Overview

overview

8

Static

static

7

JFuL6CvKp4...Cw.exe

windows10-2004-x64

7

JFuL6CvKp4...Cw.exe

windows11-21h2-x64

8

Analysis

  • max time kernel
    58s
  • max time network
    32s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240611-en
  • resource tags

    arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    15/06/2024, 16:46

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    JFuL6CvKp45wYJfgiUZjDlAsgEs3cRCw.exe
  • Size 12KB
  • Sample240615-t951sa1fkl
  • SHA256 4f44829349f714eea43d61875267343bad310fe0c37ae2bfd3b5163f72fe8367
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10
pyinstallerupx

Malware Config

Signatures

  • Downloads MZ/PE file
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 23 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Looks up external IP address via web service 2 IoCs

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

  • Detects Pyinstaller 1 IoCs
    pyinstaller
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JFuL6CvKp45wYJfgiUZjDlAsgEs3cRCw.exe
    "C:\Users\Admin\AppData\Local\Temp\JFuL6CvKp45wYJfgiUZjDlAsgEs3cRCw.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4564
    • C:\Users\Admin\AppData\Local\Temp\TMP7B4A.tmp
      "C:\Users\Admin\AppData\Local\Temp\TMP7B4A.tmp"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1724
      • C:\Users\Admin\AppData\Local\Temp\TMP7B4A.tmp
        "C:\Users\Admin\AppData\Local\Temp\TMP7B4A.tmp"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of AdjustPrivilegeToken
        PID:5052

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        TMP7B4A.tmp
        • Path C:\Users\Admin\AppData\Local\Temp\TMP7B4A.tmp
        • Size 12.7MB
        • SHA256 e9bf77f0d9f07a49b69621efc82941bdcbb2f123197f7bbf916b89759db9bba9
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        VCRUNTIME140.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI17242\VCRUNTIME140.dll
        • Size 106KB
        • SHA256 a8f950b4357ec12cfccddc9094cca56a3d5244b95e09ea6e9a746489f2d58736
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        _brotli.cp311-win_amd64.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI17242\_brotli.cp311-win_amd64.pyd
        • Size 801KB
        • SHA256 1fcd75b03673904d9471ec03c0ef26978d25135a2026020e679174bdef976dcf
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        _bz2.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI17242\_bz2.pyd
        • Size 82KB
        • SHA256 a4dd883257a7ace84f96bcc6cd59e22d843d0db080606defae32923fc712c75a
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        _ctypes.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI17242\_ctypes.pyd
        • Size 120KB
        • SHA256 ee543453ac1a2b9b52e80dc66207d3767012ca24ce2b44206804767f37443902
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        _hashlib.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI17242\_hashlib.pyd
        • Size 63KB
        • SHA256 e557873d5ad59fd6bd29d0f801ad0651dbb8d9ac21545defe508089e92a15e29
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        _lzma.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI17242\_lzma.pyd
        • Size 155KB
        • SHA256 1796038480754a680f33a4e37c8b5673cc86c49281a287dc0c5cae984d0cb4bb
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        _queue.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI17242\_queue.pyd
        • Size 31KB
        • SHA256 35609869edc57d806925ec52cca9bc5a035e30d5f40549647d4da6d7983f8659
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        _socket.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI17242\_socket.pyd
        • Size 77KB
        • SHA256 74181072392a3727049ea3681fe9e59516373809ced53e08f6da7c496b76e117
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        _ssl.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI17242\_ssl.pyd
        • Size 157KB
        • SHA256 5160500474ec95d4f3af7e467cc70cb37bec1d12545f0299aab6d69cea106c69
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        base_library.zip
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI17242\base_library.zip
        • Size 1.8MB
        • SHA256 23e2ff32f25bd3151e721f04b4a65e7a56489bbf68cdbc6929037b85c6a142d6
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        cacert.pem
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI17242\certifi\cacert.pem
        • Size 272KB
        • SHA256 b301535dca491d9814ea28faa320ac7a19d0f5d94237996fa0a3b5a936432514
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        md.cp311-win_amd64.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI17242\charset_normalizer\md.cp311-win_amd64.pyd
        • Size 10KB
        • SHA256 fff69928dea1432e0c7cb1225ab96f94fd38d5d852de9a6bb8bf30b7d2bedceb
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        md__mypyc.cp311-win_amd64.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI17242\charset_normalizer\md__mypyc.cp311-win_amd64.pyd
        • Size 113KB
        • SHA256 207bbae9ddf8bdd64e65a8d600fe1dd0465f2afcd6dc6e28d4d55887cd6cbd13
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        libcrypto-1_1.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI17242\libcrypto-1_1.dll
        • Size 3.3MB
        • SHA256 f20eb4efd8647b5273fdaafceb8ccb2b8ba5329665878e01986cbfc1e6832c44
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        libffi-8.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI17242\libffi-8.dll
        • Size 38KB
        • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        libssl-1_1.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI17242\libssl-1_1.dll
        • Size 688KB
        • SHA256 c8f7237e7040a73c2bea567acc9cec373aadd48654aaac6122416e160f08ca13
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        _psutil_windows.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI17242\psutil\_psutil_windows.pyd
        • Size 76KB
        • SHA256 67c17558b635d6027ddbb781ea4e79fc0618bbec7485bd6d84b0ebcd9ef6a478
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        pyarmor_runtime.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI17242\pyarmor_runtime_000000\pyarmor_runtime.pyd
        • Size 616KB
        • SHA256 4a05cb65aeac3800f312c2742ded213385638cca6f8bf0b2ca2195676a7b4eee
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        python3.DLL
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI17242\python3.DLL
        • Size 65KB
        • SHA256 520169aa6cf49d7ee724d1178de1be0e809e4bdcf671e06f3d422a0dd5fd294a
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        python311.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI17242\python311.dll
        • Size 5.5MB
        • SHA256 a811c7516f531f1515d10743ae78004dd627eba0dc2d3bc0d2e033b2722043ce
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        select.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI17242\select.pyd
        • Size 29KB
        • SHA256 c4aa9a106381835cfb5f9badfb9d77df74338bc66e69183757a5a3774ccdaccf
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        ucrtbase.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI17242\ucrtbase.dll
        • Size 992KB
        • SHA256 8a91052ef261b5fbf3223ae9ce789af73dfe1e9b0ba5bdbc4d564870a24f2bae
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        unicodedata.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI17242\unicodedata.pyd
        • Size 1.1MB
        • SHA256 8fbed20e9225ff82132e97b4fefbb5ddbc10c062d9e3f920a6616ab27bb5b0fb
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        backend_c.cp311-win_amd64.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI17242\zstandard\backend_c.cp311-win_amd64.pyd
        • Size 512KB
        • SHA256 b990efbda8a50c49cd7fde5894f3c8f3715cb850f8cc4c10bc03fd92e310260f
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        memory/4564-0-0x00007FF61C720000-0x00007FF61C72D000-memory.dmp
        Download

        memory/4564-130-0x00007FF61C720000-0x00007FF61C72D000-memory.dmp
        Download

        memory/5052-132-0x00000000655C0000-0x0000000065669000-memory.dmp
        Download