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Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240730-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/07/2024, 09:05

General

  • Target

    11b8efff764fbce74b43aea7f4c95b14_JaffaCakes118.exe

  • Size

    56KB

  • MD5

    11b8efff764fbce74b43aea7f4c95b14

  • SHA1

    7a94694d7e5684310b665e82b7ce77cc16282b32

  • SHA256

    a9bb9b749030ba6312d598ae897d3a22388476bd31a3f6b38ebd4a62a50145aa

  • SHA512

    f60da34be97bb53b7c8bf22b9feb4dd44e8d9fa6229d9e6bfd10185b6ae70c139c8a18703824e80637c6170d388519c08225b864ddef689ebb57a07932ac3990

  • SSDEEP

    384:Xz2RKr1Ys0Kp2AoXLB6z0/VhhBQe4XpYkPxVuSobXmvUxiQ0p2d6600zEJ:XGKrEYyPQe4XqkJVuSUWvc6/6tw

Malware Config

Extracted

Family

guloader

C2

https://drive.google.com/uc?export=download&id=1za63AbR2EAXR_xSjBbkfxThWYX6GBuz0

http://makdkvc.ug/soft_encrypted_D85340.bin

xor.base64

Signatures

  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • 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\11b8efff764fbce74b43aea7f4c95b14_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\11b8efff764fbce74b43aea7f4c95b14_JaffaCakes118.exe"
    1⤵
    • 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:1772
    • C:\Users\Admin\AppData\Local\Temp\11b8efff764fbce74b43aea7f4c95b14_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\11b8efff764fbce74b43aea7f4c95b14_JaffaCakes118.exe"
      2⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      PID:2004

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1772-2-0x0000000002AE0000-0x0000000002AE8000-memory.dmp

    Filesize

    32KB

  • memory/1772-3-0x0000000077971000-0x0000000077A91000-memory.dmp

    Filesize

    1.1MB

  • memory/1772-4-0x0000000002AE0000-0x0000000002AE8000-memory.dmp

    Filesize

    32KB

  • memory/2004-5-0x0000000000400000-0x000000000055D000-memory.dmp

    Filesize

    1.4MB

  • memory/2004-8-0x0000000077971000-0x0000000077A91000-memory.dmp

    Filesize

    1.1MB

  • memory/2004-7-0x0000000000560000-0x0000000000660000-memory.dmp

    Filesize

    1024KB