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Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    16/10/2023, 18:27

General

  • Target

    NEAS.83a8a7b29048d419275a10303718dae0.exe

  • Size

    805KB

  • MD5

    83a8a7b29048d419275a10303718dae0

  • SHA1

    b2c7d2671daf954227f90b1a114743658099ebf3

  • SHA256

    13181e4361e4e628d33b37faec2e099a876f2095b446315e782d91aa5704fa11

  • SHA512

    4ab78f05c3d6dd6789844af4def740939411c3f02ba3d3f61e2569cda29760612452c6815582b91bf2e1503c79cff0a7ba48a3520dabbf2b66c7add8266c7a81

  • SSDEEP

    12288:xC0MAbf2nxJusgtYAzH05QuDjY6i98GMUI2d+8zcULGaOYbwjs/WqAmPxE0a:DMACxJPeML8j7tzjLGFjs/WqAsW0a

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.83a8a7b29048d419275a10303718dae0.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.83a8a7b29048d419275a10303718dae0.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2112
    • C:\Users\Admin\AppData\Local\Temp\WAOpTqRB8vEjbCl.exe
      C:\Users\Admin\AppData\Local\Temp\WAOpTqRB8vEjbCl.exe
      2⤵
      • Executes dropped EXE
      PID:2964
    • C:\Windows\CTS.exe
      "C:\Windows\CTS.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:2620

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\WAOpTqRB8vEjbCl.exe

    Filesize

    734KB

    MD5

    7d65d4df4668d117f25e083dd9dda24a

    SHA1

    d8b1bb64a08b0c4b42f8f63a630201d423ad30bd

    SHA256

    d0172a34261ca453ee63ad0ad54c56800433d3ffedfaef23ff3c9858a5a10edd

    SHA512

    044f00d942b5964f940ad23c0030fff97b169dec5f510a1d5ef62af7cfd7e189d936a0414c5b280e7421f4949ecaff6d307fec39f1cbf02a575edb89ebc04bdd

  • C:\Users\Admin\AppData\Local\Temp\WAOpTqRB8vEjbCl.exe

    Filesize

    734KB

    MD5

    7d65d4df4668d117f25e083dd9dda24a

    SHA1

    d8b1bb64a08b0c4b42f8f63a630201d423ad30bd

    SHA256

    d0172a34261ca453ee63ad0ad54c56800433d3ffedfaef23ff3c9858a5a10edd

    SHA512

    044f00d942b5964f940ad23c0030fff97b169dec5f510a1d5ef62af7cfd7e189d936a0414c5b280e7421f4949ecaff6d307fec39f1cbf02a575edb89ebc04bdd

  • C:\Windows\CTS.exe

    Filesize

    71KB

    MD5

    f9d4ab0a726adc9b5e4b7d7b724912f1

    SHA1

    3d42ca2098475924f70ee4a831c4f003b4682328

    SHA256

    b43be87e8586ca5e995979883468f3b3d9dc5212fbfd0b5f3341a5b7c56e0fbc

    SHA512

    22a5f0e4b2716244e978ee50771823926f86baf0382ece48fd049f039cf77b5eb0691d83c61148903cff081fdbea969f47b8ed521647717f42bbed5c64552432

  • C:\Windows\CTS.exe

    Filesize

    71KB

    MD5

    f9d4ab0a726adc9b5e4b7d7b724912f1

    SHA1

    3d42ca2098475924f70ee4a831c4f003b4682328

    SHA256

    b43be87e8586ca5e995979883468f3b3d9dc5212fbfd0b5f3341a5b7c56e0fbc

    SHA512

    22a5f0e4b2716244e978ee50771823926f86baf0382ece48fd049f039cf77b5eb0691d83c61148903cff081fdbea969f47b8ed521647717f42bbed5c64552432

  • C:\Windows\CTS.exe

    Filesize

    71KB

    MD5

    f9d4ab0a726adc9b5e4b7d7b724912f1

    SHA1

    3d42ca2098475924f70ee4a831c4f003b4682328

    SHA256

    b43be87e8586ca5e995979883468f3b3d9dc5212fbfd0b5f3341a5b7c56e0fbc

    SHA512

    22a5f0e4b2716244e978ee50771823926f86baf0382ece48fd049f039cf77b5eb0691d83c61148903cff081fdbea969f47b8ed521647717f42bbed5c64552432

  • \Users\Admin\AppData\Local\Temp\WAOpTqRB8vEjbCl.exe

    Filesize

    734KB

    MD5

    7d65d4df4668d117f25e083dd9dda24a

    SHA1

    d8b1bb64a08b0c4b42f8f63a630201d423ad30bd

    SHA256

    d0172a34261ca453ee63ad0ad54c56800433d3ffedfaef23ff3c9858a5a10edd

    SHA512

    044f00d942b5964f940ad23c0030fff97b169dec5f510a1d5ef62af7cfd7e189d936a0414c5b280e7421f4949ecaff6d307fec39f1cbf02a575edb89ebc04bdd

  • \Users\Admin\AppData\Local\Temp\WAOpTqRB8vEjbCl.exe

    Filesize

    734KB

    MD5

    7d65d4df4668d117f25e083dd9dda24a

    SHA1

    d8b1bb64a08b0c4b42f8f63a630201d423ad30bd

    SHA256

    d0172a34261ca453ee63ad0ad54c56800433d3ffedfaef23ff3c9858a5a10edd

    SHA512

    044f00d942b5964f940ad23c0030fff97b169dec5f510a1d5ef62af7cfd7e189d936a0414c5b280e7421f4949ecaff6d307fec39f1cbf02a575edb89ebc04bdd