Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    03/06/2026, 02:56

General

  • Target
    2026-06-03_9c95f58a71c6d3eb794e151a4771b292_coinminer_cosmicduke_elex_redline-stealer_rhadamanthys_s.exe
  • Size 2.9MB
  • Sample260603-dfa1jsaw5p
  • SHA256 db173b61ac549306aeb8295ded5975c01ff0d870f109d3775bfaf1b6e166e66b
  • 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 5 IoCs
  • Custom signature
    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\2026-06-03_9c95f58a71c6d3eb794e151a4771b292_coinminer_cosmicduke_elex_redline-stealer_rhadamanthys_s.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-03_9c95f58a71c6d3eb794e151a4771b292_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:716
    • C:\Windows\SysWOW64\objdns.exe
      C:\Windows\SysWOW64\objdns.exe /combine local system
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4980
  • C:\Windows\SysWOW64\objdns.exe
    C:\Windows\SysWOW64\objdns.exe
    1⤵
    • Executes dropped EXE
    PID:3456
  • C:\Windows\SysWOW64\liblsa.exe
    C:\Windows\SysWOW64\liblsa.exe zf0
    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:1972
  • C:\Windows\SysWOW64\liblsa.exe
    C:\Windows\SysWOW64\liblsa.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1968
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1968 -s 532
      2⤵
      • Program crash
      PID:2872
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1968 -s 528
      2⤵
      • Program crash
      PID:4008
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1968 -s 692
      2⤵
      • Program crash
      PID:2796
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1968 -ip 1968
    1⤵
      PID:5984
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1968 -ip 1968
      1⤵
        PID:768
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1968 -ip 1968
        1⤵
          PID:1984

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              apiinf.scr

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

              lsaudf.exe

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

              liblsa.exe

              • Path C:\Windows\SysWOW64\liblsa.exe
              • Size 2.9MB
              • SHA256 333133a4218680386921e47d500f8bfedf992d7d4ee77155c4d849ea0a5c4dc1
              • MD5 SHA1 SHA512 SSDEEP TLSH

              objdns.exe

              • Path C:\Windows\SysWOW64\objdns.exe
              • Size 662KB
              • SHA256 86d45e0f7d6ea6e0dd930632c1aae29580cc9fe563ca7d4efc0daceaab60a220
              • MD5 SHA1 SHA512 SSDEEP TLSH

              memory/716-2-0x0000000000400000-0x00000000005DA000-memory.dmp

              memory/716-3-0x0000000000400000-0x00000000005DA000-memory.dmp

              memory/716-5-0x0000000000400000-0x00000000005DA000-memory.dmp

              memory/716-0-0x0000000000400000-0x00000000005DA000-memory.dmp

              memory/716-4-0x0000000000400000-0x0000000000420000-memory.dmp

              memory/716-1-0x0000000000423000-0x0000000000424000-memory.dmp

              memory/1968-41-0x0000000000400000-0x00000000005DA000-memory.dmp

              memory/1968-79-0x0000000000400000-0x00000000005DA000-memory.dmp

              memory/1968-84-0x0000000000400000-0x0000000000438000-memory.dmp

              memory/1972-36-0x0000000000400000-0x00000000005DA000-memory.dmp

              memory/1972-77-0x0000000000400000-0x00000000005DA000-memory.dmp

              memory/1972-78-0x0000000000400000-0x00000000005DA000-memory.dmp

              memory/1972-81-0x0000000000400000-0x00000000005DA000-memory.dmp