Overview

overview

9

Static

static

3

4779e6ebc6...96.exe

windows7-x64

9

4779e6ebc6...96.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    150s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    27-07-2024 21:47

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General

  • Target

    4779e6ebc64484bd3b39356b7ef8f825a417129107822eed5049cb2848ba7e96.exe

  • Size

    220KB

  • MD5

    c081629b0b8f89a3af3f84c9fe1d9de8

  • SHA1

    bdb1701ac91ca314c70805d5714b7edc24d226d7

  • SHA256

    4779e6ebc64484bd3b39356b7ef8f825a417129107822eed5049cb2848ba7e96

  • SHA512

    9d38e82b7d1c9f282451b45eeb7f629067a4954684434d1b53466854b1a78c3e747fc0c7c69c578adf64543e5ca31c39e295a3817493b6cd13c2d09e6dd0688b

  • SSDEEP

    3072:6+WpDfmRfmhz7RjnI52UhCMD98HpKI6GCLOwstyhZFChcssc56FUrgxvbSD4UQr0:wl7+EUhCw9GpKbShcHUak

Score
9/10
discoveryransomware

Malware Config

Signatures

  • Renames multiple (374) 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
  • 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\4779e6ebc64484bd3b39356b7ef8f825a417129107822eed5049cb2848ba7e96.exe
    "C:\Users\Admin\AppData\Local\Temp\4779e6ebc64484bd3b39356b7ef8f825a417129107822eed5049cb2848ba7e96.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2776
    • 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:2888
    • C:\Users\Admin\AppData\Local\Temp\_choco.exe
      "_choco.exe"
      2⤵
      • Executes dropped EXE
      PID:3068

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-2212144002-1172735686-1556890956-1000\desktop.ini.tmp
    Filesize

    78KB

    MD5

    afea53be6d7962c93f49246e85c65700

    SHA1

    f6ae6b0e007afd182653d9429ec076c4bf7b57eb

    SHA256

    90beb2cea97ac7db800398a81f13fbf66a9794d0673ce953f00a878350db83bc

    SHA512

    b4526cd451dc167c2e502cab6b1646c25d9f7113112b4a2fbe1568910b3db522252085329947440288961dfade3393ca883bead21e35dfaf182ca0733fa3e7f1

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  • C:\Windows\SysWOW64\Zombie.exe
    Filesize

    78KB

    MD5

    45f9aea3ddc41820597c24315bb0dd3d

    SHA1

    b07a48f75b7e648ec62696f2ab68e5efb40e47e9

    SHA256

    3c002fe87bdfcf60dd59b69023cbd3ccd4de1ea41144cc37fcb51955d7b5ac1f

    SHA512

    f6199a5c8fb6a3d304518df3cf73e03d2ed8cb34b8b4798e7262c38cdd44e4c90b5c2e91d96bb4966df3806bac2536b94be262d8a3113ec725ce8991ad5222c7

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

    142KB

    MD5

    81a7c181639679983efb07c2dea2ebd0

    SHA1

    93370e8e5cb0d89bf6786445f94dd02dbb84b574

    SHA256

    8320c7f90f65b48e4031b680506a9579751789ded4d90fa2fbfc2fb7db7e3ec8

    SHA512

    599cca13e527c92cdf88df06ed8a01eee1bc602c565ab69e251f7414e19833ce42f0453771bfdf27d16f9f70112835b599d26a6ed92901fdf86bbdf8adf4d2f7

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  • memory/3068-19-0x000007FEF59B3000-0x000007FEF59B4000-memory.dmp

    Filesize

    4KB

    Download

  • memory/3068-20-0x0000000000FB0000-0x0000000000FD8000-memory.dmp

    Filesize

    160KB

    Download