Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    24/04/2026, 09:46

General

  • Target
    2026-04-24_29ea4bc132f185b02ffcdb24752b9feb_coinminer_cosmicduke_elex_redline-stealer_rhadamanthys_s.exe
  • Size 2.2MB
  • Sample260424-lrwqdset3t
  • SHA256 a1c2557181e7a1b47dc267ab9c3f6edea527a2aaa7644ce1b666fda16eb92425
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: MiniDuke, CosmicDuke,TinyBaron

    MiniDuke aka CosmicDuke or TinyBaron is a backdoor used by the APT29 group, written in C++.

  • Detects MiniDuke aka CosmicDuke or TinyBaron 3 IoCs
  • UPX dump on OEP (original entry point) 8 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 7 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\2026-04-24_29ea4bc132f185b02ffcdb24752b9feb_coinminer_cosmicduke_elex_redline-stealer_rhadamanthys_s.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-24_29ea4bc132f185b02ffcdb24752b9feb_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:3824
    • C:\Windows\SysWOW64\pptppdb.exe
      C:\Windows\SysWOW64\pptppdb.exe /combine local system
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3976
  • C:\Windows\SysWOW64\fshost.exe
    C:\Windows\SysWOW64\fshost.exe mhk
    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:3732
  • C:\Windows\SysWOW64\pptppdb.exe
    C:\Windows\SysWOW64\pptppdb.exe
    1⤵
    • Executes dropped EXE
    PID:3532
  • C:\Windows\SysWOW64\fshost.exe
    C:\Windows\SysWOW64\fshost.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4676
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4676 -s 656
      2⤵
      • Program crash
      PID:4952
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4676 -s 496
      2⤵
      • Program crash
      PID:3940
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4676 -s 596
      2⤵
      • Program crash
      PID:1696
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4676 -ip 4676
    1⤵
      PID:2752
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4676 -ip 4676
      1⤵
        PID:3608
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4676 -ip 4676
        1⤵
          PID:3308

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

              ipdhcp.scr

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

              fshost.exe

              • Path C:\Windows\SysWOW64\fshost.exe
              • Size 2.2MB
              • SHA256 c673404e6e795e88eb2b45b52747587bb1eb1863e25c1b16fa47aff9022e562b
              • MD5 SHA1 SHA512 SSDEEP TLSH

              pptppdb.exe

              • Path C:\Windows\SysWOW64\pptppdb.exe
              • Size 1.3MB
              • SHA256 84b02244c313f994a4658964a596e575359f364842c05e34adcb304ccfb7e061
              • MD5 SHA1 SHA512 SSDEEP TLSH

              memory/3732-35-0x0000000000400000-0x00000000005B4000-memory.dmp

              memory/3732-137-0x00000000016C0000-0x000000000171F000-memory.dmp

              memory/3732-78-0x0000000000400000-0x00000000005B4000-memory.dmp

              memory/3732-143-0x00000000016C0000-0x000000000171F000-memory.dmp

              memory/3824-5-0x0000000000400000-0x00000000005B4000-memory.dmp

              memory/3824-4-0x0000000000400000-0x0000000000420000-memory.dmp

              memory/3824-3-0x0000000000400000-0x00000000005B4000-memory.dmp

              memory/3824-2-0x0000000000400000-0x00000000005B4000-memory.dmp

              memory/3824-0-0x0000000000400000-0x00000000005B4000-memory.dmp

              memory/3824-1-0x0000000000423000-0x0000000000424000-memory.dmp

              memory/3824-77-0x0000000000510000-0x000000000056F000-memory.dmp

              memory/4676-41-0x0000000000400000-0x00000000005B4000-memory.dmp

              memory/4676-83-0x0000000002610000-0x0000000002658000-memory.dmp

              memory/4676-86-0x0000000000400000-0x0000000000438000-memory.dmp

              memory/4676-79-0x0000000000400000-0x00000000005B4000-memory.dmp

              memory/4676-80-0x0000000002610000-0x0000000002658000-memory.dmp