Analysis

  • max time kernel
    134s
  • max time network
    154s
  • 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 21:09

General

  • Target

    a77ab4e889c1170a115ece59ecf4ba36557b6dbd5882a72a91f407a8b9c65103.exe

  • Size

    932KB

  • MD5

    5e75f2f72e2ff17040847e93a73216aa

  • SHA1

    985973793293bb1f0046831413fa66c7813bea99

  • SHA256

    a77ab4e889c1170a115ece59ecf4ba36557b6dbd5882a72a91f407a8b9c65103

  • SHA512

    66daf86ff829af9ba77688ff9c0086c0dabd83a3f95c6ce6868c19c3e456c6a510862e9de35fce52e4f364acc971aec97d64cff6889b5cd759d31f87a8a77c94

  • SSDEEP

    24576:h1OYdaOACZ/iWCvu/2sWsJA/jlt+DHhsi:h1OsqCpYO/dJJDHhsi

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\a77ab4e889c1170a115ece59ecf4ba36557b6dbd5882a72a91f407a8b9c65103.exe
    "C:\Users\Admin\AppData\Local\Temp\a77ab4e889c1170a115ece59ecf4ba36557b6dbd5882a72a91f407a8b9c65103.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:392
    • C:\Users\Admin\AppData\Local\Temp\7zSEAA3.tmp\CvPvVBtFi5cEztg.exe
      .\CvPvVBtFi5cEztg.exe
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2376
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
    1⤵
      PID:4908
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
      1⤵
        PID:4816

      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\7zSEAA3.tmp\[email protected]\bootstrap.js
        Filesize

        2KB

        MD5

        df13f711e20e9c80171846d4f2f7ae06

        SHA1

        56d29cda58427efe0e21d3880d39eb1b0ef60bee

        SHA256

        6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

        SHA512

        6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

      • C:\Users\Admin\AppData\Local\Temp\7zSEAA3.tmp\[email protected]\chrome.manifest
        Filesize

        35B

        MD5

        1f87a579a6de93bd05695cc036ee7cf8

        SHA1

        8450d093e2eceb7c40ef690a4895655227728d65

        SHA256

        35f0395a89b663947cfde491896bbf04984cc0ce9304fa18e5adb455592991ce

        SHA512

        b4161d999482e22b5aeccc6abce6e5af73071ef7f16c3c431d269ba1e59395d0983165b874c3bdbf61e98b7ac51ba5c76bbcb72f609121313e652ee49f78cdf8

      • C:\Users\Admin\AppData\Local\Temp\7zSEAA3.tmp\[email protected]\content\bg.js
        Filesize

        9KB

        MD5

        e5c221e76e888a690b837a7e53f85865

        SHA1

        0cdacec06e4f634643c78fd56f08c69cc4887490

        SHA256

        9da4cbc7ea00a779f9a6c2552a995a486e7bb0b7577cba5ed16beb5f1a2fd2e7

        SHA512

        30f0ad4e5e65203163ee300d8a8d3912e59353d7c8d2c99883f3f123a85c9729f9abee4e81408f402dda3e7a9f9d0b5b3666dd517f37b6f4a0812a920f1f86aa

      • C:\Users\Admin\AppData\Local\Temp\7zSEAA3.tmp\[email protected]\install.rdf
        Filesize

        596B

        MD5

        0929438a1df52d827340c0cb074ea220

        SHA1

        10d16865ac18e9fc027ef2934375789475c61d26

        SHA256

        aba1b064836edb57a45dab53c294c4c1163544f0c8e217dfe947a41255682149

        SHA512

        6a614e90a7bed9d4db5a76be459427359d2af541187c77cfd2d6746fc9248553b7ec4378961331f5019e943795028419673323d4d78ed5d45a9d4894cd0ba885

      • C:\Users\Admin\AppData\Local\Temp\7zSEAA3.tmp\CvPvVBtFi5cEztg.dat
        Filesize

        1KB

        MD5

        396c70ba30cf8a7b7180fb0937691b49

        SHA1

        84f8acf6e2fe3ddc8f25012b86c28badfe24ce1f

        SHA256

        3a89e70c3e9912b5a1653b5f5839636871671694535e152bcd4ee677e07d4eb0

        SHA512

        46fd3c3f2f553e7697474fab73c4664bb40fbf02443e2c49ea5fecae931e666a42981d9c92fb6f567421599aafa34d2ce174642ded1a6f1b4c2841fb2d25223b

      • C:\Users\Admin\AppData\Local\Temp\7zSEAA3.tmp\CvPvVBtFi5cEztg.exe
        Filesize

        772KB

        MD5

        5ed7019dcd0008dbcd8e54017b8c7dd9

        SHA1

        7e4457da2ff06c2170bad636c9eb7c1bb436fd06

        SHA256

        7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

        SHA512

        10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

      • C:\Users\Admin\AppData\Local\Temp\7zSEAA3.tmp\CvPvVBtFi5cEztg.exe
        Filesize

        772KB

        MD5

        5ed7019dcd0008dbcd8e54017b8c7dd9

        SHA1

        7e4457da2ff06c2170bad636c9eb7c1bb436fd06

        SHA256

        7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

        SHA512

        10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

      • C:\Users\Admin\AppData\Local\Temp\7zSEAA3.tmp\hcgbnnhknlekddjbnknbdohpieffagdj\Gv.js
        Filesize

        6KB

        MD5

        ac7c0f51ef35559329d19ff6f3d231ab

        SHA1

        b273f1e217ea17009ae4782bdc96c185f8b448ea

        SHA256

        a5ac2bf230c6e59b03f833fee202a10b590485f0a912f530c74c18983f269e63

        SHA512

        18a944c627e4663c98837ab2b3780d7683807f5bcd6c33a1bcd7f03a52138096dc802665b1b6a4bc3d1e71ec4c43b8933bc00317ae40725f18d9e87d967d0d35

      • C:\Users\Admin\AppData\Local\Temp\7zSEAA3.tmp\hcgbnnhknlekddjbnknbdohpieffagdj\background.html
        Filesize

        139B

        MD5

        43d59a32e9b6d357212f72b57dd748d2

        SHA1

        708d257db74e935925674cf8536135b1b9f7c13c

        SHA256

        7de1e68c74671352f633690ecf5727f793095cd62e6b91829ceb3147e1684eb4

        SHA512

        3e795e17317e900671f175fbde12cb537983d3deb12905c55b182c73471129221fdb4dde34756d5f514de6694bae5060b3c8e15be002a22c4f186a0e65ea7cb9

      • C:\Users\Admin\AppData\Local\Temp\7zSEAA3.tmp\hcgbnnhknlekddjbnknbdohpieffagdj\content.js
        Filesize

        144B

        MD5

        fca19198fd8af21016a8b1dec7980002

        SHA1

        fd01a47d14004e17a625efe66cc46a06c786cf40

        SHA256

        332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

        SHA512

        60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

      • C:\Users\Admin\AppData\Local\Temp\7zSEAA3.tmp\hcgbnnhknlekddjbnknbdohpieffagdj\lsdb.js
        Filesize

        531B

        MD5

        36d98318ab2b3b2585a30984db328afb

        SHA1

        f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

        SHA256

        ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

        SHA512

        6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

      • C:\Users\Admin\AppData\Local\Temp\7zSEAA3.tmp\hcgbnnhknlekddjbnknbdohpieffagdj\manifest.json
        Filesize

        498B

        MD5

        640199ea4621e34510de919f6a54436f

        SHA1

        dc65dbfad02bd2688030bd56ca1cab85917a9937

        SHA256

        e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

        SHA512

        d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

      • memory/2376-132-0x0000000000000000-mapping.dmp