Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    16/09/2026, 18:34

General

  • Target
    a5d321e0f4f1c2da482b46020e3328dfa632af8a79ac1eed7dcab2c57ba4e825.exe
  • Size 5.5MB
  • Sample260916-w7w17stgjd
  • SHA256 a5d321e0f4f1c2da482b46020e3328dfa632af8a79ac1eed7dcab2c57ba4e825
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • cobaltstrike

C2
  • http://43.143.198.113:4567/mq2M

Attributes
  • user_agent

    User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64; Trident/5.0; BOIE9;ENUS)

Signatures

  • Family: Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 24 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a5d321e0f4f1c2da482b46020e3328dfa632af8a79ac1eed7dcab2c57ba4e825.exe
    "C:\Users\Admin\AppData\Local\Temp\a5d321e0f4f1c2da482b46020e3328dfa632af8a79ac1eed7dcab2c57ba4e825.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:6124
    • C:\Users\Admin\AppData\Local\Temp\onefile_6124_134340572706364923\fanxuliehua1.exe
      C:\Users\Admin\AppData\Local\Temp\a5d321e0f4f1c2da482b46020e3328dfa632af8a79ac1eed7dcab2c57ba4e825.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:4696

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        _Salsa20.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\Crypto\Cipher\_Salsa20.pyd
        • Size 23KB
        • SHA256 bf2c87312a33e99646f4df4a274744b5b822bb7f3f5a0ead3ef5794c7419181a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _raw_aes.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\Crypto\Cipher\_raw_aes.pyd
        • Size 46KB
        • SHA256 faec700664685315233a16fad2ff822ca9539f3aff8f98328ef64d7d46717cd3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _raw_aesni.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\Crypto\Cipher\_raw_aesni.pyd
        • Size 25KB
        • SHA256 8d2209b19e35997a4b1ae1c9f4dde2c34df9038cbe27915dadc13c20caefb02e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _raw_cbc.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\Crypto\Cipher\_raw_cbc.pyd
        • Size 21KB
        • SHA256 4100e369c7400a911334ebbd1131069fbc98d4b29f71ca172ac6d01f2201d7e9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _raw_cfb.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\Crypto\Cipher\_raw_cfb.pyd
        • Size 23KB
        • SHA256 ab1d7152faed5896fb9bbc9de94bdd4411821451c2d1a794514cd612709593d2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _raw_ctr.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\Crypto\Cipher\_raw_ctr.pyd
        • Size 25KB
        • SHA256 623aa517c5135a6142278c6b464f98af8a6489339b549ac1611789969fc9b6b3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _raw_ecb.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\Crypto\Cipher\_raw_ecb.pyd
        • Size 21KB
        • SHA256 513a925c3ed4bb99d3a5f267393f1d39542dc349e09560d800e9a988f3a86eea
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _raw_ocb.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\Crypto\Cipher\_raw_ocb.pyd
        • Size 28KB
        • SHA256 74673771af31c90f15a38226447a300e8dd466fb5e7e725e95d95ee9178c406c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _raw_ofb.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\Crypto\Cipher\_raw_ofb.pyd
        • Size 21KB
        • SHA256 d2d8f8e9fe523c98d063618cb19310656b9bb01314958c16073b03b88d68949a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _BLAKE2s.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\Crypto\Hash\_BLAKE2s.pyd
        • Size 24KB
        • SHA256 30dfc71e680332d24b41d2540f5d2c385ab7cca38e46deb1dcc64b2bfb7f2c79
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _MD5.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\Crypto\Hash\_MD5.pyd
        • Size 25KB
        • SHA256 43dbbce14fc3b2fe46cd2d28055aa968c9c8def675ee1851a75a38ae161d36ad
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _SHA1.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\Crypto\Hash\_SHA1.pyd
        • Size 27KB
        • SHA256 43d5b80e207be37e6eddaff71c76ff9ac8a56be59045d9dc54ade89de65e963e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _SHA256.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\Crypto\Hash\_SHA256.pyd
        • Size 31KB
        • SHA256 5f64a43facf324f5c18cddffdd4a923f03a32b0e4232d99a55f4feab12b00c0d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _ghash_clmul.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\Crypto\Hash\_ghash_clmul.pyd
        • Size 22KB
        • SHA256 7ae0528d18ab7ccc04a2c3977981b0ea9ba19040e701bdbd743fa5ca37ecfeb6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _ghash_portable.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\Crypto\Hash\_ghash_portable.pyd
        • Size 23KB
        • SHA256 36ae5ef8b8acffc54a4386742b0e804865c8bd37263dd42379d2a283460288b8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _scrypt.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\Crypto\Protocol\_scrypt.pyd
        • Size 21KB
        • SHA256 b8518327f9d3cf99f448256c528a75d51fc359732b083460da890c924d6e0994
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _cpuid_c.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\Crypto\Util\_cpuid_c.pyd
        • Size 21KB
        • SHA256 3cfbdb1ca8dff747be9ba8278e205c5189ff397f872145a98650195f6f280572
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _strxor.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\Crypto\Util\_strxor.pyd
        • Size 20KB
        • SHA256 ab8e442834779703dd429b7762cfb7d1918a1bfee3819df6af734ce7940b2fa9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _cffi_backend.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\_cffi_backend.pyd
        • Size 160KB
        • SHA256 25b58bbbf3f09f59290244981536ee6335abc72728abc22f171c96f6138ebf43
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _ctypes.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\_ctypes.pyd
        • Size 114KB
        • SHA256 fc5cb383c918c3920ff20067c793df0467c032f78f503f0cbecb99025e6893d1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ffi.dll

        • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\ffi.dll
        • Size 27KB
        • SHA256 4ec927d13273dd1a5ffd6b42151e9ff097ca8b07a169b697496c98ce457ca913
        • MD5 SHA1 SHA512 SSDEEP TLSH

        VCRUNTIME140.dll

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_6124_134340572706364923\VCRUNTIME140.dll
        • Size 99KB
        • SHA256 ff43e813785ee948a937b642b03050bb4b1c6a5e23049646b891a66f65d4c833
        • MD5 SHA1 SHA512 SSDEEP TLSH

        fanxuliehua1.exe

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_6124_134340572706364923\fanxuliehua1.exe
        • Size 6.4MB
        • SHA256 48f480f0af5e6c6078cf5313fd5ce6e06e2b820bc31bf5425acb81fb2fb0a817
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python310.dll

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_6124_134340572706364923\python310.dll
        • Size 4.5MB
        • SHA256 dcf5a930c65ec130ec931a2b0c631acc6faa05b4eb07269a52b92cbd7f644a45
        • MD5 SHA1 SHA512 SSDEEP TLSH

        zlib.dll

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_6124_134340572706364923\zlib.dll
        • Size 85KB
        • SHA256 54c755e6b90499a5ef49a65ce9472535286fe4db3565a06c4a53f8a4833532dc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4696-87-0x000002B5B4C50000-0x000002B5B4C51000-memory.dmp