Analysis

  • max time kernel
    154s
  • max time network
    163s
  • 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 19:42

General

  • Target

    c28631f200cb883ef8906acd0df60ef9503fb2b702df4f9d5ba655e43a3d7c95.exe

  • Size

    932KB

  • MD5

    82eb34879945f0c407d9f1aa14ee986b

  • SHA1

    17ece8f6586ff447d2062a70f66468fc30d73ed1

  • SHA256

    c28631f200cb883ef8906acd0df60ef9503fb2b702df4f9d5ba655e43a3d7c95

  • SHA512

    54166b9436e85319ac3449566420a587caf446a9d87b44a34613d1d324198bf3c7ec4646a9d0c4fcdea4392b745e5b454a19959e1ab3759c2e1edc62fd3672c7

  • SSDEEP

    24576:h1OYdaONCZ/iWCvu/2sWsJA/jlt+DHhs8:h1OsPCpYO/dJJDHhs8

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\c28631f200cb883ef8906acd0df60ef9503fb2b702df4f9d5ba655e43a3d7c95.exe
    "C:\Users\Admin\AppData\Local\Temp\c28631f200cb883ef8906acd0df60ef9503fb2b702df4f9d5ba655e43a3d7c95.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3628
    • C:\Users\Admin\AppData\Local\Temp\7zSA0F8.tmp\42IBdBJHX3GgVBL.exe
      .\42IBdBJHX3GgVBL.exe
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2072
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
    1⤵
      PID:4104
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
      1⤵
        PID:3200

      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\7zSA0F8.tmp\42IBdBJHX3GgVBL.dat
        Filesize

        1KB

        MD5

        837f8c82161e57189a7869d86c39287f

        SHA1

        cf747347c3b7d11bb1b8605eaf43bdd1f1e62345

        SHA256

        84063323974091374d5069f0a510b8f2cc09cc7838f1a06d72aa8f1158a7649f

        SHA512

        ac81e70fa91abdacc3708da92d7dbd857ab866bee0a7dab9241388d545877e2cdda5a6f20bc3e9a4346ae589970c7fff4b6f1329fad22ff39a8ac13971fbe97c

      • C:\Users\Admin\AppData\Local\Temp\7zSA0F8.tmp\42IBdBJHX3GgVBL.exe
        Filesize

        772KB

        MD5

        5ed7019dcd0008dbcd8e54017b8c7dd9

        SHA1

        7e4457da2ff06c2170bad636c9eb7c1bb436fd06

        SHA256

        7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

        SHA512

        10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

      • C:\Users\Admin\AppData\Local\Temp\7zSA0F8.tmp\42IBdBJHX3GgVBL.exe
        Filesize

        772KB

        MD5

        5ed7019dcd0008dbcd8e54017b8c7dd9

        SHA1

        7e4457da2ff06c2170bad636c9eb7c1bb436fd06

        SHA256

        7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

        SHA512

        10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

      • C:\Users\Admin\AppData\Local\Temp\7zSA0F8.tmp\bgfnmeeiocmegpnhhmapgmkialmpfakh\background.html
        Filesize

        140B

        MD5

        3638f9b1d0c5855520c88245b47c1a6c

        SHA1

        fd3e2249bc8aa96bad29f053c5a8b9a0bf0f8120

        SHA256

        7b321b23cd657e941e84cb698daf21f16a0fef3c81d5ddcc485d40533acccf19

        SHA512

        1f8c10f6672c14d67f0ed68c768494499c2416e93ea7e33bc0927d789b0ba9d6e0194cef91932d3330fcdd4b596455426ae58c19bbe91bab4f61b48cc26787d1

      • C:\Users\Admin\AppData\Local\Temp\7zSA0F8.tmp\bgfnmeeiocmegpnhhmapgmkialmpfakh\content.js
        Filesize

        144B

        MD5

        fca19198fd8af21016a8b1dec7980002

        SHA1

        fd01a47d14004e17a625efe66cc46a06c786cf40

        SHA256

        332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

        SHA512

        60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

      • C:\Users\Admin\AppData\Local\Temp\7zSA0F8.tmp\bgfnmeeiocmegpnhhmapgmkialmpfakh\jg1.js
        Filesize

        6KB

        MD5

        49ca368a2fe3a2734554de6c1641b72e

        SHA1

        c744e5d3b8932b97f791c6577acc3256615d64dc

        SHA256

        8b86e42124031c41f2519a6f0baa23dabf4e411ae5218eced541ad872bd58e29

        SHA512

        f694ea821375eae5a8e8ab0ffa4c91ce47410193ee88fea284f8ed77afc59ba32d9067c205c15e7828fba5c513b0db1a74ea83f67eb947253a9cc9d37e36e5dc

      • C:\Users\Admin\AppData\Local\Temp\7zSA0F8.tmp\bgfnmeeiocmegpnhhmapgmkialmpfakh\lsdb.js
        Filesize

        531B

        MD5

        36d98318ab2b3b2585a30984db328afb

        SHA1

        f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

        SHA256

        ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

        SHA512

        6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

      • C:\Users\Admin\AppData\Local\Temp\7zSA0F8.tmp\bgfnmeeiocmegpnhhmapgmkialmpfakh\manifest.json
        Filesize

        498B

        MD5

        640199ea4621e34510de919f6a54436f

        SHA1

        dc65dbfad02bd2688030bd56ca1cab85917a9937

        SHA256

        e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

        SHA512

        d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

      • C:\Users\Admin\AppData\Local\Temp\7zSA0F8.tmp\xUmBYHgE@OOO.com\bootstrap.js
        Filesize

        2KB

        MD5

        df13f711e20e9c80171846d4f2f7ae06

        SHA1

        56d29cda58427efe0e21d3880d39eb1b0ef60bee

        SHA256

        6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

        SHA512

        6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

      • C:\Users\Admin\AppData\Local\Temp\7zSA0F8.tmp\xUmBYHgE@OOO.com\chrome.manifest
        Filesize

        35B

        MD5

        fd2bf21485f7ea812287fcf6868ac898

        SHA1

        2969bd35c4c1341380011b5ff038c3bd1f6e7ce7

        SHA256

        ccc926a1d8239808a7da319bff577af2873f74a7c2cb8032100f1fc5b9b6b6ab

        SHA512

        8563bb7fc6a4a2a297e935dc1e7dd30e61de24dddc8e3f3343cec1535520cd9d40ca6b7e257e62e992248eed3a9494cf9b51d572f35f3f0287b6d8f9b74e7bea

      • C:\Users\Admin\AppData\Local\Temp\7zSA0F8.tmp\xUmBYHgE@OOO.com\content\bg.js
        Filesize

        9KB

        MD5

        d83904f1245c9bc9a2687fdd0d2aab65

        SHA1

        e8b0679a2dd423c73be8aed5fb965076fc4f0157

        SHA256

        ebd4f434d753208d86b06ea7ff1be5b43ea60c9309dd0592e96747638fba308e

        SHA512

        eb829652726c3dd3aac4ccfde9f7ee42a8c83a409bbacb8c87b39561dcfc005af0b34c5b2510a47d6a49a689936375126dcf0d43008de5f0d432b928244b5702

      • C:\Users\Admin\AppData\Local\Temp\7zSA0F8.tmp\xUmBYHgE@OOO.com\install.rdf
        Filesize

        598B

        MD5

        d1425a8235434250db3343a93c933795

        SHA1

        f6803cb8160842cf14386ebf5b8cb42297839dd2

        SHA256

        19b37702d4e2b6d74ccb7cdc5f59f3ce20a86903d4ae1c0d16f11d0b061d3554

        SHA512

        51904d329017acfcb7c0270285075bbe042399e069d4c5adfb2bc79630a48cfb9b4f4180cadde8ff9c650c0948b762828ca0390a5253f0a5425cbbf98b8b850b

      • memory/2072-132-0x0000000000000000-mapping.dmp