Analysis

  • max time kernel
    88s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/02/2024, 01:22

General

  • Target
    8b06829c72fd9c7d7d45bd7cb26873f6.exe
  • Size 255KB
  • Sample240203-brkb9adfb7
  • SHA256 2ea82ede7d8635caf786448ef3c77ad9e1b404e0f0e988b272887743799c456e
  • 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\8b06829c72fd9c7d7d45bd7cb26873f6.exe
    "C:\Users\Admin\AppData\Local\Temp\8b06829c72fd9c7d7d45bd7cb26873f6.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2316
    • C:\Users\Admin\AppData\Local\Temp\7zS4045.tmp\51556d8f8aeb3.exe
      .\51556d8f8aeb3.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops Chrome extension
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      • System policy modification
      PID:1456

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        uninstall.exe

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

        51556d8f8aeb3.exe

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4045.tmp\51556d8f8aeb3.exe
        • Size 71KB
        • SHA256 d205693516dbaf34cfbd216e825190de4de1412e861bc9cb30ce863907b30d22
        • MD5 SHA1 SHA512 SSDEEP

        51556d8f8aeea.dll

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4045.tmp\51556d8f8aeea.dll
        • Size 115KB
        • SHA256 d4bb7937b36973cbf3b12c9500c25ed34103944a69bad9162f3b98f39474529c
        • MD5 SHA1 SHA512 SSDEEP

        51556d8f8aeea.tlb

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4045.tmp\51556d8f8aeea.tlb
        • Size 18KB
        • SHA256 ac3a1daa32b1c489f9c2f4413ab35c4fc90b54a52ede0fb53276666e6eeef16f
        • MD5 SHA1 SHA512 SSDEEP

        51556d8f8aced0.79514452.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4045.tmp\pocfahkbeinpolkcpidjlhbjnkbgdcjf\51556d8f8aced0.79514452.js
        • Size 4KB
        • SHA256 57adda04219ff1be0c7141ded9e0f97bb3e50589e9d912138feac977a189a237
        • MD5 SHA1 SHA512 SSDEEP

        background.html

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4045.tmp\pocfahkbeinpolkcpidjlhbjnkbgdcjf\background.html
        • Size 161B
        • SHA256 7226f02acd72b34e2bed5475149133a5950eaad349889074221d31814788a509
        • MD5 SHA1 SHA512

        content.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4045.tmp\pocfahkbeinpolkcpidjlhbjnkbgdcjf\content.js
        • Size 197B
        • SHA256 fb01e87250ac9985ed08d97f2f99937a52998ea9faebdc88e4071d6517e1ea6b
        • MD5 SHA1 SHA512

        lsdb.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4045.tmp\pocfahkbeinpolkcpidjlhbjnkbgdcjf\lsdb.js
        • Size 559B
        • SHA256 e3cf0049af8b9f6cb4f0223ccb8438f4b0c75863684c944450015868a0c45704
        • MD5 SHA1 SHA512

        manifest.json

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4045.tmp\pocfahkbeinpolkcpidjlhbjnkbgdcjf\manifest.json
        • Size 501B
        • SHA256 14d2911f8603fe7d33b3827315b954cc28d74707d7fef8986c70361fce2546c2
        • MD5 SHA1 SHA512

        sqlite.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4045.tmp\pocfahkbeinpolkcpidjlhbjnkbgdcjf\sqlite.js
        • Size 1KB
        • SHA256 1a9338000a08a66174a987a0a2882796927a6d36ce27debcdc7f77ce07a0ec8d
        • MD5 SHA1 SHA512

        settings.ini

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4045.tmp\settings.ini
        • Size 6KB
        • SHA256 2923e710704e71b5df9d79e59e01114ad3584ddefbcb08e1eb3f334a2a722348
        • MD5 SHA1 SHA512 SSDEEP

        bootstrap.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4045.tmp\[email protected]\bootstrap.js
        • Size 2KB
        • SHA256 2a61c982ec4c20bf2e28502221ce295e76ae75956fa8619fb34408aa966ff773
        • MD5 SHA1 SHA512

        chrome.manifest

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4045.tmp\[email protected]\chrome.manifest
        • Size 116B
        • SHA256 abb66d460c8d1df7d9dc9b1afcb4cd06f9fa7e654553883155cfb2a74cbe6625
        • MD5 SHA1 SHA512

        bg.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4045.tmp\[email protected]\content\bg.js
        • Size 8KB
        • SHA256 39ca39f299353f79989b7219cf1eeee8b9026ed5243a157e0d06307ff29f1824
        • MD5 SHA1 SHA512 SSDEEP

        zy.xul

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4045.tmp\[email protected]\content\zy.xul
        • Size 225B
        • SHA256 714615ad3829a64afdc9d9bded515fd1d7654800cb8659167ea3c4cd1fa53da4
        • MD5 SHA1 SHA512

        install.rdf

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4045.tmp\[email protected]\install.rdf
        • Size 604B
        • SHA256 4606309c7623d128ac35b9ec551fe75ec1147c3f487aedebb21ff953bc768bc5
        • MD5 SHA1 SHA512

        UserInfo.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsd4150.tmp\UserInfo.dll
        • Size 4KB
        • SHA256 564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5
        • MD5 SHA1 SHA512

        nsJSON.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsd4150.tmp\nsJSON.dll
        • Size 7KB
        • SHA256 49b173504eb9cd07e42a3c4deb84c2cd3f3b49c7fb0858aee43ddfc64660e384
        • MD5 SHA1 SHA512 SSDEEP

        memory/1456-78-0x00000000745E0000-0x00000000745EA000-memory.dmp