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Resubmissions

12/03/2025, 21:32

250312-1dmynatxey 10

11/03/2025, 16:10

250311-tmgdxaxnx4 10

06/03/2025, 02:30

250306-cze8yav1az 10

Analysis

  • max time kernel
    135s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    06/03/2025, 02:30

General

  • Target

    51bd8c50dd5a58aa312bbcd0db0a1c297b929b8addb04cca5552a0ed1a79b209.exe

  • Size

    482KB

  • MD5

    d5c6afc24d4fff226ae1190fde23e514

  • SHA1

    e342136d49082c798e5da37f27a0bad894e3e4ce

  • SHA256

    51bd8c50dd5a58aa312bbcd0db0a1c297b929b8addb04cca5552a0ed1a79b209

  • SHA512

    4cfa0f5bacd1521792bc3278bd0b25871da1b86afc7e7a243b89cd2a7ccd7119ab013422c1cccad06790e2d5b3885180047684d5a3504d6a1f86ad42aba0a575

  • SSDEEP

    12288:iCMnvQcYyer7in58R3wgG56gtIRQA/wpS:WvgyKG5c45ptIiA/wpS

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.boydsteamships.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    co*tNjEBt4

Signatures

  • AgentTesla

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

  • Agenttesla family
  • AgentTesla payload 5 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 2 IoCs
  • 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 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 12 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 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\51bd8c50dd5a58aa312bbcd0db0a1c297b929b8addb04cca5552a0ed1a79b209.exe
    "C:\Users\Admin\AppData\Local\Temp\51bd8c50dd5a58aa312bbcd0db0a1c297b929b8addb04cca5552a0ed1a79b209.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2840
    • C:\Users\Admin\AppData\Local\Temp\51bd8c50dd5a58aa312bbcd0db0a1c297b929b8addb04cca5552a0ed1a79b209.exe
      "C:\Users\Admin\AppData\Local\Temp\51bd8c50dd5a58aa312bbcd0db0a1c297b929b8addb04cca5552a0ed1a79b209.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:2888
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\Jedu\Jedu.exe'" /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1476
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\Jedu\Jedu.exe'" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2884
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\51bd8c50dd5a58aa312bbcd0db0a1c297b929b8addb04cca5552a0ed1a79b209.exe" "C:\Users\Admin\AppData\Roaming\Jedu\Jedu.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2372
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {E76AB1AB-4524-439E-A4E5-79B74FBA32DF} S-1-5-21-3692679935-4019334568-335155002-1000:BCXRJFKE\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2692
    • C:\Users\Admin\AppData\Roaming\Jedu\Jedu.exe
      C:\Users\Admin\AppData\Roaming\Jedu\Jedu.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2184
      • C:\Users\Admin\AppData\Roaming\Jedu\Jedu.exe
        "C:\Users\Admin\AppData\Roaming\Jedu\Jedu.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2296
    • C:\Users\Admin\AppData\Roaming\Jedu\Jedu.exe
      C:\Users\Admin\AppData\Roaming\Jedu\Jedu.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1020
      • C:\Users\Admin\AppData\Roaming\Jedu\Jedu.exe
        "C:\Users\Admin\AppData\Roaming\Jedu\Jedu.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:948
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\Jedu\Jedu.exe'" /f
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1552
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\Jedu\Jedu.exe'" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:1128
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Roaming\Jedu\Jedu.exe" "C:\Users\Admin\AppData\Roaming\Jedu\Jedu.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2100

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    482KB

    MD5

    d5c6afc24d4fff226ae1190fde23e514

    SHA1

    e342136d49082c798e5da37f27a0bad894e3e4ce

    SHA256

    51bd8c50dd5a58aa312bbcd0db0a1c297b929b8addb04cca5552a0ed1a79b209

    SHA512

    4cfa0f5bacd1521792bc3278bd0b25871da1b86afc7e7a243b89cd2a7ccd7119ab013422c1cccad06790e2d5b3885180047684d5a3504d6a1f86ad42aba0a575

  • memory/2184-25-0x0000000000110000-0x000000000018E000-memory.dmp

    Filesize

    504KB

  • memory/2296-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2840-20-0x00000000744D0000-0x0000000074BBE000-memory.dmp

    Filesize

    6.9MB

  • memory/2840-1-0x0000000001060000-0x00000000010DE000-memory.dmp

    Filesize

    504KB

  • memory/2840-2-0x00000000744D0000-0x0000000074BBE000-memory.dmp

    Filesize

    6.9MB

  • memory/2840-3-0x00000000744DE000-0x00000000744DF000-memory.dmp

    Filesize

    4KB

  • memory/2840-4-0x00000000744D0000-0x0000000074BBE000-memory.dmp

    Filesize

    6.9MB

  • memory/2840-0-0x00000000744DE000-0x00000000744DF000-memory.dmp

    Filesize

    4KB

  • memory/2888-6-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2888-11-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2888-13-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2888-15-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2888-16-0x00000000744D0000-0x0000000074BBE000-memory.dmp

    Filesize

    6.9MB

  • memory/2888-19-0x00000000744D0000-0x0000000074BBE000-memory.dmp

    Filesize

    6.9MB

  • memory/2888-5-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2888-21-0x00000000744D0000-0x0000000074BBE000-memory.dmp

    Filesize

    6.9MB

  • memory/2888-22-0x00000000744D0000-0x0000000074BBE000-memory.dmp

    Filesize

    6.9MB

  • memory/2888-7-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2888-8-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2888-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB