Analysis

  • max time kernel
    145s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/02/2024, 00:12

General

  • Target
    9eefc8966e7a067115d7130999787231.exe
  • Size 255KB
  • Sample240216-ahly2scb2w
  • SHA256 becdaf5250537885c25b309ec025140810e0eee90b8602fb1f6566bb9988f2e5
  • 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\9eefc8966e7a067115d7130999787231.exe
    "C:\Users\Admin\AppData\Local\Temp\9eefc8966e7a067115d7130999787231.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3744
    • C:\Users\Admin\AppData\Local\Temp\7zS4E9D.tmp\5123b62fbbf97.exe
      .\5123b62fbbf97.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops Chrome extension
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      • System policy modification
      PID:4652

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\7zS4E9D.tmp\[email protected]\bootstrap.js
        • Size 2KB
        • SHA256 f31d82db0ac2a6ad42c45c8618e4e2373a22bb8fc1938d9a66615566597cf2be
        • MD5 SHA1 SHA512

        chrome.manifest

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4E9D.tmp\[email protected]\chrome.manifest
        • Size 116B
        • SHA256 3cadea0190926a14986af5b3eec7bb2499ce63240bd71c02dcd9118cec9a3df1
        • MD5 SHA1 SHA512

        bg.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4E9D.tmp\[email protected]\content\bg.js
        • Size 8KB
        • SHA256 6b9d4e942d64b4695e74b281131316b4b5902ec3628ff3b1aff3df096f954f9f
        • MD5 SHA1 SHA512 SSDEEP

        zy.xul

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4E9D.tmp\[email protected]\content\zy.xul
        • Size 225B
        • SHA256 23a760e90d56bf758d972b22e736906257648490b40e1410f9dd269a9d1e3445
        • MD5 SHA1 SHA512

        install.rdf

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4E9D.tmp\[email protected]\install.rdf
        • Size 705B
        • SHA256 a846e9951cd05b09f94787b31c5ad2333172291aabb4350c87e41015cae7b15d
        • MD5 SHA1 SHA512

        5123b62fbbf97.exe

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4E9D.tmp\5123b62fbbf97.exe
        • Size 71KB
        • SHA256 d205693516dbaf34cfbd216e825190de4de1412e861bc9cb30ce863907b30d22
        • MD5 SHA1 SHA512 SSDEEP

        5123b62fbbfd0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4E9D.tmp\5123b62fbbfd0.dll
        • Size 115KB
        • SHA256 d4bb7937b36973cbf3b12c9500c25ed34103944a69bad9162f3b98f39474529c
        • MD5 SHA1 SHA512 SSDEEP

        5123b62fbbfd0.tlb

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4E9D.tmp\5123b62fbbfd0.tlb
        • Size 18KB
        • SHA256 ac3a1daa32b1c489f9c2f4413ab35c4fc90b54a52ede0fb53276666e6eeef16f
        • MD5 SHA1 SHA512 SSDEEP

        5123b62fbbdb05.75695897.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4E9D.tmp\epnjpdfggejbehkeoinkhokokphkinbl\5123b62fbbdb05.75695897.js
        • Size 4KB
        • SHA256 4e5f170c8bd67c826632f40d16897e146a5c63a951de0d2a5b8943d664a9338f
        • MD5 SHA1 SHA512 SSDEEP

        background.html

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4E9D.tmp\epnjpdfggejbehkeoinkhokokphkinbl\background.html
        • Size 161B
        • SHA256 3db79886425d51104bef8cf477919628a31a5c9ec2d15515163cbb760ed2b525
        • MD5 SHA1 SHA512

        content.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4E9D.tmp\epnjpdfggejbehkeoinkhokokphkinbl\content.js
        • Size 197B
        • SHA256 fb01e87250ac9985ed08d97f2f99937a52998ea9faebdc88e4071d6517e1ea6b
        • MD5 SHA1 SHA512

        lsdb.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4E9D.tmp\epnjpdfggejbehkeoinkhokokphkinbl\lsdb.js
        • Size 559B
        • SHA256 e3cf0049af8b9f6cb4f0223ccb8438f4b0c75863684c944450015868a0c45704
        • MD5 SHA1 SHA512

        manifest.json

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4E9D.tmp\epnjpdfggejbehkeoinkhokokphkinbl\manifest.json
        • Size 498B
        • SHA256 bc37661db8508b5979b986e56c34016ca01be0f782478e37da434ea137e116ab
        • MD5 SHA1 SHA512

        sqlite.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4E9D.tmp\epnjpdfggejbehkeoinkhokokphkinbl\sqlite.js
        • Size 1KB
        • SHA256 dbf6c3518f39f09343356e39734fd4cbd027abbd918d5be95ed4ba0296cf4f3b
        • MD5 SHA1 SHA512

        settings.ini

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4E9D.tmp\settings.ini
        • Size 6KB
        • SHA256 50cd7cf3fd958f3f4c459c83eef5d54167d213b93f134fdbd52ec7316e5c58b6
        • MD5 SHA1 SHA512 SSDEEP

        UserInfo.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsy4F69.tmp\UserInfo.dll
        • Size 4KB
        • SHA256 564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5
        • MD5 SHA1 SHA512

        nsJSON.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsy4F69.tmp\nsJSON.dll
        • Size 7KB
        • SHA256 49b173504eb9cd07e42a3c4deb84c2cd3f3b49c7fb0858aee43ddfc64660e384
        • MD5 SHA1 SHA512 SSDEEP

        memory/4652-79-0x0000000074180000-0x000000007418A000-memory.dmp