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Analysis

  • max time kernel
    159s
  • max time network
    170s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/11/2022, 14:39

General

  • Target

    5c3f7e9a62a283ff743139d8746c3e8e03e4884bc67b4d0a366a7215e3aeb4a4.exe

  • Size

    2.1MB

  • MD5

    ed579ca38cb061a11905903057bff483

  • SHA1

    5aac612824fe7389b389c8584c1be4893df5cf4a

  • SHA256

    5c3f7e9a62a283ff743139d8746c3e8e03e4884bc67b4d0a366a7215e3aeb4a4

  • SHA512

    d110ada4055741ad2718eb3798f8fd12375b6ddb9af149fcc0a02bf42e4442811b8698dbef8145c179d17e2b98324b0e35bd908cbb8976065b971f24a7943674

  • SSDEEP

    49152:h1OsQyuyoY0IKAVWQrQSM5eeHY1h2PlSUQ8Pcim:h1OxgoP9oM5LFe

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 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
  • Installs/modifies Browser Helper Object 2 TTPs 9 IoCs

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

  • Drops file in Program Files directory 8 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5c3f7e9a62a283ff743139d8746c3e8e03e4884bc67b4d0a366a7215e3aeb4a4.exe
    "C:\Users\Admin\AppData\Local\Temp\5c3f7e9a62a283ff743139d8746c3e8e03e4884bc67b4d0a366a7215e3aeb4a4.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3420
    • C:\Users\Admin\AppData\Local\Temp\7zSB49F.tmp\HfyT8zJsLDcJsA8.exe
      .\HfyT8zJsLDcJsA8.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops Chrome extension
      • Installs/modifies Browser Helper Object
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:4752
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /s "C:\Program Files (x86)\GoSavee\16IWwDzgi49dBj.x64.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:3440
        • C:\Windows\system32\regsvr32.exe
          /s "C:\Program Files (x86)\GoSavee\16IWwDzgi49dBj.x64.dll"
          4⤵
          • Loads dropped DLL
          • Installs/modifies Browser Helper Object
          PID:4128

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\GoSavee\16IWwDzgi49dBj.dat

    Filesize

    6KB

    MD5

    71df68b363f5e8407eeda1a0e704a4dd

    SHA1

    ddf8ced4a60aa59b2218fbcdb97811a4d9c6c211

    SHA256

    f14db66976b26301d868f887e0ffcd75543181c0187d99d491078e8f169c0274

    SHA512

    869cabd1d8191e5c34878d3ce22772165cbc41e1d4d3d8a40bf092ae23c3c83cc889a2b8052791ca0e4193cee854e1d8a068053d748c643b20c7a7a5b3ffa527

  • C:\Program Files (x86)\GoSavee\16IWwDzgi49dBj.dll

    Filesize

    616KB

    MD5

    ac2bb9f430ee63577e2e658e576fbaa3

    SHA1

    661dad0abec24f1cd8400e09fd00881d9dd66b02

    SHA256

    59bb2ef1513927977be1a94a9e7687a92fd078ad343d481ba40edbfbe85e8812

    SHA512

    f0c2e9c780bcf67147a7c4803ffb292d6b2c4bf0a03f65273a86c6da85c0b5cd1d24d48726d95ed1e5c6b5662b7fcaba65b47bf1e7d906d97c263d2c92285769

  • C:\Program Files (x86)\GoSavee\16IWwDzgi49dBj.x64.dll

    Filesize

    698KB

    MD5

    48aea480f88ba159a05da8c3e1b938e5

    SHA1

    56cce3368fb512d03e4ed502c1ae1b4a64a54ce9

    SHA256

    07fd15650c7ea9d453c9a86255445d32ba18b4f74876a1f099a473ff988f7ebf

    SHA512

    448dfc81b3148be7031e6ebfc813c148c39a4ae86692ace9d0c98bf2605aa5b76052cc6d4f44e3103452fa26eb60a67a28dd3ce5d579e81277421cefdf9c9be5

  • C:\Program Files (x86)\GoSavee\16IWwDzgi49dBj.x64.dll

    Filesize

    698KB

    MD5

    48aea480f88ba159a05da8c3e1b938e5

    SHA1

    56cce3368fb512d03e4ed502c1ae1b4a64a54ce9

    SHA256

    07fd15650c7ea9d453c9a86255445d32ba18b4f74876a1f099a473ff988f7ebf

    SHA512

    448dfc81b3148be7031e6ebfc813c148c39a4ae86692ace9d0c98bf2605aa5b76052cc6d4f44e3103452fa26eb60a67a28dd3ce5d579e81277421cefdf9c9be5

  • C:\Program Files (x86)\GoSavee\16IWwDzgi49dBj.x64.dll

    Filesize

    698KB

    MD5

    48aea480f88ba159a05da8c3e1b938e5

    SHA1

    56cce3368fb512d03e4ed502c1ae1b4a64a54ce9

    SHA256

    07fd15650c7ea9d453c9a86255445d32ba18b4f74876a1f099a473ff988f7ebf

    SHA512

    448dfc81b3148be7031e6ebfc813c148c39a4ae86692ace9d0c98bf2605aa5b76052cc6d4f44e3103452fa26eb60a67a28dd3ce5d579e81277421cefdf9c9be5

  • C:\Users\Admin\AppData\Local\Temp\7zSB49F.tmp\16IWwDzgi49dBj.dll

    Filesize

    616KB

    MD5

    ac2bb9f430ee63577e2e658e576fbaa3

    SHA1

    661dad0abec24f1cd8400e09fd00881d9dd66b02

    SHA256

    59bb2ef1513927977be1a94a9e7687a92fd078ad343d481ba40edbfbe85e8812

    SHA512

    f0c2e9c780bcf67147a7c4803ffb292d6b2c4bf0a03f65273a86c6da85c0b5cd1d24d48726d95ed1e5c6b5662b7fcaba65b47bf1e7d906d97c263d2c92285769

  • C:\Users\Admin\AppData\Local\Temp\7zSB49F.tmp\16IWwDzgi49dBj.tlb

    Filesize

    3KB

    MD5

    52acf269931e562ad7445f7a803bd5e3

    SHA1

    ef86bb5f96b2bba4c85a73efef5df4a08ab99031

    SHA256

    bc29a9426767cb54f6f11ea9d457613f858aa0d0e33137ab8ad1f53ff601d8f2

    SHA512

    545cc433a340e0b6ef70c92ab7854058222bb76385fb4027f1cc174a0baececb48c8e04ea83e9387d2c664505d4dd3799d41512e06c3ec5b4e32d0bf4a84668b

  • C:\Users\Admin\AppData\Local\Temp\7zSB49F.tmp\16IWwDzgi49dBj.x64.dll

    Filesize

    698KB

    MD5

    48aea480f88ba159a05da8c3e1b938e5

    SHA1

    56cce3368fb512d03e4ed502c1ae1b4a64a54ce9

    SHA256

    07fd15650c7ea9d453c9a86255445d32ba18b4f74876a1f099a473ff988f7ebf

    SHA512

    448dfc81b3148be7031e6ebfc813c148c39a4ae86692ace9d0c98bf2605aa5b76052cc6d4f44e3103452fa26eb60a67a28dd3ce5d579e81277421cefdf9c9be5

  • C:\Users\Admin\AppData\Local\Temp\7zSB49F.tmp\HfyT8zJsLDcJsA8.dat

    Filesize

    6KB

    MD5

    71df68b363f5e8407eeda1a0e704a4dd

    SHA1

    ddf8ced4a60aa59b2218fbcdb97811a4d9c6c211

    SHA256

    f14db66976b26301d868f887e0ffcd75543181c0187d99d491078e8f169c0274

    SHA512

    869cabd1d8191e5c34878d3ce22772165cbc41e1d4d3d8a40bf092ae23c3c83cc889a2b8052791ca0e4193cee854e1d8a068053d748c643b20c7a7a5b3ffa527

  • C:\Users\Admin\AppData\Local\Temp\7zSB49F.tmp\HfyT8zJsLDcJsA8.exe

    Filesize

    632KB

    MD5

    59ed6cd5a934e324d7ff694adb712b61

    SHA1

    ee41b1da1ca21a050e548b04bbf37c47f251fd10

    SHA256

    cb9b055b0e4049898db5c8d1df973692f7e57f57ad053fc9fec5372a294b8726

    SHA512

    04238927495ce1720202db05e90c1efc0c8d409e5255188fff51ee5589048d7b5c56f080fe7e5a1f45f4a7ca1c0d73fadbc34b8a268547f2f2bbd1c994ec2fd8

  • C:\Users\Admin\AppData\Local\Temp\7zSB49F.tmp\HfyT8zJsLDcJsA8.exe

    Filesize

    632KB

    MD5

    59ed6cd5a934e324d7ff694adb712b61

    SHA1

    ee41b1da1ca21a050e548b04bbf37c47f251fd10

    SHA256

    cb9b055b0e4049898db5c8d1df973692f7e57f57ad053fc9fec5372a294b8726

    SHA512

    04238927495ce1720202db05e90c1efc0c8d409e5255188fff51ee5589048d7b5c56f080fe7e5a1f45f4a7ca1c0d73fadbc34b8a268547f2f2bbd1c994ec2fd8

  • C:\Users\Admin\AppData\Local\Temp\7zSB49F.tmp\[email protected]\bootstrap.js

    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zSB49F.tmp\[email protected]\chrome.manifest

    Filesize

    35B

    MD5

    d07726b6d7fe1162695c234585bb1a5c

    SHA1

    eea695dccbccc37baf8dfe491152e583a8b5e163

    SHA256

    f4e3906ab3068a16de1123158800d64feebf03184b1def37a35f0f71385143f5

    SHA512

    e119e3fb6de2de19526655fc953c1c0d3c3e651efdae19e4d3361655a5df4f5b35f87bb2280b8ff634c0aa19fd85abddb26dad9e04b684d8d9c4235c531150d4

  • C:\Users\Admin\AppData\Local\Temp\7zSB49F.tmp\[email protected]\content\bg.js

    Filesize

    7KB

    MD5

    cf485e67d4205a4b8d917b9246f9d168

    SHA1

    2d738fcd2ba1580e27142288aa2396657e1d50f1

    SHA256

    5a0d279ba09cb12b4d89c0ed04f81e016b0299b202ed32d8a4e8b5edb3b7ee11

    SHA512

    d8b69e44583e3568ff88ddaa8740fbdf8da6fa8d5d21bf8e66fa5c569544d4b267efc475bec1e7bf68ebd546cf57223f3fba76adc1121b3d0dcedd71d7e8b945

  • C:\Users\Admin\AppData\Local\Temp\7zSB49F.tmp\[email protected]\install.rdf

    Filesize

    594B

    MD5

    8a8d1006ed754cbd21e0d2e97a1a59da

    SHA1

    420bbcd1b277dac654894c93d36a36230a317d3b

    SHA256

    c79b8ba005d780f1b8633108c3a102204515de22eaba1be8d91085aaa8caa38f

    SHA512

    da9dd27a8bcb51f3aca9da7a1a5670db4a3ab12e456eca085f6be3299ba5728fee338ed53e1208f792573e337889256eac044158f88add13c0dac02f250ba5dd

  • C:\Users\Admin\AppData\Local\Temp\7zSB49F.tmp\onahdkamepcgdcmcilngchcecbaglimb\background.html

    Filesize

    144B

    MD5

    e8b6ce937c5f652a6fa394d88dd05ff6

    SHA1

    a65110a56a9cdffdfbc9ded4b6febbd40f98758a

    SHA256

    23c1492da26ea9fa1a1445afbdc808e64c15077fbb41320e0b139957892a9046

    SHA512

    481b04d126f75781be2542f6f03583bb020dd1e5a693b769b73ba15a248501bd397c621015e7ec03dc738423788573405e13cca66ffbd03d7470b813991cbbe1

  • C:\Users\Admin\AppData\Local\Temp\7zSB49F.tmp\onahdkamepcgdcmcilngchcecbaglimb\content.js

    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zSB49F.tmp\onahdkamepcgdcmcilngchcecbaglimb\lsdb.js

    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zSB49F.tmp\onahdkamepcgdcmcilngchcecbaglimb\manifest.json

    Filesize

    499B

    MD5

    5e163ab7a380e500fd8fba83656fc81d

    SHA1

    82d0120edd810dc9a3abe2c6e521f003cce37db9

    SHA256

    12510ebb4212d6237a973c11c0f3ae5e21e746ab51f7dbbab7284eb4f802c0a1

    SHA512

    3fc93afc937c5589df9d93c2cc9faf83ca67495cb7772c3a4f7e0e1b609f3db6a458d8ee0f751f7b26df60e121a006e53d9b20829152d8bed4ebfe0e2ce86c32

  • C:\Users\Admin\AppData\Local\Temp\7zSB49F.tmp\onahdkamepcgdcmcilngchcecbaglimb\q16IVYC.js

    Filesize

    5KB

    MD5

    1a31263e204ec2be91087cf1f3ed3fd1

    SHA1

    fecde44682463d9cc8fe949b7b5bc2c705573d48

    SHA256

    31256ad5673c51083e8b66766e893805933bf54a853198bbc665fbd021ba26fc

    SHA512

    44d1b600545c30fcba71d500bac32817fd0256aeb3c4ebf2573ce4501394f88d601cba4d9b709aa48dc5fe0286c07c17bc71c1874fe67ebfd7cecfbf6a9295a2