Overview

overview

10

Static

static

3

2026-10-17...ee.exe

windows10-2004-x64

10

2026-10-17...ee.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    19/10/2026, 11:44

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General

  • Target
    2026-10-17_0dd44ef30dbcc2648181d5ea4fa5209a_cosmicduke_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_tofsee.exe
  • Size 2.2MB
  • Sample261019-nwcjesfd78
  • SHA256 562667b962fb684972bd7deaa5ef1da9bf26a5289ddb200db42ed35c23b9489f
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
apt29aptcollectiondefense_evasiondiscoverycosmicdukespywarestealer

Malware Config

Signatures

  • Family: CosmicDuke,TinyBaron

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

    stealercosmicduke
  • Detects CosmicDuke or TinyBaron 3 IoCs
    stealeraptapt29
  • 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.

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

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

    discovery
  • 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.

    discovery
  • Modifies Control Panel 5 IoCs
    defense_evasion
  • 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\2026-10-17_0dd44ef30dbcc2648181d5ea4fa5209a_cosmicduke_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-17_0dd44ef30dbcc2648181d5ea4fa5209a_cosmicduke_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_tofsee.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:1984
    • C:\Windows\SysWOW64\envcms.exe
      C:\Windows\SysWOW64\envcms.exe /combine local system
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4020
  • C:\Windows\SysWOW64\envcms.exe
    C:\Windows\SysWOW64\envcms.exe
    1⤵
    • Executes dropped EXE
    PID:5452
  • C:\Windows\SysWOW64\sysapi.exe
    "C:\Windows\SysWOW64\sysapi.exe" vcw
    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:5768
  • C:\Windows\SysWOW64\sysapi.exe
    C:\Windows\SysWOW64\sysapi.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4544
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:1804

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          cmsip.exe
          • Path C:\Users\Admin\AppData\Local\Temp\cmsip.exe
          • Size 5KB
          • SHA256 5b50e26a01b320f05d66727e9d220d5858cdac203ff62e4b9ced1cafc2683637
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

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

          ntuser{4CB43D7F-7DCA-4906-8698-FFFFFFFF80CD9101}.pol
          • Path C:\Users\Public\Documents\ntuser{4CB43D7F-7DCA-4906-8698-FFFFFFFF80CD9101}.pol
          • Size 4B
          • SHA256 443c07a2c83b7b0253a325d2b72ac757c3aa5b41cd749842bc74fb3ee9b26866
          • MD5 SHA1 SHA512
          Submit Download

          envcms.exe
          • Path C:\Windows\SysWOW64\envcms.exe
          • Size 627KB
          • SHA256 483340cc736dfb13a200236090f8be89fa934328a0d00a46d399930211fd070c
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          sysapi.exe
          • Path C:\Windows\SysWOW64\sysapi.exe
          • Size 2.2MB
          • SHA256 c12826f17c71b4d7140f70af0f3f6a72df22f30a420cd8e6e3a6e2a39453b554
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/1984-1-0x0000000000400000-0x00000000005AF000-memory.dmp
          Download

          memory/1984-2-0x00000000008B0000-0x00000000008F8000-memory.dmp
          Download

          memory/1984-3-0x0000000000400000-0x0000000000420000-memory.dmp
          Download

          memory/1984-0-0x0000000000400000-0x00000000005AF000-memory.dmp
          Download

          memory/4544-74-0x0000000000400000-0x00000000005AF000-memory.dmp
          Download

          memory/4544-37-0x0000000000400000-0x00000000005AF000-memory.dmp
          Download

          memory/4544-75-0x0000000000400000-0x00000000005AF000-memory.dmp
          Download

          memory/4544-77-0x0000000000400000-0x00000000005AF000-memory.dmp
          Download

          memory/4544-79-0x0000000000400000-0x0000000000438000-memory.dmp
          Download

          memory/5768-73-0x0000000000400000-0x00000000005AF000-memory.dmp
          Download

          memory/5768-32-0x0000000000400000-0x00000000005AF000-memory.dmp
          Download