Analysis

  • max time kernel
    135s
  • max time network
    145s
  • 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, 03:29

General

  • Target
    FM4ffx.exe
  • Size 319KB
  • Sample240214-d1445aha67
  • SHA256 3ac3c700060a0487060724f3fd22faf70d5f633e69401641964d7ba4d6e6e570
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 64 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Enumerates physical storage devices 1 TTPs

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\FM4ffx.exe
    "C:\Users\Admin\AppData\Local\Temp\FM4ffx.exe"
    1⤵
    • Loads dropped DLL
    PID:4776

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        nsbC865.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsbC865.tmp
        • Size 431B
        • SHA256 c6617db07d30b2bff050df87564441550912bb2c1041824e4ad79c4b8a71a829
        • MD5 SHA1 SHA512

        nsbCA40.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsbCA40.tmp
        • Size 824B
        • SHA256 2ed1a9571affe7dd7f58a8b60b094f4cbb967e0afd39addbaeac98642971f794
        • MD5 SHA1 SHA512

        nscCA90.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nscCA90.tmp
        • Size 877B
        • SHA256 b53d0ef94746cda2e9155883f086071f70d6697ead938bf2949329b2b3dc3fa6
        • MD5 SHA1 SHA512

        nscCB2E.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nscCB2E.tmp
        • Size 979B
        • SHA256 5253b27d85784a45d941978313af9a486bf1b484f31c1d994e5a364bd53eaf8f
        • MD5 SHA1 SHA512

        nscCC6A.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nscCC6A.tmp
        • Size 236B
        • SHA256 252ac65c6dd14ded3352778295d4e62aa23064f0987e6b02b4063f2741ad9514
        • MD5 SHA1 SHA512

        nscCCBC.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nscCCBC.tmp
        • Size 468B
        • SHA256 6d7f9dc6774cf47121d20df6152798a229d4970ddb7cd5ee3041ed9b2ea34314
        • MD5 SHA1 SHA512

        nsiCC8C.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsiCC8C.tmp
        • Size 347B
        • SHA256 da15f4acc98ec75b82b453962b576a33c711f17e588af35faf22506c5c8623c1
        • MD5 SHA1 SHA512

        System.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nskB97D.tmp\System.dll
        • Size 11KB
        • SHA256 dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f
        • MD5 SHA1 SHA512 SSDEEP

        Time.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nskB97D.tmp\Time.dll
        • Size 10KB
        • SHA256 b4a95a455e53372c59f91bc1b5fb9e5c8e4a10a506fa04aaf7be27048b30ae35
        • MD5 SHA1 SHA512 SSDEEP

        mt.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nskB97D.tmp\mt.dll
        • Size 5KB
        • SHA256 6dc2644a389feeef9e0ac65e2c8b01fc18ca6e53b253f10efffcb117e0a852dd
        • MD5 SHA1 SHA512 SSDEEP

        nsisos.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nskB97D.tmp\nsisos.dll
        • Size 5KB
        • SHA256 ba79ab7f63f02ed5d5d46b82b11d97dac5b7ef7e9b9a4df926b43ceac18483b6
        • MD5 SHA1 SHA512 SSDEEP

        nsmC993.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsmC993.tmp
        • Size 718B
        • SHA256 1b897e789dbfa4407aa3d40addc2629c75c6aefc8c65192be99fcdc653265033
        • MD5 SHA1 SHA512

        nsmCACF.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsmCACF.tmp
        • Size 929B
        • SHA256 1785d32fbdbdbe3bae78440282aac79255599466616239d5e670e29c161500df
        • MD5 SHA1 SHA512

        nsmCB6D.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsmCB6D.tmp
        • Size 1KB
        • SHA256 adb667e7452d2acad50ef07a59ad77ce495563b4d192c8b6e28a29b610dc06ac
        • MD5 SHA1 SHA512

        nsnCC5A.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsnCC5A.tmp
        • Size 181B
        • SHA256 e003e4d7cc9270d5456c228b00cd7b361a8bbff2a6c94dfaf576497852352882
        • MD5 SHA1 SHA512

        nsrCA01.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsrCA01.tmp
        • Size 773B
        • SHA256 345b0e66f67b63b5c43ea33b68d4dc6715d1a1155d2c1f528d52b45761944340
        • MD5 SHA1 SHA512

        nssCC7B.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nssCC7B.tmp
        • Size 291B
        • SHA256 ee4b6af389407f0421dd28119039dd6beb8932c06fb117ddc9f3c25044d10ab4
        • MD5 SHA1 SHA512

        nssCCCD.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nssCCCD.tmp
        • Size 523B
        • SHA256 4f0233af62005448de5d57da74df40f2c120b2075ec4556535bddea0ab1fa9e5
        • MD5 SHA1 SHA512

        nssCD1E.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nssCD1E.tmp
        • Size 679B
        • SHA256 e513a875408f77774c53a89d9571192c3360b8f13df85da3f286b36c28f456e7
        • MD5 SHA1 SHA512

        nsxCC9C.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsxCC9C.tmp
        • Size 411B
        • SHA256 a5fc51c9541cbecc5d80a206ccffcdfa94387f95af464c5978ce987a48886c56
        • MD5 SHA1 SHA512

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\urxy0c8h.Admin\user.js
        • Size 541B
        • SHA256 e4d92c4eb464a0d5d8e3f18a268c7470945f92c17e3d1b090d4562f8ace227e4
        • MD5 SHA1 SHA512

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\urxy0c8h.Admin\user.js
        • Size 661B
        • SHA256 cf55d92a8116a3a29b04f5e4bb848e8e8ae61e5fb63028b7d30aa14ce006fb58
        • MD5 SHA1 SHA512

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\x3x6afp6.default-release\user.js
        • Size 574B
        • SHA256 a265223d3cc5c82415651f1bca4065a70119ad4a9fb4842ec2e51c1ab0c7bf35
        • MD5 SHA1 SHA512

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\x3x6afp6.default-release\user.js
        • Size 729B
        • SHA256 82b5b39d9cb4547efed50854967d7aa3b31875c2f78b27d29c113f19fb2bb6d0
        • MD5 SHA1 SHA512