Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/11/2024, 15:43

General

  • Target
    65f95d4c4a4222059284139076292b3617fad9656f16b2e1015b34f81760fefdN.exe
  • Size 250KB
  • Sample241107-s5v5cavjay
  • SHA256 65f95d4c4a4222059284139076292b3617fad9656f16b2e1015b34f81760fefd
  • 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 3 TTPs

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

  • 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.

  • UPX packed file 2 IoCs

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

  • 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.

  • 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\65f95d4c4a4222059284139076292b3617fad9656f16b2e1015b34f81760fefdN.exe
    "C:\Users\Admin\AppData\Local\Temp\65f95d4c4a4222059284139076292b3617fad9656f16b2e1015b34f81760fefdN.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1144
    • C:\Users\Admin\AppData\Local\Temp\7zS8925.tmp\5117642dcec02.exe
      .\5117642dcec02.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops Chrome extension
      • Installs/modifies Browser Helper Object
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • System policy modification
      PID:1572

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        uninstall.exe

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

        bootstrap.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8925.tmp\[email protected]\bootstrap.js
        • Size 2KB
        • SHA256 4c563086d0e842fcfdfcb7377005e7f5f44fc75782a32551c5853f27286a3fc2
        • MD5 SHA1 SHA512

        chrome.manifest

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8925.tmp\[email protected]\chrome.manifest
        • Size 116B
        • SHA256 1e8369497738dd9189c90c05d5d371e8e908517b5b1eeb117258ee681a336d80
        • MD5 SHA1 SHA512

        bg.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8925.tmp\[email protected]\content\bg.js
        • Size 8KB
        • SHA256 1d2ecf41975c903286350993c9ea8c8e00b04977c6ae51d4f6f28f2fb2620a5b
        • MD5 SHA1 SHA512 SSDEEP

        zy.xul

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8925.tmp\[email protected]\content\zy.xul
        • Size 225B
        • SHA256 fe2c6644efc26a98edc7b29cdce4d6f01f800883ee406afe2b73aa7c96ab01ea
        • MD5 SHA1 SHA512

        install.rdf

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8925.tmp\[email protected]\install.rdf
        • Size 700B
        • SHA256 885cf7f5477aae126f8088ed3cbf12da0915c21d54219083b9ad1254ad1353bd
        • MD5 SHA1 SHA512

        5117642dcec02.exe

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8925.tmp\5117642dcec02.exe
        • Size 71KB
        • SHA256 d205693516dbaf34cfbd216e825190de4de1412e861bc9cb30ce863907b30d22
        • MD5 SHA1 SHA512 SSDEEP

        5117642dcec3b.dll

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8925.tmp\5117642dcec3b.dll
        • Size 118KB
        • SHA256 67014a6fc8a77ae480dae9b09f800a1f40a40399ef967f86843a80eb4c9eb470
        • MD5 SHA1 SHA512 SSDEEP

        5117642dcec3b.tlb

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8925.tmp\5117642dcec3b.tlb
        • Size 2KB
        • SHA256 0a94d2086eb6ac57ba5ee365d3f6f64f33e7c8d18419f04715460bc04ebddf2d
        • MD5 SHA1 SHA512

        5117642dce9fd7.02301309.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8925.tmp\milpcllefklcpfhfogdpnclfohhmdmgm\5117642dce9fd7.02301309.js
        • Size 4KB
        • SHA256 37619163e4115918176a138d34f100c6006d62296e3fd919c6e187209a3a1d2c
        • MD5 SHA1 SHA512 SSDEEP

        background.html

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8925.tmp\milpcllefklcpfhfogdpnclfohhmdmgm\background.html
        • Size 161B
        • SHA256 2b5f3f4b2279ea615f9e4f3cf64c16122c03034de74d264a84117a11ed224cba
        • MD5 SHA1 SHA512

        content.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8925.tmp\milpcllefklcpfhfogdpnclfohhmdmgm\content.js
        • Size 197B
        • SHA256 fb01e87250ac9985ed08d97f2f99937a52998ea9faebdc88e4071d6517e1ea6b
        • MD5 SHA1 SHA512

        lsdb.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8925.tmp\milpcllefklcpfhfogdpnclfohhmdmgm\lsdb.js
        • Size 559B
        • SHA256 e3cf0049af8b9f6cb4f0223ccb8438f4b0c75863684c944450015868a0c45704
        • MD5 SHA1 SHA512

        manifest.json

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8925.tmp\milpcllefklcpfhfogdpnclfohhmdmgm\manifest.json
        • Size 479B
        • SHA256 a631255a7467449ff89bb97a8d97632411076d00bfb8dc84c19abd100e235e7c
        • MD5 SHA1 SHA512

        sqlite.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8925.tmp\milpcllefklcpfhfogdpnclfohhmdmgm\sqlite.js
        • Size 1KB
        • SHA256 295731c539e930f0decd93740879bf50ccc374d79fed7b7e9bcc76b78e9e96fb
        • MD5 SHA1 SHA512

        settings.ini

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8925.tmp\settings.ini
        • Size 7KB
        • SHA256 5924b2ea6a6d2b098bac22c955b6e0f34658e32ea260860d6ce9b2db61afaf20
        • MD5 SHA1 SHA512 SSDEEP

        UserInfo.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsb8A20.tmp\UserInfo.dll
        • Size 4KB
        • SHA256 564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5
        • MD5 SHA1 SHA512

        nsJSON.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsb8A20.tmp\nsJSON.dll
        • Size 7KB
        • SHA256 49b173504eb9cd07e42a3c4deb84c2cd3f3b49c7fb0858aee43ddfc64660e384
        • MD5 SHA1 SHA512 SSDEEP

        memory/1572-78-0x00000000744D0000-0x00000000744DA000-memory.dmp