Analysis

  • max time kernel
    140s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-09-2024 11:59

General

  • Target

    ed893aa45053dc80986f48fefd06a33c_JaffaCakes118.exe

  • Size

    533KB

  • MD5

    ed893aa45053dc80986f48fefd06a33c

  • SHA1

    c6641d9247952c4e2977a2b023e1ce3059e6c8cc

  • SHA256

    e48ad1af19d81a72382df9f635732966f080faf64d4be61e9ffcfc8939adcfb8

  • SHA512

    93abb3d8eb7e451a14199cbb1cefea8c9a33edeee66ca714c59c91ab2c582e2d45b08035710c23f70410a8fc0a1f944dc0a086d4794448c474a23301e6f67eb1

  • SSDEEP

    12288:q1Qj8Bfsr7aCZw6H8tpvi8tZ+hE/uzMB++rvKHIDhSIL9/NvlLwjs0RXzGQYxN5Y:URrSo15LfvlLqs9ACKn

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.dveshop.ro/
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    dV@%U*)mylqa

Signatures

  • AgentTesla

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

  • AgentTesla payload 1 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • 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.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • 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 5 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\ed893aa45053dc80986f48fefd06a33c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ed893aa45053dc80986f48fefd06a33c_JaffaCakes118.exe"
    1⤵
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2164
    • C:\Users\Admin\AppData\Local\Temp\ed893aa45053dc80986f48fefd06a33c_JaffaCakes118.exe
      "{path}"
      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:624

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\ed893aa45053dc80986f48fefd06a33c_JaffaCakes118.exe.log

    Filesize

    700B

    MD5

    9cd215da9ae59b8b7f749a0e987e7655

    SHA1

    764d7454b2636f91279399e02588dc58ac1b54f9

    SHA256

    705c524170db5d0bcf7e5e97ebe61a07d95652e0cebca98842291fc727665cb7

    SHA512

    bbf202af2c49f87c3632959229f22ea8de7224f5ac6ef353e1addeff5fc76c248fcbdcc5edad1d691ad4e2eef401ca3a55b2ae3b1fb04aea671b43f4fbcef4f5

  • memory/624-16-0x0000000075080000-0x0000000075830000-memory.dmp

    Filesize

    7.7MB

  • memory/624-15-0x00000000052F0000-0x0000000005894000-memory.dmp

    Filesize

    5.6MB

  • memory/624-13-0x0000000075080000-0x0000000075830000-memory.dmp

    Filesize

    7.7MB

  • memory/624-22-0x0000000075080000-0x0000000075830000-memory.dmp

    Filesize

    7.7MB

  • memory/624-21-0x00000000063D0000-0x00000000063DA000-memory.dmp

    Filesize

    40KB

  • memory/624-20-0x0000000005F20000-0x0000000005F70000-memory.dmp

    Filesize

    320KB

  • memory/624-19-0x0000000075080000-0x0000000075830000-memory.dmp

    Filesize

    7.7MB

  • memory/624-18-0x0000000075080000-0x0000000075830000-memory.dmp

    Filesize

    7.7MB

  • memory/624-17-0x0000000004F60000-0x0000000004F78000-memory.dmp

    Filesize

    96KB

  • memory/624-10-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/624-23-0x0000000075080000-0x0000000075830000-memory.dmp

    Filesize

    7.7MB

  • memory/2164-7-0x0000000007BA0000-0x0000000007BF0000-memory.dmp

    Filesize

    320KB

  • memory/2164-9-0x0000000005B60000-0x0000000005BC6000-memory.dmp

    Filesize

    408KB

  • memory/2164-3-0x0000000004F10000-0x0000000004FA2000-memory.dmp

    Filesize

    584KB

  • memory/2164-0-0x000000007508E000-0x000000007508F000-memory.dmp

    Filesize

    4KB

  • memory/2164-14-0x0000000075080000-0x0000000075830000-memory.dmp

    Filesize

    7.7MB

  • memory/2164-8-0x0000000005AC0000-0x0000000005B5C000-memory.dmp

    Filesize

    624KB

  • memory/2164-2-0x0000000000C60000-0x0000000000C72000-memory.dmp

    Filesize

    72KB

  • memory/2164-6-0x0000000005460000-0x00000000054B6000-memory.dmp

    Filesize

    344KB

  • memory/2164-5-0x0000000075080000-0x0000000075830000-memory.dmp

    Filesize

    7.7MB

  • memory/2164-4-0x000000007508E000-0x000000007508F000-memory.dmp

    Filesize

    4KB

  • memory/2164-1-0x0000000000590000-0x000000000061C000-memory.dmp

    Filesize

    560KB