Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-11-2024 02:06

General

  • Target

    Bukti-Transfer.exe

  • Size

    826KB

  • MD5

    37e06c2bc98981aeb96dd602ab30469d

  • SHA1

    07676c38245928dfc27e2a84279d8ef7d274a47c

  • SHA256

    6001b10c42cba43fd391a3f6df33506b631f94345909d961906870cb2a58972a

  • SHA512

    30866b42266c4ad674113aaa5dd89404dcb78bf7ea9a31612a833f3086517d56f423a87d4c77e200c68f0650a493d26c148ec7d913bb37a4dec1ca8121899e33

  • SSDEEP

    12288:FJLqUr5Vko180J5ZZVwrTpcdUV02gMcF3hEPCUHpDSQzK/9JdlH:780JPZirTKp2gMAhbApDSQG9Jz

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    vjgazgheutfgivme

Signatures

  • AgentTesla

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

  • Agenttesla family
  • AgentTesla payload 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 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 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 4 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 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\Bukti-Transfer.exe
    "C:\Users\Admin\AppData\Local\Temp\Bukti-Transfer.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:3488
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\gfGxxTwL.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1060
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gfGxxTwL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp31C9.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1804
    • C:\Users\Admin\AppData\Local\Temp\Bukti-Transfer.exe
      "C:\Users\Admin\AppData\Local\Temp\Bukti-Transfer.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:5012

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cspgmttc.hva.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp31C9.tmp

    Filesize

    1KB

    MD5

    ab6e74d90e679c993a26dfa0c59a24d0

    SHA1

    3fafb5738a6c01aa186cb47cad42660f6f5112e3

    SHA256

    7fbe6b72c73caba624a5eadb91bc3d6dea4a50699d5094d9823ffbd71f5cacc2

    SHA512

    c984f6de983dbc81b730cc8e0767031a26d51cd697c243fa4130341caa667d76ce9367d3f532cb5062a540eaee2189d3b01ce683445a6fe7c99db972ccbe3d0f

  • memory/1060-21-0x0000000004AF0000-0x0000000004B12000-memory.dmp

    Filesize

    136KB

  • memory/1060-55-0x0000000006DE0000-0x0000000006DEA000-memory.dmp

    Filesize

    40KB

  • memory/1060-64-0x00000000751C0000-0x0000000075970000-memory.dmp

    Filesize

    7.7MB

  • memory/1060-61-0x0000000007080000-0x0000000007088000-memory.dmp

    Filesize

    32KB

  • memory/1060-60-0x00000000070A0000-0x00000000070BA000-memory.dmp

    Filesize

    104KB

  • memory/1060-59-0x0000000006FA0000-0x0000000006FB4000-memory.dmp

    Filesize

    80KB

  • memory/1060-58-0x0000000006F90000-0x0000000006F9E000-memory.dmp

    Filesize

    56KB

  • memory/1060-13-0x0000000004460000-0x0000000004496000-memory.dmp

    Filesize

    216KB

  • memory/1060-15-0x0000000004B20000-0x0000000005148000-memory.dmp

    Filesize

    6.2MB

  • memory/1060-14-0x00000000751C0000-0x0000000075970000-memory.dmp

    Filesize

    7.7MB

  • memory/1060-57-0x0000000006F60000-0x0000000006F71000-memory.dmp

    Filesize

    68KB

  • memory/1060-17-0x00000000751C0000-0x0000000075970000-memory.dmp

    Filesize

    7.7MB

  • memory/1060-18-0x00000000751C0000-0x0000000075970000-memory.dmp

    Filesize

    7.7MB

  • memory/1060-56-0x0000000006FE0000-0x0000000007076000-memory.dmp

    Filesize

    600KB

  • memory/1060-22-0x0000000005240000-0x00000000052A6000-memory.dmp

    Filesize

    408KB

  • memory/1060-54-0x0000000006D60000-0x0000000006D7A000-memory.dmp

    Filesize

    104KB

  • memory/1060-53-0x00000000073B0000-0x0000000007A2A000-memory.dmp

    Filesize

    6.5MB

  • memory/1060-52-0x0000000006A40000-0x0000000006AE3000-memory.dmp

    Filesize

    652KB

  • memory/1060-51-0x0000000006020000-0x000000000603E000-memory.dmp

    Filesize

    120KB

  • memory/1060-35-0x0000000005420000-0x0000000005774000-memory.dmp

    Filesize

    3.3MB

  • memory/1060-41-0x0000000075A50000-0x0000000075A9C000-memory.dmp

    Filesize

    304KB

  • memory/1060-40-0x0000000006A00000-0x0000000006A32000-memory.dmp

    Filesize

    200KB

  • memory/1060-23-0x00000000053B0000-0x0000000005416000-memory.dmp

    Filesize

    408KB

  • memory/1060-38-0x0000000005A30000-0x0000000005A4E000-memory.dmp

    Filesize

    120KB

  • memory/1060-39-0x0000000005A70000-0x0000000005ABC000-memory.dmp

    Filesize

    304KB

  • memory/3488-6-0x00000000751C0000-0x0000000075970000-memory.dmp

    Filesize

    7.7MB

  • memory/3488-19-0x0000000005060000-0x000000000509C000-memory.dmp

    Filesize

    240KB

  • memory/3488-36-0x00000000751C0000-0x0000000075970000-memory.dmp

    Filesize

    7.7MB

  • memory/3488-1-0x0000000000010000-0x00000000000E4000-memory.dmp

    Filesize

    848KB

  • memory/3488-2-0x00000000751C0000-0x0000000075970000-memory.dmp

    Filesize

    7.7MB

  • memory/3488-0-0x00000000751CE000-0x00000000751CF000-memory.dmp

    Filesize

    4KB

  • memory/3488-3-0x0000000002490000-0x000000000249E000-memory.dmp

    Filesize

    56KB

  • memory/3488-4-0x0000000004B40000-0x0000000004BD2000-memory.dmp

    Filesize

    584KB

  • memory/3488-5-0x00000000751CE000-0x00000000751CF000-memory.dmp

    Filesize

    4KB

  • memory/3488-7-0x0000000004E80000-0x0000000004F1C000-memory.dmp

    Filesize

    624KB

  • memory/3488-8-0x00000000052E0000-0x000000000539C000-memory.dmp

    Filesize

    752KB

  • memory/5012-68-0x0000000006970000-0x000000000697A000-memory.dmp

    Filesize

    40KB

  • memory/5012-20-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/5012-67-0x00000000067C0000-0x0000000006810000-memory.dmp

    Filesize

    320KB

  • memory/5012-65-0x0000000005980000-0x0000000005998000-memory.dmp

    Filesize

    96KB

  • memory/5012-66-0x00000000751C0000-0x0000000075970000-memory.dmp

    Filesize

    7.7MB

  • memory/5012-37-0x00000000059F0000-0x0000000005F94000-memory.dmp

    Filesize

    5.6MB

  • memory/5012-30-0x00000000751C0000-0x0000000075970000-memory.dmp

    Filesize

    7.7MB