Analysis

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

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    22/04/2026, 15:44

General

  • Target
    2026-04-22_a7dc8f666ebb805c9d8bfdcc496e1787_coinminer_cosmicduke_elex_redline-stealer_rhadamanthys_s.exe
  • Size 2.2MB
  • Sample260422-s6y8dsav3k
  • SHA256 6ffad94eed66c686281a1fa83acf5830dae2463157a4818c2ec2fd78b9974ab9
  • 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 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 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\2026-04-22_a7dc8f666ebb805c9d8bfdcc496e1787_coinminer_cosmicduke_elex_redline-stealer_rhadamanthys_s.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-22_a7dc8f666ebb805c9d8bfdcc496e1787_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:1240
    • C:\Windows\SysWOW64\cfgapi.exe
      C:\Windows\SysWOW64\cfgapi.exe /combine local system
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1732
  • C:\Windows\SysWOW64\pptpobj.exe
    C:\Windows\SysWOW64\pptpobj.exe hka
    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:5320
  • C:\Windows\SysWOW64\cfgapi.exe
    C:\Windows\SysWOW64\cfgapi.exe
    1⤵
    • Executes dropped EXE
    PID:1100
  • C:\Windows\SysWOW64\pptpobj.exe
    C:\Windows\SysWOW64\pptpobj.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3312
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3312 -s 612
      2⤵
      • Program crash
      PID:2132
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3312 -s 500
      2⤵
      • Program crash
      PID:5520
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3312 -s 656
      2⤵
      • Program crash
      PID:5524
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3312 -ip 3312
    1⤵
      PID:3904
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3312 -ip 3312
      1⤵
        PID:4100
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3312 -ip 3312
        1⤵
          PID:5024

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              dhcpip.scr

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

              cfgapi.exe

              • Path C:\Windows\SysWOW64\cfgapi.exe
              • Size 1.4MB
              • SHA256 5c7dc1943d403f0de5fbf38fb408879993590338024804c560ef7c739355ed76
              • MD5 SHA1 SHA512 SSDEEP TLSH

              pptpobj.exe

              • Path C:\Windows\SysWOW64\pptpobj.exe
              • Size 2.2MB
              • SHA256 9c5d1f3efc551a803f06634ab9f5276ce8ee4d0632084fb4142f47fdf8bf0df9
              • MD5 SHA1 SHA512 SSDEEP TLSH

              memory/1240-0-0x0000000000400000-0x00000000005B4000-memory.dmp

              memory/1240-3-0x0000000000400000-0x00000000005B4000-memory.dmp

              memory/1240-4-0x0000000000400000-0x0000000000420000-memory.dmp

              memory/1240-19-0x0000000000540000-0x000000000059F000-memory.dmp

              memory/1240-1-0x0000000000423000-0x0000000000424000-memory.dmp

              memory/1240-2-0x0000000000400000-0x00000000005B4000-memory.dmp

              memory/1240-79-0x0000000002940000-0x0000000002A13000-memory.dmp

              memory/1240-5-0x0000000000400000-0x00000000005B4000-memory.dmp

              memory/1240-78-0x0000000000540000-0x000000000059F000-memory.dmp

              memory/3312-86-0x0000000000400000-0x00000000005B4000-memory.dmp

              memory/3312-41-0x0000000000400000-0x00000000005B4000-memory.dmp

              memory/3312-88-0x0000000000400000-0x0000000000438000-memory.dmp

              memory/3312-81-0x0000000000400000-0x00000000005B4000-memory.dmp

              memory/3312-82-0x0000000000400000-0x00000000005B4000-memory.dmp

              memory/5320-37-0x0000000000400000-0x00000000005B4000-memory.dmp

              memory/5320-80-0x0000000000400000-0x00000000005B4000-memory.dmp

              memory/5320-141-0x0000000001370000-0x00000000013CF000-memory.dmp