Analysis

  • max time kernel
    147s
  • 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 08:00

General

  • Target

    b51531f8b423a5eb75b469619d019adef81f4d8b0ba23c001643a794991dfe10.exe

  • Size

    931KB

  • MD5

    737923400bccf84afa77d1a88a076012

  • SHA1

    bfd07326732e7d72c08eb9375002edf5848652d1

  • SHA256

    b51531f8b423a5eb75b469619d019adef81f4d8b0ba23c001643a794991dfe10

  • SHA512

    9bb07db4848020699190b857826a9fb5eeab32785e060f5b5794e102b049c2f827b423840f48060af1bd5049fc4db223240817f1567f20b8e510b6314a8878fe

  • SSDEEP

    24576:h1OYdaO2MWSUbvCXEQKSqGv8VWumF6RmcJozyPvpfC:h1OsQMWyUQ+GUVFIcHPvpfC

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\b51531f8b423a5eb75b469619d019adef81f4d8b0ba23c001643a794991dfe10.exe
    "C:\Users\Admin\AppData\Local\Temp\b51531f8b423a5eb75b469619d019adef81f4d8b0ba23c001643a794991dfe10.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2280
    • C:\Users\Admin\AppData\Local\Temp\7zS8BBA.tmp\TamKpIF8Lazl6Cp.exe
      .\TamKpIF8Lazl6Cp.exe
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2728
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
    1⤵
      PID:4584
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
      1⤵
        PID:4820

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\7zS8BBA.tmp\TamKpIF8Lazl6Cp.dat

        Filesize

        1KB

        MD5

        beec8f52b3c39709d5b2d34630a4107b

        SHA1

        3a5d555e6bf957a8f0a1d2f5381b687889142912

        SHA256

        09f0f475e96e6c268ad2b7ae38c25c008f2645958e6c98cb2defe33cbff01877

        SHA512

        ca94bbb69299f57a8ff6c4ff40bec76b0e12f1ef801a9f2df6773f5b9a5d6c8677dd2694436213c5563fda26ff1deac5a5fc5a02e5438bbce6cb4b8cb18cb95a

      • C:\Users\Admin\AppData\Local\Temp\7zS8BBA.tmp\TamKpIF8Lazl6Cp.exe

        Filesize

        771KB

        MD5

        e8ef8ed232808bfa240b33b376bb74a8

        SHA1

        b7ebfbda42fb24594210d3f97921c5b33b88585d

        SHA256

        a4265c00fc8eb9371329ddbc19e760b433ea9f4ab4e16d4d95682031940ad6c9

        SHA512

        24a4de7ba07c5712a94cb8334764b6d23799dc4bb7153acf4eb7289ec4577b79bc9bf4adf6e0c65b13441d7783314ec4d9a13a61cf447124c43c44ff55fa8ef8

      • C:\Users\Admin\AppData\Local\Temp\7zS8BBA.tmp\TamKpIF8Lazl6Cp.exe

        Filesize

        771KB

        MD5

        e8ef8ed232808bfa240b33b376bb74a8

        SHA1

        b7ebfbda42fb24594210d3f97921c5b33b88585d

        SHA256

        a4265c00fc8eb9371329ddbc19e760b433ea9f4ab4e16d4d95682031940ad6c9

        SHA512

        24a4de7ba07c5712a94cb8334764b6d23799dc4bb7153acf4eb7289ec4577b79bc9bf4adf6e0c65b13441d7783314ec4d9a13a61cf447124c43c44ff55fa8ef8

      • C:\Users\Admin\AppData\Local\Temp\7zS8BBA.tmp\[email protected]\bootstrap.js

        Filesize

        2KB

        MD5

        df13f711e20e9c80171846d4f2f7ae06

        SHA1

        56d29cda58427efe0e21d3880d39eb1b0ef60bee

        SHA256

        6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

        SHA512

        6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

      • C:\Users\Admin\AppData\Local\Temp\7zS8BBA.tmp\[email protected]\chrome.manifest

        Filesize

        35B

        MD5

        76df6a260a9e33d73d159d1831e1ac96

        SHA1

        8534d89b97a050373c4412d927457cc9594d0b7b

        SHA256

        cfa46bd005a97edc5f2fd60f0d9dfdca0585ed9deba3eb2b249b80048a9c141b

        SHA512

        c3600045c22f87b04f810795760a9986219505b2d862b3bbb6bca0e8c4b10c9418d922916abede1e82aa5447a4579ebc3cdad4ccec2ae42963f838c57d55b9d6

      • C:\Users\Admin\AppData\Local\Temp\7zS8BBA.tmp\[email protected]\content\bg.js

        Filesize

        9KB

        MD5

        08a08466b0eccdbd4c1700cbe85f76ab

        SHA1

        dab611c93c8c36d2c34e83ab73b6006479a07c93

        SHA256

        5eaf42bbe794176369da1868e46ed3bec268ab8807cd15bccf7eb80150da225b

        SHA512

        2cb96ced627b549d50dec3464e3433a9f1d4d37f6f0c52cd2eb997bc0f09005a61cce3e1d2c6aa8351e4a6e981f862553e4554a0c7e07ae74c2d45218b9d2256

      • C:\Users\Admin\AppData\Local\Temp\7zS8BBA.tmp\[email protected]\install.rdf

        Filesize

        594B

        MD5

        aee4b52d453a8801c9aea49b6c654a8c

        SHA1

        9083e3d10e1942b10b2f2d3d4d637896ee17b939

        SHA256

        98528afd77e9839266225971c441ef5ae21980b9f4687117120baf01dfff8e70

        SHA512

        7ea01da84e0e89c4595e59751a01577e0f8b14eb88094e6793002e54a73f38d80b113ddc3015cb347dc28257ae3947f852cc78f741af87794d16131d045990c0

      • C:\Users\Admin\AppData\Local\Temp\7zS8BBA.tmp\pcnmckgbmmoepmbjddlaoogmgcapifnf\background.html

        Filesize

        143B

        MD5

        d828aadf082dadf4f2fd5cd30094a0ed

        SHA1

        1b8d8bfe863458b968cad6cfdedffc35b1ea3d9d

        SHA256

        fd99605d241aae15394222c53fec759d13c93443a9d2f2b97729efc69a1aac7e

        SHA512

        5d181b82d47e5dda441058c53dc92073464784385179dbaefff950843ae184751217be4dca99bd041bc3fcd8b4aa1e35213abbd33d4481048ea44bc228091e5c

      • C:\Users\Admin\AppData\Local\Temp\7zS8BBA.tmp\pcnmckgbmmoepmbjddlaoogmgcapifnf\content.js

        Filesize

        144B

        MD5

        fca19198fd8af21016a8b1dec7980002

        SHA1

        fd01a47d14004e17a625efe66cc46a06c786cf40

        SHA256

        332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

        SHA512

        60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

      • C:\Users\Admin\AppData\Local\Temp\7zS8BBA.tmp\pcnmckgbmmoepmbjddlaoogmgcapifnf\lsdb.js

        Filesize

        531B

        MD5

        36d98318ab2b3b2585a30984db328afb

        SHA1

        f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

        SHA256

        ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

        SHA512

        6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

      • C:\Users\Admin\AppData\Local\Temp\7zS8BBA.tmp\pcnmckgbmmoepmbjddlaoogmgcapifnf\manifest.json

        Filesize

        498B

        MD5

        640199ea4621e34510de919f6a54436f

        SHA1

        dc65dbfad02bd2688030bd56ca1cab85917a9937

        SHA256

        e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

        SHA512

        d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

      • C:\Users\Admin\AppData\Local\Temp\7zS8BBA.tmp\pcnmckgbmmoepmbjddlaoogmgcapifnf\zgREjw.js

        Filesize

        6KB

        MD5

        1b0898c5cb9a4dfaabdc97ceb15a38a3

        SHA1

        b6994887203daef8c687dcf953ea1947e01bc4ff

        SHA256

        2d929d0d41d587a6dd1cb81d4af76ba4afc1d448b04fb80e7a4aff9b6d1ec66b

        SHA512

        f3c43fabb6e2445f71506b94f310dc186ce3521dbd42dcb0f39f21076e1b66f616094eee8fc3893a1bcaf15a39dd41f38208f1c23816adabd6dc6cd771765b51

      • memory/2728-132-0x0000000000000000-mapping.dmp