Analysis

  • max time kernel
    130s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    15-09-2024 13:39

General

  • Target

    e29b39335668109ee4c21dee344e7440_JaffaCakes118.exe

  • Size

    372KB

  • MD5

    e29b39335668109ee4c21dee344e7440

  • SHA1

    35cb6f0ba4ceb2190448c00e65add5d360ac90aa

  • SHA256

    e224cad667100ff7a9e844daa26754e8868559e322180bb5e5af8a092a110593

  • SHA512

    57288c2412bd0f58d2838edc08b1167a435e6a15d1e3600a1cb92e0a002159fde58dcb3d8647f54693126b0eef3476e7d3a3c5cc0d6fe979a90c855c0cdd4ed9

  • SSDEEP

    6144:p9NtPjdTlDNKMdUjR7YYuRz7BJHedbE3A6x5YLfsWBjs7ikWRNhZWe48mL395Res:NtPBPdUNnoH2bE3A6x5KxkGYvdd05E7

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot1334164197:AAHq_iXmNrtcwtwuY6ayBL5myHMF1EDxFaY/sendDocument

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.

  • 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
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

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

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e29b39335668109ee4c21dee344e7440_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e29b39335668109ee4c21dee344e7440_JaffaCakes118.exe"
    1⤵
    • Accesses Microsoft Outlook profiles
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • outlook_office_path
    • outlook_win_path
    PID:2688

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2688-0-0x0000000074E5E000-0x0000000074E5F000-memory.dmp

    Filesize

    4KB

  • memory/2688-1-0x0000000000C90000-0x0000000000CF6000-memory.dmp

    Filesize

    408KB

  • memory/2688-2-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/2688-3-0x0000000074E50000-0x000000007553E000-memory.dmp

    Filesize

    6.9MB

  • memory/2688-4-0x0000000074E5E000-0x0000000074E5F000-memory.dmp

    Filesize

    4KB

  • memory/2688-5-0x0000000074E50000-0x000000007553E000-memory.dmp

    Filesize

    6.9MB

  • memory/2688-6-0x00000000003F0000-0x000000000041E000-memory.dmp

    Filesize

    184KB

  • memory/2688-7-0x0000000000610000-0x000000000064C000-memory.dmp

    Filesize

    240KB

  • memory/2688-8-0x0000000074E50000-0x000000007553E000-memory.dmp

    Filesize

    6.9MB

  • memory/2688-9-0x0000000074E50000-0x000000007553E000-memory.dmp

    Filesize

    6.9MB