Analysis

  • max time kernel
    141s
  • max time network
    30s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 08:47

General

  • Target

    73e3808a65aa8820099144e05cdb94012c7c909227a01bfff36bea0321d9dc7c.exe

  • Size

    1.1MB

  • MD5

    839f58325e233294f39cd8a96d28dc80

  • SHA1

    39a28db538a38e8e2ab74e9fd8ea146b3c1ec69b

  • SHA256

    73e3808a65aa8820099144e05cdb94012c7c909227a01bfff36bea0321d9dc7c

  • SHA512

    75de04069eabe3faef1c768c5464b59516846f31aff7d60e64eecc2c8181935f6c031bb8a97f8accde4552a2c8223758eb957c3e1933baa768b10edfeee0230e

  • SSDEEP

    3072:aSsvihLlTQz9z71iURo2SJJmY6uFNcgifDbmeTXwVdBR:rsqhJMxzJiU5SeLmNSbmebW1

Malware Config

Signatures

  • Adds policy Run key to start application 2 TTPs 7 IoCs
  • Executes dropped EXE 1 IoCs
  • Sets file execution options in registry 2 TTPs 4 IoCs
  • Loads dropped DLL 2 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). Likely ransomware behaviour.

  • Modifies data under HKEY_USERS 57 IoCs
  • Modifies registry class 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\73e3808a65aa8820099144e05cdb94012c7c909227a01bfff36bea0321d9dc7c.exe
    "C:\Users\Admin\AppData\Local\Temp\73e3808a65aa8820099144e05cdb94012c7c909227a01bfff36bea0321d9dc7c.exe"
    1⤵
    • Adds policy Run key to start application
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    PID:1808
  • C:\Windows\system32\LogonUI.exe
    "LogonUI.exe" /flags:0x0
    1⤵
      PID:820
    • C:\Windows\system32\AUDIODG.EXE
      C:\Windows\system32\AUDIODG.EXE 0x1f0
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1112
    • C:\Windows\system32\LogonUI.exe
      "LogonUI.exe" /flags:0x1
      1⤵
        PID:1520
      • C:\Windows\system32\gpscript.exe
        gpscript.exe /Shutdown
        1⤵
        • Loads dropped DLL
        • Modifies data under HKEY_USERS
        • Suspicious use of WriteProcessMemory
        PID:1700
        • C:\Users\Admin\AppData\Roaming\Macromedia\Flash Player\HCuUfRSu52b67dCmwzwvaW4Y6mMidcaBApQPzbid954BtDjHNdtIy2QEf2drRIzhdWaw.cmd
          "C:\Users\Admin\AppData\Roaming\Macromedia\Flash Player\HCuUfRSu52b67dCmwzwvaW4Y6mMidcaBApQPzbid954BtDjHNdtIy2QEf2drRIzhdWaw.cmd" 1
          2⤵
          • Adds policy Run key to start application
          • Executes dropped EXE
          • Sets file execution options in registry
          • Modifies data under HKEY_USERS
          • Suspicious use of AdjustPrivilegeToken
          PID:240

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • C:\ProgramData\Microsoft\Device Stage\Device\f5teZjKUTcsJYYq7hF5dnX6unEIxluFxao6ia.exe

        Filesize

        2.0MB

        MD5

        3521a4e3ed8483c4345557584c1b298f

        SHA1

        fddbca92cbf7e82819bd3a79fe3c67528115be14

        SHA256

        6dcf44dc12c06ce312c257caae1cf003343f51834eb384c6913b2e09f675cece

        SHA512

        9e85bbbbc6771854be240dc1a1141f7717799cbf9686921dc4ff855b2ff564e2af16c639793cdefe01d4b854552c006fb72d2b26c54a35fd0c84a1d6d266fa92

      • C:\ProgramData\Microsoft\Windows\WER\WnS250K1jsFB2SKxuKDZxjQlhAuXtNFCiejhTUfpFYZOdpzHpmn6uqX68DKCsLUEzeAKC2T.exe

        Filesize

        1.5MB

        MD5

        c3bb2c28547d594ddc2d6d6ac591eb8c

        SHA1

        9b186c891b9c89640553c238d864603e8eb09b2f

        SHA256

        0fad23ea980bf7b60f8ef157cd3a3ab91ad1f341ea7201277e725c802b5c580a

        SHA512

        300c15741458263ad0bcd283923f09811ef964430081d4773856fab58c82cc247518256aab86b40b2e932653b3104beb2a75dfe7e3c88d6d83c7300475331608

      • C:\ProgramData\Microsoft\eHome\logs\K9fe8duOpbncqNecFaVMlbigjW5MVORDb3lbVhLYTkJgzQTm1Ce6JQNUFG.exe

        Filesize

        1.3MB

        MD5

        3462da697993e5df0b1d05d7025101c0

        SHA1

        e54eeda9706b51a134e17bf1146c019a6cd7b3a1

        SHA256

        ab7016a3855ac52fdb1dd7e6ea7b033220d383b588ee4ebb1d80f0ec71f8e819

        SHA512

        e6390eeb198ccef7d35f87c5206924dfbbad7ac382f91edb304142919bf71a3fa55e8c2ebde340469edcd905c3f55cf63fbccad58f2c171632d520733b9da621

      • C:\ProgramData\Mozilla\updates\74xh7cKk9l7jx0cDwzR4feKNPSHqLu1PpLGiVDqvHZCD8RGIB1vC.exe

        Filesize

        1.4MB

        MD5

        455f2ef2f52147ea1503a6092b22ddc7

        SHA1

        988c72149d1ed4d8a90aa7e4966ebcb2f8788f7b

        SHA256

        bf9ae59dae40ee83231cfd8d65ee0c0dc74fb14434826806dd58bc54b2b9cf86

        SHA512

        1a63407852b50edddcb54b9098ae2b83cd3c14dfe5820530bddde141056e495dc43ea1fd9e96c9dd0d63f45ec70ad8bb2350b0645f086d7e39ad9cdcfe0927b8

      • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Code Cache\js\index-dir\mUgeRT6CNdqb71lAjuvVHN0JyQpxB1xody4B3xqRwcH3X7MaxUnmldo0rNJII6uqOW2.exe

        Filesize

        1.9MB

        MD5

        bc86a5a192c7b5b2a0402eb1edbeef6d

        SHA1

        7039c7a383d097ca8e85b9d81b4a4f3df74898fb

        SHA256

        aa50a48e8c073f44b35f5528b55f2faecb1f99cc84b8036d8c021ff5bb492225

        SHA512

        6d830e72a140e2da2bd0d96580071d340510180f7375290c5773bf59752d0b77328fd11cca5886ec4f43730f146317320dd74de0a8ebb2fc62f3cd842883bc49

      • C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\dozshqpt.default-release\thumbnails\pzWQ9vtxsTYcoQN6VfXmOVTV1NKVcE0utTt1yPk1j.exe

        Filesize

        1.3MB

        MD5

        70a160c80a36df9039c0a8b532934551

        SHA1

        092c9e185a4e7d80adda58aaa58e9d77b2955957

        SHA256

        cf98399da33e14523036c2d125cc562aa4d0b31044d38795335d364f7d631dac

        SHA512

        cd1a48820a7e0b6eb32949982d4811bf62e37e95f4ae4f01a81d9e05cd291fdccbe8e6d1436e458a64e5994acae9c8b3bfbc22b2f1fbbad862b0bfdc4eb205a0

      • C:\Users\Admin\AppData\Roaming\Macromedia\Flash Player\HCuUfRSu52b67dCmwzwvaW4Y6mMidcaBApQPzbid954BtDjHNdtIy2QEf2drRIzhdWaw.cmd

        Filesize

        1.6MB

        MD5

        02daf6dedec532a7f84984c7991a07ac

        SHA1

        d92e027c6389fdd0443943ada8932109f47cb7df

        SHA256

        14adfb84c0a8064d8930a0279c4d8cac20700351ae5d696d50573b5a30a12b8d

        SHA512

        4f38f932e67f5793986baad1a628315b43ac1ee205ca80f69d217b3e123f0db8fb2d8af578a24d07931d46be1fac57771b286dacef8e8088644f540830973e0b

      • C:\Users\Admin\AppData\Roaming\Macromedia\Flash Player\HCuUfRSu52b67dCmwzwvaW4Y6mMidcaBApQPzbid954BtDjHNdtIy2QEf2drRIzhdWaw.cmd

        Filesize

        1.6MB

        MD5

        02daf6dedec532a7f84984c7991a07ac

        SHA1

        d92e027c6389fdd0443943ada8932109f47cb7df

        SHA256

        14adfb84c0a8064d8930a0279c4d8cac20700351ae5d696d50573b5a30a12b8d

        SHA512

        4f38f932e67f5793986baad1a628315b43ac1ee205ca80f69d217b3e123f0db8fb2d8af578a24d07931d46be1fac57771b286dacef8e8088644f540830973e0b

      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\eqBU8hv8aPffbRo22fPqblnGfahRJzmvqJsKYaEYPS.exe

        Filesize

        2.2MB

        MD5

        748751a236d579ef7b0dd6be679984d4

        SHA1

        177b8710a2369afc1e8e498ce6eeb8c589eb2d92

        SHA256

        4f652d9113caa49c6a30e7cc13906551d21abb7f40821511117f073f768339eb

        SHA512

        9f893ac465da2ae6769767ac3ce53e0f99b6cabc6591baea7853895a1bcef3229750f26a4ebbadc562d5dfc55de7505b54d7738e2062ab30ba82d8b9832148d6

      • C:\Users\Public\QJJEAroQzS9QlFmGXNS5aTJknWfwClNEwuPCeuVrbVUirmr7d6Ez3UqJKfRaripPrCjvr.exe

        Filesize

        1.2MB

        MD5

        dbcf7f88ecac397105f13c4dedbfbe70

        SHA1

        e4038c4ede003ee992d7ca2588b14a64d5bc9578

        SHA256

        cfbdbbcb1de7c97bea55e60c3b96e3115486e5867bffd353aaf29691732d2139

        SHA512

        6657246ccfbf7247d2d6e362b3889e9a80829ebd6df9be89da8fc06fd2160c7dd74058df71a71dc685b037170ab18db50efadb0dce36fe0f154b4c3d4afd0fd9

      • \Users\Admin\AppData\Roaming\Macromedia\Flash Player\HCuUfRSu52b67dCmwzwvaW4Y6mMidcaBApQPzbid954BtDjHNdtIy2QEf2drRIzhdWaw.cmd

        Filesize

        1.6MB

        MD5

        02daf6dedec532a7f84984c7991a07ac

        SHA1

        d92e027c6389fdd0443943ada8932109f47cb7df

        SHA256

        14adfb84c0a8064d8930a0279c4d8cac20700351ae5d696d50573b5a30a12b8d

        SHA512

        4f38f932e67f5793986baad1a628315b43ac1ee205ca80f69d217b3e123f0db8fb2d8af578a24d07931d46be1fac57771b286dacef8e8088644f540830973e0b

      • \Users\Admin\AppData\Roaming\Macromedia\Flash Player\HCuUfRSu52b67dCmwzwvaW4Y6mMidcaBApQPzbid954BtDjHNdtIy2QEf2drRIzhdWaw.cmd

        Filesize

        1.6MB

        MD5

        02daf6dedec532a7f84984c7991a07ac

        SHA1

        d92e027c6389fdd0443943ada8932109f47cb7df

        SHA256

        14adfb84c0a8064d8930a0279c4d8cac20700351ae5d696d50573b5a30a12b8d

        SHA512

        4f38f932e67f5793986baad1a628315b43ac1ee205ca80f69d217b3e123f0db8fb2d8af578a24d07931d46be1fac57771b286dacef8e8088644f540830973e0b

      • memory/240-69-0x0000000000400000-0x000000000042D000-memory.dmp

        Filesize

        180KB

      • memory/240-66-0x0000000000400000-0x000000000042D000-memory.dmp

        Filesize

        180KB

      • memory/240-62-0x0000000000000000-mapping.dmp

      • memory/820-55-0x000007FEFB7C1000-0x000007FEFB7C3000-memory.dmp

        Filesize

        8KB

      • memory/1700-68-0x00000000010B0000-0x00000000010DD000-memory.dmp

        Filesize

        180KB

      • memory/1700-67-0x00000000010B0000-0x00000000010DD000-memory.dmp

        Filesize

        180KB

      • memory/1700-65-0x00000000010B0000-0x00000000010DD000-memory.dmp

        Filesize

        180KB

      • memory/1700-64-0x00000000010B0000-0x00000000010DD000-memory.dmp

        Filesize

        180KB

      • memory/1808-54-0x0000000000400000-0x000000000042D000-memory.dmp

        Filesize

        180KB

      • memory/1808-56-0x0000000000400000-0x000000000042D000-memory.dmp

        Filesize

        180KB