Analysis

  • max time kernel
    125s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2022 01:51

General

  • Target

    4bac4e2ba12c1987ac5655c8267f997c4ab88afa02dcc6c411c97799b0357d0a.exe

  • Size

    919KB

  • MD5

    623f204cc65764bd70d669d999647cc4

  • SHA1

    ad35c8748a9f1a62c8b24849000b7680a5189c3f

  • SHA256

    4bac4e2ba12c1987ac5655c8267f997c4ab88afa02dcc6c411c97799b0357d0a

  • SHA512

    06d164da6cc042a506ca9806cf32eb2a4b40c57b9cce6c71adb48b57e9ff8028613548baa36f0ab10c87fb762878f8181b2f00948644d37a8ffbe3d261e6bb77

  • SSDEEP

    24576:h1OYdaOKMtdHAqcdDVhYwiei7+EpFAh/kKD:h1OszPHVmVhYwiLtKkKD

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\4bac4e2ba12c1987ac5655c8267f997c4ab88afa02dcc6c411c97799b0357d0a.exe
    "C:\Users\Admin\AppData\Local\Temp\4bac4e2ba12c1987ac5655c8267f997c4ab88afa02dcc6c411c97799b0357d0a.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4872
    • C:\Users\Admin\AppData\Local\Temp\7zSF784.tmp\AqtzwOZef58SzLl.exe
      .\AqtzwOZef58SzLl.exe
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4900
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
    1⤵
      PID:8
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
      1⤵
        PID:64

      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\7zSF784.tmp\AqtzwOZef58SzLl.dat
        Filesize

        1KB

        MD5

        44a598226399f41c4a6ed5f27a67f27e

        SHA1

        39ff558d2e3958afbf411a8c1e5ea274a17fc522

        SHA256

        863fb77d0c998f0bc7714a14daf7898bfdffa66f7a82868a04f6529c6f03843b

        SHA512

        812d0e32f22f4f35d08c072db16af0e190cf2a16a84f8af6f4fcb9c011825655c494a7623c917fa8503aadb7de3cddacb5c5bc3dbb6d091e11e713403748db34

      • C:\Users\Admin\AppData\Local\Temp\7zSF784.tmp\AqtzwOZef58SzLl.exe
        Filesize

        760KB

        MD5

        dcd148f6f3af3e3b0935c4fcc9f41811

        SHA1

        ee9bdbc7c568c7832d90b85921ab20030b6734cd

        SHA256

        f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

        SHA512

        34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

      • C:\Users\Admin\AppData\Local\Temp\7zSF784.tmp\AqtzwOZef58SzLl.exe
        Filesize

        760KB

        MD5

        dcd148f6f3af3e3b0935c4fcc9f41811

        SHA1

        ee9bdbc7c568c7832d90b85921ab20030b6734cd

        SHA256

        f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

        SHA512

        34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

      • C:\Users\Admin\AppData\Local\Temp\7zSF784.tmp\hdeciggocjkobeeadfaicgcolhgoooaf\background.html
        Filesize

        145B

        MD5

        8aa528e96c9d1fe304b3f9abbbacd1e4

        SHA1

        b1c4f0dafe313ae4a8d3395c32268ffdabb0d7e6

        SHA256

        1e636c2393b9739fda46fe5105ff796d267c31e3b58128e94a9068b7854d7dde

        SHA512

        6aeef467183074c19d8f1b4c2eb6673b84842d9532b7516c7164d848f0bf6fbffb06afbf235410f450b1db075e02f6f92d9226e85713bf5d78d4a8c434544600

      • C:\Users\Admin\AppData\Local\Temp\7zSF784.tmp\hdeciggocjkobeeadfaicgcolhgoooaf\content.js
        Filesize

        144B

        MD5

        fca19198fd8af21016a8b1dec7980002

        SHA1

        fd01a47d14004e17a625efe66cc46a06c786cf40

        SHA256

        332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

        SHA512

        60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

      • C:\Users\Admin\AppData\Local\Temp\7zSF784.tmp\hdeciggocjkobeeadfaicgcolhgoooaf\j8GHB9xh.js
        Filesize

        6KB

        MD5

        a9115fdaeb0743dc341c407247f9bb7d

        SHA1

        4dd35dd692a43e114e09aa11b177d8bff1dd9c47

        SHA256

        c066b9956671a4d5dd0737a3e9f198d62019947527a68fd3b8fbb874e502c063

        SHA512

        1c4f7e1c754cf1fa5f50965e38439bee2810457a7e012a81e55a6b477af6b002d08e7b8ac350b6cd399b6898a3d16ffbca84de0dc162e1a1845663b1e7593654

      • C:\Users\Admin\AppData\Local\Temp\7zSF784.tmp\hdeciggocjkobeeadfaicgcolhgoooaf\lsdb.js
        Filesize

        531B

        MD5

        36d98318ab2b3b2585a30984db328afb

        SHA1

        f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

        SHA256

        ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

        SHA512

        6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

      • C:\Users\Admin\AppData\Local\Temp\7zSF784.tmp\hdeciggocjkobeeadfaicgcolhgoooaf\manifest.json
        Filesize

        498B

        MD5

        640199ea4621e34510de919f6a54436f

        SHA1

        dc65dbfad02bd2688030bd56ca1cab85917a9937

        SHA256

        e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

        SHA512

        d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

      • C:\Users\Admin\AppData\Local\Temp\7zSF784.tmp\[email protected]\bootstrap.js
        Filesize

        2KB

        MD5

        df13f711e20e9c80171846d4f2f7ae06

        SHA1

        56d29cda58427efe0e21d3880d39eb1b0ef60bee

        SHA256

        6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

        SHA512

        6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

      • C:\Users\Admin\AppData\Local\Temp\7zSF784.tmp\[email protected]\chrome.manifest
        Filesize

        35B

        MD5

        0b1ac5fc8ff5e8c54b176695c1111e98

        SHA1

        93f1f192eeab20bfa7ef501bd4dc2775093b5f28

        SHA256

        1f3e9ccfc17424112e834a39cdeb38c550501bba26759bef9e2dae4394d3a721

        SHA512

        c50abef92e78d67f819054fa7e06714b5b269047e2deb9a9f3ce84f6746837893284ab12f378d643d3f044780a7ff2c25288ae54ccd2cfe94b5fbd9ae02ead3d

      • C:\Users\Admin\AppData\Local\Temp\7zSF784.tmp\[email protected]\content\bg.js
        Filesize

        8KB

        MD5

        a9eb395c3381fa1703284a43144fe3cc

        SHA1

        39e7dc788f7f595fb986b9705eb6fa5770ccaed7

        SHA256

        0c3688ca56246007b063e9b6fd5c58ddc839451d85fa28d015138a37c3e04acf

        SHA512

        d9cdab540aa560cacb0563e5c947bc0f423640990d7999923c4b30f3ea676f0f3cd2257ad848ffd55c2a8d9fc5d5bfd338eb2870a48c16ea01f6fabf9afa6b02

      • C:\Users\Admin\AppData\Local\Temp\7zSF784.tmp\[email protected]\install.rdf
        Filesize

        592B

        MD5

        3e4b41d8355a2b467855689b403cb7a5

        SHA1

        a0f74462aa2dfb57ec432b0836d03b04295e5e5a

        SHA256

        ae90b3950011c9fa02965da253cf360559ff671ebacb1aa46c6526fc814ee195

        SHA512

        59ca3be05fa8c0726325e7a7e6c979be78b1bb62732dee5d9054f0b3438863cda3f13309e6ee1fd68cb0d40cf1ede500609133ccc15a9a8a85f4f5b5ed53677c

      • memory/4900-132-0x0000000000000000-mapping.dmp