Analysis

  • max time kernel
    146s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2022 02:06

General

  • Target

    46a5bc65ca2b5cbd8e34670a1b5b8ed15f708b4cd39365b52724b3d7c89e662b.exe

  • Size

    2.5MB

  • MD5

    614c93fb7208a34c7b309e712f5fda1d

  • SHA1

    59aa1e2693b134e135c8780d3931d6664d79ba6e

  • SHA256

    46a5bc65ca2b5cbd8e34670a1b5b8ed15f708b4cd39365b52724b3d7c89e662b

  • SHA512

    834a4b91de89745d1926f19a424904fd1f1f77509451584b2e223b8ed3d46ccb50758d1ea465cbec04c6360457be5ba79645d9f13a18e9bd2bf2b3c6d5069f7c

  • SSDEEP

    49152:h1OsHCpYO/dJJDHhs6oxRkNfehWfNs4VGufZ9JODSTz4bki:h1Oply7kNfrNq4i

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\46a5bc65ca2b5cbd8e34670a1b5b8ed15f708b4cd39365b52724b3d7c89e662b.exe
    "C:\Users\Admin\AppData\Local\Temp\46a5bc65ca2b5cbd8e34670a1b5b8ed15f708b4cd39365b52724b3d7c89e662b.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3172
    • C:\Users\Admin\AppData\Local\Temp\7zS7ED9.tmp\WRhVqN6pFAy9ODf.exe
      .\WRhVqN6pFAy9ODf.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:3504
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /s "C:\Program Files (x86)\GoSave\leLrWKimUIjvLe.x64.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:676
        • C:\Windows\system32\regsvr32.exe
          /s "C:\Program Files (x86)\GoSave\leLrWKimUIjvLe.x64.dll"
          4⤵
          • Loads dropped DLL
          • Installs/modifies Browser Helper Object
          PID:3008
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
    1⤵
      PID:3132
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
      1⤵
        PID:1540

      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\leLrWKimUIjvLe.dat
        Filesize

        7KB

        MD5

        c8c2c3ef737e8b952a70bcd4c19d5aae

        SHA1

        b1c8dae778c8e1592ea9ffef89fd87d04e872556

        SHA256

        90d5d50bb246ce9cc2c7088c15dc0121b76382fd2c8ed6b77fab1fa83dfaab1c

        SHA512

        6d983d66bf70ee2ca31860a87e14ab6f9463981bc78ba36a413a5d786adf3867fc4a219094eee361031954447962a49e6d56ebcb2d393b05204060bcd376bee4

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

        738KB

        MD5

        49961c7c9a7aef57f49adf50d1c810f6

        SHA1

        fc2078aeff5d5abee27c9e8a500cb2d6ae755b05

        SHA256

        c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846

        SHA512

        8ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f

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

        872KB

        MD5

        337b97dbbcc7ad4d75fb5a90652e6de3

        SHA1

        50e50243af1819e62a7512d85e6dd67b8e1ed103

        SHA256

        b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

        SHA512

        dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

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

        872KB

        MD5

        337b97dbbcc7ad4d75fb5a90652e6de3

        SHA1

        50e50243af1819e62a7512d85e6dd67b8e1ed103

        SHA256

        b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

        SHA512

        dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

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

        872KB

        MD5

        337b97dbbcc7ad4d75fb5a90652e6de3

        SHA1

        50e50243af1819e62a7512d85e6dd67b8e1ed103

        SHA256

        b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

        SHA512

        dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

      • C:\Users\Admin\AppData\Local\Temp\7zS7ED9.tmp\[email protected]\bootstrap.js
        Filesize

        2KB

        MD5

        df13f711e20e9c80171846d4f2f7ae06

        SHA1

        56d29cda58427efe0e21d3880d39eb1b0ef60bee

        SHA256

        6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

        SHA512

        6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

      • C:\Users\Admin\AppData\Local\Temp\7zS7ED9.tmp\[email protected]\chrome.manifest
        Filesize

        35B

        MD5

        7895a4305bd84acae49212df3a39ea22

        SHA1

        75cb29902dd1ebac060e368740b4e3dcb5a66285

        SHA256

        9a34ce46fda0475d0ee0d9ca1729eb1558e5ba098acddd0161220c15ecfe7f76

        SHA512

        119943e633adae62f0da8d617d7fcfeeacdf1431fb37a2a5acce19937c32a8429261e37fcb5a54e3cd81bed03c2c6e322e1bb8db341dd3fec6cedbef1fbcb997

      • C:\Users\Admin\AppData\Local\Temp\7zS7ED9.tmp\[email protected]\content\bg.js
        Filesize

        9KB

        MD5

        aec19f71709d3dc03c692f653d808898

        SHA1

        9a243e9bed217c4b5ebf9f020a38af9c88c6eaca

        SHA256

        fa0ee7bfe83285f2077bbd787cf7e191eb8b28839c0ef8d5f15d5ed9f8b8a8cb

        SHA512

        8b36c74cc08ed3f0b00c813088995d3ddabf67387804129997557319bd462f76ce7cbe69ff3aec0ee5e4c32f34eedad4582bdd29f626d270b284b083311980e3

      • C:\Users\Admin\AppData\Local\Temp\7zS7ED9.tmp\[email protected]\install.rdf
        Filesize

        596B

        MD5

        0722307475fbb83bf73b042683a1a759

        SHA1

        fbdfe150eb5ea2b281803491c94232331cf9d5ce

        SHA256

        e0e36374ba44f04befdddb23cf2a02043348b5f8e4efab23e9ebc62a213310a3

        SHA512

        f45566c6703dbfbd4af647496f7c8931136a91c060ca283acfb3d5b53cbd0e408ee1602201735059392ef803c15cdafa8ba76376fee222458c52c23334f8fb91

      • C:\Users\Admin\AppData\Local\Temp\7zS7ED9.tmp\WRhVqN6pFAy9ODf.dat
        Filesize

        7KB

        MD5

        c8c2c3ef737e8b952a70bcd4c19d5aae

        SHA1

        b1c8dae778c8e1592ea9ffef89fd87d04e872556

        SHA256

        90d5d50bb246ce9cc2c7088c15dc0121b76382fd2c8ed6b77fab1fa83dfaab1c

        SHA512

        6d983d66bf70ee2ca31860a87e14ab6f9463981bc78ba36a413a5d786adf3867fc4a219094eee361031954447962a49e6d56ebcb2d393b05204060bcd376bee4

      • C:\Users\Admin\AppData\Local\Temp\7zS7ED9.tmp\WRhVqN6pFAy9ODf.exe
        Filesize

        772KB

        MD5

        5ed7019dcd0008dbcd8e54017b8c7dd9

        SHA1

        7e4457da2ff06c2170bad636c9eb7c1bb436fd06

        SHA256

        7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

        SHA512

        10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

      • C:\Users\Admin\AppData\Local\Temp\7zS7ED9.tmp\WRhVqN6pFAy9ODf.exe
        Filesize

        772KB

        MD5

        5ed7019dcd0008dbcd8e54017b8c7dd9

        SHA1

        7e4457da2ff06c2170bad636c9eb7c1bb436fd06

        SHA256

        7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

        SHA512

        10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

      • C:\Users\Admin\AppData\Local\Temp\7zS7ED9.tmp\leLrWKimUIjvLe.dll
        Filesize

        738KB

        MD5

        49961c7c9a7aef57f49adf50d1c810f6

        SHA1

        fc2078aeff5d5abee27c9e8a500cb2d6ae755b05

        SHA256

        c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846

        SHA512

        8ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f

      • C:\Users\Admin\AppData\Local\Temp\7zS7ED9.tmp\leLrWKimUIjvLe.tlb
        Filesize

        3KB

        MD5

        e3ab22d8beac0180520ab5289a64419b

        SHA1

        1456ba2c78b293e5a80185fefdf05f5dbe424937

        SHA256

        0d3342857b67678dd76e6a24e137f0d75ba399bb48bf5095d7e4f7dfa0bbe416

        SHA512

        c04163026ffa1c6fab34b4fdbf23702148c7c2a31dd356d26f9541027db078b6433aff3a5f749a209a3acbcf3a853a9b5f77984540e21be1f823ce92bcbfc4bf

      • C:\Users\Admin\AppData\Local\Temp\7zS7ED9.tmp\leLrWKimUIjvLe.x64.dll
        Filesize

        872KB

        MD5

        337b97dbbcc7ad4d75fb5a90652e6de3

        SHA1

        50e50243af1819e62a7512d85e6dd67b8e1ed103

        SHA256

        b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

        SHA512

        dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

      • C:\Users\Admin\AppData\Local\Temp\7zS7ED9.tmp\lebbpkpmbakphbmadobionbokcjmdbkn\DV.js
        Filesize

        6KB

        MD5

        b20beecc9f60a02e4ad1096a5cedc6c4

        SHA1

        3687956347e2af0582d67be2431b177e2a157dfc

        SHA256

        d7c2a847f0ccf6ca1e17250f07ac26a78b4c0fc241dbba985e0eb7ad61a95cb3

        SHA512

        4015475a6dae40cca015aa4a49e9bbba2538177787bb1294bf3b366026584dada6b9aede1885795e9dec93e0c510d02c3317d71230c4a2f443e044ca1f3a794b

      • C:\Users\Admin\AppData\Local\Temp\7zS7ED9.tmp\lebbpkpmbakphbmadobionbokcjmdbkn\background.html
        Filesize

        139B

        MD5

        0c6d294db429279c2ad3800a1a7a0387

        SHA1

        3058fc3e5c78494b06a5cd5de969ac29a9a293a8

        SHA256

        d278651365d3354e8850939417e25374c2d4cd9b08305d10c0b0eac9d5eee65f

        SHA512

        894da1afec61c204ebaae826edf916ce1e47ca416b99a8a5a3e019d53485413cb3a7358d953cd8043ca39397e15b60c5da6e08dcd8b9602aadf2af70f3d3d3a7

      • C:\Users\Admin\AppData\Local\Temp\7zS7ED9.tmp\lebbpkpmbakphbmadobionbokcjmdbkn\content.js
        Filesize

        144B

        MD5

        fca19198fd8af21016a8b1dec7980002

        SHA1

        fd01a47d14004e17a625efe66cc46a06c786cf40

        SHA256

        332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

        SHA512

        60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

      • C:\Users\Admin\AppData\Local\Temp\7zS7ED9.tmp\lebbpkpmbakphbmadobionbokcjmdbkn\lsdb.js
        Filesize

        531B

        MD5

        36d98318ab2b3b2585a30984db328afb

        SHA1

        f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

        SHA256

        ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

        SHA512

        6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

      • C:\Users\Admin\AppData\Local\Temp\7zS7ED9.tmp\lebbpkpmbakphbmadobionbokcjmdbkn\manifest.json
        Filesize

        498B

        MD5

        640199ea4621e34510de919f6a54436f

        SHA1

        dc65dbfad02bd2688030bd56ca1cab85917a9937

        SHA256

        e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

        SHA512

        d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

      • memory/676-149-0x0000000000000000-mapping.dmp
      • memory/3008-152-0x0000000000000000-mapping.dmp
      • memory/3504-132-0x0000000000000000-mapping.dmp