Analysis

  • max time kernel
    165s
  • max time network
    181s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2022 19:18

General

  • Target

    c9afadd6599f4341ba34a03e22224860321cd62d96709a0f2428df8ef6ea2aeb.exe

  • Size

    2.5MB

  • MD5

    9e62bb7e7bae4a9d37394c8ea81bcb65

  • SHA1

    3fe5a6fa5e3d4950c1d5a767efe3b78c237333d0

  • SHA256

    c9afadd6599f4341ba34a03e22224860321cd62d96709a0f2428df8ef6ea2aeb

  • SHA512

    2f522d35615138a39a62e4ebc2c929d27fe5bfad2cc0020adfb7b2b91dba0491e427425d60bf6efd3d5829407a43ccaa01d53bcc6700fd4f768d5a2276f8b4fb

  • SSDEEP

    49152:h1OsYCpYO/dJJDHhs6oxRkNfehWfNs4VGufZ9JODSTz4bkv:h1Oyly7kNfrNq4v

Malware Config

Signatures

  • 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.

  • 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 5 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 9 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in System32 directory 4 IoCs
  • Drops file in Program Files directory 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c9afadd6599f4341ba34a03e22224860321cd62d96709a0f2428df8ef6ea2aeb.exe
    "C:\Users\Admin\AppData\Local\Temp\c9afadd6599f4341ba34a03e22224860321cd62d96709a0f2428df8ef6ea2aeb.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4976
    • C:\Users\Admin\AppData\Local\Temp\7zSEEAA.tmp\LeSmeqwuCc5QD2X.exe
      .\LeSmeqwuCc5QD2X.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops Chrome extension
      • Installs/modifies Browser Helper Object
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4908
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /s "C:\Program Files (x86)\GoSave\Lglidl8oL37qDn.x64.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:4912
        • C:\Windows\system32\regsvr32.exe
          /s "C:\Program Files (x86)\GoSave\Lglidl8oL37qDn.x64.dll"
          4⤵
          • Loads dropped DLL
          • Installs/modifies Browser Helper Object
          PID:3640
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
    1⤵
      PID:4968
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
      1⤵
        PID:5044

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Persistence

      Browser Extensions

      1
      T1176

      Defense Evasion

      Modify Registry

      1
      T1112

      Credential Access

      Credentials in Files

      1
      T1081

      Discovery

      Query Registry

      1
      T1012

      Collection

      Data from Local System

      1
      T1005

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files (x86)\GoSave\Lglidl8oL37qDn.dat
        Filesize

        7KB

        MD5

        8e8bb318d61a17f087f78184644b3e85

        SHA1

        720b19d8e096c1d1cab0f614c127db1705f1aec3

        SHA256

        5043a83d817ec3da995bbc631088e9fa4a3b286aee7f9d7332acec3470973885

        SHA512

        c64380eee55431d79d18bbf6132593797e9181578c5c5278c6dc21a7627d30d9f46732e1974fe09e04b60e8cfca983e1996e67b04e79dd7de369e349ea36880b

      • C:\Program Files (x86)\GoSave\Lglidl8oL37qDn.dll
        Filesize

        738KB

        MD5

        49961c7c9a7aef57f49adf50d1c810f6

        SHA1

        fc2078aeff5d5abee27c9e8a500cb2d6ae755b05

        SHA256

        c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846

        SHA512

        8ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f

      • C:\Program Files (x86)\GoSave\Lglidl8oL37qDn.x64.dll
        Filesize

        872KB

        MD5

        337b97dbbcc7ad4d75fb5a90652e6de3

        SHA1

        50e50243af1819e62a7512d85e6dd67b8e1ed103

        SHA256

        b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

        SHA512

        dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

      • C:\Program Files (x86)\GoSave\Lglidl8oL37qDn.x64.dll
        Filesize

        872KB

        MD5

        337b97dbbcc7ad4d75fb5a90652e6de3

        SHA1

        50e50243af1819e62a7512d85e6dd67b8e1ed103

        SHA256

        b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

        SHA512

        dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

      • C:\Program Files (x86)\GoSave\Lglidl8oL37qDn.x64.dll
        Filesize

        872KB

        MD5

        337b97dbbcc7ad4d75fb5a90652e6de3

        SHA1

        50e50243af1819e62a7512d85e6dd67b8e1ed103

        SHA256

        b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

        SHA512

        dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

      • C:\Users\Admin\AppData\Local\Temp\7zSEEAA.tmp\LeSmeqwuCc5QD2X.dat
        Filesize

        7KB

        MD5

        8e8bb318d61a17f087f78184644b3e85

        SHA1

        720b19d8e096c1d1cab0f614c127db1705f1aec3

        SHA256

        5043a83d817ec3da995bbc631088e9fa4a3b286aee7f9d7332acec3470973885

        SHA512

        c64380eee55431d79d18bbf6132593797e9181578c5c5278c6dc21a7627d30d9f46732e1974fe09e04b60e8cfca983e1996e67b04e79dd7de369e349ea36880b

      • C:\Users\Admin\AppData\Local\Temp\7zSEEAA.tmp\LeSmeqwuCc5QD2X.exe
        Filesize

        772KB

        MD5

        5ed7019dcd0008dbcd8e54017b8c7dd9

        SHA1

        7e4457da2ff06c2170bad636c9eb7c1bb436fd06

        SHA256

        7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

        SHA512

        10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

      • C:\Users\Admin\AppData\Local\Temp\7zSEEAA.tmp\LeSmeqwuCc5QD2X.exe
        Filesize

        772KB

        MD5

        5ed7019dcd0008dbcd8e54017b8c7dd9

        SHA1

        7e4457da2ff06c2170bad636c9eb7c1bb436fd06

        SHA256

        7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

        SHA512

        10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

      • C:\Users\Admin\AppData\Local\Temp\7zSEEAA.tmp\Lglidl8oL37qDn.dll
        Filesize

        738KB

        MD5

        49961c7c9a7aef57f49adf50d1c810f6

        SHA1

        fc2078aeff5d5abee27c9e8a500cb2d6ae755b05

        SHA256

        c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846

        SHA512

        8ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f

      • C:\Users\Admin\AppData\Local\Temp\7zSEEAA.tmp\Lglidl8oL37qDn.tlb
        Filesize

        3KB

        MD5

        e3ab22d8beac0180520ab5289a64419b

        SHA1

        1456ba2c78b293e5a80185fefdf05f5dbe424937

        SHA256

        0d3342857b67678dd76e6a24e137f0d75ba399bb48bf5095d7e4f7dfa0bbe416

        SHA512

        c04163026ffa1c6fab34b4fdbf23702148c7c2a31dd356d26f9541027db078b6433aff3a5f749a209a3acbcf3a853a9b5f77984540e21be1f823ce92bcbfc4bf

      • C:\Users\Admin\AppData\Local\Temp\7zSEEAA.tmp\Lglidl8oL37qDn.x64.dll
        Filesize

        872KB

        MD5

        337b97dbbcc7ad4d75fb5a90652e6de3

        SHA1

        50e50243af1819e62a7512d85e6dd67b8e1ed103

        SHA256

        b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

        SHA512

        dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

      • C:\Users\Admin\AppData\Local\Temp\7zSEEAA.tmp\UyXbMY@C.edu\bootstrap.js
        Filesize

        2KB

        MD5

        df13f711e20e9c80171846d4f2f7ae06

        SHA1

        56d29cda58427efe0e21d3880d39eb1b0ef60bee

        SHA256

        6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

        SHA512

        6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

      • C:\Users\Admin\AppData\Local\Temp\7zSEEAA.tmp\UyXbMY@C.edu\chrome.manifest
        Filesize

        35B

        MD5

        0e4fc52a9a7357a67ae5aea5faef9807

        SHA1

        a047621aabbdf0f2726367c6cf45938b5b8aed68

        SHA256

        f2862bb0df640455415590d39fcb35e95773c999f02da2405a9d36eed933541b

        SHA512

        0cf4b3acb97b0735db52c78cea9e5e4adb8935635000af868de20fdb91da6aea1ac304e68227950b216496863526f01a79c21fe220d261a738f9450287d1641e

      • C:\Users\Admin\AppData\Local\Temp\7zSEEAA.tmp\UyXbMY@C.edu\content\bg.js
        Filesize

        8KB

        MD5

        a8ea6cdc2cf381f5776b5453925480a9

        SHA1

        287f7b52ec6ba94844cb6decb91ae5595aba3ef2

        SHA256

        2c2aaae24746e071688490276b2bea0e62de5230c5d6a55e69c655ac69344e82

        SHA512

        dca2848274835755d3c6964a10c3db85f3b1b72fc1b9d4f87eb2e43fb7374b4924a1cb9e5fe06c62367b6f65bec159e4c8a7e71f41f5e84e930330b8ce22f8a8

      • C:\Users\Admin\AppData\Local\Temp\7zSEEAA.tmp\UyXbMY@C.edu\install.rdf
        Filesize

        594B

        MD5

        3e1995bfc26c37bf28a51def85f58dcc

        SHA1

        a19a44b053ac38934eb0f641627225b8739d2b95

        SHA256

        d839904e7b644697d3ab56a1224f55020949ea1e06335ae9de91e7005df94e42

        SHA512

        b944b24c19688a0614ad1ae477da9842e47b496aff78238c362c793c90e851ec6ad9bd5aecdd92cc31ae58dc644d411f4443a7073d3a236ed259050610913621

      • C:\Users\Admin\AppData\Local\Temp\7zSEEAA.tmp\jnlgpiihjacllnaadmebgninpoilecea\background.html
        Filesize

        140B

        MD5

        6cbe6eaff1ee3c044e28de2cc136580a

        SHA1

        79601256ae4f76e27a3c3288096f0a0528febb33

        SHA256

        e4f83cb54588220a302226bfc5635d906b716888c8bb0c1a684c486fd20c44d0

        SHA512

        65536e7fc47e2fce39add70713be36157a400df40f1c1cc37be8004b8603e2c8ee81bab4d58d33294f9c316ade904b1e2cd05274725a93aa874eb6113867f064

      • C:\Users\Admin\AppData\Local\Temp\7zSEEAA.tmp\jnlgpiihjacllnaadmebgninpoilecea\content.js
        Filesize

        144B

        MD5

        fca19198fd8af21016a8b1dec7980002

        SHA1

        fd01a47d14004e17a625efe66cc46a06c786cf40

        SHA256

        332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

        SHA512

        60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

      • C:\Users\Admin\AppData\Local\Temp\7zSEEAA.tmp\jnlgpiihjacllnaadmebgninpoilecea\lsdb.js
        Filesize

        531B

        MD5

        36d98318ab2b3b2585a30984db328afb

        SHA1

        f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

        SHA256

        ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

        SHA512

        6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

      • C:\Users\Admin\AppData\Local\Temp\7zSEEAA.tmp\jnlgpiihjacllnaadmebgninpoilecea\manifest.json
        Filesize

        498B

        MD5

        640199ea4621e34510de919f6a54436f

        SHA1

        dc65dbfad02bd2688030bd56ca1cab85917a9937

        SHA256

        e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

        SHA512

        d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

      • C:\Users\Admin\AppData\Local\Temp\7zSEEAA.tmp\jnlgpiihjacllnaadmebgninpoilecea\uj2.js
        Filesize

        6KB

        MD5

        7a63690fbfa657ba6380c1539299a579

        SHA1

        3cea0af6e8ea28399735acdc6a90739b9caa4777

        SHA256

        ba348c57822ac40875dd580ecba931933b30a9c28c83910a4ff58a109b38b63e

        SHA512

        2f5b1618972464dd234e2bfe58a915cf82e686c3d7551c620f0769b8a19bcc94475bdf1f4e478bb7be842f08ec13a3d4193eddd040758d9ab22c967ffa2ede24

      • memory/3640-152-0x0000000000000000-mapping.dmp
      • memory/4908-132-0x0000000000000000-mapping.dmp
      • memory/4912-149-0x0000000000000000-mapping.dmp