Analysis

  • max time kernel
    124s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/07/2026, 17:28

General

  • Target
    2026-07-01_0f0b836090a7905251a734b7c5259fe9_coinminer_cosmicduke_elex_redline-stealer_rhadamanthys_s.exe
  • Size 2.9MB
  • Sample260701-v2bmmsbt2m
  • SHA256 368a6bd049ef5be9874e1127aef30bd8de8412ab226224b970bb3e00ba0c9aba
  • 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 5 IoCs
  • UPX dump on OEP (original entry point) 5 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • 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 44 IoCs

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

  • Drops file in System32 directory 16 IoCs
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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.

  • Checks SCSI registry key(s) 3 TTPs 62 IoCs

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

  • Modifies Control Panel 5 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies data under HKEY_USERS 12 IoCs
  • Modifies registry class 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 40 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-01_0f0b836090a7905251a734b7c5259fe9_coinminer_cosmicduke_elex_redline-stealer_rhadamanthys_s.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-01_0f0b836090a7905251a734b7c5259fe9_coinminer_cosmicduke_elex_redline-stealer_rhadamanthys_s.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:2988
    • C:\Windows\SysWOW64\urltapi.exe
      C:\Windows\SysWOW64\urltapi.exe /combine local system
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3776
  • C:\Windows\SysWOW64\mgrctf.exe
    "C:\Windows\SysWOW64\mgrctf.exe" f0i
    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:2500
  • C:\Windows\SysWOW64\mgrctf.exe
    C:\Windows\SysWOW64\mgrctf.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4976
  • C:\Windows\SysWOW64\urltapi.exe
    C:\Windows\SysWOW64\urltapi.exe
    1⤵
    • Executes dropped EXE
    PID:936
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4572
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:2252
  • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
    "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:1260
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:4660
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:2436

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          prep_Activatable Class_Hermes_perf.cache

          • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
          • Size 603B
          • SHA256 76051c7134ef5b2b172ae67cc7317ea11daedcc3d11f55c52922e505f501568b
          • MD5 SHA1 SHA512 TLSH

          prep_Activatable Class_Hermes_perf.cache

          • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
          • Size 599B
          • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
          • MD5 SHA1 SHA512 TLSH

          objdsp.scr

          • Path C:\Users\Admin\AppData\Local\Temp\objdsp.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

          mgrctf.exe

          • Path C:\Windows\SysWOW64\mgrctf.exe
          • Size 2.9MB
          • SHA256 37695b3f70fd6cca8302e98e8c467a84ba31d35e29c36378d270002b12e2a56e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          urltapi.exe

          • Path C:\Windows\SysWOW64\urltapi.exe
          • Size 1.8MB
          • SHA256 4735b5e84fecccd05ace55e0fd9a40cfa91adcb2a9abbb7f7d80875636a2b238
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1260-131-0x0000027D801E0000-0x0000027D802E0000-memory.dmp

          memory/1260-195-0x0000027D94180000-0x0000027D941A0000-memory.dmp

          memory/1260-162-0x0000027D81E00000-0x0000027D81F00000-memory.dmp

          memory/1260-161-0x0000027D81BE0000-0x0000027D81C00000-memory.dmp

          memory/1260-181-0x0000027D81CE0000-0x0000027D81D00000-memory.dmp

          memory/2500-72-0x0000000000400000-0x00000000005DA000-memory.dmp

          memory/2988-0-0x0000000000400000-0x00000000005DA000-memory.dmp

          memory/2988-6-0x0000000000400000-0x00000000005DA000-memory.dmp

          memory/2988-5-0x0000000000400000-0x0000000000420000-memory.dmp

          memory/2988-4-0x0000000000400000-0x00000000005DA000-memory.dmp

          memory/2988-2-0x0000000000400000-0x00000000005DA000-memory.dmp

          memory/2988-1-0x0000000000423000-0x0000000000424000-memory.dmp

          memory/4976-74-0x0000000000400000-0x00000000005DA000-memory.dmp

          memory/4976-76-0x0000000000400000-0x00000000005DA000-memory.dmp

          memory/4976-78-0x0000000000400000-0x0000000000438000-memory.dmp

          memory/4976-73-0x0000000000400000-0x00000000005DA000-memory.dmp