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Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/11/2024, 01:29

General

  • Target

    db2b8762c3c51cd44020ad2ed98b2c33fbb42790ad19102d40f7b26c7d926e50.exe

  • Size

    732KB

  • MD5

    3ba253ac322baa4f0650dd2ef5587269

  • SHA1

    340686bcc9386bbf12731327d2aa3a2587d08642

  • SHA256

    db2b8762c3c51cd44020ad2ed98b2c33fbb42790ad19102d40f7b26c7d926e50

  • SHA512

    b636f6d8008cc8fda86b43402655afea6246c68c5609f3c1ab43f5f32b689f50f8c50cbafcc0cefad9833ce9c89510aa18219aa33969ab2dcd8b0020053f8452

  • SSDEEP

    12288:z8gwWtAGarMonHpuRQJhVKoA1EWDjUX5CVMqWUKtk8yM+bRE68k2OOre7VEnphjD:OrMoneQ5KR4X4VlNP9dQH

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    enugu042

Signatures

  • AgentTesla

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

  • Agenttesla family
  • AgentTesla payload 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
  • 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 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\db2b8762c3c51cd44020ad2ed98b2c33fbb42790ad19102d40f7b26c7d926e50.exe
    "C:\Users\Admin\AppData\Local\Temp\db2b8762c3c51cd44020ad2ed98b2c33fbb42790ad19102d40f7b26c7d926e50.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:372
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rwbSibT" /XML "C:\Users\Admin\AppData\Local\Temp\tmp36F9.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1700
    • C:\Users\Admin\AppData\Local\Temp\db2b8762c3c51cd44020ad2ed98b2c33fbb42790ad19102d40f7b26c7d926e50.exe
      "C:\Users\Admin\AppData\Local\Temp\db2b8762c3c51cd44020ad2ed98b2c33fbb42790ad19102d40f7b26c7d926e50.exe"
      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:2632

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\db2b8762c3c51cd44020ad2ed98b2c33fbb42790ad19102d40f7b26c7d926e50.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/372-10-0x00000000027D0000-0x0000000002830000-memory.dmp

    Filesize

    384KB

  • memory/372-1-0x0000000000380000-0x000000000043E000-memory.dmp

    Filesize

    760KB

  • memory/372-3-0x0000000007350000-0x00000000073E2000-memory.dmp

    Filesize

    584KB

  • memory/372-4-0x00000000750C0000-0x0000000075870000-memory.dmp

    Filesize

    7.7MB

  • memory/372-5-0x0000000007310000-0x000000000731A000-memory.dmp

    Filesize

    40KB

  • memory/372-6-0x00000000075F0000-0x00000000075FE000-memory.dmp

    Filesize

    56KB

  • memory/372-7-0x00000000750CE000-0x00000000750CF000-memory.dmp

    Filesize

    4KB

  • memory/372-8-0x00000000750C0000-0x0000000075870000-memory.dmp

    Filesize

    7.7MB

  • memory/372-9-0x0000000008EB0000-0x0000000008F4C000-memory.dmp

    Filesize

    624KB

  • memory/372-20-0x00000000750C0000-0x0000000075870000-memory.dmp

    Filesize

    7.7MB

  • memory/372-2-0x0000000007860000-0x0000000007E04000-memory.dmp

    Filesize

    5.6MB

  • memory/372-0-0x00000000750CE000-0x00000000750CF000-memory.dmp

    Filesize

    4KB

  • memory/2632-16-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2632-19-0x00000000750C0000-0x0000000075870000-memory.dmp

    Filesize

    7.7MB

  • memory/2632-21-0x00000000750C0000-0x0000000075870000-memory.dmp

    Filesize

    7.7MB

  • memory/2632-22-0x0000000005300000-0x0000000005318000-memory.dmp

    Filesize

    96KB

  • memory/2632-23-0x0000000005F90000-0x0000000005FF6000-memory.dmp

    Filesize

    408KB

  • memory/2632-24-0x00000000750C0000-0x0000000075870000-memory.dmp

    Filesize

    7.7MB

  • memory/2632-25-0x00000000750C0000-0x0000000075870000-memory.dmp

    Filesize

    7.7MB

  • memory/2632-26-0x0000000006440000-0x0000000006490000-memory.dmp

    Filesize

    320KB

  • memory/2632-27-0x00000000750C0000-0x0000000075870000-memory.dmp

    Filesize

    7.7MB

  • memory/2632-28-0x00000000750C0000-0x0000000075870000-memory.dmp

    Filesize

    7.7MB