Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-11-2024 01:22

General

  • Target

    4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe

  • Size

    601KB

  • MD5

    6f6a23b1046687ad8c12037fe57cd60b

  • SHA1

    25356daf8b5721b73af988148dfba4a91e8cf7fc

  • SHA256

    4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54

  • SHA512

    db806dacf8d825bcdc3555b1637e49fd609140b70a5187c3904d92b75b360bb968c5be835c8ef383e66740cc5f14a030b497ad4701cd64f9d0a66f641215236f

  • SSDEEP

    12288:VRX4+E+eG8iIcxs+S/2nX57WHeWHOfOaK1lOLFM/0f3S09PbtunPnXbuCAiyNvan:Vh4QeSxs+S6XBTWuWaK1gN+N

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.diva-italia.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    rr.@%5LjgLz7

Signatures

  • AgentTesla

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

  • Agenttesla family
  • AgentTesla payload 1 IoCs
  • Drops file in Drivers directory 1 IoCs
  • 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 3 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
  • Adds Run key to start application 2 TTPs 1 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe
    "C:\Users\Admin\AppData\Local\Temp\4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.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:4796
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jAhDFpkzATjOFr" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFB38.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:764
    • C:\Users\Admin\AppData\Local\Temp\4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe
      "{path}"
      2⤵
        PID:3720
      • C:\Users\Admin\AppData\Local\Temp\4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe
        "{path}"
        2⤵
        • Drops file in Drivers directory
        • Accesses Microsoft Outlook profiles
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:3480

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • C:\Users\Admin\AppData\Local\Temp\tmpFB38.tmp

      Filesize

      1KB

      MD5

      0d726e7cb9f0c7485e8fb457ed2fdab5

      SHA1

      5df1b5070cc85c43b3b3fcbdc1de011cd37678c9

      SHA256

      b8e63c300057f8b3c472698d7d41fd82e94b4127a4fb90d24b6a2bdc7036f263

      SHA512

      daab200dc97abae57b444a1c124f2c79ac98a07494494877cb7a7506469155bb0dd4e9b61690c43a7867a508ec7b25d096dd24f6643dd4baa5d9bd603e8100ab

    • memory/3480-21-0x0000000005D50000-0x0000000005D68000-memory.dmp

      Filesize

      96KB

    • memory/3480-29-0x0000000075320000-0x0000000075AD0000-memory.dmp

      Filesize

      7.7MB

    • memory/3480-15-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/3480-28-0x0000000075320000-0x0000000075AD0000-memory.dmp

      Filesize

      7.7MB

    • memory/3480-27-0x00000000017A0000-0x00000000017F0000-memory.dmp

      Filesize

      320KB

    • memory/3480-24-0x0000000075320000-0x0000000075AD0000-memory.dmp

      Filesize

      7.7MB

    • memory/3480-23-0x0000000075320000-0x0000000075AD0000-memory.dmp

      Filesize

      7.7MB

    • memory/3480-22-0x00000000066E0000-0x0000000006746000-memory.dmp

      Filesize

      408KB

    • memory/3480-20-0x0000000075320000-0x0000000075AD0000-memory.dmp

      Filesize

      7.7MB

    • memory/3480-18-0x0000000075320000-0x0000000075AD0000-memory.dmp

      Filesize

      7.7MB

    • memory/4796-8-0x000000007532E000-0x000000007532F000-memory.dmp

      Filesize

      4KB

    • memory/4796-4-0x0000000004F40000-0x0000000004F4A000-memory.dmp

      Filesize

      40KB

    • memory/4796-11-0x00000000060E0000-0x000000000611E000-memory.dmp

      Filesize

      248KB

    • memory/4796-19-0x0000000075320000-0x0000000075AD0000-memory.dmp

      Filesize

      7.7MB

    • memory/4796-1-0x0000000000AD0000-0x0000000000B6C000-memory.dmp

      Filesize

      624KB

    • memory/4796-10-0x0000000005BA0000-0x0000000005C24000-memory.dmp

      Filesize

      528KB

    • memory/4796-0-0x000000007532E000-0x000000007532F000-memory.dmp

      Filesize

      4KB

    • memory/4796-9-0x0000000075320000-0x0000000075AD0000-memory.dmp

      Filesize

      7.7MB

    • memory/4796-3-0x0000000007A50000-0x0000000007AE2000-memory.dmp

      Filesize

      584KB

    • memory/4796-7-0x00000000056E0000-0x000000000577C000-memory.dmp

      Filesize

      624KB

    • memory/4796-6-0x0000000005630000-0x0000000005638000-memory.dmp

      Filesize

      32KB

    • memory/4796-5-0x0000000075320000-0x0000000075AD0000-memory.dmp

      Filesize

      7.7MB

    • memory/4796-2-0x0000000007F60000-0x0000000008504000-memory.dmp

      Filesize

      5.6MB