Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/11/2024, 05:29

General

  • Target

    89d937d96c85ac84865afbf4989ae2ae_JaffaCakes118.exe

  • Size

    1.2MB

  • MD5

    89d937d96c85ac84865afbf4989ae2ae

  • SHA1

    58ccfb019afe8f5b6070651049990d9c76cf3c99

  • SHA256

    1dc6e220ff2e4478bffe3973b3da34ad2859340bd964d9f607939f37cf677757

  • SHA512

    002fe98e21f9107b6168b25aeb3e73033363e05946c36ce43e1b478b19db96ba96c1eea19443b9c2ae72c7981eb515dbae3df1eda655d0d9976869e65be12abf

  • SSDEEP

    24576:1dowsvNF43j0gQri/2Cgth32bm8ZZS5R0yxquw5wX:1doxFOB/2htp2a83BTuIwX

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    serv-10708.handsonwebhosting.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    icui4cu2@@

Signatures

  • AgentTesla

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

  • Agenttesla family
  • AgentTesla payload 1 IoCs
  • Drops file in Drivers directory 1 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 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\89d937d96c85ac84865afbf4989ae2ae_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\89d937d96c85ac84865afbf4989ae2ae_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2228
    • C:\Users\Admin\AppData\Local\Temp\89d937d96c85ac84865afbf4989ae2ae_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\89d937d96c85ac84865afbf4989ae2ae_JaffaCakes118.exe"
      2⤵
        PID:3864
      • C:\Users\Admin\AppData\Local\Temp\89d937d96c85ac84865afbf4989ae2ae_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\89d937d96c85ac84865afbf4989ae2ae_JaffaCakes118.exe"
        2⤵
        • Drops file in Drivers directory
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:4444

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\89d937d96c85ac84865afbf4989ae2ae_JaffaCakes118.exe.log

            Filesize

            1KB

            MD5

            8ec831f3e3a3f77e4a7b9cd32b48384c

            SHA1

            d83f09fd87c5bd86e045873c231c14836e76a05c

            SHA256

            7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

            SHA512

            26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

          • memory/2228-6-0x0000000006320000-0x00000000063BC000-memory.dmp

            Filesize

            624KB

          • memory/2228-2-0x0000000005060000-0x0000000005604000-memory.dmp

            Filesize

            5.6MB

          • memory/2228-3-0x0000000004B50000-0x0000000004BE2000-memory.dmp

            Filesize

            584KB

          • memory/2228-5-0x00000000748D0000-0x0000000075080000-memory.dmp

            Filesize

            7.7MB

          • memory/2228-4-0x0000000004BF0000-0x0000000004BFA000-memory.dmp

            Filesize

            40KB

          • memory/2228-16-0x00000000748D0000-0x0000000075080000-memory.dmp

            Filesize

            7.7MB

          • memory/2228-7-0x0000000004FE0000-0x0000000004FFE000-memory.dmp

            Filesize

            120KB

          • memory/2228-8-0x00000000748DE000-0x00000000748DF000-memory.dmp

            Filesize

            4KB

          • memory/2228-9-0x00000000748D0000-0x0000000075080000-memory.dmp

            Filesize

            7.7MB

          • memory/2228-10-0x00000000064D0000-0x000000000656E000-memory.dmp

            Filesize

            632KB

          • memory/2228-11-0x0000000008AC0000-0x0000000008AFC000-memory.dmp

            Filesize

            240KB

          • memory/2228-0-0x00000000748DE000-0x00000000748DF000-memory.dmp

            Filesize

            4KB

          • memory/2228-1-0x0000000000040000-0x0000000000182000-memory.dmp

            Filesize

            1.3MB

          • memory/4444-12-0x0000000000400000-0x000000000043C000-memory.dmp

            Filesize

            240KB

          • memory/4444-15-0x00000000748D0000-0x0000000075080000-memory.dmp

            Filesize

            7.7MB

          • memory/4444-17-0x00000000748D0000-0x0000000075080000-memory.dmp

            Filesize

            7.7MB

          • memory/4444-18-0x0000000005170000-0x0000000005188000-memory.dmp

            Filesize

            96KB

          • memory/4444-19-0x0000000005DD0000-0x0000000005E36000-memory.dmp

            Filesize

            408KB

          • memory/4444-20-0x00000000748D0000-0x0000000075080000-memory.dmp

            Filesize

            7.7MB

          • memory/4444-21-0x00000000748D0000-0x0000000075080000-memory.dmp

            Filesize

            7.7MB

          • memory/4444-23-0x0000000006410000-0x0000000006460000-memory.dmp

            Filesize

            320KB

          • memory/4444-24-0x00000000748D0000-0x0000000075080000-memory.dmp

            Filesize

            7.7MB

          • memory/4444-25-0x00000000748D0000-0x0000000075080000-memory.dmp

            Filesize

            7.7MB