Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    02/06/2026, 22:20

General

  • Target
    043b9efdba993f9894e23a7017e119da44b36341e27eb8b19ed698857ea7325f.exe
  • Size 9.6MB
  • Sample260602-19ebdsfx9m
  • SHA256 043b9efdba993f9894e23a7017e119da44b36341e27eb8b19ed698857ea7325f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • cobaltstrike

C2
  • http://117.72.104.72:4443/bSEc

Attributes
  • user_agent

    User-Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0; Trident/4.0)

Signatures

  • Family: Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

  • Loads dropped DLL 32 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\043b9efdba993f9894e23a7017e119da44b36341e27eb8b19ed698857ea7325f.exe
    "C:\Users\Admin\AppData\Local\Temp\043b9efdba993f9894e23a7017e119da44b36341e27eb8b19ed698857ea7325f.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3664
    • C:\Users\Admin\AppData\Local\Temp\043b9efdba993f9894e23a7017e119da44b36341e27eb8b19ed698857ea7325f.exe
      "C:\Users\Admin\AppData\Local\Temp\043b9efdba993f9894e23a7017e119da44b36341e27eb8b19ed698857ea7325f.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1664
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "ver"
        3⤵
          PID:1756

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          VCRUNTIME140.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\VCRUNTIME140.dll
          • Size 94KB
          • SHA256 ded5adaa94341e6c62aea03845762591666381dca30eb7c17261dd154121b83e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _bz2.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\_bz2.pyd
          • Size 84KB
          • SHA256 cd04ebe932b2cb2fd7f01c25412bddd77b476fa47d0aff69a04a27d3bfe4b37b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _cffi_backend.cp39-win_amd64.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\_cffi_backend.cp39-win_amd64.pyd
          • Size 174KB
          • SHA256 fb759cb37c785bc286f8de4ca4679e887fb3981a74f458449553e0df6956cfa9
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _ctypes.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\_ctypes.pyd
          • Size 124KB
          • SHA256 11daef02afe45d9f3987bab5c2b6ef75b2b6f6f79704c45675d532f090f14b8b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _decimal.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\_decimal.pyd
          • Size 265KB
          • SHA256 67a47d85cc1a21069610c85da64fc031231d43af7876dfc48361c57d88efee0b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _lzma.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\_lzma.pyd
          • Size 159KB
          • SHA256 4213fbb6936ad3eac1e1ba28f10e15719176bc3a59ff01ddc6828dd7eee52132
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-console-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\api-ms-win-core-console-l1-1-0.dll
          • Size 41KB
          • SHA256 002ef1614c26c22c55e9b33b4577fb6a3ed900bc27d5a0025d6d047c64bcf973
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-datetime-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\api-ms-win-core-datetime-l1-1-0.dll
          • Size 41KB
          • SHA256 ae2fa471ffb72f41c710a44a05dc6f2715ac83833e653fb611b7681599c95bd5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-debug-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\api-ms-win-core-debug-l1-1-0.dll
          • Size 41KB
          • SHA256 4dd548f706fc8b6f72dafd6901454c45b7720d7bad5726bef3c7957f8c0ede8c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-errorhandling-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\api-ms-win-core-errorhandling-l1-1-0.dll
          • Size 41KB
          • SHA256 3686c5f867b56611e3766a1c03b6a0480aa99d6ae515238f004f6a2084758776
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-fibers-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\api-ms-win-core-fibers-l1-1-0.dll
          • Size 41KB
          • SHA256 8d2e1a7dca9b8c4f6ea8c09bb7db9c729f1c3d16cbbb073f66101fb6f0c30f94
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-fibers-l1-1-1.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\api-ms-win-core-fibers-l1-1-1.dll
          • Size 41KB
          • SHA256 affc96d5aa19b374be7a56a859980b56858e22f2a221da8513eec42ffd21a718
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-file-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\api-ms-win-core-file-l1-1-0.dll
          • Size 45KB
          • SHA256 26b3ec7f0ef1d09cfaca62c823566b41be9e83606b996ce92339744d96d34a6b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-file-l1-2-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\api-ms-win-core-file-l1-2-0.dll
          • Size 41KB
          • SHA256 8ae99e14f909b91faa3163fc0f9c2a904de1ee5ebba342d708f747276c9d7ca8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-file-l2-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\api-ms-win-core-file-l2-1-0.dll
          • Size 41KB
          • SHA256 a5993dc5b4fbc0b2463537666bd0f19b3e9824fc4933490278091877bfd707f0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-handle-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\api-ms-win-core-handle-l1-1-0.dll
          • Size 41KB
          • SHA256 f98f0004552417be91b3e15340abe1d1b02d78b45217fb93abe4f9ef6b54d108
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-heap-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\api-ms-win-core-heap-l1-1-0.dll
          • Size 41KB
          • SHA256 fdd78958d9dd6287372197954648d433128d581c26b970cb489c59b399441691
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-interlocked-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\api-ms-win-core-interlocked-l1-1-0.dll
          • Size 41KB
          • SHA256 0c957fd8229184147101bd44501495a94a869122fe665fd56e6f2208ffa66a71
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-kernel32-legacy-l1-1-1.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\api-ms-win-core-kernel32-legacy-l1-1-1.dll
          • Size 41KB
          • SHA256 cd694dd9de1e8f62ddf41952550310c10264f677c153371b3cc3ff8f68280019
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-libraryloader-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\api-ms-win-core-libraryloader-l1-1-0.dll
          • Size 41KB
          • SHA256 bc3634c53e7746777421ade3c332da1218561b4f77da4fe3ce5e8c3ceb9c4b0d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-localization-l1-2-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\api-ms-win-core-localization-l1-2-0.dll
          • Size 41KB
          • SHA256 7ac6b6ad7094b606bfb194230ca16b6436bcecd4669a1cfcfd880e25ef3bd106
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-memory-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\api-ms-win-core-memory-l1-1-0.dll
          • Size 41KB
          • SHA256 074bcaf27670e09e3fda81251886e3340c72cc8d2a4deb6e78f9d2f6b8c93a3f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-namedpipe-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\api-ms-win-core-namedpipe-l1-1-0.dll
          • Size 41KB
          • SHA256 f54c36f6cdf0a40ae1ab1772eb27c2e3900e9e21d4f8f2a564a1b3b0326f7dcb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-processenvironment-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\api-ms-win-core-processenvironment-l1-1-0.dll
          • Size 41KB
          • SHA256 b958a3e2f5b42ab500995c9d258278a9ad1f8c3a4986f5a1bf04c5decdc8b29e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-processthreads-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\api-ms-win-core-processthreads-l1-1-0.dll
          • Size 41KB
          • SHA256 89e233a1b4277f34899e5c4416a9202e3a4fc154c1fb3f56832bb5d90b5e8117
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-processthreads-l1-1-1.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\api-ms-win-core-processthreads-l1-1-1.dll
          • Size 41KB
          • SHA256 2aaa351f7d1e423ecfd6db6550b1f7d6ef8c76afe238e8491aa7e4827615edd2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-profile-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\api-ms-win-core-profile-l1-1-0.dll
          • Size 41KB
          • SHA256 6f3b67e02abb67d7fbec15a1415e1858b4900654baa52120e8d887b552b57f2c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-rtlsupport-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\api-ms-win-core-rtlsupport-l1-1-0.dll
          • Size 41KB
          • SHA256 7e7950b535768988313ae1689be3844f471293e293cec4be845e17c1e8940623
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-string-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\api-ms-win-core-string-l1-1-0.dll
          • Size 41KB
          • SHA256 dce5934af79f7f22d5bd58a9fa6fcf4734ef13ca3b58a26579a6d7471e6b27e5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-synch-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\api-ms-win-core-synch-l1-1-0.dll
          • Size 41KB
          • SHA256 590d924e988503e023848ebdc3f3f01bfcc4e3f7717816c5a68b8f8414ab41f9
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-synch-l1-2-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\api-ms-win-core-synch-l1-2-0.dll
          • Size 41KB
          • SHA256 6e5a3ddfdc21561c0f4e8ef77a4df9f19b1bf9212c91de92946f230e8a6ec91b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-sysinfo-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\api-ms-win-core-sysinfo-l1-1-0.dll
          • Size 41KB
          • SHA256 a7db43f8af86df869faab7d50626a097a20961579613ddd79ee5580748a4793d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-sysinfo-l1-2-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\api-ms-win-core-sysinfo-l1-2-0.dll
          • Size 41KB
          • SHA256 d77af2a15be5a51cd242c142d755fcafad76af9b57e472179f8c23f0790f106d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-timezone-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\api-ms-win-core-timezone-l1-1-0.dll
          • Size 41KB
          • SHA256 c88c3678a4e1bee3f12b2ce947f3bc37ed3d3231a5801ea822cc2c28fa87b078
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-util-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\api-ms-win-core-util-l1-1-0.dll
          • Size 41KB
          • SHA256 716c6b088974726268612511e5190459d329a1eee7cbb7dbaa1307775ce66db8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-crt-conio-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\api-ms-win-crt-conio-l1-1-0.dll
          • Size 41KB
          • SHA256 4b3d67596ec2f93fe9639f3f846073cb541b615070cd5094876c5f47b8b47579
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-crt-convert-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\api-ms-win-crt-convert-l1-1-0.dll
          • Size 45KB
          • SHA256 ddb8e51047b92c2b3caab9956962f0af57a5d2840536c33620f07970eaddd8d1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-crt-environment-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\api-ms-win-crt-environment-l1-1-0.dll
          • Size 41KB
          • SHA256 998506d8270b5109bf9b0290302183bf1f4551b95722a9f9c15f02d1f90bd532
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-crt-filesystem-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\api-ms-win-crt-filesystem-l1-1-0.dll
          • Size 41KB
          • SHA256 e95c2ff8c37d29eb7c125a205191ed728a879e7a1527804877cc2080f411a20c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-crt-heap-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\api-ms-win-crt-heap-l1-1-0.dll
          • Size 41KB
          • SHA256 28c2796dd9af7261873f180262ceaffb39fb529539925454b9c6cd01137e14f9
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-crt-locale-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\api-ms-win-crt-locale-l1-1-0.dll
          • Size 41KB
          • SHA256 ef84b20de4057bd4b64cbcecbea3b9b5c6cc671caa2c7d39d8a02437f1a37b81
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-crt-math-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\api-ms-win-crt-math-l1-1-0.dll
          • Size 49KB
          • SHA256 adcf89c534aace75761f79de850f0966f79bd119bd8e87635611943e6d2a317e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-crt-process-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\api-ms-win-crt-process-l1-1-0.dll
          • Size 41KB
          • SHA256 80ac7de93f382e9a52137a2fee0d1359a63d19595ac3c9caf72300fd478fdcf9
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-crt-runtime-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\api-ms-win-crt-runtime-l1-1-0.dll
          • Size 45KB
          • SHA256 8ee3f2277018ab3e2c52969ee793a4b9ef054c269250e4bde2639f27cfda42c8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-crt-stdio-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\api-ms-win-crt-stdio-l1-1-0.dll
          • Size 45KB
          • SHA256 04698815e80b8c6c799c6001b0f8220e9a8f2ff88496f808f5d6a49a1f0dab06
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-crt-string-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\api-ms-win-crt-string-l1-1-0.dll
          • Size 45KB
          • SHA256 f104b2be7f464444232179f3db768221ee0258f9bf3f5c500553b678f2e465ce
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-crt-time-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\api-ms-win-crt-time-l1-1-0.dll
          • Size 41KB
          • SHA256 864f666db947dba0cce45f9e47a985a2096cb81da843eb2e63a7fb2c8ea80e46
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-crt-utility-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\api-ms-win-crt-utility-l1-1-0.dll
          • Size 41KB
          • SHA256 95873f3e33077346ca2a3bc7bf7daa7bd2e3048a5484dca4f4528f2b7b538bf9
          • MD5 SHA1 SHA512 SSDEEP TLSH

          base_library.zip

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\base_library.zip
          • Size 828KB
          • SHA256 66c33939b8110b5fd5679fd3179c2844663b77aaf1018a5ba43f3faf1b111010
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libcrypto-1_1.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\libcrypto-1_1.dll
          • Size 3.3MB
          • SHA256 9c0a0a11629cced6a064932e95a0158ee936739d75a56338702fed97cb0bad55
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libffi-7.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\libffi-7.dll
          • Size 32KB
          • SHA256 f60dd9f2fcbd495674dfc1555effb710eb081fc7d4cae5fa58c438ab50405081
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libssl-1_1.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\libssl-1_1.dll
          • Size 682KB
          • SHA256 ed1c8769f5096afd000fc730a37b11177fcf90890345071ab7fbceac684d571f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          pyexpat.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\pyexpat.pyd
          • Size 200KB
          • SHA256 9e90ade54232d61d106b182326085fc843c8b48b363733865abe40652d78614c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          python39.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\python39.dll
          • Size 4.3MB
          • SHA256 f4609ec3bbcc74ed9257e3440ec15adf3061f7162a89e4e9a370e1c2273370a1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          select.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\select.pyd
          • Size 28KB
          • SHA256 cd31f9f557d57a6909186940eafe483c37de9a7251e604644a747c7ec26b7823
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ucrtbase.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\ucrtbase.dll
          • Size 1.3MB
          • SHA256 ee847c9d37eb901945ddccc2de73f657e3e92b148ae863b63e7f97d05ed558cb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          unicodedata.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI36642\unicodedata.pyd
          • Size 1.1MB
          • SHA256 91834e28cc0acbd966dc6d323b95113e0050301b7cd6cd4abe43390f2bbddb34
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1664-182-0x000001CAFFBA0000-0x000001CAFFBA1000-memory.dmp