Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    28/07/2026, 16:06

General

  • Target
    2026-07-28_4e4ab7e3e16b1f8ff1322790f70ad3e9_cosmicduke_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_tofsee_vidar.exe
  • Size 2.2MB
  • Sample260728-tkdv1aab44
  • SHA256 84762014d0945e2ce9a1dadc269ea78c0405036456cdb4e40055d457a196e323
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: CosmicDuke,TinyBaron

    CosmicDuke aka TinyBaron is an information stealer used by the APT29 group.

  • Detects CosmicDuke or TinyBaron 1 IoCs
  • Executes dropped EXE 4 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates connected drives 3 TTPs 42 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 16 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Modifies Control Panel 5 IoCs
  • Modifies data under HKEY_USERS 12 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-28_4e4ab7e3e16b1f8ff1322790f70ad3e9_cosmicduke_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_tofsee_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-28_4e4ab7e3e16b1f8ff1322790f70ad3e9_cosmicduke_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_tofsee_vidar.exe"
    1⤵
    • Accesses Microsoft Outlook profiles
    • Enumerates connected drives
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies Control Panel
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • outlook_win_path
    PID:3624
    • C:\Windows\SysWOW64\ipinf.exe
      C:\Windows\SysWOW64\ipinf.exe /combine local system
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3592
  • C:\Windows\SysWOW64\ipinf.exe
    C:\Windows\SysWOW64\ipinf.exe
    1⤵
    • Executes dropped EXE
    PID:4876
  • C:\Windows\SysWOW64\wineng.exe
    "C:\Windows\SysWOW64\wineng.exe" 2dg
    1⤵
    • Executes dropped EXE
    • Enumerates connected drives
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    PID:3724
  • C:\Windows\SysWOW64\wineng.exe
    C:\Windows\SysWOW64\wineng.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:260

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        dhcpwdm.scr

        • Path C:\Users\Admin\AppData\Local\Temp\dhcpwdm.scr
        • Size 3KB
        • SHA256 47f3405ab0da5af125bcc6ebb6d17a1573b090c54d7a0a00630ec170ccc4b9d1
        • MD5 SHA1 SHA512 TLSH

        ntuser{4CB43D7F-7DCA-4906-8698-FFFFFFFF8094E303}.pol

        • Path C:\Users\Public\Documents\ntuser{4CB43D7F-7DCA-4906-8698-FFFFFFFF8094E303}.pol
        • Size 4B
        • SHA256 443c07a2c83b7b0253a325d2b72ac757c3aa5b41cd749842bc74fb3ee9b26866
        • MD5 SHA1 SHA512

        ipinf.exe

        • Path C:\Windows\SysWOW64\ipinf.exe
        • Size 1.7MB
        • SHA256 19c2926014b816a374c8b8bd21887cd9e35ecd9d96f8147d2c7a1667bde3e072
        • MD5 SHA1 SHA512 SSDEEP TLSH

        wineng.exe

        • Path C:\Windows\SysWOW64\wineng.exe
        • Size 2.2MB
        • SHA256 7c5efe6cab1ebe4c2ef689969d684215997bab9bfcc365c10e2a6e07325b518a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/260-36-0x0000000000400000-0x00000000005AF000-memory.dmp

        memory/260-77-0x0000000002290000-0x00000000022D8000-memory.dmp

        memory/260-35-0x0000000000400000-0x00000000005AF000-memory.dmp

        memory/260-79-0x0000000000400000-0x0000000000438000-memory.dmp

        memory/260-74-0x0000000000400000-0x00000000005AF000-memory.dmp

        memory/260-75-0x0000000002290000-0x00000000022D8000-memory.dmp

        memory/3624-4-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/3624-3-0x0000000002390000-0x00000000023D8000-memory.dmp

        memory/3624-2-0x0000000000400000-0x00000000005AF000-memory.dmp

        memory/3624-0-0x0000000000400000-0x00000000005AF000-memory.dmp

        memory/3624-1-0x0000000000400000-0x00000000005AF000-memory.dmp

        memory/3724-32-0x0000000000400000-0x00000000005AF000-memory.dmp

        memory/3724-73-0x0000000000400000-0x00000000005AF000-memory.dmp