Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-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 3 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
  • Program crash 3 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:4220
    • C:\Windows\SysWOW64\pcsql.exe
      C:\Windows\SysWOW64\pcsql.exe /combine local system
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3316
  • C:\Windows\SysWOW64\infcpl.exe
    C:\Windows\SysWOW64\infcpl.exe tay
    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:3084
  • C:\Windows\SysWOW64\pcsql.exe
    C:\Windows\SysWOW64\pcsql.exe
    1⤵
    • Executes dropped EXE
    PID:1532
  • C:\Windows\SysWOW64\infcpl.exe
    C:\Windows\SysWOW64\infcpl.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2100
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2100 -s 504
      2⤵
      • Program crash
      PID:5028
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2100 -s 496
      2⤵
      • Program crash
      PID:312
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2100 -s 652
      2⤵
      • Program crash
      PID:2244
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2100 -ip 2100
    1⤵
      PID:3116
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 2100 -ip 2100
      1⤵
        PID:916
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2100 -ip 2100
        1⤵
          PID:396

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

              infobj.scr

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

              objpc.exe

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

              infcpl.exe

              • Path C:\Windows\SysWOW64\infcpl.exe
              • Size 2.2MB
              • SHA256 84762014d0945e2ce9a1dadc269ea78c0405036456cdb4e40055d457a196e323
              • MD5 SHA1 SHA512 SSDEEP TLSH

              pcsql.exe

              • Path C:\Windows\SysWOW64\pcsql.exe
              • Size 803KB
              • SHA256 3ed406fcc61229c435ace3e51264f2a48f650db8a2063840adde9785959e48eb
              • MD5 SHA1 SHA512 SSDEEP TLSH

              memory/2100-41-0x0000000000400000-0x00000000005AF000-memory.dmp

              memory/2100-85-0x0000000000400000-0x0000000000438000-memory.dmp

              memory/2100-82-0x0000000000400000-0x00000000005AF000-memory.dmp

              memory/2100-80-0x0000000000400000-0x00000000005AF000-memory.dmp

              memory/2100-79-0x0000000000400000-0x00000000005AF000-memory.dmp

              memory/3084-78-0x0000000000400000-0x00000000005AF000-memory.dmp

              memory/3084-36-0x0000000000400000-0x00000000005AF000-memory.dmp

              memory/3084-35-0x0000000000400000-0x00000000005AF000-memory.dmp

              memory/4220-0-0x0000000000400000-0x00000000005AF000-memory.dmp

              memory/4220-4-0x0000000000400000-0x0000000000420000-memory.dmp

              memory/4220-1-0x0000000000400000-0x00000000005AF000-memory.dmp

              memory/4220-3-0x00000000021F0000-0x0000000002238000-memory.dmp

              memory/4220-2-0x0000000000400000-0x00000000005AF000-memory.dmp