Analysis

  • max time kernel
    126s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/11/2022, 09:07

General

  • Target

    4d8cf7fbc02c5b9870f99e01d5f4772f4da27a119b7666750a4b3b57f17ffbc2.exe

  • Size

    924KB

  • MD5

    549ae5da0692412f969750c3a1649306

  • SHA1

    3cf7b223500b52ade8a3f5c3049f7bd720c4a480

  • SHA256

    4d8cf7fbc02c5b9870f99e01d5f4772f4da27a119b7666750a4b3b57f17ffbc2

  • SHA512

    547664babe32d85b4fdc71287436a17f1eb7df0c5b74c58ed5ea1355cd7c34628706008d48d9cbb4df4693ea6dddb064ce88acd0ca48e4d1365f69856e860ab9

  • SSDEEP

    24576:h1OYdaOyfC5S9N6w6EVX1Lh+mN5Z4E8IlIyYuXM:h1OsjMN6wdBh5N5Z4E8PuXM

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\4d8cf7fbc02c5b9870f99e01d5f4772f4da27a119b7666750a4b3b57f17ffbc2.exe
    "C:\Users\Admin\AppData\Local\Temp\4d8cf7fbc02c5b9870f99e01d5f4772f4da27a119b7666750a4b3b57f17ffbc2.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3564
    • C:\Users\Admin\AppData\Local\Temp\7zSCD96.tmp\hLbg18SBnsqd5jz.exe
      .\hLbg18SBnsqd5jz.exe
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4964
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
    1⤵
      PID:2648
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
      1⤵
        PID:788

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\7zSCD96.tmp\[email protected]\bootstrap.js

        Filesize

        2KB

        MD5

        df13f711e20e9c80171846d4f2f7ae06

        SHA1

        56d29cda58427efe0e21d3880d39eb1b0ef60bee

        SHA256

        6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

        SHA512

        6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

      • C:\Users\Admin\AppData\Local\Temp\7zSCD96.tmp\[email protected]\chrome.manifest

        Filesize

        35B

        MD5

        d8136d6fdc777f1109ea29ca33295461

        SHA1

        0678575533038e86756bcdb35da40101368176dd

        SHA256

        283e0649558818252946e2a0dee8ccd7ffecf177714d15d6d15868138cf31f73

        SHA512

        1a79e468e2c4f660f97ee38f3798de8c815f8b359b2e04c87c59aa823f00f1ee1e05ef86a5301cac635e6adf30f526789efbbb07eea3d9f0f4facd4dc8850348

      • C:\Users\Admin\AppData\Local\Temp\7zSCD96.tmp\[email protected]\content\bg.js

        Filesize

        8KB

        MD5

        2a3defb07de2a29d262496e9518481e9

        SHA1

        e8c2a427f2ae56d94acc95a06ea20347bc2cacac

        SHA256

        d2030b8f635779b903d680c9924ad3d983a591a8e59d319eb3cd0c13d165314c

        SHA512

        afd2152ec171d96248586a352d6b9138b16881b9701f3bb47cc5e8ca637462c31c8004d0c2844e398af1e2e1fa248c86c210e89e28480289ee0d7263c9f1cc38

      • C:\Users\Admin\AppData\Local\Temp\7zSCD96.tmp\[email protected]\install.rdf

        Filesize

        591B

        MD5

        d88373f744d3cf415ec620ef9521c90e

        SHA1

        abf62435c2d0b021b95e01310fd5592ef0f03589

        SHA256

        ce713d10f74df94c6a5b5d3363ea65cfc2aeb3e6a01b95172b08774bb549c498

        SHA512

        2d86b34576512c30295fc2931db5610ee3342d1346364fdefa84c8c3e1ff6ee182ac89d060b6e2bc4d4fc05c9e4db5b8e153b817c65ee8c0a422bd1dd75b7458

      • C:\Users\Admin\AppData\Local\Temp\7zSCD96.tmp\hLbg18SBnsqd5jz.dat

        Filesize

        1KB

        MD5

        e7b5000bde6a36ff6c588892e8397246

        SHA1

        e3fa450e09477ea09f4d597177e3a7526d6e8dc2

        SHA256

        e8ce7f1183c5061f3fd6ab6a8f6d2aa62c8f49052431c78349a6d3a6a281b979

        SHA512

        fce2e07bbed65a739acc46fe99df468981ec14b186533d8e03cd732abcaa1176931daaacf16ec53461adf5514078b6a907e2574d443e1ae98827596c4912a921

      • C:\Users\Admin\AppData\Local\Temp\7zSCD96.tmp\hLbg18SBnsqd5jz.exe

        Filesize

        765KB

        MD5

        21c7e6ab35acdb8d15ac0590900c5206

        SHA1

        bd696ab0d1806c5492b4444d96fe272f217f4058

        SHA256

        314c44ac357c692c66516271e02fe280e9fc6d030a7172f2379c81fa383d44ec

        SHA512

        775636d7ec02398e32463ceaa7e1b18fe20689ed75d9c731b37b83f4c3ce828d2d2274d2f75d4f2c25133775969864467eff69b5fbf40e286fbfca6bdee1d3dd

      • C:\Users\Admin\AppData\Local\Temp\7zSCD96.tmp\hLbg18SBnsqd5jz.exe

        Filesize

        765KB

        MD5

        21c7e6ab35acdb8d15ac0590900c5206

        SHA1

        bd696ab0d1806c5492b4444d96fe272f217f4058

        SHA256

        314c44ac357c692c66516271e02fe280e9fc6d030a7172f2379c81fa383d44ec

        SHA512

        775636d7ec02398e32463ceaa7e1b18fe20689ed75d9c731b37b83f4c3ce828d2d2274d2f75d4f2c25133775969864467eff69b5fbf40e286fbfca6bdee1d3dd

      • C:\Users\Admin\AppData\Local\Temp\7zSCD96.tmp\pfbjkpchhejcfajolooigglfjcpnefoo\background.html

        Filesize

        139B

        MD5

        db05d53e18a08162afe1e799e4fdc17a

        SHA1

        98221d534e054c9db25ea1f9fc7ef2240e9f43cc

        SHA256

        5c1b4dd840cd5e50abbcfc3fe27bc2cbd6f8fb97f82d54b09cf6369047bc2c23

        SHA512

        91437fff3e925f0946988c8ecdea919cb138f08fe752369dff51684d3ca98b25e8a477ea412aa11e9083f426b55c2468c39f29436b9b6d1bec5b99d1c7820847

      • C:\Users\Admin\AppData\Local\Temp\7zSCD96.tmp\pfbjkpchhejcfajolooigglfjcpnefoo\content.js

        Filesize

        144B

        MD5

        fca19198fd8af21016a8b1dec7980002

        SHA1

        fd01a47d14004e17a625efe66cc46a06c786cf40

        SHA256

        332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

        SHA512

        60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

      • C:\Users\Admin\AppData\Local\Temp\7zSCD96.tmp\pfbjkpchhejcfajolooigglfjcpnefoo\lsdb.js

        Filesize

        531B

        MD5

        36d98318ab2b3b2585a30984db328afb

        SHA1

        f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

        SHA256

        ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

        SHA512

        6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

      • C:\Users\Admin\AppData\Local\Temp\7zSCD96.tmp\pfbjkpchhejcfajolooigglfjcpnefoo\mZ.js

        Filesize

        6KB

        MD5

        dcfd78dcda93f3935337baf6efd17204

        SHA1

        60291a4cd50bfdf81327a468b97a1d93aac1a81f

        SHA256

        f652d05a489464690bdd224e504952f72d336218ee9cd5b723dd8a98c63a47a1

        SHA512

        b5258f5f77badc7bc7eeda9967e1090f0f5b6d961b0b89d67116a7f9d30f01c6ea74ce509f87f3cf8bb92788febd757c3d9a41afdc27667d013fdd2797634906

      • C:\Users\Admin\AppData\Local\Temp\7zSCD96.tmp\pfbjkpchhejcfajolooigglfjcpnefoo\manifest.json

        Filesize

        498B

        MD5

        640199ea4621e34510de919f6a54436f

        SHA1

        dc65dbfad02bd2688030bd56ca1cab85917a9937

        SHA256

        e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

        SHA512

        d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a