Overview

overview

10

Static

static

10

builder.exe

windows7-x64

7

builder.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    143s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/06/2024, 17:51

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General

  • Target
    builder.exe
  • Size 14.3MB
  • Sample240619-wfhdqszfmn
  • SHA256 f41530b3fa407d4ad80f76356f939b85d70b0b95858608de8149c0e54331eeca
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10
spywarestealer

Malware Config

Signatures

  • Drops startup file 1 IoCs
  • Loads dropped DLL 46 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
    spyware
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 33 IoCs
  • Looks up external IP address via web service 5 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates processes with tasklist 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\builder.exe
    "C:\Users\Admin\AppData\Local\Temp\builder.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1804
    • C:\Users\Admin\AppData\Local\Temp\builder.exe
      "C:\Users\Admin\AppData\Local\Temp\builder.exe"
      2⤵
      • Drops startup file
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2732
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "ver"
        3⤵
          PID:4048
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c "tasklist"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4500
          • C:\Windows\system32\tasklist.exe
            tasklist
            4⤵
            • Enumerates processes with tasklist
            • Suspicious use of AdjustPrivilegeToken
            PID:4608
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1320 --field-trial-handle=2280,i,11703952675008463361,17436195144517971517,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:2144

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            _raw_cbc.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI18042\Crypto\Cipher\_raw_cbc.pyd
            • Size 12KB
            • SHA256 84e071321e378054b6d3b56bbd66699e36554f637a44728b38b96a31199dfa69
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            _raw_cfb.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI18042\Crypto\Cipher\_raw_cfb.pyd
            • Size 13KB
            • SHA256 2a63e504c8aa4d291bbd8108f26eecde3dcd9bfba579ae80b777ff6dfec5e922
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            _raw_ecb.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI18042\Crypto\Cipher\_raw_ecb.pyd
            • Size 10KB
            • SHA256 ea96505b38d27c085544fb129f2b0e00df5020d323d7853e6a6a8645ac785304
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            _raw_ofb.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI18042\Crypto\Cipher\_raw_ofb.pyd
            • Size 12KB
            • SHA256 084e4b2da2180ad2a2e96e8804a6f2fc37bce6349eb8a5f6b182116b4d04bd82
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            VCRUNTIME140.dll
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI18042\VCRUNTIME140.dll
            • Size 106KB
            • SHA256 76fdb83fde238226b5bebaf3392ee562e2cb7ca8d3ef75983bf5f9d6c7119644
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            VCRUNTIME140_1.dll
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI18042\VCRUNTIME140_1.dll
            • Size 48KB
            • SHA256 e0b66601cc28ecb171c3d4b7ac690c667f47da6b6183bff80604c84c00d265ab
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            _asyncio.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI18042\_asyncio.pyd
            • Size 62KB
            • SHA256 45c229c3988f30580c79b38fc0c19c81e6f7d5778e64cef6ce04dd188a9ccab5
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            _bz2.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI18042\_bz2.pyd
            • Size 81KB
            • SHA256 775fbc6e9a4c7e9710205157350f3d6141b5a9e8f44cb07b3eac38f2789c8723
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            _cffi_backend.cp310-win_amd64.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI18042\_cffi_backend.cp310-win_amd64.pyd
            • Size 177KB
            • SHA256 2093e7e4f5359b38f0819bdef8314fda332a1427f22e09afc416e1edd5910fe1
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            _ctypes.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI18042\_ctypes.pyd
            • Size 119KB
            • SHA256 e60a2b100c4fa50b0b144cf825fe3cde21a8b7b60b92bfc326cb39573ce96b2b
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            _hashlib.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI18042\_hashlib.pyd
            • Size 60KB
            • SHA256 cd33f823e608d3bda759ad441f583a20fc0198119b5a62a8964f172559acb7d3
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            _lzma.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI18042\_lzma.pyd
            • Size 153KB
            • SHA256 0a70e8546fa6038029f2a3764e721ceebea415818e5f0df6b90d6a40788c3b31
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            _overlapped.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI18042\_overlapped.pyd
            • Size 47KB
            • SHA256 f16e595b0a87c32d9abd2035f8ea97b39339548e7c518df16a6cc27ba7733973
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            _queue.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI18042\_queue.pyd
            • Size 29KB
            • SHA256 007bcf19d9b036a7e73f5ef31f39bfb1910f72c9c10e4a1b0658352cfe7a8b75
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            _socket.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI18042\_socket.pyd
            • Size 75KB
            • SHA256 8af6d70d44bb9398733f88bcfb6d2085dd1a193cd00e52120b96a651f6e35ebe
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            _sqlite3.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI18042\_sqlite3.pyd
            • Size 95KB
            • SHA256 28090432a18b59eb8cbe8fdcf11a277420b404007f31ca571321488a43b96319
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            _ssl.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI18042\_ssl.pyd
            • Size 155KB
            • SHA256 e33b7a4aa5cdd5462ee66830636fdd38048575a43d06eb7e2f688358525ddeab
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            _uuid.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI18042\_uuid.pyd
            • Size 23KB
            • SHA256 8b3d4767057c18c1c496e138d4843f25e5c98ddfc6a8d1b0ed46fd938ede5bb6
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            base_library.zip
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI18042\base_library.zip
            • Size 1.0MB
            • SHA256 614c7340ef588134c406d521cd7218a173a7039810dda73dd165905e1ad2c886
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            md.cp310-win_amd64.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI18042\charset_normalizer\md.cp310-win_amd64.pyd
            • Size 10KB
            • SHA256 ab0a8fd8f085766a2a7001380e6ee219d5ae68d0194498eeb8d3866f922fbcae
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            md__mypyc.cp310-win_amd64.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI18042\charset_normalizer\md__mypyc.cp310-win_amd64.pyd
            • Size 114KB
            • SHA256 1a6961fd249dbb3a9ccc903fe5ec4631616594edefb19db423fb488b3dba619a
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            libcrypto-1_1.dll
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI18042\libcrypto-1_1.dll
            • Size 3.3MB
            • SHA256 976ce72efd0a8aeeb6e21ad441aa9138434314ea07f777432205947cdb149541
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            libffi-7.dll
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI18042\libffi-7.dll
            • Size 32KB
            • SHA256 f60dd9f2fcbd495674dfc1555effb710eb081fc7d4cae5fa58c438ab50405081
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            libssl-1_1.dll
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI18042\libssl-1_1.dll
            • Size 686KB
            • SHA256 2aebb73530d21a2273692a5a3d57235b770daf1c35f60c74e01754a5dac05071
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            pyexpat.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI18042\pyexpat.pyd
            • Size 193KB
            • SHA256 56984d43be27422d31d8ece87d0abda2c0662ea2ff22af755e49e3462a5f8b65
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            python310.dll
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI18042\python310.dll
            • Size 4.3MB
            • SHA256 156cf2b64dd0f4d9bdb346b654a11300d6e9e15a65ef69089923dafc1c71e33d
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            pythoncom310.dll
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI18042\pywin32_system32\pythoncom310.dll
            • Size 653KB
            • SHA256 c3b33ba6c4f646151aed4172562309d9f44a83858ddfd84b2d894a8b7da72b1e
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            pywintypes310.dll
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI18042\pywin32_system32\pywintypes310.dll
            • Size 131KB
            • SHA256 c8ec6429d243aef1f78969863be23d59273fa6303760a173ab36ab71d5676005
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            select.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI18042\select.pyd
            • Size 28KB
            • SHA256 8f27cd8c5071cb740a2191b3c599e99595b121f461988166f07d9f841e7116b7
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            sqlite3.dll
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI18042\sqlite3.dll
            • Size 1.4MB
            • SHA256 f1e8b6c4d61ac6a320fa2566da9391fbfd65a5ac34ac2e2013bc37c8b7b41592
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            unicodedata.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI18042\unicodedata.pyd
            • Size 1.1MB
            • SHA256 4b6e3ba734c15ec789b5d7469a5097bd082bdfd8e55e636ded0d097cf6511e05
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            win32api.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI18042\win32\win32api.pyd
            • Size 130KB
            • SHA256 ac483d60a565cc9cbf91a6f37ea516b2162a45d255888d50fbbb7e5ff12086ee
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            crcook.txt
            • Path C:\Users\Admin\AppData\Local\Temp\crcook.txt
            • Size 29B
            • SHA256 445e2bcecaa0d8d427b87e17e7e53581d172af1b9674cf1a33dbe1014732108b
            • MD5 SHA1 SHA512
            Submit Download