Analysis

  • max time kernel
    101s
  • max time network
    105s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    08/09/2022, 06:22

General

  • Target
    file.exe
  • Size 5.9MB
  • Sample220908-g4xe8sbahn
  • SHA256 c5b4ef6efd9f7da867cceb90761c47c62e882bce0cc20ca88f5f73fb7308c01c
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses 2FA software files, possible credential harvesting 2 TTPs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1684
    • C:\Users\Admin\AppData\Local\Temp\Setup.exe
      C:\Users\Admin\AppData\Local\Temp\Setup.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:1084

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        Setup.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Setup.exe
        • Size 436.8MB
        • SHA256 091b165901f902328f638429c42092de4360c4bb16d27e7642811c9b294c1df0
        • MD5 SHA1 SHA512 SSDEEP

        Setup.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Setup.exe
        • Size 436.8MB
        • SHA256 091b165901f902328f638429c42092de4360c4bb16d27e7642811c9b294c1df0
        • MD5 SHA1 SHA512 SSDEEP

        mozglue.dll

        • Path \ProgramData\mozglue.dll
        • Size 133KB
        • SHA256 3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd
        • MD5 SHA1 SHA512 SSDEEP

        nss3.dll

        • Path \ProgramData\nss3.dll
        • Size 1.2MB
        • SHA256 e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78
        • MD5 SHA1 SHA512 SSDEEP

        sqlite3.dll

        • Path \ProgramData\sqlite3.dll
        • Size 630KB
        • SHA256 16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660
        • MD5 SHA1 SHA512 SSDEEP

        Setup.exe

        • Path \Users\Admin\AppData\Local\Temp\Setup.exe
        • Size 436.8MB
        • SHA256 091b165901f902328f638429c42092de4360c4bb16d27e7642811c9b294c1df0
        • MD5 SHA1 SHA512 SSDEEP

        memory/1084-60-0x0000000000F30000-0x0000000001911000-memory.dmp

        memory/1084-63-0x0000000000F30000-0x0000000001911000-memory.dmp

        memory/1084-67-0x0000000000F30000-0x0000000001911000-memory.dmp

        memory/1684-54-0x0000000076401000-0x0000000076403000-memory.dmp