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Overview

overview

9

Static

static

3

b541aed2f6...18.exe

windows7-x64

9

b541aed2f6...18.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/08/2024, 22:15

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General

  • Target

    b541aed2f609082ee9dc5a4934176056_JaffaCakes118.exe

  • Size

    1.1MB

  • MD5

    b541aed2f609082ee9dc5a4934176056

  • SHA1

    4c136066fa714406757a69f52eff25d535b24c5e

  • SHA256

    67cecfddebab4d2f36796eaf71da52520fd70132f412d45ae421e055eeca9d29

  • SHA512

    e6db3e094356d4ba96a833ad73c3677dd1cd2ca6ebd358652a128671a0c2f7e9aa564d8bd24d82dbbc426f7fbc99ee504b2c018c64e2454a80b5909f107337bd

  • SSDEEP

    24576:MYopstiuEXE+HxW3KSdeTGraVbDQ7hGFQUQef13Gl/F/AOkCIb:MlKtg5xT3ZVQ7hxU3olNAOkx

Score
9/10
credential_accessdiscoveryspywarestealerupx

Malware Config

Signatures

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

    credential_accessstealer
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

    spywarestealer
  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    spywarestealer
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • UPX packed file 3 IoCs

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

    upx
  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

    credential_accessstealer
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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.

    discovery
  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b541aed2f609082ee9dc5a4934176056_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b541aed2f609082ee9dc5a4934176056_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3032
    • C:\Users\Admin\AppData\Local\Temp\Steam_Brute.exe
      "C:\Users\Admin\AppData\Local\Temp\Steam_Brute.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:4380

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Steam_Brute.exe
    Filesize

    1.1MB

    MD5

    e2c319717ff50ebaed41ed32cc897417

    SHA1

    3aacecc7b42fed3e84c1685c62f950d114c0b5e0

    SHA256

    c9efafc7ddc366c7a8f0d0e62427a61ad6c05177c7a9944c00e29b25bb016978

    SHA512

    10d33b94f4cd8f5e13bd9ed652f8996fa92558de8c2da6570e56a628fb7f55e99978e3e101b0bf01ceb8063789e212f617f4d2c91a3f0aba220f7408e6580671

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\ufr_reports\NO_PWDS_report_21-08-2024_22-15-47-7F6B64BB-JKEH.bin
    Filesize

    1KB

    MD5

    228f731b99d3f24ae98642b7ce42bfe4

    SHA1

    01fd963be9f3611ac10be6280c2ec8021da8f231

    SHA256

    ce92be35cd35fd1f4122ce50d8c02d1855db852b87f7b172483a311bc7c06ed2

    SHA512

    97df740efe44454e539aa048d7af887fd276989b4d4fc696f350c37995fccbba4968e68607b5aa529c5eb20dd1645ee6d78deb69808b597ae9251281065f4b35

    Download Submit

  • memory/3032-0-0x0000000000400000-0x0000000000567000-memory.dmp

    Filesize

    1.4MB

    Download

  • memory/3032-18-0x0000000000400000-0x0000000000567000-memory.dmp

    Filesize

    1.4MB

    Download

  • memory/4380-20-0x0000000000400000-0x0000000000729000-memory.dmp

    Filesize

    3.2MB

    Download

  • memory/4380-21-0x00000000024D0000-0x00000000024D1000-memory.dmp

    Filesize

    4KB

    Download

  • memory/4380-22-0x0000000000400000-0x0000000000729000-memory.dmp

    Filesize

    3.2MB

    Download