Resubmissions

27/06/2026, 22:43

260627-2nkrqadz8t7

27/06/2026, 22:26

260627-2cm3psd14p7

27/06/2026, 22:23

260627-2arccadz4t7

Analysis

  • user interaction
    yes
  • max time kernel
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260618-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    27/06/2026, 22:26

General

  • Target
    SinisterClient(1).exe
  • Size 56.2MB
  • Sample260627-2cm3psd14p
  • SHA256 e416de608b7f9e22d46b78fe5e677db603bba244d18681f5e2abb2b299fe6853
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Loads dropped DLL 38 IoCs
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Enumerates processes with tasklist 1 TTPs 1 IoCs
  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SinisterClient(1).exe
    "C:\Users\Admin\AppData\Local\Temp\SinisterClient(1).exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1280
    • C:\Users\Admin\AppData\Local\Temp\SinisterClient(1).exe
      "C:\Users\Admin\AppData\Local\Temp\SinisterClient(1).exe"
      2⤵
      • Checks BIOS information in registry
      • Loads dropped DLL
      • Maps connected drives based on registry
      • Suspicious use of WriteProcessMemory
      PID:5848
      • C:\Windows\System32\Wbem\wmic.exe
        wmic computersystem get manufacturer,model
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2936
      • C:\Windows\System32\Wbem\wmic.exe
        wmic bios get serialnumber,manufacturer,version
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3036
      • C:\Windows\SYSTEM32\tasklist.exe
        tasklist /FO CSV /NH
        3⤵
        • Enumerates processes with tasklist
        PID:1128
      • C:\Windows\SYSTEM32\netsh.exe
        netsh interface show interface
        3⤵
        • Event Triggered Execution: Netsh Helper DLL
        PID:5912
      • C:\Windows\System32\Wbem\wmic.exe
        wmic nic where NetEnabled=true get Name
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2944

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        _imaging.cp314-win_amd64.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12802\PIL\_imaging.cp314-win_amd64.pyd
        • Size 2.5MB
        • SHA256 b4e06283c347910b5973bd5732159ea9eb26eda48e3eed183be2e3382db26597
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _imagingft.cp314-win_amd64.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12802\PIL\_imagingft.cp314-win_amd64.pyd
        • Size 2.1MB
        • SHA256 7e6910e39fa06b4049f058a781a20bcac40c4844d46037859c76de76852dbb3e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        VCRUNTIME140.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12802\VCRUNTIME140.dll
        • Size 117KB
        • SHA256 052ad6a20d375957e82aa6a3c441ea548d89be0981516ca7eb306e063d5027f4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        VCRUNTIME140_1.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12802\VCRUNTIME140_1.dll
        • Size 48KB
        • SHA256 6a99bc0128e0c7d6cbbf615fcc26909565e17d4ca3451b97f8987f9c6acbc6c8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _bz2.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12802\_bz2.pyd
        • Size 85KB
        • SHA256 d28c3dd1c22bfb8a6e8a6a9c2359842b797d08e878ecb7805f60e86a45589d11
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _cffi_backend.cp314-win_amd64.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12802\_cffi_backend.cp314-win_amd64.pyd
        • Size 177KB
        • SHA256 58bbe1eb15f9ab8e9ea45715a8311e2366b360d910a4685448bdd728d5177a01
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _ctypes.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12802\_ctypes.pyd
        • Size 139KB
        • SHA256 25d9b0be550d428fecc697ca20450343a7c3ce77c9f5283e9aecfd188d609250
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _hashlib.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12802\_hashlib.pyd
        • Size 67KB
        • SHA256 36ce760b9fac53fe51755f30a68d86f5fde89bf1b66c65c19e04aa3afa404ac2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _lzma.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12802\_lzma.pyd
        • Size 157KB
        • SHA256 5f7003f9f0256e36351ca2810b3485db28579b08e4d1d65f6f211fcd1136f395
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _queue.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12802\_queue.pyd
        • Size 35KB
        • SHA256 bb53357b4e91ac23ed4061f15ff3e5e91a5b3be1cbb0c6cf294521ae5b4efa1c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _socket.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12802\_socket.pyd
        • Size 85KB
        • SHA256 25ac83cac32ed0d67b2cc9672ce64cb53f0a29a75b14c276e901023ff43da5f9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _sqlite3.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12802\_sqlite3.pyd
        • Size 129KB
        • SHA256 b0c4edff6d60f300373ec929ab915f95ee601bf167e04d28e4e9e28a8e536fe0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _ssl.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12802\_ssl.pyd
        • Size 186KB
        • SHA256 5c07572df2913618cfb851b608cb5f74d740fcce5c3f2e63dc0a2ba39ab35dad
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cp1252.enc

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12802\_tcl_data\encoding\cp1252.enc
        • Size 1KB
        • SHA256 741859cf238c3a63bbb20ec6ed51e46451372bb221cfff438297d261d0561c2e
        • MD5 SHA1 SHA512 TLSH

        _tkinter.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12802\_tkinter.pyd
        • Size 67KB
        • SHA256 a49520e94f19d025a6be6ac7bbb73a7b32442838c62b68c162d44f81d92838ec
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _uuid.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12802\_uuid.pyd
        • Size 27KB
        • SHA256 a09308efd309732e3745e70b4456235579c450cac32bed616dfb3913b56f6637
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _wmi.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12802\_wmi.pyd
        • Size 39KB
        • SHA256 0ab1fbcf18c95d70343012feb1aad61e1ba95aaed5b4a08e57fc5990e8a9a452
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _zstd.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12802\_zstd.pyd
        • Size 491KB
        • SHA256 262aea62a994920daf152a10bdc0ca83a8b1c0874e71db23734862431de182c6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        base_library.zip

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12802\base_library.zip
        • Size 1.3MB
        • SHA256 87680196c03aaf8bf4dd083eafc0b063515f39b6631dd6d467317e8200889d4f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _bcrypt.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12802\bcrypt\_bcrypt.pyd
        • Size 298KB
        • SHA256 898d1fe05e287d66bd379f26eb49d27a260f14666c7dc8b1719dae8c489abff0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        INSTALLER

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12802\cryptography-48.0.1.dist-info\INSTALLER
        • Size 4B
        • SHA256 ceebae7b8927a3227e5303cf5e0f1f7b34bb542ad7250ac03fbcde36ec2f1508
        • MD5 SHA1 SHA512

        _rust.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12802\cryptography\hazmat\bindings\_rust.pyd
        • Size 9.4MB
        • SHA256 cbae8065586611b18e9ffba1885af0b3ba9c52b9e79c85ca4a33264c626e159d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        blue.json

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12802\customtkinter\assets\themes\blue.json
        • Size 4KB
        • SHA256 c9417470c16ced7a43d6c4a8e027afa6edc62c24d5aee7c4c2dcd11385964d3b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libcrypto-3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12802\libcrypto-3.dll
        • Size 6.0MB
        • SHA256 53c529145339fb042a3dcd3a09c2d7753204f8b4fc79d99e0d31e69a33985958
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libffi-8.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12802\libffi-8.dll
        • Size 38KB
        • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libssl-3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12802\libssl-3.dll
        • Size 1.3MB
        • SHA256 b17a87979862d19241edc4318f967e24c3ec356ed6c2368f561179fab2311001
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python3.DLL

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12802\python3.DLL
        • Size 72KB
        • SHA256 22c6e46d8bd563cdb072650901461ef68be2ea6cb1e80af859559d9395a27e39
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python314.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12802\python314.dll
        • Size 6.5MB
        • SHA256 fde89cdb5c2d08ae65de7ef4abca1876c93ba3796002f5ac0bf7e4d4f5a94da0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        pywintypes314.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12802\pywintypes314.dll
        • Size 133KB
        • SHA256 e62808f40462f8066c8d19811cebd15467de6992b1cb48be5f5903910f5395f7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Lorem ipsum.txt

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12802\setuptools\_vendor\jaraco\text\Lorem ipsum.txt
        • Size 1KB
        • SHA256 37fedcffbf73c4eb9f058f47677cb33203a436ff9390e4d38a8e01c9dad28e0b
        • MD5 SHA1 SHA512 TLSH

        tcl86t.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12802\tcl86t.dll
        • Size 1.8MB
        • SHA256 a308beae8555cff5ac2aff7eaf0aef40b5fe173f047e246dc49da9a4d3ef62f9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        tk86t.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12802\tk86t.dll
        • Size 1.5MB
        • SHA256 20f4876506bce7f89e53570e64fd1dce30a64548326b45f372871c7019560df4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ucrtbase.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12802\ucrtbase.dll
        • Size 1.1MB
        • SHA256 1617fcbcf7da6373c49ea27075e879a06a05eaa2d523fc035aabb7daaeab7f27
        • MD5 SHA1 SHA512 SSDEEP TLSH

        win32crypt.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12802\win32\win32crypt.pyd
        • Size 123KB
        • SHA256 1144670ad8271e4d477167bcb55b8ec38e8ad9f02c6fbfe66024e67083da2131
        • MD5 SHA1 SHA512 SSDEEP TLSH

        zlib1.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12802\zlib1.dll
        • Size 142KB
        • SHA256 1dd27f0411ebb31bd148a61589cee254410915f1e6c37aa3ffa52fac71a5426c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/5848-1617-0x00007FFC0D400000-0x00007FFC0D429000-memory.dmp