Analysis

  • max time kernel
    144s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2022 21:17

General

  • Target

    a4a41961c4c465b9e3ffe1283e70bde4f06239220b78f5a8af1ec52f9a36c4e3.exe

  • Size

    932KB

  • MD5

    6e5c38355e25f6838e9547e20696e804

  • SHA1

    a67300b74071ac4a0ec7f2acff673b98aba862a8

  • SHA256

    a4a41961c4c465b9e3ffe1283e70bde4f06239220b78f5a8af1ec52f9a36c4e3

  • SHA512

    8290ff7536ad29d72bf590521fbfcf0d05d8d0e6f0f24ed4bca27a174f28311357b1bb5e76409afb8558229601cf3dbf1c5561e81073e2b6b3ee8860a64c7c8c

  • SSDEEP

    24576:h1OYdaONCZ/iWCvu/2sWsJA/jlt+DHhsW:h1Os/CpYO/dJJDHhsW

Malware Config

Signatures

  • Executes dropped EXE 1 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
  • Drops file in System32 directory 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a4a41961c4c465b9e3ffe1283e70bde4f06239220b78f5a8af1ec52f9a36c4e3.exe
    "C:\Users\Admin\AppData\Local\Temp\a4a41961c4c465b9e3ffe1283e70bde4f06239220b78f5a8af1ec52f9a36c4e3.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5028
    • C:\Users\Admin\AppData\Local\Temp\7zSACB0.tmp\7q36xOEgIT0oVd3.exe
      .\7q36xOEgIT0oVd3.exe
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1336
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
    1⤵
      PID:396
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
      1⤵
        PID:856

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      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:\Users\Admin\AppData\Local\Temp\7zSACB0.tmp\7q36xOEgIT0oVd3.dat
        Filesize

        1KB

        MD5

        1c424e6ad31825cd991e7f8e6a1dc0b3

        SHA1

        c120f9ed1f571212e33acf0ee524849bfd833603

        SHA256

        b5887aeb9947566a490374be3640cf115a2eef4ee780955d687aab072f576848

        SHA512

        e9d2ab7be243d71ca960991bd2ee35c5cb19fabc53c3027147a0076f9254edf99ba7e5602d313219811db76139baf4e9513f83dd52b087569a80c81b1e596931

      • C:\Users\Admin\AppData\Local\Temp\7zSACB0.tmp\7q36xOEgIT0oVd3.exe
        Filesize

        772KB

        MD5

        5ed7019dcd0008dbcd8e54017b8c7dd9

        SHA1

        7e4457da2ff06c2170bad636c9eb7c1bb436fd06

        SHA256

        7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

        SHA512

        10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

      • C:\Users\Admin\AppData\Local\Temp\7zSACB0.tmp\7q36xOEgIT0oVd3.exe
        Filesize

        772KB

        MD5

        5ed7019dcd0008dbcd8e54017b8c7dd9

        SHA1

        7e4457da2ff06c2170bad636c9eb7c1bb436fd06

        SHA256

        7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

        SHA512

        10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

      • C:\Users\Admin\AppData\Local\Temp\7zSACB0.tmp\[email protected]\bootstrap.js
        Filesize

        2KB

        MD5

        df13f711e20e9c80171846d4f2f7ae06

        SHA1

        56d29cda58427efe0e21d3880d39eb1b0ef60bee

        SHA256

        6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

        SHA512

        6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

      • C:\Users\Admin\AppData\Local\Temp\7zSACB0.tmp\[email protected]\chrome.manifest
        Filesize

        35B

        MD5

        ccd1db2ab95c63c0cb7e35631edb8454

        SHA1

        197651ae6b37149e87230fafbb75861ab7355e02

        SHA256

        9be21c430d36a2b0d4cdf5c907bcc7708bee028851493adca7e705bc129ca09f

        SHA512

        caa29820df81fc6218fcb68a696a9bfdebe3e45428aab226932bc3a504cbcc2c611726930fbae8628ca0d89a0d0290464e0b96bae9365b746aae5d783c9b968d

      • C:\Users\Admin\AppData\Local\Temp\7zSACB0.tmp\[email protected]\content\bg.js
        Filesize

        9KB

        MD5

        bc6e3f431b7516ce6144e814ab5dbc74

        SHA1

        c64c36ee42f48d6f7972726a83c8abcd95569552

        SHA256

        7c639e66aba733705bc08495af9fa2a8aa731d3e32d4de884b18ab59b831d1c6

        SHA512

        5148ac4a86e128cf7b169add43169176331ba325e84d1effc1dad2890d2a73b3c32b92f1c679524a4af0fed1ba23783fce0db2f9d6962d1df1ba36efc41a763d

      • C:\Users\Admin\AppData\Local\Temp\7zSACB0.tmp\[email protected]\install.rdf
        Filesize

        592B

        MD5

        7ae8f29d02d09d4d7e2192189d337933

        SHA1

        1b3e722c5575653a7105885aad5a5902bba7b86e

        SHA256

        07a800ea9fbef576825fb4601e57cd7b17d8ac1293f1e2b6b3ce7314f5681619

        SHA512

        8c93354911c31a13b1f8d1ad8f2f2d923d2462c3906e194763123645f8adcb7c4519a66f3f04521805beaf80daedd399b848ee1d42d7fbd96c3811750f27524c

      • C:\Users\Admin\AppData\Local\Temp\7zSACB0.tmp\bljccnjlamgbbdebkbahdhmakofgifnk\EjudVnR7k.js
        Filesize

        6KB

        MD5

        38401b77bd05df2f8387c2982bf8de1e

        SHA1

        6b635ae8232583ff5ea210442a44507cddc2780c

        SHA256

        af2ddf2ac99353b039e858db5a3ea714c6b0343f3c825499029c9db4b15c6c1d

        SHA512

        85adc091c676d3ff3f425c49e8be7d405c779ab7d96453fbf7cca338ce3b5b43d3dd875b11068a3aa54bafff02912dd631b7fa7ea1a356241594b409ec88ce77

      • C:\Users\Admin\AppData\Local\Temp\7zSACB0.tmp\bljccnjlamgbbdebkbahdhmakofgifnk\background.html
        Filesize

        146B

        MD5

        7466b3a1f973f720d5890a1c28d96d79

        SHA1

        92b1fbbd5aa13f6f0378ac5809bbe6a92ea6f5f3

        SHA256

        64f7c6202fc2cd8de8d429dbe678f8a0ca72841d458d3037606224104a09239b

        SHA512

        deaae72bc88aa8c58f162aec0195943726f784e52932568a6e40d549fe98295af7495e83982add7c0c28dc719a7d8ea0b45d6dbd88479025e98627871e838af3

      • C:\Users\Admin\AppData\Local\Temp\7zSACB0.tmp\bljccnjlamgbbdebkbahdhmakofgifnk\content.js
        Filesize

        144B

        MD5

        fca19198fd8af21016a8b1dec7980002

        SHA1

        fd01a47d14004e17a625efe66cc46a06c786cf40

        SHA256

        332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

        SHA512

        60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

      • C:\Users\Admin\AppData\Local\Temp\7zSACB0.tmp\bljccnjlamgbbdebkbahdhmakofgifnk\lsdb.js
        Filesize

        531B

        MD5

        36d98318ab2b3b2585a30984db328afb

        SHA1

        f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

        SHA256

        ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

        SHA512

        6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

      • C:\Users\Admin\AppData\Local\Temp\7zSACB0.tmp\bljccnjlamgbbdebkbahdhmakofgifnk\manifest.json
        Filesize

        498B

        MD5

        640199ea4621e34510de919f6a54436f

        SHA1

        dc65dbfad02bd2688030bd56ca1cab85917a9937

        SHA256

        e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

        SHA512

        d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

      • memory/1336-135-0x0000000000000000-mapping.dmp