Analysis

  • max time kernel
    140s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/02/2024, 14:19

General

  • Target
    9be6387bcaa312ce6bb4122bb3de5f3a.exe
  • Size 250KB
  • Sample240214-rm4s4ach8t
  • SHA256 3a6bf83a674098c1acac99f65db8196d3bca216624300621d5f29c6603cf93b6
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 2 IoCs

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

  • Checks installed software on the system 1 TTPs

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

  • Drops Chrome extension 1 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Enumerates physical storage devices 1 TTPs

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

  • NSIS installer 4 IoCs
  • Modifies registry class 45 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9be6387bcaa312ce6bb4122bb3de5f3a.exe
    "C:\Users\Admin\AppData\Local\Temp\9be6387bcaa312ce6bb4122bb3de5f3a.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4992
    • C:\Users\Admin\AppData\Local\Temp\7zSBB70.tmp\5103ef21d8db3.exe
      .\5103ef21d8db3.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops Chrome extension
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      • System policy modification
      PID:5004

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        uninstall.exe

        • Path C:\ProgramData\SaveSale\uninstall.exe
        • Size 48KB
        • SHA256 a76272ed3bbf23308782a308d428ee805ec77fbb622a830af26cb0ddbbf7377b
        • MD5 SHA1 SHA512 SSDEEP

        bootstrap.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zSBB70.tmp\[email protected]\bootstrap.js
        • Size 2KB
        • SHA256 1d908a23b6853e705518924fd54c65f126a49683175a87381079e1913a9198af
        • MD5 SHA1 SHA512

        chrome.manifest

        • Path C:\Users\Admin\AppData\Local\Temp\7zSBB70.tmp\[email protected]\chrome.manifest
        • Size 116B
        • SHA256 2f0ee36f33b6c0ab3d811ce80f940060eda5f8e17e03eef2b695d09d6275f11a
        • MD5 SHA1 SHA512

        bg.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zSBB70.tmp\[email protected]\content\bg.js
        • Size 8KB
        • SHA256 fae86f885590ed2990ea6e3435a55adfca9819f3bfec8f936ad77ec4bd1b2b6e
        • MD5 SHA1 SHA512 SSDEEP

        zy.xul

        • Path C:\Users\Admin\AppData\Local\Temp\7zSBB70.tmp\[email protected]\content\zy.xul
        • Size 225B
        • SHA256 4524b44bec812da66d1c420046a8772b0bb09e673d2238c22b6a3b753e6765ad
        • MD5 SHA1 SHA512

        install.rdf

        • Path C:\Users\Admin\AppData\Local\Temp\7zSBB70.tmp\[email protected]\install.rdf
        • Size 705B
        • SHA256 488289348c7d686dcea2cfc9bb1ba48d37c1e14c32135321a179eb477dccce38
        • MD5 SHA1 SHA512

        5103ef21d8db3.exe

        • Path C:\Users\Admin\AppData\Local\Temp\7zSBB70.tmp\5103ef21d8db3.exe
        • Size 71KB
        • SHA256 d205693516dbaf34cfbd216e825190de4de1412e861bc9cb30ce863907b30d22
        • MD5 SHA1 SHA512 SSDEEP

        5103ef21d8de6.dll

        • Path C:\Users\Admin\AppData\Local\Temp\7zSBB70.tmp\5103ef21d8de6.dll
        • Size 118KB
        • SHA256 67014a6fc8a77ae480dae9b09f800a1f40a40399ef967f86843a80eb4c9eb470
        • MD5 SHA1 SHA512 SSDEEP

        5103ef21d8de6.tlb

        • Path C:\Users\Admin\AppData\Local\Temp\7zSBB70.tmp\5103ef21d8de6.tlb
        • Size 2KB
        • SHA256 0a94d2086eb6ac57ba5ee365d3f6f64f33e7c8d18419f04715460bc04ebddf2d
        • MD5 SHA1 SHA512

        5103ef21d8bc54.84892221.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zSBB70.tmp\eigfgiaafkmhmbhjfeafncdjohkkmhcg\5103ef21d8bc54.84892221.js
        • Size 4KB
        • SHA256 66758d3e83590eb3b7dafad1ccc0349cec915d6acf15ede71db1bff9c014eb4a
        • MD5 SHA1 SHA512 SSDEEP

        background.html

        • Path C:\Users\Admin\AppData\Local\Temp\7zSBB70.tmp\eigfgiaafkmhmbhjfeafncdjohkkmhcg\background.html
        • Size 161B
        • SHA256 e6d36dfa5d0c245175ca8a2cb67d45a5fd82b961d6ef38a095e836fa7c4f4f24
        • MD5 SHA1 SHA512

        content.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zSBB70.tmp\eigfgiaafkmhmbhjfeafncdjohkkmhcg\content.js
        • Size 197B
        • SHA256 fb01e87250ac9985ed08d97f2f99937a52998ea9faebdc88e4071d6517e1ea6b
        • MD5 SHA1 SHA512

        lsdb.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zSBB70.tmp\eigfgiaafkmhmbhjfeafncdjohkkmhcg\lsdb.js
        • Size 559B
        • SHA256 e3cf0049af8b9f6cb4f0223ccb8438f4b0c75863684c944450015868a0c45704
        • MD5 SHA1 SHA512

        manifest.json

        • Path C:\Users\Admin\AppData\Local\Temp\7zSBB70.tmp\eigfgiaafkmhmbhjfeafncdjohkkmhcg\manifest.json
        • Size 479B
        • SHA256 b1be25ea1fe61baa1146311b38db45e3d96d2839c355b6178aac0e55c98a0eb8
        • MD5 SHA1 SHA512

        sqlite.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zSBB70.tmp\eigfgiaafkmhmbhjfeafncdjohkkmhcg\sqlite.js
        • Size 1KB
        • SHA256 8c550016e49aaeade6ac06cff3d4ecb9235dcfb306eb24835147a937e7284910
        • MD5 SHA1 SHA512

        settings.ini

        • Path C:\Users\Admin\AppData\Local\Temp\7zSBB70.tmp\settings.ini
        • Size 6KB
        • SHA256 a78c1d17e109dbe6fdb63c603a02212368bc1478bf7ce2be0bf528836089befb
        • MD5 SHA1 SHA512 SSDEEP

        UserInfo.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nswC8DF.tmp\UserInfo.dll
        • Size 4KB
        • SHA256 564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5
        • MD5 SHA1 SHA512

        nsJSON.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nswC8DF.tmp\nsJSON.dll
        • Size 7KB
        • SHA256 49b173504eb9cd07e42a3c4deb84c2cd3f3b49c7fb0858aee43ddfc64660e384
        • MD5 SHA1 SHA512 SSDEEP

        memory/5004-78-0x00000000742F0000-0x00000000742FA000-memory.dmp