Overview

overview

7

Static

static

3

jaffacakes...17.exe

windows10-2004-x64

7

jaffacakes...17.exe

windows11-ltsc_2024-x64

7

Analysis

  • max time kernel
    150s
  • max time network
    116s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/10/2026, 16:14

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General

  • Target
    jaffacakes118_Backdoor.Win32.Zerg.17.exe
  • Size 48KB
  • Sample261009-tprbwscc46
  • SHA256 79bd73720ed57a3821bde9569330a60e720591a0c288ed33c3ee2cf0be12e34e
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
discoverypersistence

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Drops file in Windows directory 1 IoCs
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 6 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

    discovery
  • 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.

    discovery
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Backdoor.Win32.Zerg.17.exe
    "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Backdoor.Win32.Zerg.17.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:756
    • \??\c:\windows\mstask32.exe
      c:\windows\mstask32.exe
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:4104
  • C:\Windows\mstask32.exe
    mstask32.exe
    1⤵
    • Executes dropped EXE
    • Reads the TCP/IP host and domain name from the registry
    PID:5868

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        mstask32.exe
        • Path C:\Windows\mstask32.exe
        • Size 48KB
        • SHA256 79bd73720ed57a3821bde9569330a60e720591a0c288ed33c3ee2cf0be12e34e
        • MD5 SHA1 SHA512 SSDEEP TLSH
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