Analysis

  • user interaction
    yes
  • max time kernel
    900s
  • max time network
    476s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/07/2026, 12:17

General

  • Target
    mrbenspammer.exe
  • Size 15.5MB
  • Sample260709-pgj6dsbs4x
  • SHA256 7116a4d7120b0f717de5ed6163918bd99df3bcc0b016c8054182c312ba67a320
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Loads dropped DLL 43 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Drops file in Windows directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 2 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\mrbenspammer.exe
    "C:\Users\Admin\AppData\Local\Temp\mrbenspammer.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2700
    • C:\Users\Admin\AppData\Local\Temp\mrbenspammer.exe
      "C:\Users\Admin\AppData\Local\Temp\mrbenspammer.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1248
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +H C:\Users\Admin\AppData\Roaming\Microsoft\Windows\winupdate.pyw
        3⤵
        • Views/modifies file attributes
        PID:784
  • C:\Windows\System32\oobe\UserOOBEBroker.exe
    C:\Windows\System32\oobe\UserOOBEBroker.exe -Embedding
    1⤵
    • Drops file in Windows directory
    PID:3972
  • C:\Users\Admin\AppData\Local\Microsoft\OneDrive\18.151.0729.0013\FileCoAuth.exe
    C:\Users\Admin\AppData\Local\Microsoft\OneDrive\18.151.0729.0013\FileCoAuth.exe -Embedding
    1⤵
    • System Location Discovery: System Language Discovery
    PID:5352
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:5268
    • C:\Windows\System32\SecurityHealthHost.exe
      \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
      1⤵
        PID:3056

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            _raw_cbc.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI27002\Crypto\Cipher\_raw_cbc.pyd
            • Size 12KB
            • SHA256 84e071321e378054b6d3b56bbd66699e36554f637a44728b38b96a31199dfa69
            • MD5 SHA1 SHA512 SSDEEP TLSH

            _raw_cfb.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI27002\Crypto\Cipher\_raw_cfb.pyd
            • Size 13KB
            • SHA256 2a63e504c8aa4d291bbd8108f26eecde3dcd9bfba579ae80b777ff6dfec5e922
            • MD5 SHA1 SHA512 SSDEEP TLSH

            _raw_ctr.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI27002\Crypto\Cipher\_raw_ctr.pyd
            • Size 14KB
            • SHA256 b2b68de1d7e5997eb0c8a44c9f2eb958de39b53db8d77a51a84f1d1b197b58b1
            • MD5 SHA1 SHA512 SSDEEP TLSH

            _raw_ecb.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI27002\Crypto\Cipher\_raw_ecb.pyd
            • Size 10KB
            • SHA256 ea96505b38d27c085544fb129f2b0e00df5020d323d7853e6a6a8645ac785304
            • MD5 SHA1 SHA512 SSDEEP TLSH

            _raw_ofb.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI27002\Crypto\Cipher\_raw_ofb.pyd
            • Size 12KB
            • SHA256 084e4b2da2180ad2a2e96e8804a6f2fc37bce6349eb8a5f6b182116b4d04bd82
            • MD5 SHA1 SHA512 SSDEEP TLSH

            _BLAKE2s.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI27002\Crypto\Hash\_BLAKE2s.pyd
            • Size 14KB
            • SHA256 55e20e1effe80f0d6655d690fa445659e0c692b800c4a01ecf3d43dfcb3324b2
            • MD5 SHA1 SHA512 SSDEEP TLSH

            _SHA1.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI27002\Crypto\Hash\_SHA1.pyd
            • Size 17KB
            • SHA256 044b09a6351db40fe1f242c70942d865ce4cd42a12f24e358f84ae790677d92d
            • MD5 SHA1 SHA512 SSDEEP TLSH

            _strxor.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI27002\Crypto\Util\_strxor.pyd
            • Size 10KB
            • SHA256 f2718adadb6e9958081dcb5570ef737c66772c166a6ad8c0401adcd9a70f46a0
            • MD5 SHA1 SHA512 SSDEEP TLSH

            VCRUNTIME140.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI27002\VCRUNTIME140.dll
            • Size 117KB
            • SHA256 052ad6a20d375957e82aa6a3c441ea548d89be0981516ca7eb306e063d5027f4
            • MD5 SHA1 SHA512 SSDEEP TLSH

            VCRUNTIME140_1.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI27002\VCRUNTIME140_1.dll
            • Size 48KB
            • SHA256 6a99bc0128e0c7d6cbbf615fcc26909565e17d4ca3451b97f8987f9c6acbc6c8
            • MD5 SHA1 SHA512 SSDEEP TLSH

            _bz2.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI27002\_bz2.pyd
            • Size 84KB
            • SHA256 64d9fbb516e08a6780dca160e40d8c6723d2a659b5ca3020de7a041305b3a3d4
            • MD5 SHA1 SHA512 SSDEEP TLSH

            _cffi_backend.cp313-win_amd64.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI27002\_cffi_backend.cp313-win_amd64.pyd
            • Size 176KB
            • SHA256 d5b09da2e726b4e90cf0edad5d2a0ec52f369dfd060e14d3807a32b2205031fa
            • MD5 SHA1 SHA512 SSDEEP TLSH

            _ctypes.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI27002\_ctypes.pyd
            • Size 131KB
            • SHA256 b9c9e713f11e111daa55e4a62a135d7e385fa7aa0986d30b286d000e122b13aa
            • MD5 SHA1 SHA512 SSDEEP TLSH

            _hashlib.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI27002\_hashlib.pyd
            • Size 67KB
            • SHA256 1e079c6b44488e273bc62d9bcb27cec519e9916b47b8c2878ebade0772e0f484
            • MD5 SHA1 SHA512 SSDEEP TLSH

            _lzma.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI27002\_lzma.pyd
            • Size 155KB
            • SHA256 999ba26fe0b0376b7898d50ddb2f5012e7a64228e31fcdca99a4d7079df669e3
            • MD5 SHA1 SHA512 SSDEEP TLSH

            _queue.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI27002\_queue.pyd
            • Size 34KB
            • SHA256 baa5a4cec6c369efc461f7109f1e6150c0afeef8ce53dbd9d673a00093cdadf8
            • MD5 SHA1 SHA512 SSDEEP TLSH

            _socket.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI27002\_socket.pyd
            • Size 84KB
            • SHA256 7acc6c44436bf77be3c425d39f0acba03b42119513ef9db31a7039c969e056bd
            • MD5 SHA1 SHA512 SSDEEP TLSH

            _ssl.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI27002\_ssl.pyd
            • Size 177KB
            • SHA256 738c579ed151498337026ea1f5dc7688197b41b74e39f4d9de05261bb35d9206
            • MD5 SHA1 SHA512 SSDEEP TLSH

            _uuid.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI27002\_uuid.pyd
            • Size 27KB
            • SHA256 a004b7f5b07333db6c7079244c3880d57aae4bdfa56bde8bca2c530dea824cd2
            • MD5 SHA1 SHA512 SSDEEP TLSH

            _wmi.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI27002\_wmi.pyd
            • Size 38KB
            • SHA256 6793bd216b5a329689cde8b1532858d6731707ec5063897f979a81e57077402c
            • MD5 SHA1 SHA512 SSDEEP TLSH

            base_library.zip

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI27002\base_library.zip
            • Size 1.3MB
            • SHA256 0954ea4ae374b6f41dcc9813c997d0808711ea564d0016efc18fa6d4ba0302cf
            • MD5 SHA1 SHA512 SSDEEP TLSH

            md.cp313-win_amd64.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI27002\charset_normalizer\md.cp313-win_amd64.pyd
            • Size 10KB
            • SHA256 89d8172b5f460c3fd85716c9641643fd7d893365a99867df4471b017f2995695
            • MD5 SHA1 SHA512 SSDEEP TLSH

            md__mypyc.cp313-win_amd64.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI27002\charset_normalizer\md__mypyc.cp313-win_amd64.pyd
            • Size 124KB
            • SHA256 3ccacfdbf227750083980a7de0c982be26dfebac26e4fa599d1e7a5866e92a21
            • MD5 SHA1 SHA512 SSDEEP TLSH

            libcrypto-3.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI27002\libcrypto-3.dll
            • Size 5.0MB
            • SHA256 e03dd02fdcfb791981c9962827cfcf495f2a47a514c1526efb57f847a9df514a
            • MD5 SHA1 SHA512 SSDEEP TLSH

            libffi-8.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI27002\libffi-8.dll
            • Size 38KB
            • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
            • MD5 SHA1 SHA512 SSDEEP TLSH

            libssl-3.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI27002\libssl-3.dll
            • Size 776KB
            • SHA256 1e4bc0638682bfcbb36f4465d6a2e9944d917a60f05ecc8ddf9e96847e05e13f
            • MD5 SHA1 SHA512 SSDEEP TLSH

            INSTALLER

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI27002\pycparser-2.23.dist-info\INSTALLER
            • Size 4B
            • SHA256 ceebae7b8927a3227e5303cf5e0f1f7b34bb542ad7250ac03fbcde36ec2f1508
            • MD5 SHA1 SHA512

            python3.DLL

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI27002\python3.DLL
            • Size 70KB
            • SHA256 9b179a9e44badc9c9d327182996040c87be183ad4c9469645280ed3e4a2d7694
            • MD5 SHA1 SHA512 SSDEEP TLSH

            python313.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI27002\python313.dll
            • Size 5.8MB
            • SHA256 c9f98606d0d06f4e8ae75ae385021e58b57c90d4fd325c0313c8c42abe1ebf63
            • MD5 SHA1 SHA512 SSDEEP TLSH

            select.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI27002\select.pyd
            • Size 32KB
            • SHA256 01c8fef709b657b17e1db3754b05cb1070ad3e303dd531ef0f5545316df53aa2
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Lorem ipsum.txt

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI27002\setuptools\_vendor\jaraco\text\Lorem ipsum.txt
            • Size 1KB
            • SHA256 37fedcffbf73c4eb9f058f47677cb33203a436ff9390e4d38a8e01c9dad28e0b
            • MD5 SHA1 SHA512 TLSH

            unicodedata.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI27002\unicodedata.pyd
            • Size 695KB
            • SHA256 cc1f066d88c26a21808ec6053c0989d702b6d46429bb4f363e4f29b67f311c89
            • MD5 SHA1 SHA512 SSDEEP TLSH

            backend_c.cp313-win_amd64.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI27002\zstandard\backend_c.cp313-win_amd64.pyd
            • Size 513KB
            • SHA256 e05f3f106d6a907d3402a9543dbd0bef6cc28dbb63377685ebd65af87bfb03d1
            • MD5 SHA1 SHA512 SSDEEP TLSH

            winupdate.pyw

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\winupdate.pyw
            • Size 37KB
            • SHA256 3873698a35cf42119549376c619c3bf3e0b04d45ef9226e470bbf97e5cd4d1cc
            • MD5 SHA1 SHA512 SSDEEP TLSH