Analysis

  • max time kernel
    111s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/04/2024, 15:46

General

  • Target

    edc7fab4454ca88d834094ad33a52ad0_JaffaCakes118.exe

  • Size

    259KB

  • MD5

    edc7fab4454ca88d834094ad33a52ad0

  • SHA1

    b13df4f78421ac2bc235f4dd88720ed3fe0c689a

  • SHA256

    13cb0fdc377ec006b3b0e181e93112774cfc054de9305a57637d4b1ec0f50f4d

  • SHA512

    3f3758371a192091e30afe050786d27772590fb60f180eeb1d154539f3100a7ee838c4618f52f0f1e108241af348e1593ae3bb4678ff9960c5d79bae2a7896ac

  • SSDEEP

    6144:1/HyObKhe0jjCCsyRifFlP04YyJpy2Kp1Dyy4VafQSWHGjOgi5/iF6a6X:1Che0jrQTM4Y8y2ONyy4ofNOgi5naU

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    In^Df(#7

Signatures

  • AgentTesla

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

  • AgentTesla payload 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 2 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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\edc7fab4454ca88d834094ad33a52ad0_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\edc7fab4454ca88d834094ad33a52ad0_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3944
    • C:\Users\Admin\AppData\Local\Temp\edc7fab4454ca88d834094ad33a52ad0_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\edc7fab4454ca88d834094ad33a52ad0_JaffaCakes118.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4068

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\edc7fab4454ca88d834094ad33a52ad0_JaffaCakes118.exe.log

    Filesize

    522B

    MD5

    8334a471a4b492ece225b471b8ad2fc8

    SHA1

    1cb24640f32d23e8f7800bd0511b7b9c3011d992

    SHA256

    5612afe347d8549cc95a0c710602bcc7d7b224361b613c0a6ba362092300c169

    SHA512

    56ae2e83355c331b00d782797f5664c2f373eac240e811aab978732503ae05eb20b08730d2427ed90efa5a706d71b42b57153596a45a6b5592e3dd9128b81c36

  • memory/3944-8-0x0000000074450000-0x0000000074C00000-memory.dmp

    Filesize

    7.7MB

  • memory/3944-1-0x0000000074450000-0x0000000074C00000-memory.dmp

    Filesize

    7.7MB

  • memory/3944-2-0x0000000004D50000-0x0000000004DEC000-memory.dmp

    Filesize

    624KB

  • memory/3944-3-0x0000000004D40000-0x0000000004D50000-memory.dmp

    Filesize

    64KB

  • memory/3944-4-0x0000000004CB0000-0x0000000004CF2000-memory.dmp

    Filesize

    264KB

  • memory/3944-0-0x0000000000390000-0x00000000003D6000-memory.dmp

    Filesize

    280KB

  • memory/4068-11-0x0000000005150000-0x00000000051E2000-memory.dmp

    Filesize

    584KB

  • memory/4068-9-0x0000000005660000-0x0000000005C04000-memory.dmp

    Filesize

    5.6MB

  • memory/4068-10-0x0000000074450000-0x0000000074C00000-memory.dmp

    Filesize

    7.7MB

  • memory/4068-5-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/4068-12-0x00000000052A0000-0x00000000052B0000-memory.dmp

    Filesize

    64KB

  • memory/4068-13-0x00000000055F0000-0x0000000005608000-memory.dmp

    Filesize

    96KB

  • memory/4068-14-0x0000000005FC0000-0x0000000006026000-memory.dmp

    Filesize

    408KB

  • memory/4068-15-0x0000000074450000-0x0000000074C00000-memory.dmp

    Filesize

    7.7MB

  • memory/4068-16-0x00000000052A0000-0x00000000052B0000-memory.dmp

    Filesize

    64KB

  • memory/4068-17-0x0000000000F70000-0x0000000000FC0000-memory.dmp

    Filesize

    320KB

  • memory/4068-19-0x0000000006590000-0x000000000659A000-memory.dmp

    Filesize

    40KB

  • memory/4068-18-0x00000000052A0000-0x00000000052B0000-memory.dmp

    Filesize

    64KB

  • memory/4068-20-0x00000000052A0000-0x00000000052B0000-memory.dmp

    Filesize

    64KB