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
    03/05/2026, 16:48

General

  • Target
    2026-05-03_51a022c56967ca6ea9e65603ac156337_coinminer_cosmicduke_elex_redline-stealer_rhadamanthys_s.exe
  • Size 2.5MB
  • Sample260503-vbf5fahs3l
  • SHA256 8d9c7ec63fb1ea57e5426b9b212114bc0b323cbbdfc823cdb9d912cf7d0db3f6
  • 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 2 IoCs
  • UPX dump on OEP (original entry point) 6 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\2026-05-03_51a022c56967ca6ea9e65603ac156337_coinminer_cosmicduke_elex_redline-stealer_rhadamanthys_s.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-03_51a022c56967ca6ea9e65603ac156337_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:568
    • C:\Windows\SysWOW64\objctf.exe
      C:\Windows\SysWOW64\objctf.exe /combine local system
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:5068
  • C:\Windows\SysWOW64\ntlsa.exe
    C:\Windows\SysWOW64\ntlsa.exe rhl
    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:816
  • C:\Windows\SysWOW64\objctf.exe
    C:\Windows\SysWOW64\objctf.exe
    1⤵
    • Executes dropped EXE
    PID:2076
  • C:\Windows\SysWOW64\ntlsa.exe
    C:\Windows\SysWOW64\ntlsa.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4028
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4028 -s 612
      2⤵
      • Program crash
      PID:3012
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4028 -s 496
      2⤵
      • Program crash
      PID:3856
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4028 -s 668
      2⤵
      • Program crash
      PID:3832
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4028 -ip 4028
    1⤵
      PID:1260
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4028 -ip 4028
      1⤵
        PID:4460
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 4028 -ip 4028
        1⤵
          PID:2040

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

              dsppdb.scr

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

              ntlsa.exe

              • Path C:\Windows\SysWOW64\ntlsa.exe
              • Size 2.5MB
              • SHA256 f5cc3684e6280e9cae94c13e88eac08be97b4524edf9a326fe277afecfa8befa
              • MD5 SHA1 SHA512 SSDEEP TLSH

              objctf.exe

              • Path C:\Windows\SysWOW64\objctf.exe
              • Size 1.6MB
              • SHA256 3d3e3f480c32f420df3e9a998fcf886038c43f533d11ea1da742759f523e3f75
              • MD5 SHA1 SHA512 SSDEEP TLSH

              memory/568-5-0x0000000000400000-0x00000000005B4000-memory.dmp

              memory/568-4-0x0000000000400000-0x0000000000420000-memory.dmp

              memory/568-3-0x0000000000400000-0x00000000005B4000-memory.dmp

              memory/568-2-0x0000000000400000-0x00000000005B4000-memory.dmp

              memory/568-1-0x0000000000423000-0x0000000000424000-memory.dmp

              memory/568-0-0x0000000000400000-0x00000000005B4000-memory.dmp

              memory/568-76-0x00000000004D0000-0x00000000004E9000-memory.dmp

              memory/568-77-0x0000000000510000-0x000000000058E000-memory.dmp

              memory/568-78-0x0000000003360000-0x00000000033A7000-memory.dmp

              memory/816-142-0x00000000004D0000-0x00000000004E9000-memory.dmp

              memory/816-79-0x0000000000400000-0x00000000005B4000-memory.dmp

              memory/816-143-0x00000000013D0000-0x0000000001417000-memory.dmp

              memory/816-144-0x0000000001DA0000-0x0000000001E1E000-memory.dmp

              memory/4028-39-0x0000000000400000-0x00000000005B4000-memory.dmp

              memory/4028-88-0x0000000000400000-0x0000000000438000-memory.dmp

              memory/4028-86-0x00000000025D0000-0x0000000002618000-memory.dmp

              memory/4028-80-0x0000000000400000-0x00000000005B4000-memory.dmp

              memory/4028-81-0x00000000025D0000-0x0000000002618000-memory.dmp