Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-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 5 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.

  • 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 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⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:784
    • 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:2824
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gfGxxTwL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5C05.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2956
    • 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:2572

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp5C05.tmp

    Filesize

    1KB

    MD5

    6d465ba1ef64500d5efe4bf4e5d21d78

    SHA1

    798062505d146c50b81a52c9c1ec78252371a06d

    SHA256

    65f3dc70ecc8ab47cb56beb3528b952d70c8b79f146a3f4e6fbc2579da472d79

    SHA512

    9748f27e313162cd7b355817ceaddc312fd641419c09e9d4ae8119589c9c18d6973c482456790e1b14860d9bd0707a9cdafea850e7b943585178535c6454a0e9

  • memory/784-14-0x0000000002120000-0x000000000215C000-memory.dmp

    Filesize

    240KB

  • memory/784-5-0x0000000073F30000-0x000000007461E000-memory.dmp

    Filesize

    6.9MB

  • memory/784-27-0x0000000073F30000-0x000000007461E000-memory.dmp

    Filesize

    6.9MB

  • memory/784-4-0x0000000073F3E000-0x0000000073F3F000-memory.dmp

    Filesize

    4KB

  • memory/784-0-0x0000000073F3E000-0x0000000073F3F000-memory.dmp

    Filesize

    4KB

  • memory/784-6-0x0000000005540000-0x00000000055FC000-memory.dmp

    Filesize

    752KB

  • memory/784-1-0x0000000000270000-0x0000000000344000-memory.dmp

    Filesize

    848KB

  • memory/784-2-0x0000000073F30000-0x000000007461E000-memory.dmp

    Filesize

    6.9MB

  • memory/784-3-0x0000000000250000-0x000000000025E000-memory.dmp

    Filesize

    56KB

  • memory/2572-25-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2572-26-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2572-24-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2572-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2572-21-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2572-17-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2572-15-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2572-19-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB