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Analysis

  • max time kernel
    126s
  • max time network
    155s
  • 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, 05:46

General

  • Target

    b5ea8c3484fbe15dd92222aa7b9227aea85595438c1961b4153319662c813902.exe

  • Size

    924KB

  • MD5

    d2787fc117f2fd1f3ad8146d4bb5742f

  • SHA1

    b9082093b04a24afd07bcbbe51693eaa4ee2abce

  • SHA256

    b5ea8c3484fbe15dd92222aa7b9227aea85595438c1961b4153319662c813902

  • SHA512

    caa0ecaff516faaf8c6ba700b8603d159d9515ca00c8c35e0a4fdb0644f48e5b1d75a362ad63d2f6143d3cb1809ff1c52a8a5da51f603642dab4b04c9341a4c1

  • SSDEEP

    24576:h1OYdaOofC5S9N6w6EVX1Lh+mN5Z4E8IlIyYuX0:h1OsVMN6wdBh5N5Z4E8PuX0

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\b5ea8c3484fbe15dd92222aa7b9227aea85595438c1961b4153319662c813902.exe
    "C:\Users\Admin\AppData\Local\Temp\b5ea8c3484fbe15dd92222aa7b9227aea85595438c1961b4153319662c813902.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1376
    • C:\Users\Admin\AppData\Local\Temp\7zSBA2D.tmp\ES4aGn2ntvmkRYd.exe
      .\ES4aGn2ntvmkRYd.exe
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2276
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
    1⤵
      PID:1320
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
      1⤵
        PID:3356

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\7zSBA2D.tmp\[email protected]\bootstrap.js

        Filesize

        2KB

        MD5

        df13f711e20e9c80171846d4f2f7ae06

        SHA1

        56d29cda58427efe0e21d3880d39eb1b0ef60bee

        SHA256

        6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

        SHA512

        6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

      • C:\Users\Admin\AppData\Local\Temp\7zSBA2D.tmp\[email protected]\chrome.manifest

        Filesize

        35B

        MD5

        5dd934cf90213af4da0e3a23261fc887

        SHA1

        7f239e2bc62ca380fc7d5b637586177029de1601

        SHA256

        b4605bc59b8b4bff107a49d2688fb6a2dadc9b73dcc999120fb5eac0151c62a9

        SHA512

        e88e26dea41f86b0fab08f1ac0565d2f1bf137b185125f9495296e60033d2e8c6250a9b761b5e917e8fca4c28bb9e53da856a78989c142147805e466d4d3ae14

      • C:\Users\Admin\AppData\Local\Temp\7zSBA2D.tmp\[email protected]\content\bg.js

        Filesize

        8KB

        MD5

        b0ed78cbd8016fa3cd70b4693c5441ec

        SHA1

        2d17300926ff0344b075993877dfc5b6d616cde8

        SHA256

        6c4e1ea02a0777829cc1dbdc39e1d72dd4d351a95d1a31db751bfdca780404df

        SHA512

        cb2984686306c2fde667d3c647c53a16cd85f815e9fa7112abeeed5557e120aa5b475b9e4c3670ef446cf45545e13be653930ac7a3bb093ae0ec1b25b15acf24

      • C:\Users\Admin\AppData\Local\Temp\7zSBA2D.tmp\[email protected]\install.rdf

        Filesize

        593B

        MD5

        210eea1b919a8d2afbc9c448d41bded7

        SHA1

        0fd6bba3bda8fb65efa44d02749f5d2b5395c919

        SHA256

        4b33102b0096e72d21b4d2cca07d768b87c7db31dde8dca0cc896548dd3c34a8

        SHA512

        c43fdc1a06771e747c1ef7e667703427aa704d57232c8edd2446d4471b8f1e1b0dc399ddaa073bdbe59afc3b3ea2be0fd10eeaad159c585913f9b50c022c3e82

      • C:\Users\Admin\AppData\Local\Temp\7zSBA2D.tmp\ES4aGn2ntvmkRYd.dat

        Filesize

        1KB

        MD5

        41cfe71455807659b8464190360c9118

        SHA1

        592ee01e9163d7e19e98859eb32abd3bca9c1b17

        SHA256

        0ee4d0fa5987979d38d0b591e1da7b2b0826da0c2e0a159091970e7a44eb34ea

        SHA512

        3e9b0cfeec12578ab8b5d738d0a3b68d7f3fa00cd886a27285f6c36c3516abc77695979db488085e89e5b71b314aceea0c7de3ea5dc7c520ffce3ed95b943b25

      • C:\Users\Admin\AppData\Local\Temp\7zSBA2D.tmp\ES4aGn2ntvmkRYd.exe

        Filesize

        765KB

        MD5

        21c7e6ab35acdb8d15ac0590900c5206

        SHA1

        bd696ab0d1806c5492b4444d96fe272f217f4058

        SHA256

        314c44ac357c692c66516271e02fe280e9fc6d030a7172f2379c81fa383d44ec

        SHA512

        775636d7ec02398e32463ceaa7e1b18fe20689ed75d9c731b37b83f4c3ce828d2d2274d2f75d4f2c25133775969864467eff69b5fbf40e286fbfca6bdee1d3dd

      • C:\Users\Admin\AppData\Local\Temp\7zSBA2D.tmp\ES4aGn2ntvmkRYd.exe

        Filesize

        765KB

        MD5

        21c7e6ab35acdb8d15ac0590900c5206

        SHA1

        bd696ab0d1806c5492b4444d96fe272f217f4058

        SHA256

        314c44ac357c692c66516271e02fe280e9fc6d030a7172f2379c81fa383d44ec

        SHA512

        775636d7ec02398e32463ceaa7e1b18fe20689ed75d9c731b37b83f4c3ce828d2d2274d2f75d4f2c25133775969864467eff69b5fbf40e286fbfca6bdee1d3dd

      • C:\Users\Admin\AppData\Local\Temp\7zSBA2D.tmp\iionapdpmeckiocbklbnfghbalndghpk\Y5Ojf.js

        Filesize

        6KB

        MD5

        7876f4b23ffc8a65aaf66b13593d42b7

        SHA1

        489e4ddf6a8efb2787f846b2bb3f51edd139c91b

        SHA256

        6e019a7ebaf625956d2171afcd3b58d9a13a60ea3ae51e3ada6579b406368496

        SHA512

        62bd19c7306c1ca2ee11f8539d4bab3aa3da153886b87ae3b6d3da3170bdafe542f1d38479face0d8c20c663940a3c7a8caeb0afd6ed51e42f3a5ce8ec08a205

      • C:\Users\Admin\AppData\Local\Temp\7zSBA2D.tmp\iionapdpmeckiocbklbnfghbalndghpk\background.html

        Filesize

        142B

        MD5

        893ff32b001dc94be994ccdcbfdfc47e

        SHA1

        a969cba3d9b2ef3436cf12743e845a66d8966204

        SHA256

        539002f559e795b5b1c0715e3e421d6405b6c42155448cb4dd179e8eaecd82ca

        SHA512

        307bae6f79268d90f1d84827509b054b356bd880687fce5e09a7e46ba83d50e383882b552301307ec8e362f93c7ab839f0fd5a72ebba23378e2ba7bd1cbcbd25

      • C:\Users\Admin\AppData\Local\Temp\7zSBA2D.tmp\iionapdpmeckiocbklbnfghbalndghpk\content.js

        Filesize

        144B

        MD5

        fca19198fd8af21016a8b1dec7980002

        SHA1

        fd01a47d14004e17a625efe66cc46a06c786cf40

        SHA256

        332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

        SHA512

        60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

      • C:\Users\Admin\AppData\Local\Temp\7zSBA2D.tmp\iionapdpmeckiocbklbnfghbalndghpk\lsdb.js

        Filesize

        531B

        MD5

        36d98318ab2b3b2585a30984db328afb

        SHA1

        f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

        SHA256

        ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

        SHA512

        6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

      • C:\Users\Admin\AppData\Local\Temp\7zSBA2D.tmp\iionapdpmeckiocbklbnfghbalndghpk\manifest.json

        Filesize

        498B

        MD5

        640199ea4621e34510de919f6a54436f

        SHA1

        dc65dbfad02bd2688030bd56ca1cab85917a9937

        SHA256

        e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

        SHA512

        d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a