Overview

overview

7

Static

static

3

b8bf1770de...83.exe

windows7-x64

7

b8bf1770de...83.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    149s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/06/2024, 19:30

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General

  • Target

    b8bf1770ded4d1ed069ca68fccd546f6cd787140682f05923124484b27610d83.exe

  • Size

    1.1MB

  • MD5

    b5695c1908b842bc2f7322413f7dd5b0

  • SHA1

    bcd395eb41646a7c456cf70c7e520882b5f54ded

  • SHA256

    b8bf1770ded4d1ed069ca68fccd546f6cd787140682f05923124484b27610d83

  • SHA512

    a960ff47919dc94855f4979d9373618754eeda9c38efb0b6fca4d98ad0a179f2bc4aa6e612c8f44d1d88f6b5cd8e1f6df33d49a0ebdf11423cde75cf2fb73939

  • SSDEEP

    24576:aH0dl8myX9Bg42QoXFkrzkmplSgRDYo0lG4Z8r7Qfbkiu5QQ:acallSllG4ZM7QzM3

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 5 IoCs

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

  • Deletes itself 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b8bf1770ded4d1ed069ca68fccd546f6cd787140682f05923124484b27610d83.exe
    "C:\Users\Admin\AppData\Local\Temp\b8bf1770ded4d1ed069ca68fccd546f6cd787140682f05923124484b27610d83.exe"
    1⤵
    • Checks computer location settings
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3660
    • 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:2216
      • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
        3⤵
        • Checks computer location settings
        • Deletes itself
        • Executes dropped EXE
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3032
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
          4⤵
          • Checks computer location settings
          • Modifies registry class
          • Suspicious use of WriteProcessMemory
          PID:444
          • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
            "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:2200
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
          4⤵
          • Checks computer location settings
          • Modifies registry class
          • Suspicious use of WriteProcessMemory
          PID:4904
          • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
            "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:1180

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Config.ini
    Filesize

    92B

    MD5

    67b9b3e2ded7086f393ebbc36c5e7bca

    SHA1

    e6299d0450b9a92a18cc23b5704a2b475652c790

    SHA256

    44063c266686263f14cd2a83fee124fb3e61a9171a6aab69709464f49511011d

    SHA512

    826fbc9481f46b1ae3db828a665c55c349023caf563e6e8c17321f5f3af3e4c3914955db6f0eebfc6defe561315435d47310b4d0499ab9c2c85bb61264dedc09

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

    696B

    MD5

    423a0fabd3a9fd2cbedc3aba67c69650

    SHA1

    880097557ac6718e93822ac7efc9a3e2986c51de

    SHA256

    d77f549afde3b88ac747c3d0dee3069f914fac77b572ae08737ffc05f696491b

    SHA512

    c65d3db8250c7885b05075ebc3485db4506dde6c435247ad6a86e9085d59b039f4629583b327662a2eb40c79bc135d5d17b5bfb01f63ee02726aa57ecd7ed139

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

    753B

    MD5

    ed7ead492b221e7d721b0ef69e3ebe3a

    SHA1

    2fa45cd6fc06e8af0ee41dcf1a3b4d9c26844462

    SHA256

    4533e561d7bf22ec8e9f7b6cbef6518ae3535add4580ece2ff3346914e465871

    SHA512

    8f7f7a90c40a12c0f50a32918a171b2e0601d98bdf78fc0bed2742b7d14f22e32df01725bc02ca87b822c4c4f13001827fb1f6bbf037a3fd0b4d1fcd204c8a57

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

    1.1MB

    MD5

    9acddfbe94222e09590fec2b727c943b

    SHA1

    0ead51bc6ad7ede3a10458868fb8098419678b81

    SHA256

    df28bdcc2467633df8329c6e931037acaad8902c3c3ddc9dab4d33cb8fef8ab3

    SHA512

    2f17ebe139e4deab5450f7146f44186bf781f6da0fa4c17eabbba86dc10205cb57de82672f69ff7e89c52ddd4b033299df6fa7315e5beeb71d950153ae8edbde

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

    1.1MB

    MD5

    fef6b0dbec38f18629176c3d7eac63b2

    SHA1

    6c1251377c6b58c74eabd6bcd54cf2c9057aea0b

    SHA256

    f558d11ddf8d997dc6189e75c1312e448e178073cbce0aa12ebfb98b50cc3839

    SHA512

    bac8447521d89735addcde43b97cc859622b03e2f3ac43fb1e39cbb1ad9f8319de03da7c8153b7bf46c48c4b39fc654437837c8e56849dcadd68448403510e01

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  • memory/1180-26-0x0000000000400000-0x000000000055F000-memory.dmp

    Filesize

    1.4MB

    Download

  • memory/1180-29-0x0000000000400000-0x000000000055F000-memory.dmp

    Filesize

    1.4MB

    Download

  • memory/2200-28-0x0000000000400000-0x000000000055F000-memory.dmp

    Filesize

    1.4MB

    Download

  • memory/3032-12-0x0000000000400000-0x000000000055F000-memory.dmp

    Filesize

    1.4MB

    Download

  • memory/3032-23-0x0000000000400000-0x000000000055F000-memory.dmp

    Filesize

    1.4MB

    Download

  • memory/3660-0-0x0000000000400000-0x000000000055F000-memory.dmp

    Filesize

    1.4MB

    Download

  • memory/3660-9-0x0000000000400000-0x000000000055F000-memory.dmp

    Filesize

    1.4MB

    Download