Analysis

  • max time kernel
    134s
  • max time network
    134s
  • 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 19:29

General

  • Target

    c69ea4ea3bde0d1c495c03c59b61a0c6cbedcd7864c886cca218964c51620727.exe

  • Size

    2.5MB

  • MD5

    dc224d9116eef4ef4c79a4853e6335e4

  • SHA1

    f1481b561e79f68b1ce2d68e7e263278a7918da0

  • SHA256

    c69ea4ea3bde0d1c495c03c59b61a0c6cbedcd7864c886cca218964c51620727

  • SHA512

    17e5e5573e991d98d317bb64f9355cc001af016f470cdf55b6c978371b3f8475d80db9fb97ba0b4ac9fd682f398858e562d388c47370ea79f23eb926e3964d99

  • SSDEEP

    49152:h1OsgyDFXmj+BHBALGk7GNIgSDjjQkzYznJKOZaB/Isxd:h1O30JSqALGkqaDj7d

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\c69ea4ea3bde0d1c495c03c59b61a0c6cbedcd7864c886cca218964c51620727.exe
    "C:\Users\Admin\AppData\Local\Temp\c69ea4ea3bde0d1c495c03c59b61a0c6cbedcd7864c886cca218964c51620727.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1436
    • C:\Users\Admin\AppData\Local\Temp\7zSEF66.tmp\cd6oa1rvXZihDzo.exe
      .\cd6oa1rvXZihDzo.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:2432
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /s "C:\Program Files (x86)\GoSave\vctjCu6spIEqlZ.x64.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2036
        • C:\Windows\system32\regsvr32.exe
          /s "C:\Program Files (x86)\GoSave\vctjCu6spIEqlZ.x64.dll"
          4⤵
          • Loads dropped DLL
          • Installs/modifies Browser Helper Object
          PID:3740
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
    1⤵
      PID:4640
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
      1⤵
        PID:1072

      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\vctjCu6spIEqlZ.dat
        Filesize

        7KB

        MD5

        f9386f507907734ef735cc2fff5104ae

        SHA1

        baa860e8a4e71d11e11459179c6ae01b8bdc1aaa

        SHA256

        1d83972befeb5dbf5bc659b03881c738b5e4e37db5c80412b6170e471c43b052

        SHA512

        dcb70d7b32452c565ad18a94c15bd39571232d639ace3c293dabd639b903cbdfd671f6c04711ab361e343c96d26867c97a801b54c72e409ec6f9a5a0683d630b

      • C:\Program Files (x86)\GoSave\vctjCu6spIEqlZ.dll
        Filesize

        749KB

        MD5

        05636af3aa9a36a4a1df7560231b520c

        SHA1

        94b0fb3246f9d757a44cc80401bab6720f7f5fb3

        SHA256

        2c8c222a335b7872c49a0a0185d5cbf29481c8364e1d5d822afa532cfa77ee10

        SHA512

        e8d8e47faf9d357cfae6c8e515426787111b2c4602390d7cc1eda04485a436ca7013c89061887fe45da2566c5dd2e1e04599af270062379b37444985d1f1d07c

      • C:\Program Files (x86)\GoSave\vctjCu6spIEqlZ.x64.dll
        Filesize

        886KB

        MD5

        eadda36c5638e64e055ca60e50caf427

        SHA1

        822ae0491b2897790cb3e10920836e2ea40696e1

        SHA256

        419d87b1e4cfdb1e6fc4bbaa8c05bdeec5bb2c1afe87544fe78aa875013a9cff

        SHA512

        60fc2b64a30a972adfa94cfdd308887c590a8c15bc90b0a55692a860c6ca15cfe3fc7237102d7860bfd65764d479d37e62f0b09f94b4e3c76463821c6148cbb2

      • C:\Program Files (x86)\GoSave\vctjCu6spIEqlZ.x64.dll
        Filesize

        886KB

        MD5

        eadda36c5638e64e055ca60e50caf427

        SHA1

        822ae0491b2897790cb3e10920836e2ea40696e1

        SHA256

        419d87b1e4cfdb1e6fc4bbaa8c05bdeec5bb2c1afe87544fe78aa875013a9cff

        SHA512

        60fc2b64a30a972adfa94cfdd308887c590a8c15bc90b0a55692a860c6ca15cfe3fc7237102d7860bfd65764d479d37e62f0b09f94b4e3c76463821c6148cbb2

      • C:\Program Files (x86)\GoSave\vctjCu6spIEqlZ.x64.dll
        Filesize

        886KB

        MD5

        eadda36c5638e64e055ca60e50caf427

        SHA1

        822ae0491b2897790cb3e10920836e2ea40696e1

        SHA256

        419d87b1e4cfdb1e6fc4bbaa8c05bdeec5bb2c1afe87544fe78aa875013a9cff

        SHA512

        60fc2b64a30a972adfa94cfdd308887c590a8c15bc90b0a55692a860c6ca15cfe3fc7237102d7860bfd65764d479d37e62f0b09f94b4e3c76463821c6148cbb2

      • C:\Users\Admin\AppData\Local\Temp\7zSEF66.tmp\bkeekkpgbllhimjeendjklpkofkbndbf\background.html
        Filesize

        145B

        MD5

        4d99345e042f79e59835775cab4a4f52

        SHA1

        88c017d775fd986ecd1931fb7ae57107c0f82109

        SHA256

        9e90e115e9f6ca0b9956ef0fafc2ee2d5aae49d5d23b7430bca8f66310b752c7

        SHA512

        fafd18f742c649b4f9b501c5f308022d54373c3d63fcbd4e43c33ad2e00c055083ce941a0c26d7c00ff8e86206d5a0cf2a4b2e91d29c4335d49ad635f40e5332

      • C:\Users\Admin\AppData\Local\Temp\7zSEF66.tmp\bkeekkpgbllhimjeendjklpkofkbndbf\content.js
        Filesize

        144B

        MD5

        fca19198fd8af21016a8b1dec7980002

        SHA1

        fd01a47d14004e17a625efe66cc46a06c786cf40

        SHA256

        332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

        SHA512

        60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

      • C:\Users\Admin\AppData\Local\Temp\7zSEF66.tmp\bkeekkpgbllhimjeendjklpkofkbndbf\lsdb.js
        Filesize

        531B

        MD5

        36d98318ab2b3b2585a30984db328afb

        SHA1

        f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

        SHA256

        ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

        SHA512

        6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

      • C:\Users\Admin\AppData\Local\Temp\7zSEF66.tmp\bkeekkpgbllhimjeendjklpkofkbndbf\manifest.json
        Filesize

        498B

        MD5

        640199ea4621e34510de919f6a54436f

        SHA1

        dc65dbfad02bd2688030bd56ca1cab85917a9937

        SHA256

        e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

        SHA512

        d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

      • C:\Users\Admin\AppData\Local\Temp\7zSEF66.tmp\bkeekkpgbllhimjeendjklpkofkbndbf\uKevUVZK.js
        Filesize

        6KB

        MD5

        35bf316fcf1bef6106c4f75ecfa700b8

        SHA1

        a007e57e6660c90acd8eed2d452e0c479c950a5b

        SHA256

        b41f2d835093c400ae29e2e6f0bc833c8c324dd9299937aac6a289b8f680bd51

        SHA512

        22746a0d9625fb67f511f3edac6480feedc9fb7473f06a97e74c19525253624a9b6405b04f2d2d2d4f2ec8d5f597532cf5b5754ad8673fc6621a44d575f89436

      • C:\Users\Admin\AppData\Local\Temp\7zSEF66.tmp\cd6oa1rvXZihDzo.dat
        Filesize

        7KB

        MD5

        f9386f507907734ef735cc2fff5104ae

        SHA1

        baa860e8a4e71d11e11459179c6ae01b8bdc1aaa

        SHA256

        1d83972befeb5dbf5bc659b03881c738b5e4e37db5c80412b6170e471c43b052

        SHA512

        dcb70d7b32452c565ad18a94c15bd39571232d639ace3c293dabd639b903cbdfd671f6c04711ab361e343c96d26867c97a801b54c72e409ec6f9a5a0683d630b

      • C:\Users\Admin\AppData\Local\Temp\7zSEF66.tmp\cd6oa1rvXZihDzo.exe
        Filesize

        769KB

        MD5

        926d03f373e2f0d6ecf16e30c941ad60

        SHA1

        b5caf80c04b62525774f66262ce6b1ebeaa19315

        SHA256

        b14f3bb56383bbb14a4341fd60674a9fc62505a69413ec25b9ff8dade8c63847

        SHA512

        6aa4ade944470239569b56f7556df747c92218051a540e4d86006510cdee374718c7facc0f6089b5027b08aa728fc98538799d65343aef608ed91a704105a4a0

      • C:\Users\Admin\AppData\Local\Temp\7zSEF66.tmp\cd6oa1rvXZihDzo.exe
        Filesize

        769KB

        MD5

        926d03f373e2f0d6ecf16e30c941ad60

        SHA1

        b5caf80c04b62525774f66262ce6b1ebeaa19315

        SHA256

        b14f3bb56383bbb14a4341fd60674a9fc62505a69413ec25b9ff8dade8c63847

        SHA512

        6aa4ade944470239569b56f7556df747c92218051a540e4d86006510cdee374718c7facc0f6089b5027b08aa728fc98538799d65343aef608ed91a704105a4a0

      • C:\Users\Admin\AppData\Local\Temp\7zSEF66.tmp\[email protected]\bootstrap.js
        Filesize

        2KB

        MD5

        df13f711e20e9c80171846d4f2f7ae06

        SHA1

        56d29cda58427efe0e21d3880d39eb1b0ef60bee

        SHA256

        6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

        SHA512

        6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

      • C:\Users\Admin\AppData\Local\Temp\7zSEF66.tmp\[email protected]\chrome.manifest
        Filesize

        35B

        MD5

        91bf6df43578ddd20a2a37e6754a8a67

        SHA1

        64907edc433a2f24a54f703edaf372170697f61c

        SHA256

        a3fca21cbe4d3b23f650d8f9e8c3b1c0cf5deaf10428a00a2e29ee1ba3028b5a

        SHA512

        a738fefe114bf8b05a28259190411d463a598404f4348c4fe5f92d8ce005ac7433216a24c8cbf5880a7a8a32150fad6cfe3d9db477ceddf361da0b2d6e80bfc9

      • C:\Users\Admin\AppData\Local\Temp\7zSEF66.tmp\[email protected]\content\bg.js
        Filesize

        9KB

        MD5

        4e0b6962d07a21d6cb9635de0f7cdf13

        SHA1

        e6cb0f5044f36734ecb1879e976b52bac235b3a8

        SHA256

        d7a9a254e8479f20af37a6e5519160dd260194e0adf13f551d5fa322a31ace8b

        SHA512

        4f53bbb03fd4513e2cd547f61455b61285e1f833608255016c27acdb77cffbdbc2e3a9953f83f166b7e3088d8f9d2ced86dc269c678ef06bf5b1272df529d39c

      • C:\Users\Admin\AppData\Local\Temp\7zSEF66.tmp\[email protected]\install.rdf
        Filesize

        591B

        MD5

        956694bc4c1c4906d4f7604c8fc1c613

        SHA1

        97a40e486f7d4c3be508a7de7b848726d23ebde8

        SHA256

        5a52d9198cd078ef6e15781fc7f38f663c11b504595fe8d8b202f72328e9c686

        SHA512

        e294ecb6f9a831cc9a69f62c61b203a2ce824632ff05f6988a76928365a7463650084662e24f95113e9f76d3c41d94ca1ab49422f493169644231c91865cd5df

      • C:\Users\Admin\AppData\Local\Temp\7zSEF66.tmp\vctjCu6spIEqlZ.dll
        Filesize

        749KB

        MD5

        05636af3aa9a36a4a1df7560231b520c

        SHA1

        94b0fb3246f9d757a44cc80401bab6720f7f5fb3

        SHA256

        2c8c222a335b7872c49a0a0185d5cbf29481c8364e1d5d822afa532cfa77ee10

        SHA512

        e8d8e47faf9d357cfae6c8e515426787111b2c4602390d7cc1eda04485a436ca7013c89061887fe45da2566c5dd2e1e04599af270062379b37444985d1f1d07c

      • C:\Users\Admin\AppData\Local\Temp\7zSEF66.tmp\vctjCu6spIEqlZ.tlb
        Filesize

        3KB

        MD5

        aafd1d71b2778cd2369e1a2d7e7166d1

        SHA1

        f6505a389d7e2be9d3ccc3ea4e052abc338fcbb5

        SHA256

        b3772533d10176e84e6b87269bb0ab4dd783f34baa17eb2a7ad42078a2203e1c

        SHA512

        df4ef691872946fb4bfebc6ce3699f56fc4c5846c1a8de6b16296717ef4f41b8e5b32c43e8dd56fe46731a91da93684889e78d42a92fa37eb38622d1d71353a0

      • C:\Users\Admin\AppData\Local\Temp\7zSEF66.tmp\vctjCu6spIEqlZ.x64.dll
        Filesize

        886KB

        MD5

        eadda36c5638e64e055ca60e50caf427

        SHA1

        822ae0491b2897790cb3e10920836e2ea40696e1

        SHA256

        419d87b1e4cfdb1e6fc4bbaa8c05bdeec5bb2c1afe87544fe78aa875013a9cff

        SHA512

        60fc2b64a30a972adfa94cfdd308887c590a8c15bc90b0a55692a860c6ca15cfe3fc7237102d7860bfd65764d479d37e62f0b09f94b4e3c76463821c6148cbb2

      • memory/2036-149-0x0000000000000000-mapping.dmp
      • memory/2432-132-0x0000000000000000-mapping.dmp
      • memory/3740-152-0x0000000000000000-mapping.dmp