Overview

overview

9

Static

static

3

fdef5d5b65...d7.exe

windows7-x64

9

fdef5d5b65...d7.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    149s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    14/11/2024, 04:47

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General

  • Target
    fdef5d5b65f32f6dc538ce58f9a2a09af43d05e2ec94e2925a6a2d9b73aa3dd7.exe
  • Size 120KB
  • Sample241114-fe2g8avekr
  • SHA256 fdef5d5b65f32f6dc538ce58f9a2a09af43d05e2ec94e2925a6a2d9b73aa3dd7
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10
discoveryransomware

Malware Config

Signatures

  • Renames multiple (3505) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 64 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.

    discovery
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fdef5d5b65f32f6dc538ce58f9a2a09af43d05e2ec94e2925a6a2d9b73aa3dd7.exe
    "C:\Users\Admin\AppData\Local\Temp\fdef5d5b65f32f6dc538ce58f9a2a09af43d05e2ec94e2925a6a2d9b73aa3dd7.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2672
    • C:\Users\Admin\AppData\Local\Temp\_createdump.exe
      "_createdump.exe"
      2⤵
      • Executes dropped EXE
      PID:1704
    • C:\Windows\SysWOW64\Zombie.exe
      "C:\Windows\system32\Zombie.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      PID:2320

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        desktop.ini.tmp
        • Path C:\$Recycle.Bin\S-1-5-21-2872745919-2748461613-2989606286-1000\desktop.ini.tmp
        • Size 64KB
        • SHA256 b51d4627d44ba5e9747a96c2b4e361643f2bf9878abed74783cbb1c1dc134e25
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        _createdump.exe
        • Path \Users\Admin\AppData\Local\Temp\_createdump.exe
        • Size 56KB
        • SHA256 5113e7ae92f3a7aebc7f8e363209866d4d743b06a26c67e0886979a56fd3a10d
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        Zombie.exe
        • Path \Windows\SysWOW64\Zombie.exe
        • Size 63KB
        • SHA256 8171845db959efc50a2757c36627e100ce9ac500542d3fbb020a4440e40c33f4
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download