Analysis

  • max time kernel
    133s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/08/2024, 01:43

General

  • Target

    QUOTATION FOR NOVERBER.exe

  • Size

    571KB

  • MD5

    e05f2cd84e4e9a44fc5c7367b8b66549

  • SHA1

    c9b3e5401d4dd2cb0177c2724f249f49851e6908

  • SHA256

    25f75aeaa9ff41505c50384218858fcbb23fe4559e82fd6d670ceeaece9684f1

  • SHA512

    9190f2646e63551cebcad40d6e2cbbd4b803ab8cfea510a2f1701b78c7e587b2082689241eea22142cafdabd7771ac339e45b06edd21e04706fbc210107f246a

  • SSDEEP

    12288:Zzos6Ibw8eGYUTRCa5y6jFAh0vL3C0ASmX2R/BtjqJFTP:ZPdbw8eGt/5y6jFAeL3C0hmX2Rptjq

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.grodno.by
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    9qd8$2NonPD

Signatures

  • AgentTesla

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

  • AgentTesla payload 1 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\QUOTATION FOR NOVERBER.exe
    "C:\Users\Admin\AppData\Local\Temp\QUOTATION FOR NOVERBER.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5072
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XxvILxuygLiyfK" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB07.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4328
    • C:\Users\Admin\AppData\Local\Temp\QUOTATION FOR NOVERBER.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:4972

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\QUOTATION FOR NOVERBER.exe.log

    Filesize

    774B

    MD5

    5d29b96c4ac0400552b91789a7fe0797

    SHA1

    db424fa3ce9c3e2191c70e5c0cea321d727c41fb

    SHA256

    14f3acc1e3d866a5f3a13b82c526b6cafb5015082038b11279ce3f62d4b7d5d2

    SHA512

    3d10394d39feca7b1c17be3c7bc7197b3b739ef004160113c5123056e22981d5c21fc7c4b84fd69572c2c1a7207d4deac9bdd2b70c17ab34e4b9be860d4f2e53

  • C:\Users\Admin\AppData\Local\Temp\tmpB07.tmp

    Filesize

    1KB

    MD5

    82386e67f88ea9b997e64d83acc81c22

    SHA1

    7cb708fe1b7d724ce6b96763dd21ad85058b53bc

    SHA256

    1821296a1844f5815cc10530f0234c556b3a0e3d67a77f40645d271d4c2582d0

    SHA512

    fa8fbf23c41f495e6f7806741b641160c07b0f19edfc689a70aacd0b757dec6f2797d71b9ed758cfba35d26d09bde069db7d096429639d190d0af16f34d4c9db

  • memory/4972-15-0x00000000754D0000-0x0000000075A81000-memory.dmp

    Filesize

    5.7MB

  • memory/4972-14-0x00000000754D0000-0x0000000075A81000-memory.dmp

    Filesize

    5.7MB

  • memory/4972-19-0x00000000754D0000-0x0000000075A81000-memory.dmp

    Filesize

    5.7MB

  • memory/4972-18-0x00000000754D0000-0x0000000075A81000-memory.dmp

    Filesize

    5.7MB

  • memory/4972-17-0x00000000754D0000-0x0000000075A81000-memory.dmp

    Filesize

    5.7MB

  • memory/4972-16-0x00000000754D0000-0x0000000075A81000-memory.dmp

    Filesize

    5.7MB

  • memory/4972-9-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/4972-12-0x00000000754D0000-0x0000000075A81000-memory.dmp

    Filesize

    5.7MB

  • memory/5072-2-0x00000000754D0000-0x0000000075A81000-memory.dmp

    Filesize

    5.7MB

  • memory/5072-13-0x00000000754D0000-0x0000000075A81000-memory.dmp

    Filesize

    5.7MB

  • memory/5072-0-0x00000000754D2000-0x00000000754D3000-memory.dmp

    Filesize

    4KB

  • memory/5072-1-0x00000000754D0000-0x0000000075A81000-memory.dmp

    Filesize

    5.7MB

  • memory/5072-3-0x00000000754D2000-0x00000000754D3000-memory.dmp

    Filesize

    4KB

  • memory/5072-5-0x00000000754D0000-0x0000000075A81000-memory.dmp

    Filesize

    5.7MB

  • memory/5072-4-0x00000000754D0000-0x0000000075A81000-memory.dmp

    Filesize

    5.7MB