Analysis

  • max time kernel
    145s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-12-2024 23:28

General

  • Target

    fd8a25baabe1fc7584d0538cbaa9c783_JaffaCakes118.exe

  • Size

    882KB

  • MD5

    fd8a25baabe1fc7584d0538cbaa9c783

  • SHA1

    4ecd1ce2c9ea56bf293996047ad5cf5ca1ac09bf

  • SHA256

    900ce3af8a92e086a0332e7a69033a5e25f31a6a3a553003086f7bed958e3432

  • SHA512

    7f4b0186957917f34ee90dcd51c7ab16a7ed14a127b3fedc34dbdabae3c7eb7b6535e9fc1317726131cd9326ad3e0df00a803bcde415e66241f1e9fde4c789ed

  • SSDEEP

    12288:ndA9KMRxkFKCQ2vU78zAb1p3mPoa0g4PZ1EnB8cuEXLCwIeOQHK7z+zKboASLF:dA9jkFKww8z0p344PYBRtCBeOQKboF

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.zoho.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    JesusChrist007

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 WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fd8a25baabe1fc7584d0538cbaa9c783_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fd8a25baabe1fc7584d0538cbaa9c783_JaffaCakes118.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:1428
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hJSUdPEf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6193.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3856
    • C:\Users\Admin\AppData\Local\Temp\fd8a25baabe1fc7584d0538cbaa9c783_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\fd8a25baabe1fc7584d0538cbaa9c783_JaffaCakes118.exe"
      2⤵
        PID:1740
      • C:\Users\Admin\AppData\Local\Temp\fd8a25baabe1fc7584d0538cbaa9c783_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\fd8a25baabe1fc7584d0538cbaa9c783_JaffaCakes118.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:3920

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\fd8a25baabe1fc7584d0538cbaa9c783_JaffaCakes118.exe.log

      Filesize

      1KB

      MD5

      17573558c4e714f606f997e5157afaac

      SHA1

      13e16e9415ceef429aaf124139671ebeca09ed23

      SHA256

      c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

      SHA512

      f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

    • C:\Users\Admin\AppData\Local\Temp\tmp6193.tmp

      Filesize

      1KB

      MD5

      71050a997d46cc5bc866c4c34ef23e09

      SHA1

      59b6ed14a1e28f22281041e9ce28098de2323dfc

      SHA256

      8b22bbb68084b83be54778e54513bee2d2fa6f85687567341658c4e54560f536

      SHA512

      2f542108e431cfa3a102b516a9e901bc44aa9adc6a239166264f53d9d0f7e225097b6b141af5ca313de9d9c490d849df2885abeeba8085590aebb05c5390fd22

    • memory/1428-12-0x0000000008E40000-0x0000000008E7C000-memory.dmp

      Filesize

      240KB

    • memory/1428-9-0x00000000743DE000-0x00000000743DF000-memory.dmp

      Filesize

      4KB

    • memory/1428-4-0x00000000050E0000-0x0000000005172000-memory.dmp

      Filesize

      584KB

    • memory/1428-5-0x0000000004FB0000-0x0000000004FBA000-memory.dmp

      Filesize

      40KB

    • memory/1428-6-0x00000000052B0000-0x0000000005306000-memory.dmp

      Filesize

      344KB

    • memory/1428-7-0x00000000743D0000-0x0000000074B80000-memory.dmp

      Filesize

      7.7MB

    • memory/1428-8-0x00000000055D0000-0x00000000055E6000-memory.dmp

      Filesize

      88KB

    • memory/1428-1-0x0000000000660000-0x0000000000742000-memory.dmp

      Filesize

      904KB

    • memory/1428-10-0x00000000743D0000-0x0000000074B80000-memory.dmp

      Filesize

      7.7MB

    • memory/1428-11-0x0000000006800000-0x0000000006898000-memory.dmp

      Filesize

      608KB

    • memory/1428-0-0x00000000743DE000-0x00000000743DF000-memory.dmp

      Filesize

      4KB

    • memory/1428-3-0x0000000005690000-0x0000000005C34000-memory.dmp

      Filesize

      5.6MB

    • memory/1428-2-0x0000000005040000-0x00000000050DC000-memory.dmp

      Filesize

      624KB

    • memory/1428-21-0x00000000743D0000-0x0000000074B80000-memory.dmp

      Filesize

      7.7MB

    • memory/3920-28-0x0000000006180000-0x00000000061D0000-memory.dmp

      Filesize

      320KB

    • memory/3920-18-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/3920-23-0x00000000743D0000-0x0000000074B80000-memory.dmp

      Filesize

      7.7MB

    • memory/3920-24-0x00000000051A0000-0x00000000051B8000-memory.dmp

      Filesize

      96KB

    • memory/3920-25-0x0000000005570000-0x00000000055D6000-memory.dmp

      Filesize

      408KB

    • memory/3920-26-0x00000000743D0000-0x0000000074B80000-memory.dmp

      Filesize

      7.7MB

    • memory/3920-27-0x00000000743D0000-0x0000000074B80000-memory.dmp

      Filesize

      7.7MB

    • memory/3920-22-0x00000000743D0000-0x0000000074B80000-memory.dmp

      Filesize

      7.7MB

    • memory/3920-29-0x00000000743D0000-0x0000000074B80000-memory.dmp

      Filesize

      7.7MB

    • memory/3920-30-0x00000000743D0000-0x0000000074B80000-memory.dmp

      Filesize

      7.7MB