Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    03/02/2024, 16:03

General

  • Target

    8cc0676f832a381d0c3036158f80f47d.exe

  • Size

    313KB

  • MD5

    8cc0676f832a381d0c3036158f80f47d

  • SHA1

    19505fea008b8dcc8c2915305d1c1b9b158a71d0

  • SHA256

    5fc8ba9c1f838b3267fe4e6d3a6ffff4337da920da349f66253a792b2ffed817

  • SHA512

    45964f40e038264e7f0383798eb6071515138d8881228929e4986a8a9474c8976143d2d0e46816d3eab671d442037046cf639be4d1b75065d1844c282960291e

  • SSDEEP

    6144:91OgDPdkBAFZWjadD4svF2xJCOX87zfq9qx0mlJsB4hR5faw:91OgLdayPq9qx9lJsBG5fn

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 6 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.

  • Installs/modifies Browser Helper Object 2 TTPs 4 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • NSIS installer 4 IoCs
  • Modifies registry class 63 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8cc0676f832a381d0c3036158f80f47d.exe
    "C:\Users\Admin\AppData\Local\Temp\8cc0676f832a381d0c3036158f80f47d.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1672
    • C:\Users\Admin\AppData\Local\Temp\7zSD98.tmp\setup.exe
      .\setup.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      • System policy modification
      PID:1376

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\wxDfast\uninstall.exe

    Filesize

    46KB

    MD5

    2628f4240552cc3b2ba04ee51078ae0c

    SHA1

    5b0cca662149240d1fd4354beac1338e97e334ea

    SHA256

    03c965d0bd9827a978ef4080139533573aa800c9803599c0ce91da48506ad8f6

    SHA512

    6ecfcc97126373e82f1edab47020979d7706fc2be39ca792e8f30595133cd762cd4a65a246bee9180713e40e61efa373ecfb5eb72501ee18b38f13e32e61793b

  • C:\Users\Admin\AppData\Local\Temp\7zSD98.tmp\[email protected]\chrome.manifest

    Filesize

    114B

    MD5

    91866bb3530ed5920170d5193e4e78a8

    SHA1

    080224131c83595d372bf319e044ad869609e8ed

    SHA256

    cba16d85c86259ed8591babdf6510c66b4070535c4f579f3f9d85479e1babbd6

    SHA512

    5f0c7afad1a3a12fd0561c9bc1f0b4e7fd49835ac5d37c42cfac3d9803b0fee537432857351318d22ac08b93771716c249e4860b662eac4c8f7dc54940fa3b1d

  • C:\Users\Admin\AppData\Local\Temp\7zSD98.tmp\[email protected]\content\indexeddb.js

    Filesize

    1KB

    MD5

    2d4557830db6ef82f5d3352f205625e3

    SHA1

    1d8c014076263b13f685926295ecffedd550aa19

    SHA256

    d6434ce526398041ab6db9c24275a736e359d0dfb03037536fb9805cc04b2c91

    SHA512

    36dc5e8489bf284e9bb5a8c3c355b31e90a4c6694abbeb72f210e026f69a99cee1c13c507158f7e53f019d0fff386cb151043aa622dfb73243385f69762b6ecc

  • C:\Users\Admin\AppData\Local\Temp\7zSD98.tmp\[email protected]\content\jquery.js

    Filesize

    91KB

    MD5

    4bab8348a52d17428f684ad1ec3a427e

    SHA1

    56c912a8c8561070aee7b9808c5f3b2abec40063

    SHA256

    3739b485ac39b157caa066b883e4d9d3f74c50beff0b86cd8a24ce407b179a23

    SHA512

    a693069c66d8316d73a3c01ed9e6a4553c9b92d98b294f0e170cc9f9f5502c814255f5f92b93aeb07e0d6fe4613f9a1d511e1bfd965634f04e6cf18f191a7480

  • C:\Users\Admin\AppData\Local\Temp\7zSD98.tmp\[email protected]\content\jsext.js

    Filesize

    6KB

    MD5

    845c4b18a5f5bf8479fddf33f8e91038

    SHA1

    88b679a642da2c03a29a2522723db931bb35d02f

    SHA256

    f7751b1df5489568f84db2ad47c1d34dafef04e3464b9d5faac05123249853c8

    SHA512

    bfaccc70f311107b6f6a3512ad0a8353210e46d61d317c5e3a449dc05bb1f54200d6e86935f205c128822a901d73395c6e2c888ee7c2ef1aebe54329d0e5085b

  • C:\Users\Admin\AppData\Local\Temp\7zSD98.tmp\[email protected]\content\lsdb.js

    Filesize

    1KB

    MD5

    802983fa3435b0555bd10d42e7cd46e5

    SHA1

    d20591fdd09e17329c799dd61c1664eb02e74cdf

    SHA256

    e2c3477577a51aab2cb0155198c0aafea50f0a885306c38afbdda02e1890c49a

    SHA512

    4986a53736a63d4400f23806c4edeaf5bc26b53f536d4acb183ca69f1ab5edede845c62c97784d72e1f2aa4156af24873f91ebcfe9f16eca5555b88d336ee825

  • C:\Users\Admin\AppData\Local\Temp\7zSD98.tmp\[email protected]\content\prfdb.js

    Filesize

    1KB

    MD5

    1d58e3efe1c6ec537e0b4b9c6283fc32

    SHA1

    ad3f9dd9cd4f5a79f6bc6eefe76255e08f0ed3c7

    SHA256

    2ef6a05c231964ef9fa6b9a8e789cc5902ae636781dd28e55b222d20bf5e4262

    SHA512

    cbe7e9b840a2d042159e6bb06055ddf41a2babb806f6357dd6c101745ef5b7dd32ca05143bc591b9a35635006704d26219d6fa7f41c3a99d31d16845e311c8d9

  • C:\Users\Admin\AppData\Local\Temp\7zSD98.tmp\[email protected]\content\sqlite.js

    Filesize

    1KB

    MD5

    24fdd95170368651143a0e3b6f0758f2

    SHA1

    42ffbb05a5c7ee01ddd9443da38ec40d8df7ce4a

    SHA256

    8fe8852c4afead08e952fa940bdb15bf4e59e5826108785a000218a8ca6365e9

    SHA512

    6c20c3a6a54b28190fac6890a56f05ec07b79fdae0e5013756348a0d5598d3c817cdddd280809bf0383d816e58c467eda0245ce40884211428f25604f2dbc21c

  • C:\Users\Admin\AppData\Local\Temp\7zSD98.tmp\[email protected]\content\wx.xul

    Filesize

    228B

    MD5

    80942aef1df2b642bd74ae965fcb37ae

    SHA1

    f170fbc624246a3c3a94d7a7fc222d5abacdb397

    SHA256

    5759f46f577899c7086a350bff27300f1ebfb458dfa5c038f8478bafc5ce6da6

    SHA512

    e96473f55f52aca479b216bf5f7462864cf82fe169da5a3ffd56c2cf1cd2d214e0a8b855d21b01fd7baa8b6a7ae4099e0a2a886ac8d237e15dbc8c073788ec3f

  • C:\Users\Admin\AppData\Local\Temp\7zSD98.tmp\[email protected]\install.rdf

    Filesize

    677B

    MD5

    982bc38ee838ae53e66e2d63376e89c2

    SHA1

    9052c0b8aaa423e452d2ba81f5623a05ae11ec9c

    SHA256

    b4793bfaeee565f769c8c7b79fc450f76f1b582652fd7c44f55ac988eddf0f45

    SHA512

    42633209ee08c1066fdd1f86529ee707ad8432bbdce7cd4ca26b25ddc85d70602e1884be057d991e18053754ffb0dd4cd4f8bde8230c84a54b3ed5d255a7c394

  • C:\Users\Admin\AppData\Local\Temp\7zSD98.tmp\background.html

    Filesize

    5KB

    MD5

    2dcde150c5d01d5bbc161b0d8b9687d7

    SHA1

    bfc5c0e2e72d97c8a145db2eac4c30480ca62d1f

    SHA256

    a7bd0b3ad29af51dcc1cfc76d08568fca140b45761661ff454e3ea3b828605f6

    SHA512

    e6237edde0f646202429390162aa52bd89628dfdbc386d7836efaa26df6e1a49e35cc5b71ab9981ba2d4b1bed35de2eb95d562418d51d5d2b7766ff55a46ec62

  • C:\Users\Admin\AppData\Local\Temp\7zSD98.tmp\bhoclass.dll

    Filesize

    137KB

    MD5

    ac13c733379328f86568f6e514c2f7f8

    SHA1

    338901240fedcef4e3892fd4c723c89154f4de05

    SHA256

    7bf09b5c2a9b6348227199c1b3951b57907ca6a5c215a04ad8d5e43232f5b562

    SHA512

    35f69a82694a2ea4268a3dde7940af6bd1c87a32d93a72723464f90e4e818805be9e80872469d1cc29150a9aac872fc78613a584baa1327dfa8478c2de5672c4

  • C:\Users\Admin\AppData\Local\Temp\7zSD98.tmp\content.js

    Filesize

    386B

    MD5

    2b076d9d15cbcbd250a32c3a895b3a19

    SHA1

    42e48942b93ac025adf5e742b8eb176e68e9150f

    SHA256

    530e646918c1fc9eef79ffbc773eacf98cd1a9ca86bd0f95d30b890bc2625241

    SHA512

    698574b609a98c0c3e901ee501e84a0fb0de7f6c82a225f51745cd876d8608f3c39e20a48cb253f7e4d6cc5345576a497e1871d4ec314cd20a0c9e433c32890f

  • C:\Users\Admin\AppData\Local\Temp\7zSD98.tmp\jknejfamchbmekljeifgmiiopojkmnfi.crx

    Filesize

    37KB

    MD5

    070a415ae351acc58b92177b201869b9

    SHA1

    c2e3d2dee986bbdaafa3e00c6a7c5390243c0eaa

    SHA256

    c93a63fdcb15cb0fea29d68d8d2c8912030beaa0c61c138de37838785af87aad

    SHA512

    6a339523613edfb4e79ded748b760ad20de8975afed16c6c9f8df35324b18e0c5d2024a9e1a4d3d9cfebf48b8e5cdfcd35f280c039b94bdff697469da9deda32

  • C:\Users\Admin\AppData\Local\Temp\7zSD98.tmp\settings.ini

    Filesize

    599B

    MD5

    8950d5882fd4c3e0f3386f7972b1a18e

    SHA1

    3a6fe56100b51739e9d816fd38361fe953abb77f

    SHA256

    27cae1dc80e884e7de2aa8bb3796a91616f62618324b08f556cefae409f32bbc

    SHA512

    a0399be0b4a59bcad29401ca8be371a0cef058aabda94611cf7a9e5ddfcd3ecb70f5d8f5f016e185026dd2e20893850034d9b1c6c275c6278fc65f2167600327

  • \Users\Admin\AppData\Local\Temp\7zSD98.tmp\setup.exe

    Filesize

    61KB

    MD5

    201d2311011ffdf6c762fd46cdeb52ab

    SHA1

    65c474ca42a337745e288be0e21f43ceaafd5efe

    SHA256

    15c0e4fd6091cda70fa308ea5ee956996f6eb23d24e44700bd5c74bf111cf2aa

    SHA512

    235d70114f391d9e7a319d94bdfc49665d147723379de7487ef76cfc968f7faa3191153b32ba1ab466caeeeeef4852381529a168c3acca9a8d5a26dfe0436f6b