00000000022D7000-memory.dmp

    Filesize

    92KB

  • memory/3816-5-0x0000000077D11000-0x0000000077E31000-memory.dmp

    Filesize

    1.1MB

  • memory/3816-8-0x00000000022C0000-0x00000000022D7000-memory.dmp

    Filesize

    92KB