Overview

overview

10

Static

static

3

2026-11-10...ar.exe

windows10-2004-x64

10

2026-11-10...ar.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    10/11/2026, 04:49

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General

  • Target
    2026-11-10_ee81f56c07df4cce725374b047a3a6f4_cosmicduke_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_tofsee_vidar.exe
  • Size 2.8MB
  • Sample261110-ffslpsch74
  • SHA256 389130c5bb6b0bdf1bdb49758a4e0959142dc47fc5457368f4b36ccd6c6bcc4d
  • 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\2026-11-10_ee81f56c07df4cce725374b047a3a6f4_cosmicduke_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_tofsee_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-11-10_ee81f56c07df4cce725374b047a3a6f4_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:3244
    • C:\Windows\SysWOW64\libenv.exe
      C:\Windows\SysWOW64\libenv.exe /combine local system
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1960
  • C:\Windows\SysWOW64\urlsql.exe
    C:\Windows\SysWOW64\urlsql.exe mhv
    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:1352
  • C:\Windows\SysWOW64\libenv.exe
    C:\Windows\SysWOW64\libenv.exe
    1⤵
    • Executes dropped EXE
    PID:2136
  • C:\Windows\SysWOW64\urlsql.exe
    C:\Windows\SysWOW64\urlsql.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1780
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1780 -s 504
      2⤵
      • Program crash
      PID:3084
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1780 -s 496
      2⤵
      • Program crash
      PID:2524
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1780 -s 648
      2⤵
      • Program crash
      PID:2944
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1780 -ip 1780
    1⤵
      PID:1348
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1780 -ip 1780
      1⤵
        PID:4244
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 1780 -ip 1780
        1⤵
          PID:3744

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

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

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

              dsplib.scr
              • Path C:\Windows\SysWOW64\dsplib.scr
              • Size 2.8MB
              • SHA256 92d04e1ef964b36b83fc624d28c841133a9ef8975de76113b3ea8c1ae5b43ce1
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              libenv.exe
              • Path C:\Windows\SysWOW64\libenv.exe
              • Size 2.1MB
              • SHA256 1df1ab5317f310148d0735598491f819bd655082917b1033636bd461e0c78d23
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              urlsql.exe
              • Path C:\Windows\SysWOW64\urlsql.exe
              • Size 2.8MB
              • SHA256 6de833ba0169762654efe79a6a2e64d4f6cce1dfc8aa58c14a3a0fec3e9d8df1
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              memory/1352-81-0x0000000000400000-0x00000000005D5000-memory.dmp
              Download

              memory/1352-38-0x0000000000400000-0x00000000005D5000-memory.dmp
              Download

              memory/1352-40-0x0000000000400000-0x00000000005D5000-memory.dmp
              Download

              memory/1780-88-0x0000000000400000-0x0000000000438000-memory.dmp
              Download

              memory/1780-85-0x0000000000750000-0x0000000000798000-memory.dmp
              Download

              memory/1780-83-0x0000000000750000-0x0000000000798000-memory.dmp
              Download

              memory/1780-82-0x0000000000400000-0x00000000005D5000-memory.dmp
              Download

              memory/1780-44-0x0000000000400000-0x00000000005D5000-memory.dmp
              Download

              memory/1780-45-0x0000000000400000-0x00000000005D5000-memory.dmp
              Download

              memory/3244-3-0x00000000025B0000-0x00000000025F8000-memory.dmp
              Download

              memory/3244-1-0x0000000000400000-0x00000000005D5000-memory.dmp
              Download

              memory/3244-0-0x0000000000400000-0x00000000005D5000-memory.dmp
              Download

              memory/3244-5-0x00000000025B0000-0x00000000025F8000-memory.dmp
              Download

              memory/3244-2-0x0000000000400000-0x00000000005D5000-memory.dmp
              Download

              memory/3244-4-0x0000000000400000-0x0000000000420000-memory.dmp
              Download