Overview

overview

7

Static

static

3

b3fc04b343...a9.exe

windows7-x64

7

b3fc04b343...a9.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    108s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-07-2024 21:08

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General

  • Target

    b3fc04b343629f20e3585c8b9df5796d27db479607a3c86ca838b56234d2d8a9.exe

  • Size

    1.1MB

  • MD5

    579b0058d6e634e57449ca00f9e5fdab

  • SHA1

    77e81ea389e7aa91bd0f0f3edf7c5216f72950e3

  • SHA256

    b3fc04b343629f20e3585c8b9df5796d27db479607a3c86ca838b56234d2d8a9

  • SHA512

    391cd5d9bc1ed28ec8e4dc108ee80cc5adb8394399a66655584633187d902803c85bef1da24826c89580dc5a13a15621a521a154686e06f08960248bbc357443

  • SSDEEP

    24576:CH0dl8myX9Bg42QoXFkrzkmmlSgRDko0lG4Z8r7Qfbkiu5Qh:CcaClSFlG4ZM7QzMC

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 3 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies registry class 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b3fc04b343629f20e3585c8b9df5796d27db479607a3c86ca838b56234d2d8a9.exe
    "C:\Users\Admin\AppData\Local\Temp\b3fc04b343629f20e3585c8b9df5796d27db479607a3c86ca838b56234d2d8a9.exe"
    1⤵
    • Checks computer location settings
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3148
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
      2⤵
      • Checks computer location settings
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:4408
      • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:1028
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
      2⤵
      • Checks computer location settings
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:4744
      • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:3332

Network

MITRE ATT&CK Enterprise v15

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs
    Filesize

    753B

    MD5

    b14369e17f56fa5531afccfb3d460838

    SHA1

    f7226cc841dba0d597ed79d5541790bf69385266

    SHA256

    116c4b40f3741ee0aff236f9827c80002ae3341e652255f50b63f0b7901605be

    SHA512

    4b50fff1d89ba642abccc585d1c36ce20447c613c2ac474f8406cd3a08f9c96b0780a91bae49f2d3dc90052d6e4ec97ec67dda326bb9abd1e635b13757c0a494

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  • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
    Filesize

    1.1MB

    MD5

    43cc6ea1d828fe54d2fef2c9bab3a438

    SHA1

    da064a622d250486717c68c896c992ec7f2607ae

    SHA256

    9281d2bef070ef6704d855e5331a6c990bef799a6177652c79b5536dd0bddbef

    SHA512

    943db8b70cbe0d6852f827965b9ae6f02eb6fbdc9826b2ecdbbdaa5f52bf7177d060b8e24a3a178b370fe80eee4f49698e33dc3efd181101c0440a8c87eee81c

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  • memory/3148-10-0x0000000000400000-0x0000000000551000-memory.dmp

    Filesize

    1.3MB

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