Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    15/09/2026, 17:46

General

  • Target
    2026-09-15_6319a0f6c906ce05d04862e4dc408f65_coinminer_cosmicduke_elex_redline-stealer_rhadamanthys_s.exe
  • Size 2.2MB
  • Sample260915-wcdalsgf33
  • SHA256 8843fb829f92f9083608264d6b96e44d98d674614949883441ccfa1e83476e6d
  • 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
  • UPX dump on OEP (original entry point) 6 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
  • UPX packed file 6 IoCs

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

  • 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\2026-09-15_6319a0f6c906ce05d04862e4dc408f65_coinminer_cosmicduke_elex_redline-stealer_rhadamanthys_s.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-15_6319a0f6c906ce05d04862e4dc408f65_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:3324
    • C:\Windows\SysWOW64\pccpl.exe
      C:\Windows\SysWOW64\pccpl.exe /combine local system
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2664
  • C:\Windows\SysWOW64\mswdm.exe
    C:\Windows\SysWOW64\mswdm.exe 51x
    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:3384
  • C:\Windows\SysWOW64\mswdm.exe
    C:\Windows\SysWOW64\mswdm.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1344
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1344 -s 504
      2⤵
      • Program crash
      PID:452
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1344 -s 496
      2⤵
      • Program crash
      PID:1640
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1344 -s 648
      2⤵
      • Program crash
      PID:4408
  • C:\Windows\SysWOW64\pccpl.exe
    C:\Windows\SysWOW64\pccpl.exe
    1⤵
    • Executes dropped EXE
    PID:4880
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1344 -ip 1344
    1⤵
      PID:3048
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1344 -ip 1344
      1⤵
        PID:1756
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 1344 -ip 1344
        1⤵
          PID:444

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

              uims.exe

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

              wmudf.scr

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

              mswdm.exe

              • Path C:\Windows\SysWOW64\mswdm.exe
              • Size 2.2MB
              • SHA256 f7d772438787db8947bf6ed3e96d7bb8d38d730d0572c8eaee4be34be7ec8c56
              • MD5 SHA1 SHA512 SSDEEP TLSH

              pccpl.exe

              • Path C:\Windows\SysWOW64\pccpl.exe
              • Size 1.2MB
              • SHA256 04afc2cf0592dcfe4e2f3cdc549fb420d7bafaae548471b483141bf09178afa8
              • MD5 SHA1 SHA512 SSDEEP TLSH

              memory/1344-39-0x0000000000400000-0x00000000005B4000-memory.dmp

              memory/1344-82-0x0000000000400000-0x0000000000438000-memory.dmp

              memory/1344-78-0x00000000025F0000-0x0000000002638000-memory.dmp

              memory/1344-77-0x0000000000400000-0x00000000005B4000-memory.dmp

              memory/3324-4-0x0000000000400000-0x00000000005B4000-memory.dmp

              memory/3324-1-0x0000000000423000-0x0000000000424000-memory.dmp

              memory/3324-3-0x0000000000400000-0x0000000000420000-memory.dmp

              memory/3324-2-0x0000000000400000-0x00000000005B4000-memory.dmp

              memory/3324-0-0x0000000000400000-0x00000000005B4000-memory.dmp

              memory/3384-35-0x0000000000400000-0x00000000005B4000-memory.dmp

              memory/3384-76-0x0000000000400000-0x00000000005B4000-memory.dmp