Analysis

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

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    27/07/2026, 15:01

General

  • Target
    2026-07-27_0633f95d65f85e06ed393ba36046e908_coinminer_cosmicduke_elex_redline-stealer_rhadamanthys_s.exe
  • Size 2.9MB
  • Sample260727-sd2stawsbs
  • SHA256 e4d1c30007d52c379d53a2130ee95d7f0144e2eb9467eb78938f3e2c7fa920f0
  • 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) 10 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 8 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\2026-07-27_0633f95d65f85e06ed393ba36046e908_coinminer_cosmicduke_elex_redline-stealer_rhadamanthys_s.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-27_0633f95d65f85e06ed393ba36046e908_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:436
    • C:\Windows\SysWOW64\ntpdb.exe
      C:\Windows\SysWOW64\ntpdb.exe /combine local system
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2720
  • C:\Windows\SysWOW64\dhcppptp.exe
    C:\Windows\SysWOW64\dhcppptp.exe m1y
    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:4800
  • C:\Windows\SysWOW64\ntpdb.exe
    C:\Windows\SysWOW64\ntpdb.exe
    1⤵
    • Executes dropped EXE
    PID:2832
  • C:\Windows\SysWOW64\dhcppptp.exe
    C:\Windows\SysWOW64\dhcppptp.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4736
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4736 -s 504
      2⤵
      • Program crash
      PID:1016
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4736 -s 656
      2⤵
      • Program crash
      PID:1876
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4736 -s 672
      2⤵
      • Program crash
      PID:2912
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4736 -ip 4736
    1⤵
      PID:4476
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 4736 -ip 4736
      1⤵
        PID:1896
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 4736 -ip 4736
        1⤵
          PID:3612

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

              cmssql.scr

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

              dhcppptp.exe

              • Path C:\Windows\SysWOW64\dhcppptp.exe
              • Size 2.9MB
              • SHA256 c401e6a4b2d40a1b45b70066eb0d79284ab4368e8beecc72bcb27da1635b582b
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ntpdb.exe

              • Path C:\Windows\SysWOW64\ntpdb.exe
              • Size 1.7MB
              • SHA256 a20f09956a06474256470ad2b96f56a90f0a397c5c1c80cad04685a6794fb060
              • MD5 SHA1 SHA512 SSDEEP TLSH

              memory/436-4-0x0000000000400000-0x0000000000420000-memory.dmp

              memory/436-5-0x0000000000400000-0x00000000005DA000-memory.dmp

              memory/436-1-0x0000000000423000-0x0000000000424000-memory.dmp

              memory/436-3-0x0000000000400000-0x00000000005DA000-memory.dmp

              memory/436-2-0x0000000000400000-0x00000000005DA000-memory.dmp

              memory/436-0-0x0000000000400000-0x00000000005DA000-memory.dmp

              memory/4736-39-0x0000000000400000-0x00000000005DA000-memory.dmp

              memory/4736-79-0x0000000000400000-0x00000000005DA000-memory.dmp

              memory/4736-84-0x0000000000400000-0x0000000000438000-memory.dmp

              memory/4800-35-0x0000000000400000-0x00000000005DA000-memory.dmp

              memory/4800-78-0x0000000000400000-0x00000000005DA000-memory.dmp

              memory/4800-77-0x0000000000400000-0x00000000005DA000-memory.dmp

              memory/4800-81-0x0000000000400000-0x00000000005DA000-memory.dmp