Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    26-09-2024 05:42

General

  • Target

    f7b17bb57612e00afb7f7c10b23fba8d_JaffaCakes118.exe

  • Size

    431KB

  • MD5

    f7b17bb57612e00afb7f7c10b23fba8d

  • SHA1

    9a1a359906db1cdec9a2538cb5a6956985384bf3

  • SHA256

    ca5571dd39e2f7364b198e5d3a7a6fa034edb8c06d4c9ea2e96041f3e53196d9

  • SHA512

    a20d842b62fbf9f7aeb2a05d3b9726ce6e0112f03b72c885e3d1af087f38652ff19098abc1a7debb15267de9d92e53d36a4ae61d00a31e888f9316a6041c3700

  • SSDEEP

    6144:J5iXq4NYHjLS1hxUeYALIfv7vIVVxJ10C7zd6J8alAJC+C0:Ox2HUhOeYALI3TIjxrTzeXc

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.1and1.es
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    elsecreto2019

Signatures

  • AgentTesla

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

  • AgentTesla payload 1 IoCs
  • System Binary Proxy Execution: InstallUtil 1 TTPs 2 IoCs

    Abuse InstallUtil to proxy execution of malicious code.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 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.

  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f7b17bb57612e00afb7f7c10b23fba8d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f7b17bb57612e00afb7f7c10b23fba8d_JaffaCakes118.exe"
    1⤵
    • System Binary Proxy Execution: InstallUtil
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2292
    • C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
      "C:\Users\Admin\AppData\Local\Temp\InstallUtil.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:2044

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\InstallUtil.exe

    Filesize

    40KB

    MD5

    91c9ae9c9a17a9db5e08b120e668c74c

    SHA1

    50770954c1ceb0bb6f1d5d3f2de2a0a065773723

    SHA256

    e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

    SHA512

    ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

  • \Users\Admin\AppData\Local\Temp\b1f92ac9-345d-4ee6-83d6-512dab76f3b9\i.dll

    Filesize

    94KB

    MD5

    14ff402962ad21b78ae0b4c43cd1f194

    SHA1

    f8a510eb26666e875a5bdd1cadad40602763ad72

    SHA256

    fb9646cb956945bdc503e69645f6b5316d3826b780d3c36738d6b944e884d15b

    SHA512

    daa7a08bf3709119a944bce28f6ebdd24e54a22b18cd9f86a87873e958df121a3881dcdd5e162f6b4e543238c7aef20f657c9830df01d4c79290f7c9a4fcc54b

  • memory/2044-226-0x0000000074700000-0x0000000074DEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2044-225-0x0000000074700000-0x0000000074DEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2044-224-0x0000000074700000-0x0000000074DEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2044-223-0x0000000000090000-0x00000000000C6000-memory.dmp

    Filesize

    216KB

  • memory/2044-222-0x0000000074700000-0x0000000074DEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2292-34-0x0000000000410000-0x0000000000436000-memory.dmp

    Filesize

    152KB

  • memory/2292-26-0x0000000000410000-0x0000000000436000-memory.dmp

    Filesize

    152KB

  • memory/2292-64-0x0000000000410000-0x0000000000436000-memory.dmp

    Filesize

    152KB

  • memory/2292-62-0x0000000000410000-0x0000000000436000-memory.dmp

    Filesize

    152KB

  • memory/2292-60-0x0000000000410000-0x0000000000436000-memory.dmp

    Filesize

    152KB

  • memory/2292-58-0x0000000000410000-0x0000000000436000-memory.dmp

    Filesize

    152KB

  • memory/2292-56-0x0000000000410000-0x0000000000436000-memory.dmp

    Filesize

    152KB

  • memory/2292-54-0x0000000000410000-0x0000000000436000-memory.dmp

    Filesize

    152KB

  • memory/2292-52-0x0000000000410000-0x0000000000436000-memory.dmp

    Filesize

    152KB

  • memory/2292-50-0x0000000000410000-0x0000000000436000-memory.dmp

    Filesize

    152KB

  • memory/2292-48-0x0000000000410000-0x0000000000436000-memory.dmp

    Filesize

    152KB

  • memory/2292-46-0x0000000000410000-0x0000000000436000-memory.dmp

    Filesize

    152KB

  • memory/2292-44-0x0000000000410000-0x0000000000436000-memory.dmp

    Filesize

    152KB

  • memory/2292-42-0x0000000000410000-0x0000000000436000-memory.dmp

    Filesize

    152KB

  • memory/2292-40-0x0000000000410000-0x0000000000436000-memory.dmp

    Filesize

    152KB

  • memory/2292-38-0x0000000000410000-0x0000000000436000-memory.dmp

    Filesize

    152KB

  • memory/2292-36-0x0000000000410000-0x0000000000436000-memory.dmp

    Filesize

    152KB

  • memory/2292-0-0x000000007470E000-0x000000007470F000-memory.dmp

    Filesize

    4KB

  • memory/2292-32-0x0000000000410000-0x0000000000436000-memory.dmp

    Filesize

    152KB

  • memory/2292-30-0x0000000000410000-0x0000000000436000-memory.dmp

    Filesize

    152KB

  • memory/2292-28-0x0000000000410000-0x0000000000436000-memory.dmp

    Filesize

    152KB

  • memory/2292-66-0x0000000000410000-0x0000000000436000-memory.dmp

    Filesize

    152KB

  • memory/2292-24-0x0000000000410000-0x0000000000436000-memory.dmp

    Filesize

    152KB

  • memory/2292-22-0x0000000000410000-0x0000000000436000-memory.dmp

    Filesize

    152KB

  • memory/2292-20-0x0000000000410000-0x0000000000436000-memory.dmp

    Filesize

    152KB

  • memory/2292-18-0x0000000000410000-0x0000000000436000-memory.dmp

    Filesize

    152KB

  • memory/2292-16-0x0000000000410000-0x0000000000436000-memory.dmp

    Filesize

    152KB

  • memory/2292-14-0x0000000000410000-0x0000000000436000-memory.dmp

    Filesize

    152KB

  • memory/2292-12-0x0000000000410000-0x0000000000436000-memory.dmp

    Filesize

    152KB

  • memory/2292-11-0x0000000000410000-0x0000000000436000-memory.dmp

    Filesize

    152KB

  • memory/2292-10-0x0000000074500000-0x0000000074580000-memory.dmp

    Filesize

    512KB

  • memory/2292-191-0x0000000074700000-0x0000000074DEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2292-193-0x0000000074700000-0x0000000074DEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2292-194-0x0000000074700000-0x0000000074DEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2292-195-0x0000000000690000-0x000000000069C000-memory.dmp

    Filesize

    48KB

  • memory/2292-68-0x0000000000410000-0x0000000000436000-memory.dmp

    Filesize

    152KB

  • memory/2292-70-0x0000000000410000-0x0000000000436000-memory.dmp

    Filesize

    152KB

  • memory/2292-72-0x0000000000410000-0x0000000000436000-memory.dmp

    Filesize

    152KB

  • memory/2292-221-0x0000000074700000-0x0000000074DEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2292-3-0x0000000074700000-0x0000000074DEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2292-2-0x0000000000410000-0x000000000043C000-memory.dmp

    Filesize

    176KB

  • memory/2292-1-0x00000000013A0000-0x0000000001412000-memory.dmp

    Filesize

    456KB