Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-04-2024 23:54

General

  • Target

    03ea7c53e7ec3493b95d001834757070_JaffaCakes118.exe

  • Size

    471KB

  • MD5

    03ea7c53e7ec3493b95d001834757070

  • SHA1

    b4e33a1015191357b619e83687fa1c3beb25e0bc

  • SHA256

    447e51ac0d863eef5544c8a808743f24eeac45f0c889f61a21429904fc0f76b0

  • SHA512

    6589ecf058e7a4369b9d1ae7cd98692146ec16ea6623b37bf5a2fc81d4b81c432e47aa65e12376a193f57bf7b1c3fe3733988a88b15d075c007c7cf5a183d490

  • SSDEEP

    12288:bfKHS/FeVDK/CT2WSvfv8w9A+2hzEmM8UVoaIegU:V/FeqCqWS3v8UZ5phd

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    sologlobal@yandex.com
  • Password:
    amblessed22

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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\03ea7c53e7ec3493b95d001834757070_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\03ea7c53e7ec3493b95d001834757070_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1956
    • C:\Users\Admin\AppData\Local\Temp\03ea7c53e7ec3493b95d001834757070_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\03ea7c53e7ec3493b95d001834757070_JaffaCakes118.exe"
      2⤵
        PID:4600
      • C:\Users\Admin\AppData\Local\Temp\03ea7c53e7ec3493b95d001834757070_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\03ea7c53e7ec3493b95d001834757070_JaffaCakes118.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:3336
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1340 --field-trial-handle=2356,i,13261194862334667799,7441241219475888176,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:3516

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Credential Access

      Unsecured Credentials

      4
      T1552

      Credentials In Files

      3
      T1552.001

      Credentials in Registry

      1
      T1552.002

      Collection

      Data from Local System

      4
      T1005

      Email Collection

      1
      T1114

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\03ea7c53e7ec3493b95d001834757070_JaffaCakes118.exe.log
        Filesize

        1KB

        MD5

        17573558c4e714f606f997e5157afaac

        SHA1

        13e16e9415ceef429aaf124139671ebeca09ed23

        SHA256

        c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

        SHA512

        f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

      • memory/1956-12-0x0000000006380000-0x00000000063BE000-memory.dmp
        Filesize

        248KB

      • memory/1956-17-0x00000000752D0000-0x0000000075A80000-memory.dmp
        Filesize

        7.7MB

      • memory/1956-11-0x0000000006320000-0x000000000637E000-memory.dmp
        Filesize

        376KB

      • memory/1956-4-0x00000000052C0000-0x0000000005352000-memory.dmp
        Filesize

        584KB

      • memory/1956-5-0x0000000005170000-0x0000000005180000-memory.dmp
        Filesize

        64KB

      • memory/1956-6-0x0000000005200000-0x000000000520A000-memory.dmp
        Filesize

        40KB

      • memory/1956-7-0x0000000005510000-0x0000000005566000-memory.dmp
        Filesize

        344KB

      • memory/1956-8-0x00000000054F0000-0x00000000054F8000-memory.dmp
        Filesize

        32KB

      • memory/1956-9-0x00000000752D0000-0x0000000075A80000-memory.dmp
        Filesize

        7.7MB

      • memory/1956-0-0x00000000752D0000-0x0000000075A80000-memory.dmp
        Filesize

        7.7MB

      • memory/1956-3-0x0000000005870000-0x0000000005E14000-memory.dmp
        Filesize

        5.6MB

      • memory/1956-2-0x0000000005220000-0x00000000052BC000-memory.dmp
        Filesize

        624KB

      • memory/1956-10-0x0000000005170000-0x0000000005180000-memory.dmp
        Filesize

        64KB

      • memory/1956-1-0x00000000007D0000-0x000000000084C000-memory.dmp
        Filesize

        496KB

      • memory/3336-16-0x00000000752D0000-0x0000000075A80000-memory.dmp
        Filesize

        7.7MB

      • memory/3336-18-0x00000000056B0000-0x00000000056C0000-memory.dmp
        Filesize

        64KB

      • memory/3336-24-0x00000000056B0000-0x00000000056C0000-memory.dmp
        Filesize

        64KB

      • memory/3336-19-0x0000000005A50000-0x0000000005A68000-memory.dmp
        Filesize

        96KB

      • memory/3336-20-0x00000000064F0000-0x0000000006556000-memory.dmp
        Filesize

        408KB

      • memory/3336-21-0x00000000752D0000-0x0000000075A80000-memory.dmp
        Filesize

        7.7MB

      • memory/3336-22-0x00000000056B0000-0x00000000056C0000-memory.dmp
        Filesize

        64KB

      • memory/3336-23-0x0000000006760000-0x00000000067B0000-memory.dmp
        Filesize

        320KB

      • memory/3336-13-0x0000000000400000-0x000000000043C000-memory.dmp
        Filesize

        240KB