Analysis

  • max time kernel
    95s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-01-2025 01:20

General

  • Target

    f4f1e1c6398caa87b8f31f57b0154af5a2928e4cd4ab3e963ba38fff3166d885.exe

  • Size

    854KB

  • MD5

    c583ce216c5a0a982d0aa8ccb8956d5d

  • SHA1

    595f8330a3da759f08fe0b59d5b46aaf54071684

  • SHA256

    f4f1e1c6398caa87b8f31f57b0154af5a2928e4cd4ab3e963ba38fff3166d885

  • SHA512

    4f4e4c6148b2bd1ea89ebf7725951120e16342e96efd62bea03692d0bdfa8742db5161f8441d3409e934c2aad97ff3b6cba4b4d57c33d3a6b774999d3747ca79

  • SSDEEP

    12288:6cbLIx2zGRbVk69o340h2x4ZydRXLzT6wpPzOK3q:62fex79ooomNLiwzOK6

Malware Config

Signatures

  • AgentTesla

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

  • Agenttesla family
  • AgentTesla payload 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • 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 6 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Subvert Trust Controls: Mark-of-the-Web Bypass 1 TTPs 1 IoCs

    When files are downloaded from the Internet, they are tagged with a hidden NTFS Alternate Data Stream (ADS) named Zone.Identifier with a specific value known as the MOTW.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • NTFS ADS 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f4f1e1c6398caa87b8f31f57b0154af5a2928e4cd4ab3e963ba38fff3166d885.exe
    "C:\Users\Admin\AppData\Local\Temp\f4f1e1c6398caa87b8f31f57b0154af5a2928e4cd4ab3e963ba38fff3166d885.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:1532
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c copy "C:/Users/Admin/AppData/Local/Temp/f4f1e1c6398caa87b8f31f57b0154af5a2928e4cd4ab3e963ba38fff3166d885.exe" "%appdata%\FolderN\name.exe" /Y
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3536
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "%appdata%\FolderN\name.exe.lnk" /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3324
      • C:\Windows\SysWOW64\reg.exe
        reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\FolderN\name.exe.lnk" /f
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1460
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c echo [zoneTransfer]ZoneID = 2 > %appdata%\FolderN\name.exe:Zone.Identifier
      2⤵
      • Subvert Trust Controls: Mark-of-the-Web Bypass
      • System Location Discovery: System Language Discovery
      • NTFS ADS
      PID:4936
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ren "%appdata%\FolderN\name.exe.jpg" name.exe
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4828
    • C:\Users\Admin\AppData\Roaming\tmp.exe
      "C:\Users\Admin\AppData\Roaming\tmp.exe"
      2⤵
      • Executes dropped EXE
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2348
    • C:\Users\Admin\AppData\Local\Temp\.exe
      "C:\Users\Admin\AppData\Local\Temp\.exe"
      2⤵
      • Executes dropped EXE
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1748

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\.exe

    Filesize

    256KB

    MD5

    8fdf47e0ff70c40ed3a17014aeea4232

    SHA1

    e6256a0159688f0560b015da4d967f41cbf8c9bd

    SHA256

    ed9884bac608c06b7057037cc91d90e4ae5f74dd2dbce2af476699c6d4492d82

    SHA512

    bd69d092ed4f9c5e1f24eaf5ec79fb316469d53849dc798fae0fcba5e90869b77ee924c23cc6f692198ff25827ab60ad47bb46cadd6e0aadde7731cbafb013be

  • C:\Users\Admin\AppData\Roaming\FolderN\name.exe

    Filesize

    854KB

    MD5

    c583ce216c5a0a982d0aa8ccb8956d5d

    SHA1

    595f8330a3da759f08fe0b59d5b46aaf54071684

    SHA256

    f4f1e1c6398caa87b8f31f57b0154af5a2928e4cd4ab3e963ba38fff3166d885

    SHA512

    4f4e4c6148b2bd1ea89ebf7725951120e16342e96efd62bea03692d0bdfa8742db5161f8441d3409e934c2aad97ff3b6cba4b4d57c33d3a6b774999d3747ca79

  • C:\Users\Admin\AppData\Roaming\tmp.exe

    Filesize

    333KB

    MD5

    f0fdcbabaec0b4cf9aeaccbfb697ee97

    SHA1

    4edbdaca86e334cb496be79a5a6fce1462f26bfb

    SHA256

    18ef59b5fa921966f0432e8ee410762d271207d98241d426543f55b650c249f6

    SHA512

    24c60782f8e71e553499b048a10d243e7beac7358e9767c2f683f81c8e4927b1fa7fd1f33c9d4a0876f24eced9c0f7b7894b4e2b94fdb26bd88aca11ac3cb5f3

  • memory/1532-5-0x0000000004F60000-0x0000000004FC0000-memory.dmp

    Filesize

    384KB

  • memory/1532-32-0x0000000074F4E000-0x0000000074F4F000-memory.dmp

    Filesize

    4KB

  • memory/1532-0-0x0000000074F4E000-0x0000000074F4F000-memory.dmp

    Filesize

    4KB

  • memory/1532-6-0x0000000074F40000-0x00000000756F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1532-3-0x0000000004E20000-0x0000000004EB2000-memory.dmp

    Filesize

    584KB

  • memory/1532-2-0x0000000005330000-0x00000000058D4000-memory.dmp

    Filesize

    5.6MB

  • memory/1532-36-0x0000000074F40000-0x00000000756F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1532-1-0x00000000002B0000-0x000000000038C000-memory.dmp

    Filesize

    880KB

  • memory/1532-33-0x0000000074F40000-0x00000000756F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1532-4-0x0000000004EC0000-0x0000000004F5C000-memory.dmp

    Filesize

    624KB

  • memory/1748-30-0x0000000005970000-0x0000000005988000-memory.dmp

    Filesize

    96KB

  • memory/1748-31-0x0000000005A10000-0x0000000005A76000-memory.dmp

    Filesize

    408KB

  • memory/1748-38-0x00000000069A0000-0x00000000069F0000-memory.dmp

    Filesize

    320KB

  • memory/2348-27-0x0000000000460000-0x00000000004BA000-memory.dmp

    Filesize

    360KB

  • memory/2348-34-0x0000000074F40000-0x00000000756F0000-memory.dmp

    Filesize

    7.7MB

  • memory/2348-24-0x0000000074F40000-0x00000000756F0000-memory.dmp

    Filesize

    7.7MB

  • memory/2348-37-0x0000000005060000-0x000000000506A000-memory.dmp

    Filesize

    40KB

  • memory/2348-39-0x00000000067D0000-0x00000000067DA000-memory.dmp

    Filesize

    40KB