Analysis

  • max time kernel
    140s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21-09-2024 08:34

General

  • Target

    ef6b7128c7786f40111e700d38f10b8f_JaffaCakes118.exe

  • Size

    678KB

  • MD5

    ef6b7128c7786f40111e700d38f10b8f

  • SHA1

    14738e7b2c7cc9a6a2ec3c7a850807623225df32

  • SHA256

    24d8632d58bfa7019f691346f9715cef64dc11887fc5140054ecf5b422f1f68d

  • SHA512

    7a0eaacfd36959ae68d60936be911b4cd6e81e5575150e2399cfac60df3cb817168f676f5efd09b74af5be296ccd9decf0af94e5b026b44f1c0e078566dd061a

  • SSDEEP

    12288:S9+UFSbzwd6xyFjH8H1NDNCqovrO4OsOjk8pXcivm:k+pbzwIxk4VdoqmOztG

Malware Config

Signatures

  • AgentTesla

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

  • AgentTesla payload 6 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.

  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 3 IoCs

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\ef6b7128c7786f40111e700d38f10b8f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ef6b7128c7786f40111e700d38f10b8f_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1620
    • C:\Users\Admin\AppData\Local\Temp\ef6b7128c7786f40111e700d38f10b8f_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\ef6b7128c7786f40111e700d38f10b8f_JaffaCakes118.exe"
      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:2312

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1620-0-0x0000000000380000-0x0000000000381000-memory.dmp

    Filesize

    4KB

  • memory/1620-2-0x0000000000700000-0x0000000000713000-memory.dmp

    Filesize

    76KB

  • memory/1620-3-0x00000000005F0000-0x00000000005F1000-memory.dmp

    Filesize

    4KB

  • memory/1620-1-0x0000000000700000-0x0000000000713000-memory.dmp

    Filesize

    76KB

  • memory/1620-6-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2312-13-0x0000000000400000-0x0000000000484000-memory.dmp

    Filesize

    528KB

  • memory/2312-9-0x0000000000400000-0x0000000000484000-memory.dmp

    Filesize

    528KB

  • memory/2312-11-0x00000000002D0000-0x000000000030C000-memory.dmp

    Filesize

    240KB

  • memory/2312-12-0x00000000002D0000-0x000000000030C000-memory.dmp

    Filesize

    240KB

  • memory/2312-8-0x0000000000400000-0x0000000000484000-memory.dmp

    Filesize

    528KB

  • memory/2312-4-0x0000000000400000-0x0000000000484000-memory.dmp

    Filesize

    528KB

  • memory/2312-24-0x0000000000400000-0x0000000000484000-memory.dmp

    Filesize

    528KB

  • memory/2312-25-0x0000000000400000-0x0000000000484000-memory.dmp

    Filesize

    528KB