Analysis

  • max time kernel
    171s
  • max time network
    191s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2022 21:17

General

  • Target

    a4894c2dd7350822826099701c10667d7a92f4c1a188e240d4ba5b7300ff05c6.exe

  • Size

    920KB

  • MD5

    9411a1cecc28519a358caef9e55fcbdb

  • SHA1

    8b4be2732e8e3660864d8192a7f648a8b3522de3

  • SHA256

    a4894c2dd7350822826099701c10667d7a92f4c1a188e240d4ba5b7300ff05c6

  • SHA512

    79378f58a94a7bafd087d66dae16483a59cedf75ff3eae948202a6da6dc25cc82dd34c80886100fb006d9cd4a37f64bc88d25c2f8a20f00a5b0bb413c11af272

  • SSDEEP

    24576:h1OYdaOVMtdHAqcdDVhYwiei7+EpFAh/kKf:h1OsEPHVmVhYwiLtKkKf

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\a4894c2dd7350822826099701c10667d7a92f4c1a188e240d4ba5b7300ff05c6.exe
    "C:\Users\Admin\AppData\Local\Temp\a4894c2dd7350822826099701c10667d7a92f4c1a188e240d4ba5b7300ff05c6.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1108
    • C:\Users\Admin\AppData\Local\Temp\7zS1D5.tmp\AsXCJkpAs6pNCvh.exe
      .\AsXCJkpAs6pNCvh.exe
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4788
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
    1⤵
      PID:176
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
      1⤵
        PID:220

      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\7zS1D5.tmp\AsXCJkpAs6pNCvh.dat
        Filesize

        1KB

        MD5

        de93d2a7771b983c37aa80863343aba3

        SHA1

        eac521e703784f3016a501a816f75469f2618ac6

        SHA256

        1030670bff7cae967b4c4b34ca3438df10f28b9895ef6152146ecd00480e5ca5

        SHA512

        8cc208349fd0ff289da81df7421d6765bbeefedf8ede8c63a6843c85c36c925322ad4c09b6287de6cb43e76915adb51926da3d6cd256ebcaf71fff0ea0115b2e

      • C:\Users\Admin\AppData\Local\Temp\7zS1D5.tmp\AsXCJkpAs6pNCvh.exe
        Filesize

        760KB

        MD5

        dcd148f6f3af3e3b0935c4fcc9f41811

        SHA1

        ee9bdbc7c568c7832d90b85921ab20030b6734cd

        SHA256

        f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

        SHA512

        34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

      • C:\Users\Admin\AppData\Local\Temp\7zS1D5.tmp\AsXCJkpAs6pNCvh.exe
        Filesize

        760KB

        MD5

        dcd148f6f3af3e3b0935c4fcc9f41811

        SHA1

        ee9bdbc7c568c7832d90b85921ab20030b6734cd

        SHA256

        f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

        SHA512

        34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

      • C:\Users\Admin\AppData\Local\Temp\7zS1D5.tmp\[email protected]\bootstrap.js
        Filesize

        2KB

        MD5

        df13f711e20e9c80171846d4f2f7ae06

        SHA1

        56d29cda58427efe0e21d3880d39eb1b0ef60bee

        SHA256

        6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

        SHA512

        6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

      • C:\Users\Admin\AppData\Local\Temp\7zS1D5.tmp\[email protected]\chrome.manifest
        Filesize

        35B

        MD5

        659110455f792967dad6bf32d530db7d

        SHA1

        7a6ff2162635b9c7f60db5c4c9749f992ee9ce37

        SHA256

        3dbcc3d8771eef51cf083aef929e02d7e6861b7ae0916ed78b6e255c86975e7d

        SHA512

        e667578c97c5373a2b6cf5dc2d59c980763c0c7d1a19590329e2c993b729e5d5b07eb4a29a187cc5887b4b15bb8af0583f13f9c1d3ee049768c53c68f618347b

      • C:\Users\Admin\AppData\Local\Temp\7zS1D5.tmp\[email protected]\content\bg.js
        Filesize

        8KB

        MD5

        0155f7c46062351424ec5bb620b3e69c

        SHA1

        87f45b912c008d92e6c8e2a948e64b6837d06a27

        SHA256

        3a4065d5db9b30188fe4e3b158d787d34ee2a76b376c98380e6adaea2555d82f

        SHA512

        a252e2c6884e495b7258cf5400aa2451ae5e1fdc326ce46472517b49fa82c47e3e73c9286b34b6aa543ebf12c2a2098db57ad090f6ab66126322a5cfb226237f

      • C:\Users\Admin\AppData\Local\Temp\7zS1D5.tmp\[email protected]\install.rdf
        Filesize

        597B

        MD5

        8efa9e4b58d4ca56d36f1c43f9e15acf

        SHA1

        06f1d62ee5e4bde7c3e7f7f4c2328771e39f521a

        SHA256

        3d76281516a53042a84021bb9c4b4f1e75c28c2fd78cd0c77fa1b774cb1b07ca

        SHA512

        64b1267d02b51c4b334b3db25821cd5eb4c2cdfaa0adc5c03b305bb950a9463d447af24f8819278ec70ef4cddb7be32c56546016ec803c773a141652acc03461

      • C:\Users\Admin\AppData\Local\Temp\7zS1D5.tmp\bnpnafokkgjekjejaagndbilpgpfeohg\background.html
        Filesize

        145B

        MD5

        1a03c616ab0fe8ef33cc3ca3c17e2f69

        SHA1

        521291a9cba627254184e6c561bd2f3ac89dc7cd

        SHA256

        0864283cc1040e8afaa9472388a5583f1f3c73d16e8ef717f23cf329420988be

        SHA512

        5196592f0c5326369698d1543f893c49d0775e7c592872a4066cf42b7dcbc1c8b9110af4ad1df7f4387a57b1ac9216bdb153aa127a7a4223a13dcddd0bb1f97e

      • C:\Users\Admin\AppData\Local\Temp\7zS1D5.tmp\bnpnafokkgjekjejaagndbilpgpfeohg\content.js
        Filesize

        144B

        MD5

        fca19198fd8af21016a8b1dec7980002

        SHA1

        fd01a47d14004e17a625efe66cc46a06c786cf40

        SHA256

        332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

        SHA512

        60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

      • C:\Users\Admin\AppData\Local\Temp\7zS1D5.tmp\bnpnafokkgjekjejaagndbilpgpfeohg\lsdb.js
        Filesize

        531B

        MD5

        36d98318ab2b3b2585a30984db328afb

        SHA1

        f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

        SHA256

        ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

        SHA512

        6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

      • C:\Users\Admin\AppData\Local\Temp\7zS1D5.tmp\bnpnafokkgjekjejaagndbilpgpfeohg\manifest.json
        Filesize

        498B

        MD5

        640199ea4621e34510de919f6a54436f

        SHA1

        dc65dbfad02bd2688030bd56ca1cab85917a9937

        SHA256

        e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

        SHA512

        d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

      • C:\Users\Admin\AppData\Local\Temp\7zS1D5.tmp\bnpnafokkgjekjejaagndbilpgpfeohg\s3tgO9F1.js
        Filesize

        6KB

        MD5

        16e2247cdbe1d5d961ba35e33d80eab5

        SHA1

        196d1773dbf981ed426d7352ee92d957c978aabb

        SHA256

        402045ac1ef1a5c9821ef95de5e20a82835f11bafc5a9e80dbb560393c70b220

        SHA512

        92c9d5b0db156ae533da70d9564d6a01fd5b14d973b8f72c1b83008dad77648033d7236b3053e01c98b376c06fb6044c473bdec83beba7f28306148188d45ce5

      • memory/4788-132-0x0000000000000000-mapping.dmp