Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    27/10/2026, 04:31

General

  • Target
    2026-10-26_e253c795f778c48c488c8b6bc13647ef_coinminer_cosmicduke_elex_redline-stealer_rhadamanthys_s.exe
  • Size 2.2MB
  • Sample261027-e5g1tsav7x
  • SHA256 a522bb90410a2ad0506a7bbbea29afebefeb5d2d21ae914be5840d316f29dc06
  • 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 4 IoCs
  • UPX dump on OEP (original entry point) 7 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\2026-10-26_e253c795f778c48c488c8b6bc13647ef_coinminer_cosmicduke_elex_redline-stealer_rhadamanthys_s.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-26_e253c795f778c48c488c8b6bc13647ef_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:3012
    • C:\Windows\SysWOW64\cmscpl.exe
      C:\Windows\SysWOW64\cmscpl.exe /combine local system
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3152
  • C:\Windows\SysWOW64\cpldsp.exe
    C:\Windows\SysWOW64\cpldsp.exe rn1
    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:3096
  • C:\Windows\SysWOW64\cpldsp.exe
    C:\Windows\SysWOW64\cpldsp.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3560
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3560 -s 668
      2⤵
      • Program crash
      PID:1512
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3560 -s 680
      2⤵
      • Program crash
      PID:1144
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3560 -s 700
      2⤵
      • Program crash
      PID:4204
  • C:\Windows\SysWOW64\cmscpl.exe
    C:\Windows\SysWOW64\cmscpl.exe
    1⤵
    • Executes dropped EXE
    PID:1952
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3560 -ip 3560
    1⤵
      PID:4528
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3560 -ip 3560
      1⤵
        PID:3836
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 3560 -ip 3560
        1⤵
          PID:4488

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

              mgrui.exe

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

              ntpdb.scr

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

              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

              cmscpl.exe

              • Path C:\Windows\SysWOW64\cmscpl.exe
              • Size 935KB
              • SHA256 81e83e6d7d3ba54f43a54a9cf7d4478c7cd331ba4c5e1a1b82f2fc6092c851d1
              • MD5 SHA1 SHA512 SSDEEP TLSH

              cpldsp.exe

              • Path C:\Windows\SysWOW64\cpldsp.exe
              • Size 2.2MB
              • SHA256 0cdc4c53301b27688359363a518dfde0a335211581adc091bcf54e85792b7fa1
              • MD5 SHA1 SHA512 SSDEEP TLSH

              lsafw.scr

              • Path C:\Windows\SysWOW64\lsafw.scr
              • Size 2.2MB
              • SHA256 8177f15a868f90da640d790c59ff3335a9b26a80fe327138af6a4069422386ff
              • MD5 SHA1 SHA512 SSDEEP TLSH

              memory/3012-2-0x0000000000400000-0x00000000005B4000-memory.dmp

              memory/3012-3-0x0000000000400000-0x00000000005B4000-memory.dmp

              memory/3012-1-0x0000000000423000-0x0000000000424000-memory.dmp

              memory/3012-5-0x0000000000400000-0x00000000005B4000-memory.dmp

              memory/3012-4-0x0000000000400000-0x0000000000420000-memory.dmp

              memory/3012-0-0x0000000000400000-0x00000000005B4000-memory.dmp

              memory/3096-37-0x0000000000400000-0x00000000005B4000-memory.dmp

              memory/3096-78-0x0000000000400000-0x00000000005B4000-memory.dmp

              memory/3560-80-0x0000000000400000-0x00000000005B4000-memory.dmp

              memory/3560-79-0x0000000002230000-0x0000000002278000-memory.dmp

              memory/3560-81-0x0000000002230000-0x0000000002278000-memory.dmp

              memory/3560-84-0x0000000000400000-0x0000000000438000-memory.dmp