Overview

overview

10

Static

static

10

0dc3f44425...18.exe

windows7-x64

10

0dc3f44425...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    120s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/05/2024, 06:35

Sharing

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General

  • Target
    0dc3f44425c7a381db6a34c368c1d5d2_JaffaCakes118.exe
  • Size 80KB
  • Sample240502-hcb6nabe3y
  • SHA256 428d9344732516e73243f5a2da5506b134e841d762b1f7b897f584d72d523078
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
guloaderdownloader

Malware Config

Extracted

Family

  • guloader

C2

  • https://drive.google.com/uc?export=download&id=1eCNeUqBN1AagFTofixYSovTbymQ4Rkgf

xor.base64

Signatures

  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

    downloaderguloader
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0dc3f44425c7a381db6a34c368c1d5d2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\0dc3f44425c7a381db6a34c368c1d5d2_JaffaCakes118.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:556
    • C:\Users\Admin\AppData\Local\Temp\0dc3f44425c7a381db6a34c368c1d5d2_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\0dc3f44425c7a381db6a34c368c1d5d2_JaffaCakes118.exe"
      2⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      PID:4972

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        memory/556-2-0x0000000000620000-0x0000000000628000-memory.dmp
        Download

        memory/556-5-0x0000000077071000-0x0000000077191000-memory.dmp
        Download

        memory/4972-3-0x0000000000400000-0x000000000055D000-memory.dmp
        Download

        memory/4972-6-0x0000000000560000-0x0000000000660000-memory.dmp
        Download