Overview

overview

9

Static

static

3

87a218d141...f3.exe

windows7-x64

9

87a218d141...f3.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    23/06/2024, 23:51

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General

  • Target

    87a218d141c61d1f3d88633d5f72c22b96c9e62737a622d75c74d525637f39f3.exe

  • Size

    502KB

  • MD5

    f4f58a4f9f829e8a848e2e90a21c6cc4

  • SHA1

    43a65e5c7d4a2be1cd24c3060732a13a0613b5e8

  • SHA256

    87a218d141c61d1f3d88633d5f72c22b96c9e62737a622d75c74d525637f39f3

  • SHA512

    709092131e2d0331bff10cb725c1ab9e1e8c529d8dc07e88735ab9703233de831e3ea50d0795a89baa70f33a239255bab0225ca6efd7709fc952a0f9a59b3927

  • SSDEEP

    6144:PEYrIOXsqmWzJrdc6GJRQUWGUA9PRWLiFSbE56FORFL:I2lWRPWhA9PRWg97

Score
9/10
ransomware

Malware Config

Signatures

  • Renames multiple (3979) 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 3 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\87a218d141c61d1f3d88633d5f72c22b96c9e62737a622d75c74d525637f39f3.exe
    "C:\Users\Admin\AppData\Local\Temp\87a218d141c61d1f3d88633d5f72c22b96c9e62737a622d75c74d525637f39f3.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:1516
    • C:\Windows\SysWOW64\Zombie.exe
      "C:\Windows\system32\Zombie.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      PID:1228
    • C:\Users\Admin\AppData\Local\Temp\_setup.exe
      "_setup.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:2976

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-481678230-3773327859-3495911762-1000\desktop.ini.tmp
    Filesize

    45KB

    MD5

    b5ad52330b3909d1fc8c7f8f80131371

    SHA1

    8ff3e72fb568673f50c0c66305e8270e69171b29

    SHA256

    2bffb99a326bf2867d6cbfd83aa84d3394fdc755d7be54a27a5af6f54f28a83a

    SHA512

    e182c112a3e683291662b490f47d628a9eada0478a8fe8ffa7e327406b483b3e61dbed8b6349ba7e664fc755c79952994fdab60da6ce2deaa6f779b8defd7e60

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  • \Users\Admin\AppData\Local\Temp\_setup.exe
    Filesize

    457KB

    MD5

    446366ca32877e2290d0bd8f22e11809

    SHA1

    b620d296d53566d9a07c1cabc92c50d0f5c4f34a

    SHA256

    4b76c0ea832d58966f824cfedb9a3831b1c286b13cc22d56e29dad7966847184

    SHA512

    edbb4cd70b9c372f827136db217087451732f83a34af854ff031a659e9aee0fe849c0005a38d2bd19f438f8277147101a577fa900b89e2e1f804b369134255cf

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  • \Windows\SysWOW64\Zombie.exe
    Filesize

    45KB

    MD5

    5da943d5defacbf3c7637db9d666199e

    SHA1

    893e468bc234b4341d91912321a704d3b1079e5f

    SHA256

    6021df60b1cbb78a6859f6d0d329a66877100343202255f45b7d677c5a41dd9c

    SHA512

    c987ca49057cb3ddb89c837d6a4786c2e0aa3fa0db17e2c35ccb3236c29e06b647ccbcfaa0fd4dfe07bd81c8a9ce8f28e06c8d0ca84125244e45b03d8440bb66

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