Analysis

  • max time kernel
    202s
  • max time network
    216s
  • 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 19:30

General

  • Target

    c65b029c65b8e4d148a7b30942b046b71c68f0b23773bf2ca9cf7a175367bf03.exe

  • Size

    931KB

  • MD5

    52104f43e1e9c8aaaf35257ffc6c5fe8

  • SHA1

    56aedcb27296a595012be0238826f8588beefc86

  • SHA256

    c65b029c65b8e4d148a7b30942b046b71c68f0b23773bf2ca9cf7a175367bf03

  • SHA512

    817775cd8a3889fa874195e756271325f06822d44464b2226e5b93b6be9119457dd82ead683a7db5ea4023894cb3d870a8d786ada8823b623e281327f430c399

  • SSDEEP

    24576:h1OYdaORCZ/iWCvu/2sWsJA/jlt+DHhs5:h1Os3CpYO/dJJDHhs5

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\c65b029c65b8e4d148a7b30942b046b71c68f0b23773bf2ca9cf7a175367bf03.exe
    "C:\Users\Admin\AppData\Local\Temp\c65b029c65b8e4d148a7b30942b046b71c68f0b23773bf2ca9cf7a175367bf03.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1220
    • C:\Users\Admin\AppData\Local\Temp\7zS55A2.tmp\Yzw0o10kn7kFnl7.exe
      .\Yzw0o10kn7kFnl7.exe
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1152
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
    1⤵
      PID:5040
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
      1⤵
        PID:2476

      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\7zS55A2.tmp\EScPSOjm7r@m.edu\bootstrap.js
        Filesize

        2KB

        MD5

        df13f711e20e9c80171846d4f2f7ae06

        SHA1

        56d29cda58427efe0e21d3880d39eb1b0ef60bee

        SHA256

        6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

        SHA512

        6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

      • C:\Users\Admin\AppData\Local\Temp\7zS55A2.tmp\EScPSOjm7r@m.edu\chrome.manifest
        Filesize

        35B

        MD5

        2839699a0c0c6ec150ffcf3a75892703

        SHA1

        41303bdce6319f1341895b1c35ca2874c796a5c0

        SHA256

        75341b942c639d1f87011f64fa62f86a13132e18f3ecf5cad1637e33314bf822

        SHA512

        b5d8089f70f9cafc47dff39ceba2a7c055970d123426a1d2f1d0ee10edc4622197c9f726047e053d7f112c38e63229cddf272d5629bd3a6ac7d371dbc12da284

      • C:\Users\Admin\AppData\Local\Temp\7zS55A2.tmp\EScPSOjm7r@m.edu\content\bg.js
        Filesize

        8KB

        MD5

        db971f2c99e186ddc2f196db375aa069

        SHA1

        c2671dcd45dbc84d614c5d1a55308cce9310c002

        SHA256

        1545e1f4930f71277f1ba52b3125bcb18b57867f5a543dfd0941c62d80558b62

        SHA512

        dc3de8ead4a8f67485b1d1efccb8f2837bf29188548a956eafbeff664119fd486bcd63dc7a2a26cfd59757a6c9f8bc8a917fb157e22620a19149c1087788299e

      • C:\Users\Admin\AppData\Local\Temp\7zS55A2.tmp\EScPSOjm7r@m.edu\install.rdf
        Filesize

        599B

        MD5

        f24c8cc9942da01c7c233a1cc70b67e3

        SHA1

        aed3190b2ae22e7588dc9d43def4345de524e298

        SHA256

        4e42bb67d70d4eba06d5cc3e32bd30b29abefd7cc5e57149fc9aa011a2684cf4

        SHA512

        4ac8ca27bde2c97faa46ba5822d1a5bac0696229acfb2c18f04c8cf37e84f762ff4e47fa45ad09899737fb8a61d7b34f7ef8d9c3935145023cca8e3369a8b286

      • C:\Users\Admin\AppData\Local\Temp\7zS55A2.tmp\Yzw0o10kn7kFnl7.dat
        Filesize

        1KB

        MD5

        96b0ae2ad57eb97ed571f3bc0075fc9e

        SHA1

        ec16505bb6629ed3e6fe79f859ea50c86884039b

        SHA256

        10a9f3f1c9f221d186bbaa5a6bd271fd4e55fa6496b94470f9742c89ff513919

        SHA512

        8fa7a9b36928a0c89e1fe905389e2b20b0a3aa8910f51bb6466459507d9a5ab47fd725b516285e10a7a65064cb2a58886a3734f161cecec10df553bb7169e42c

      • C:\Users\Admin\AppData\Local\Temp\7zS55A2.tmp\Yzw0o10kn7kFnl7.exe
        Filesize

        772KB

        MD5

        5ed7019dcd0008dbcd8e54017b8c7dd9

        SHA1

        7e4457da2ff06c2170bad636c9eb7c1bb436fd06

        SHA256

        7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

        SHA512

        10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

      • C:\Users\Admin\AppData\Local\Temp\7zS55A2.tmp\Yzw0o10kn7kFnl7.exe
        Filesize

        772KB

        MD5

        5ed7019dcd0008dbcd8e54017b8c7dd9

        SHA1

        7e4457da2ff06c2170bad636c9eb7c1bb436fd06

        SHA256

        7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

        SHA512

        10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

      • C:\Users\Admin\AppData\Local\Temp\7zS55A2.tmp\lkbkkhobjmncngamnhoidaenbmhcedha\background.html
        Filesize

        139B

        MD5

        5bfd98a17174bb204b410376a0e8532e

        SHA1

        40c53f9e786b08ea582008700afcf26de92d13c6

        SHA256

        7662e4ccdbfbe4968af2ea111e564fe5ae2c3cdd7802d5d7d42868b195084627

        SHA512

        0bdfae03586a85b6c4ff331b221f36265ef9d446c9f6fb7ba9d4149019cd832f187d590e7a266a2a84580e93fef82c239952945de91e3b9d5b5100011d75ffb1

      • C:\Users\Admin\AppData\Local\Temp\7zS55A2.tmp\lkbkkhobjmncngamnhoidaenbmhcedha\content.js
        Filesize

        144B

        MD5

        fca19198fd8af21016a8b1dec7980002

        SHA1

        fd01a47d14004e17a625efe66cc46a06c786cf40

        SHA256

        332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

        SHA512

        60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

      • C:\Users\Admin\AppData\Local\Temp\7zS55A2.tmp\lkbkkhobjmncngamnhoidaenbmhcedha\lsdb.js
        Filesize

        531B

        MD5

        36d98318ab2b3b2585a30984db328afb

        SHA1

        f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

        SHA256

        ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

        SHA512

        6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

      • C:\Users\Admin\AppData\Local\Temp\7zS55A2.tmp\lkbkkhobjmncngamnhoidaenbmhcedha\manifest.json
        Filesize

        498B

        MD5

        640199ea4621e34510de919f6a54436f

        SHA1

        dc65dbfad02bd2688030bd56ca1cab85917a9937

        SHA256

        e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

        SHA512

        d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

      • C:\Users\Admin\AppData\Local\Temp\7zS55A2.tmp\lkbkkhobjmncngamnhoidaenbmhcedha\xA.js
        Filesize

        6KB

        MD5

        8148c01c7cb0ec266bafd441c35d8b8b

        SHA1

        f6e8d135b7381657fae3a8195be30bcdd7d1c20d

        SHA256

        577b4310909982e579ad95bc65441d20f46c7eab10bc42f8de2c7d00adb56178

        SHA512

        bd6718963edd582f729a17725b169c37022043436276e4b56fe373123428f2f5197c79d30ae8ce256264ef2605d8e62c68f9aa8c23c70fb944d9a9f5c8d26819

      • memory/1152-132-0x0000000000000000-mapping.dmp