Analysis

  • max time kernel
    120s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/07/2024, 01:54

General

  • Target

    7fe76745abd0ab81bfbb60d8916688336c110d992616103bf09522b3d4a833ee.exe

  • Size

    616KB

  • MD5

    d747df15d352b847cc7412ee379347c7

  • SHA1

    f271c1a2f2b58fddb0f77d9f52d79681ec158f8c

  • SHA256

    7fe76745abd0ab81bfbb60d8916688336c110d992616103bf09522b3d4a833ee

  • SHA512

    c6cc63a75bf9818f5af40df6b4da87b0bc63f5d78e31b965220f1e5be819c7f308600f7688b41b6827dc387823b0e6fa93842ee7b8ff642875e6cbbbb5cf867d

  • SSDEEP

    12288:SDHNkAdyIa/kj/RuSD46L5Mh/DNTgHHof4mE+3z9LrxJuI:K6Ia/K/RuSpCFD5mHofOSpPxx

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    !feanyi#@12

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • 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.

  • 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
  • Enumerates physical storage devices 1 TTPs

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

  • 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 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7fe76745abd0ab81bfbb60d8916688336c110d992616103bf09522b3d4a833ee.exe
    "C:\Users\Admin\AppData\Local\Temp\7fe76745abd0ab81bfbb60d8916688336c110d992616103bf09522b3d4a833ee.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3972
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\7fe76745abd0ab81bfbb60d8916688336c110d992616103bf09522b3d4a833ee.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:984
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\zAPhvlQi.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4176
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zAPhvlQi" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEFEE.tmp"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:4776
    • C:\Users\Admin\AppData\Local\Temp\7fe76745abd0ab81bfbb60d8916688336c110d992616103bf09522b3d4a833ee.exe
      "C:\Users\Admin\AppData\Local\Temp\7fe76745abd0ab81bfbb60d8916688336c110d992616103bf09522b3d4a833ee.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3060

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

          Filesize

          18KB

          MD5

          41f38ad156daf58d90417a96cb6f3c09

          SHA1

          fbe3e01cfb49371149c332d06317580c7223bb08

          SHA256

          3894fce78b2c0ee0f94fc14c1e09278e3ab34886bd94700cc0bce5fbb43f4bd5

          SHA512

          598a81476c66721ee745b75af713175d146baee7079222ab54404cd00f404715913e6faf8cf0862cf4a145d21c4e62d69cf9b75275fa073d95e78cdce3a77128

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_evfcsqsr.dzs.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

          Filesize

          1KB

          MD5

          50d26610e9487ce8775785edde6485d1

          SHA1

          6bd96aa20c0a14e66062179e06dc045704f3bd10

          SHA256

          862e10b80e478b692b0acaa5dad98bfc5d57ed9b4e99f1802b10a1dfed5e6ea1

          SHA512

          41b82228740d67352476e7ad037f138b6c2919217a7e1a5a675557bee2f4da8aea4602105b48bcb2b5f4debe2aebea8d4e82fa532e06e0b11e398ed41c6cec3d

        • memory/984-52-0x000000006F930000-0x000000006F97C000-memory.dmp

          Filesize

          304KB

        • memory/984-24-0x00000000061D0000-0x0000000006236000-memory.dmp

          Filesize

          408KB

        • memory/984-81-0x0000000007E90000-0x0000000007EAA000-memory.dmp

          Filesize

          104KB

        • memory/984-80-0x0000000007D90000-0x0000000007DA4000-memory.dmp

          Filesize

          80KB

        • memory/984-79-0x0000000007D80000-0x0000000007D8E000-memory.dmp

          Filesize

          56KB

        • memory/984-78-0x0000000007D50000-0x0000000007D61000-memory.dmp

          Filesize

          68KB

        • memory/984-77-0x0000000007DD0000-0x0000000007E66000-memory.dmp

          Filesize

          600KB

        • memory/984-76-0x0000000007BC0000-0x0000000007BCA000-memory.dmp

          Filesize

          40KB

        • memory/984-15-0x0000000002F00000-0x0000000002F36000-memory.dmp

          Filesize

          216KB

        • memory/984-16-0x0000000074B00000-0x00000000752B0000-memory.dmp

          Filesize

          7.7MB

        • memory/984-17-0x0000000005A80000-0x00000000060A8000-memory.dmp

          Filesize

          6.2MB

        • memory/984-18-0x0000000074B00000-0x00000000752B0000-memory.dmp

          Filesize

          7.7MB

        • memory/984-19-0x0000000074B00000-0x00000000752B0000-memory.dmp

          Filesize

          7.7MB

        • memory/984-75-0x0000000007B50000-0x0000000007B6A000-memory.dmp

          Filesize

          104KB

        • memory/984-74-0x00000000081A0000-0x000000000881A000-memory.dmp

          Filesize

          6.5MB

        • memory/984-21-0x0000000005790000-0x00000000057B2000-memory.dmp

          Filesize

          136KB

        • memory/984-63-0x0000000007820000-0x00000000078C3000-memory.dmp

          Filesize

          652KB

        • memory/984-23-0x00000000060B0000-0x0000000006116000-memory.dmp

          Filesize

          408KB

        • memory/984-62-0x0000000006D50000-0x0000000006D6E000-memory.dmp

          Filesize

          120KB

        • memory/984-31-0x0000000006240000-0x0000000006594000-memory.dmp

          Filesize

          3.3MB

        • memory/984-82-0x0000000007E70000-0x0000000007E78000-memory.dmp

          Filesize

          32KB

        • memory/984-51-0x00000000077E0000-0x0000000007812000-memory.dmp

          Filesize

          200KB

        • memory/984-86-0x0000000074B00000-0x00000000752B0000-memory.dmp

          Filesize

          7.7MB

        • memory/984-50-0x0000000006DD0000-0x0000000006E1C000-memory.dmp

          Filesize

          304KB

        • memory/984-48-0x0000000006810000-0x000000000682E000-memory.dmp

          Filesize

          120KB

        • memory/3060-38-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/3060-88-0x0000000006E30000-0x0000000006E80000-memory.dmp

          Filesize

          320KB

        • memory/3972-9-0x0000000005010000-0x000000000501E000-memory.dmp

          Filesize

          56KB

        • memory/3972-4-0x0000000004DC0000-0x0000000004DCA000-memory.dmp

          Filesize

          40KB

        • memory/3972-0-0x0000000074B0E000-0x0000000074B0F000-memory.dmp

          Filesize

          4KB

        • memory/3972-49-0x0000000074B00000-0x00000000752B0000-memory.dmp

          Filesize

          7.7MB

        • memory/3972-2-0x0000000005100000-0x00000000056A4000-memory.dmp

          Filesize

          5.6MB

        • memory/3972-1-0x0000000000190000-0x0000000000230000-memory.dmp

          Filesize

          640KB

        • memory/3972-10-0x0000000006080000-0x0000000006102000-memory.dmp

          Filesize

          520KB

        • memory/3972-3-0x0000000004C10000-0x0000000004CA2000-memory.dmp

          Filesize

          584KB

        • memory/3972-8-0x0000000004EE0000-0x0000000004EE8000-memory.dmp

          Filesize

          32KB

        • memory/3972-7-0x0000000004EB0000-0x0000000004EC2000-memory.dmp

          Filesize

          72KB

        • memory/3972-6-0x0000000074B00000-0x00000000752B0000-memory.dmp

          Filesize

          7.7MB

        • memory/3972-5-0x0000000004EF0000-0x0000000004F8C000-memory.dmp

          Filesize

          624KB

        • memory/4176-32-0x0000000074B00000-0x00000000752B0000-memory.dmp

          Filesize

          7.7MB

        • memory/4176-64-0x000000006F930000-0x000000006F97C000-memory.dmp

          Filesize

          304KB

        • memory/4176-25-0x0000000074B00000-0x00000000752B0000-memory.dmp

          Filesize

          7.7MB

        • memory/4176-87-0x0000000074B00000-0x00000000752B0000-memory.dmp

          Filesize

          7.7MB

        • memory/4176-20-0x0000000074B00000-0x00000000752B0000-memory.dmp

          Filesize

          7.7MB