Overview

overview

10

Static

static

3

2026-10-08...ar.exe

windows10-2004-x64

10

2026-10-08...ar.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    09/10/2026, 13:51

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General

  • Target
    2026-10-08_5cca1109ce8df2b75bd8cc17c64e9b46_cosmicduke_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_tofsee_vidar.exe
  • Size 2.8MB
  • Sample261009-q6cchsys8q
  • SHA256 13d8a2203b190c12f320c4080755a7d6a6ede6c2346e4c81a7ac1e3ffbd770d1
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
apt29aptcollectiondefense_evasiondiscoverycosmicdukespywarestealer

Malware Config

Signatures

  • Family: CosmicDuke,TinyBaron

    CosmicDuke aka TinyBaron is an information stealer used by the APT29 group.

    stealercosmicduke
  • Detects CosmicDuke or TinyBaron 1 IoCs
    stealeraptapt29
  • 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.

    spywarestealer
  • Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
    collection
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • 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
  • 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.

    discovery
  • Modifies Control Panel 5 IoCs
    defense_evasion
  • 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\2026-10-08_5cca1109ce8df2b75bd8cc17c64e9b46_cosmicduke_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_tofsee_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-08_5cca1109ce8df2b75bd8cc17c64e9b46_cosmicduke_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_tofsee_vidar.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:3052
    • C:\Windows\SysWOW64\dhcpeng.exe
      C:\Windows\SysWOW64\dhcpeng.exe /combine local system
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3452
  • C:\Windows\SysWOW64\svcctf.exe
    C:\Windows\SysWOW64\svcctf.exe bry
    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:4552
  • C:\Windows\SysWOW64\svcctf.exe
    C:\Windows\SysWOW64\svcctf.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1120
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1120 -s 504
      2⤵
      • Program crash
      PID:4496
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1120 -s 496
      2⤵
      • Program crash
      PID:2772
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1120 -s 660
      2⤵
      • Program crash
      PID:3132
  • C:\Windows\SysWOW64\dhcpeng.exe
    C:\Windows\SysWOW64\dhcpeng.exe
    1⤵
    • Executes dropped EXE
    PID:3788
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1120 -ip 1120
    1⤵
      PID:4524
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1120 -ip 1120
      1⤵
        PID:892
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 1120 -ip 1120
        1⤵
          PID:4792

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

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

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

              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
              Submit Download

              dhcpeng.exe
              • Path C:\Windows\SysWOW64\dhcpeng.exe
              • Size 1.5MB
              • SHA256 ceac5cecbec07dd22dc81e0bc6632bf8596cd772258ef18a8e6d41443074dd69
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              pptppc.scr
              • Path C:\Windows\SysWOW64\pptppc.scr
              • Size 2.8MB
              • SHA256 0b7c7470c04fcbba98f1e2b1676808425cc5327677fb4c6ebc88de0d4c96fe7e
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              svcctf.exe
              • Path C:\Windows\SysWOW64\svcctf.exe
              • Size 2.8MB
              • SHA256 9619c1fc655ebd493f59b1da03a8ae2d219ec621e0b07dfdfc701b9a265825da
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              memory/1120-41-0x0000000000400000-0x00000000005D5000-memory.dmp
              Download

              memory/1120-42-0x0000000000400000-0x00000000005D5000-memory.dmp
              Download

              memory/1120-81-0x0000000002650000-0x0000000002698000-memory.dmp
              Download

              memory/1120-83-0x0000000002650000-0x0000000002698000-memory.dmp
              Download

              memory/1120-85-0x0000000000400000-0x0000000000438000-memory.dmp
              Download

              memory/3052-4-0x0000000000400000-0x0000000000420000-memory.dmp
              Download

              memory/3052-2-0x0000000000400000-0x00000000005D5000-memory.dmp
              Download

              memory/3052-3-0x00000000025D0000-0x0000000002618000-memory.dmp
              Download

              memory/3052-0-0x0000000000400000-0x00000000005D5000-memory.dmp
              Download

              memory/3052-1-0x0000000000400000-0x00000000005D5000-memory.dmp
              Download

              memory/4552-38-0x0000000000400000-0x00000000005D5000-memory.dmp
              Download

              memory/4552-36-0x0000000000400000-0x00000000005D5000-memory.dmp
              Download

              memory/4552-80-0x0000000000400000-0x00000000005D5000-memory.dmp
              Download