Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-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:1632

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        nsd1A2D.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsd1A2D.tmp
        • Size 661B
        • SHA256 774c9556305810ad7716035f452864f0cf01075ab52e862b72ce1fbfe6324714
        • MD5 SHA1 SHA512

        nsd1AD0.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsd1AD0.tmp
        • Size 1KB
        • SHA256 45f0877a0719924af1c082af583be433319e0b1be2d42756b630d49fabed3ed6
        • MD5 SHA1 SHA512

        nsd1B21.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsd1B21.tmp
        • Size 236B
        • SHA256 e4688b8188a5e6ca1221bc385dfab50a9e7deaaf39d484fa632bff59ac699b41
        • MD5 SHA1 SHA512

        nsd1B78.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsd1B78.tmp
        • Size 729B
        • SHA256 e57fb791ab7e7dde5347b067dd5d4b0cb19c3289852943fcf4cb5ca277c6ee18
        • MD5 SHA1 SHA512

        nsi1A9F.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsi1A9F.tmp
        • Size 929B
        • SHA256 e21f6a1a64019cdac1aa023cdf96bc9f9982b599b3bb856446b2feee69172479
        • MD5 SHA1 SHA512

        nsi1B44.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsi1B44.tmp
        • Size 468B
        • SHA256 8208071e1d0a9e8f562cb289af30f31dae31f282b913e80a1a1f88d9e33d7468
        • MD5 SHA1 SHA512

        nsi1B45.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsi1B45.tmp
        • Size 523B
        • SHA256 5d7bf839a14f7a87df109c6bfddcfb96bd4189ffa2a02f6268b014b0d2bfa324
        • MD5 SHA1 SHA512

        nso19CB.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nso19CB.tmp
        • Size 355B
        • SHA256 42fe6aede59d0b4629f96288d1ab22008aca8576815f9d70fdb91810e2fed48c
        • MD5 SHA1 SHA512

        nso1B10.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nso1B10.tmp
        • Size 105B
        • SHA256 d7516cb11c81e5ef2e0c7cffa7175c3a7f36f945e788a27024fdc79443fdda45
        • MD5 SHA1 SHA512

        nst1A3E.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nst1A3E.tmp
        • Size 718B
        • SHA256 841172949a3e6087da37fed930d52506333540719d955466d279d1eb98563c4a
        • MD5 SHA1 SHA512

        nst1B33.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nst1B33.tmp
        • Size 347B
        • SHA256 b3788b96bc73c0ccb288dbbb6ef4a5092f473055fe80c16c1acb5ac20f7bfe8b
        • MD5 SHA1 SHA512

        nst1B34.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nst1B34.tmp
        • Size 411B
        • SHA256 68cc8c620910d4afd928a822991aa60466b13faa0085899666296a3be7da104d
        • MD5 SHA1 SHA512

        nst1B98.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nst1B98.tmp
        • Size 778B
        • SHA256 e5eb1f11dcc95b2dddfa81886792f7f4f2e77c167c11a0a1073954a138af14d5
        • MD5 SHA1 SHA512

        nsy1A5E.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsy1A5E.tmp
        • Size 773B
        • SHA256 2fdefa15c5382a34104b425bf20a7be16792e46b4f334cc54ff7cdf48d9fb30d
        • MD5 SHA1 SHA512

        nsy1AB0.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsy1AB0.tmp
        • Size 979B
        • SHA256 68de7fa912d68ca5057616feae938f9f25bdc44af516c36670d2e30e8242ee98
        • MD5 SHA1 SHA512

        nsy1B56.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsy1B56.tmp
        • Size 574B
        • SHA256 e8981e48958c45232ba86c7eed599dd2bd0e3429b771540bc134e43d478137c9
        • MD5 SHA1 SHA512

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\lf4jobx9.Admin\user.js
        • Size 486B
        • SHA256 d621bc248550cb9769517bf5079d67c45900913d6cf3603e3d4858bf1bdfbf73
        • MD5 SHA1 SHA512

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\lf4jobx9.Admin\user.js
        • Size 597B
        • SHA256 e24cdbfb9138ed29b249e869bf44937d2ce433d823cd328c33b57ec984a3b55c
        • MD5 SHA1 SHA512

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\lf4jobx9.Admin\user.js
        • Size 877B
        • SHA256 96d36c40a5eb6d0193fc9b974e6ad0798a16589cce8d7f63f13630d3635498b1
        • MD5 SHA1 SHA512

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\lf4jobx9.default-release\user.js
        • Size 291B
        • SHA256 292359fc9404c1c1a7ca073cac6d3951b3fca7ac8c525d9fdfaae72ab97bf8a2
        • MD5 SHA1 SHA512

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\lf4jobx9.default-release\user.js
        • Size 679B
        • SHA256 ba724abd0df0f3134aaf4504c5c6c928fafd1bb72a6dc95e903c3b29999ab0a2
        • MD5 SHA1 SHA512

        System.dll

        • Path \Users\Admin\AppData\Local\Temp\nst194C.tmp\System.dll
        • Size 11KB
        • SHA256 dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f
        • MD5 SHA1 SHA512 SSDEEP

        Time.dll

        • Path \Users\Admin\AppData\Local\Temp\nst194C.tmp\Time.dll
        • Size 10KB
        • SHA256 b4a95a455e53372c59f91bc1b5fb9e5c8e4a10a506fa04aaf7be27048b30ae35
        • MD5 SHA1 SHA512 SSDEEP

        mt.dll

        • Path \Users\Admin\AppData\Local\Temp\nst194C.tmp\mt.dll
        • Size 5KB
        • SHA256 6dc2644a389feeef9e0ac65e2c8b01fc18ca6e53b253f10efffcb117e0a852dd
        • MD5 SHA1 SHA512 SSDEEP

        nsisos.dll

        • Path \Users\Admin\AppData\Local\Temp\nst194C.tmp\nsisos.dll
        • Size 5KB
        • SHA256 ba79ab7f63f02ed5d5d46b82b11d97dac5b7ef7e9b9a4df926b43ceac18483b6
        • MD5 SHA1 SHA512 SSDEEP