Analysis

  • max time kernel
    120s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    23-05-2024 02:11

General

  • Target

    267ba79460383fc16edef428843766d27f2fd70de33bbb47edd49494930944de.exe

  • Size

    720KB

  • MD5

    66a678f9407d8bf26869cdf2772c3810

  • SHA1

    26443b0859725049b49e06a2ce87389bb6299acd

  • SHA256

    267ba79460383fc16edef428843766d27f2fd70de33bbb47edd49494930944de

  • SHA512

    80b47e9cddd1467488b39971984f3cb1c52279cd5a7722f8ac7ae5748905dbe24310d7a3b90ae313a61dc78baae38105419b98195e81aff4fd8682700fe13269

  • SSDEEP

    12288:mdrLbDZaNRpuZhfaSdabz3LSryQEnxNwRFWf92AcpnLtwLltwFEPnSkR:oLDZMRpSf1iz2rJEnxNZfb6LtwLlt6EZ

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.privateemail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    chuks1422

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\267ba79460383fc16edef428843766d27f2fd70de33bbb47edd49494930944de.exe
    "C:\Users\Admin\AppData\Local\Temp\267ba79460383fc16edef428843766d27f2fd70de33bbb47edd49494930944de.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2188
    • C:\Users\Admin\AppData\Local\Temp\267ba79460383fc16edef428843766d27f2fd70de33bbb47edd49494930944de.exe
      "C:\Users\Admin\AppData\Local\Temp\267ba79460383fc16edef428843766d27f2fd70de33bbb47edd49494930944de.exe"
      2⤵
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2672

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab81A0.tmp

    Filesize

    68KB

    MD5

    29f65ba8e88c063813cc50a4ea544e93

    SHA1

    05a7040d5c127e68c25d81cc51271ffb8bef3568

    SHA256

    1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

    SHA512

    e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

  • C:\Users\Admin\AppData\Local\Temp\Tar81B3.tmp

    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • memory/2188-22-0x00000000742FE000-0x00000000742FF000-memory.dmp

    Filesize

    4KB

  • memory/2188-3-0x00000000005E0000-0x0000000000602000-memory.dmp

    Filesize

    136KB

  • memory/2188-4-0x0000000000490000-0x000000000049C000-memory.dmp

    Filesize

    48KB

  • memory/2188-5-0x0000000000600000-0x0000000000610000-memory.dmp

    Filesize

    64KB

  • memory/2188-6-0x00000000050B0000-0x0000000005136000-memory.dmp

    Filesize

    536KB

  • memory/2188-1-0x0000000001110000-0x00000000011C6000-memory.dmp

    Filesize

    728KB

  • memory/2188-2-0x00000000742F0000-0x00000000749DE000-memory.dmp

    Filesize

    6.9MB

  • memory/2188-25-0x00000000742F0000-0x00000000749DE000-memory.dmp

    Filesize

    6.9MB

  • memory/2188-0-0x00000000742FE000-0x00000000742FF000-memory.dmp

    Filesize

    4KB

  • memory/2672-23-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2672-19-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2672-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2672-17-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2672-24-0x00000000742F0000-0x00000000749DE000-memory.dmp

    Filesize

    6.9MB

  • memory/2672-9-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2672-11-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2672-26-0x00000000742F0000-0x00000000749DE000-memory.dmp

    Filesize

    6.9MB

  • memory/2672-13-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2672-8-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2672-61-0x00000000742F0000-0x00000000749DE000-memory.dmp

    Filesize

    6.9MB