Analysis

  • user interaction
    yes
  • max time kernel
    286s
  • max time network
    203s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/08/2026, 03:56

General

  • Target
    retrac external.exe
  • Size 31.6MB
  • Sample260801-ehhzlsdq7w
  • SHA256 c541f247be7eb37323de1f23a4ec3c3a481fc2a6dbc8b8596d28fbdfb4b7aa0e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 31 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Looks up external IP address via web service 1 TTPs 2 IoCs

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

  • Obfuscated Files or Information: Command Obfuscation 1 TTPs

    Adversaries may obfuscate content during command execution to impede detection.

  • Discovers running processes 1 TTPs 1 IoCs

    Running process information can be used to identify security tools or plan follow-on actions.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Detects Pyinstaller 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Executes a command shell one-liner 1 TTPs 8 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Detects videocard installed 1 TTPs 1 IoCs

    Uses WMIC.exe to determine videocard installed.

  • Kills process with taskkill 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\retrac external.exe
    "C:\Users\Admin\AppData\Local\Temp\retrac external.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4896
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "PAAjAGEAaABzACMAPgBBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAAPAAjAHIAaABkACMAPgAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAAPAAjAG0AeQBjACMAPgAgAC0ARgBvAHIAYwBlACAAPAAjAG0AZQBkACMAPgA="
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2968
    • C:\Users\Admin\AppData\Local\Temp\Retrac.exe
      "C:\Users\Admin\AppData\Local\Temp\Retrac.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3352
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c pause
        3⤵
        • Executes a command shell one-liner
        PID:6016
    • C:\Users\Admin\AppData\Local\Temp\Retrac dll.exe
      "C:\Users\Admin\AppData\Local\Temp\Retrac dll.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4388
      • C:\Users\Admin\AppData\Local\Temp\navi stealer.exe
        "C:\Users\Admin\AppData\Local\Temp\navi stealer.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:1460
        • C:\Users\Admin\AppData\Local\Temp\navi stealer.exe
          "C:\Users\Admin\AppData\Local\Temp\navi stealer.exe"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:3012
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c "tasklist"
            5⤵
            • Executes a command shell one-liner
            • Suspicious use of WriteProcessMemory
            PID:1956
            • C:\Windows\system32\tasklist.exe
              tasklist
              6⤵
              • Discovers running processes
              • Suspicious use of AdjustPrivilegeToken
              PID:2968
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c taskkill /F /IM chrome.exe /T >nul 2>&1
            5⤵
            • Executes a command shell one-liner
            • Suspicious use of WriteProcessMemory
            PID:2352
            • C:\Windows\system32\taskkill.exe
              taskkill /F /IM chrome.exe /T
              6⤵
              • Kills process with taskkill
              • Suspicious use of AdjustPrivilegeToken
              PID:3664
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c taskkill /F /IM msedge.exe /T >nul 2>&1
            5⤵
            • Executes a command shell one-liner
            • Suspicious use of WriteProcessMemory
            PID:3928
            • C:\Windows\system32\taskkill.exe
              taskkill /F /IM msedge.exe /T
              6⤵
              • Kills process with taskkill
              • Suspicious use of AdjustPrivilegeToken
              PID:1296
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c taskkill /F /IM brave.exe /T >nul 2>&1
            5⤵
            • Executes a command shell one-liner
            • Suspicious use of WriteProcessMemory
            PID:2996
            • C:\Windows\system32\taskkill.exe
              taskkill /F /IM brave.exe /T
              6⤵
              • Kills process with taskkill
              • Suspicious use of AdjustPrivilegeToken
              PID:5632
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c taskkill /F /IM opera.exe /T >nul 2>&1
            5⤵
            • Executes a command shell one-liner
            • Suspicious use of WriteProcessMemory
            PID:2592
            • C:\Windows\system32\taskkill.exe
              taskkill /F /IM opera.exe /T
              6⤵
              • Kills process with taskkill
              • Suspicious use of AdjustPrivilegeToken
              PID:3196
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c "wmic path win32_VideoController get name"
            5⤵
            • Executes a command shell one-liner
            • Suspicious use of WriteProcessMemory
            PID:1160
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic path win32_VideoController get name
              6⤵
              • Detects videocard installed
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:5384
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c "wmic computersystem get totalphysicalmemory"
            5⤵
            • Executes a command shell one-liner
            • Suspicious use of WriteProcessMemory
            PID:268
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic computersystem get totalphysicalmemory
              6⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:4592

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        Retrac dll.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Retrac dll.exe
        • Size 31.1MB
        • SHA256 e8f5ae4481c962658754de7ae2dd850260014ab3ad8c48068179fbf55bca357c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Retrac.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Retrac.exe
        • Size 501KB
        • SHA256 b473c3e7fe0736531be831543e89e4c20831325399bd3b4868ae8f7e06858b9a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _cpuid_c.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI14602\Crypto\Util\_cpuid_c.pyd
        • Size 10KB
        • SHA256 2af984819d9b1f95132520901b355eb85aa24d5efc6fc5ae9e77252ed03b7f4b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        VCRUNTIME140.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI14602\VCRUNTIME140.dll
        • Size 117KB
        • SHA256 052ad6a20d375957e82aa6a3c441ea548d89be0981516ca7eb306e063d5027f4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        VCRUNTIME140_1.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI14602\VCRUNTIME140_1.dll
        • Size 48KB
        • SHA256 6a99bc0128e0c7d6cbbf615fcc26909565e17d4ca3451b97f8987f9c6acbc6c8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _bz2.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI14602\_bz2.pyd
        • Size 85KB
        • SHA256 a4be36fffeefa8b24c1234d548da8f05558aba53c2ea7d1d2614776eaad8fbf4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _ctypes.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI14602\_ctypes.pyd
        • Size 139KB
        • SHA256 f8a9f7831e81b2bfba12456e589f8198114f24986bd527ac231a844565afcddb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _hashlib.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI14602\_hashlib.pyd
        • Size 67KB
        • SHA256 d4524b261f09806a828c62fc97e8517328b23d65ab87d20706a4bafd86bbf345
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _lzma.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI14602\_lzma.pyd
        • Size 157KB
        • SHA256 f7ad11fbbb7aeaf7b6566a532a3243e3ae5f92bac480dbe5c2ef300fe2c1dabe
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _queue.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI14602\_queue.pyd
        • Size 35KB
        • SHA256 cb529f77bc4665dfa3b66fae3d00ab84de1e9618d0cb94900efbf28527623c0f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _socket.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI14602\_socket.pyd
        • Size 85KB
        • SHA256 ff3e97cd11bdc68798e5b3dcd5295d1efba179b7344142d50d066bbf1c2d79cd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _sqlite3.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI14602\_sqlite3.pyd
        • Size 129KB
        • SHA256 c6d7bcea0084bcfa3c487bd7040350ee7c77f4108ce74b964f760133b2a7a6b2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _ssl.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI14602\_ssl.pyd
        • Size 180KB
        • SHA256 43e60bbdff2fe41701f39fa25ea6a8251a2b7623ff18f980a209a451eb5e648f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _uuid.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI14602\_uuid.pyd
        • Size 27KB
        • SHA256 fc7406772b43caa3b6f41c690753792188b1c14c36a723d49e9276b7457696ce
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _wmi.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI14602\_wmi.pyd
        • Size 39KB
        • SHA256 5a7f3444f1c2f85fb5573bc330c1aea2c583912bb6f948ff81f8fd89a30e67be
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _zstd.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI14602\_zstd.pyd
        • Size 491KB
        • SHA256 536a3b521a3c42d2827ece0ccfbe40b83a2fd96a0f5496cd60b943b10e1266d4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ada92cb5d92a588d1b93__mypyc.cp314-win_amd64.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI14602\ada92cb5d92a588d1b93__mypyc.cp314-win_amd64.pyd
        • Size 218KB
        • SHA256 3048af5864e17f79410273b3074416d67473eae22b3d7d1b7b58f24a506f82ed
        • MD5 SHA1 SHA512 SSDEEP TLSH

        base_library.zip

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI14602\base_library.zip
        • Size 1.3MB
        • SHA256 f95944a95b1ac7e1d17ba1cc623afc5afe2d55fb493c2ce0a268e0cf9e246523
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cd.cp314-win_amd64.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI14602\charset_normalizer\cd.cp314-win_amd64.pyd
        • Size 10KB
        • SHA256 032b490f6b42a0928b3cb6e17fd4caf8a6becaaf05739c4fe41267dcf890c278
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libcrypto-3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI14602\libcrypto-3.dll
        • Size 5.0MB
        • SHA256 e03dd02fdcfb791981c9962827cfcf495f2a47a514c1526efb57f847a9df514a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libffi-8.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI14602\libffi-8.dll
        • Size 38KB
        • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libssl-3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI14602\libssl-3.dll
        • Size 776KB
        • SHA256 1e4bc0638682bfcbb36f4465d6a2e9944d917a60f05ecc8ddf9e96847e05e13f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI14602\python3.dll
        • Size 72KB
        • SHA256 be1017ca4ca8ff837efbb343d5c8f739bd67bd1c43fb41068a539b19357c0213
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python314.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI14602\python314.dll
        • Size 6.4MB
        • SHA256 1ac15e2224581fc678bbd17728b9aa538d47b891b72c76499ef07e54cd74f151
        • MD5 SHA1 SHA512 SSDEEP TLSH

        pywintypes314.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI14602\pywin32_system32\pywintypes314.dll
        • Size 133KB
        • SHA256 e62808f40462f8066c8d19811cebd15467de6992b1cb48be5f5903910f5395f7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        select.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI14602\select.pyd
        • Size 32KB
        • SHA256 05734bd352ce60c944d474aa62468cc5eebf400097f1d9d0c453d37aed26fcca
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Lorem ipsum.txt

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI14602\setuptools\_vendor\jaraco\text\Lorem ipsum.txt
        • Size 1KB
        • SHA256 37fedcffbf73c4eb9f058f47677cb33203a436ff9390e4d38a8e01c9dad28e0b
        • MD5 SHA1 SHA512 TLSH

        sqlite3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI14602\sqlite3.dll
        • Size 1.5MB
        • SHA256 bf85c9ae8a9eda75ce45dee2d325aabc4426557c5223b38cb4271f860cc808c2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ucrtbase.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI14602\ucrtbase.dll
        • Size 1.3MB
        • SHA256 2e5fb14b7bf8540278f3614a12f0226e56a7cc9e64b81cbd976c6fcf2f71cbfb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        unicodedata.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI14602\unicodedata.pyd
        • Size 740KB
        • SHA256 4445b894f836e89a8b9fdcc88b5e59fbc76aca805baaf40aeb69e869978d4e6d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        win32crypt.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI14602\win32\win32crypt.pyd
        • Size 123KB
        • SHA256 1144670ad8271e4d477167bcb55b8ec38e8ad9f02c6fbfe66024e67083da2131
        • MD5 SHA1 SHA512 SSDEEP TLSH

        navi stealer.exe

        • Path C:\Users\Admin\AppData\Local\Temp\navi stealer.exe
        • Size 31.1MB
        • SHA256 25a336aaf9da0adff4a7274f53d412f458edf141cfc24f4cd30e1506216e2c58
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2968-35-0x0000000006540000-0x0000000006560000-memory.dmp

        memory/2968-32-0x00000000703B0000-0x00000000703FC000-memory.dmp

        memory/2968-37-0x0000000007900000-0x0000000007F7C000-memory.dmp

        memory/2968-36-0x0000000007160000-0x0000000007203000-memory.dmp

        memory/2968-19-0x00000000739A0000-0x000000007415C000-memory.dmp

        memory/2968-17-0x00000000739A0000-0x000000007415C000-memory.dmp

        memory/2968-18-0x0000000005220000-0x000000000586A000-memory.dmp

        memory/2968-16-0x0000000002710000-0x0000000002746000-memory.dmp

        memory/2968-20-0x0000000005180000-0x00000000051A2000-memory.dmp

        memory/2968-38-0x00000000072C0000-0x00000000072DA000-memory.dmp

        memory/2968-39-0x0000000007340000-0x000000000734A000-memory.dmp

        memory/2968-40-0x0000000007540000-0x00000000075D6000-memory.dmp

        memory/2968-31-0x0000000006560000-0x0000000006596000-memory.dmp

        memory/2968-22-0x0000000005A10000-0x0000000005A76000-memory.dmp

        memory/2968-27-0x0000000005F80000-0x0000000005FCC000-memory.dmp

        memory/2968-26-0x0000000005F40000-0x0000000005F5E000-memory.dmp

        memory/2968-42-0x00000000739A0000-0x000000007415C000-memory.dmp

        memory/2968-21-0x00000000059A0000-0x0000000005A06000-memory.dmp

        memory/2968-23-0x0000000005A80000-0x0000000005DDB000-memory.dmp

        memory/2968-9-0x00000000739B2000-0x00000000739B3000-memory.dmp