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Overview

overview

10

Static

static

3

42b6c18de4...bN.exe

windows7-x64

10

42b6c18de4...bN.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    120s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/11/2024, 00:54

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General

  • Target

    42b6c18de4ce9efe34e6551c3f99860658f508dee031bd12031dba704922607bN.exe

  • Size

    135KB

  • MD5

    d0a26b7e6362a2fcab740f2b2f1f9fc0

  • SHA1

    65079204050f5bb5721853c9e3ce7b63754d4fbc

  • SHA256

    42b6c18de4ce9efe34e6551c3f99860658f508dee031bd12031dba704922607b

  • SHA512

    25f7424ec363abdd0c571cd0a39b9389dd0f94fc7d715f71225fa40bdeac85908c08ccac40af2d11d93609e233f4aac120b7091d2c795afad2b041fc6de91d20

  • SSDEEP

    1536:UfsEqouTRcG/Mzvgf7xEuvnXNTRdUzwTekUOisZ1yDDajtXbVVgJ:UVqoCl/YgjxEufVU0TbTyDDalkJ

Score
10/10
discoveryevasionpersistence

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
    evasion
  • Executes dropped EXE 4 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
    persistence
  • Drops file in System32 directory 2 IoCs
  • Drops file in Windows directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\42b6c18de4ce9efe34e6551c3f99860658f508dee031bd12031dba704922607bN.exe
    "C:\Users\Admin\AppData\Local\Temp\42b6c18de4ce9efe34e6551c3f99860658f508dee031bd12031dba704922607bN.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4788
    • \??\c:\windows\resources\themes\explorer.exe
      c:\windows\resources\themes\explorer.exe
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in System32 directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4640
      • \??\c:\windows\resources\spoolsv.exe
        c:\windows\resources\spoolsv.exe SE
        3⤵
        • Executes dropped EXE
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3968
        • \??\c:\windows\resources\svchost.exe
          c:\windows\resources\svchost.exe
          4⤵
          • Modifies visiblity of hidden/system files in Explorer
          • Executes dropped EXE
          • Adds Run key to start application
          • Drops file in System32 directory
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1188
          • \??\c:\windows\resources\spoolsv.exe
            c:\windows\resources\spoolsv.exe PR
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious use of SetWindowsHookEx
            PID:1792

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\Resources\Themes\explorer.exe
    Filesize

    135KB

    MD5

    421b339804d388e62c80985ac0a5e9ea

    SHA1

    9ee534ec4cd5448cbd3befcaebdd44320639c740

    SHA256

    50c65e61fc54ba62a49a8e4a0026cc402d0697a0829499f1ff1abaab270388f7

    SHA512

    f3fae56c82ae0f14d2767282d780607c4c058a999a412a9c84b3611d0eabc806a041ffd726dfeb183c0b3deab0f58f43294c7b4ae12446fc546fe9d8ffd92d19

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  • C:\Windows\Resources\spoolsv.exe
    Filesize

    135KB

    MD5

    681f8a2d7f2d077351449308c9dd429e

    SHA1

    773bf05bffa84f4dd2378fc136b0836d18dedd39

    SHA256

    e2ae3c7c6c1951a17935c6c2e1c628342f5e1f93d31caa73105e4fffc7202707

    SHA512

    d43ef4ace8d01db15dbc3a564e585725f90c9d4cdf66ee39962c24acf6c040adebedfbf05ef1f4f2568c08f44b07807c9a7a1ab1ac3c9a19d1f912ef07902510

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  • C:\Windows\Resources\svchost.exe
    Filesize

    135KB

    MD5

    03254f15fa774be41a3fe97fdab76eb9

    SHA1

    39ba3cf8af5a2e8c927db0a3e8c164200f44fc91

    SHA256

    a870de3b5e953a8613d2585aaabedb42749812a4ac0a6aba9fd0f1a73072f5c7

    SHA512

    79329301d5e47b11aeaa7ac379b49be02803d843eb0736ae6651462652633e52ee70c42da8f11dc42ee6fe12ee09e8bb3a8cbb8148bc84ed2a1af8596038d8cf

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  • memory/1188-36-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

    Download

  • memory/1792-32-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

    Download

  • memory/3968-33-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

    Download

  • memory/4640-35-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

    Download

  • memory/4788-0-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

    Download

  • memory/4788-34-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

    Download