Overview

overview

10

Static

static

3

2026-10-03...ar.exe

windows10-2004-x64

10

2026-10-03...ar.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    03/10/2026, 22:25

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    2026-10-03_fef881e5030e3eda99dba2d1fb9b10cd_cosmicduke_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_tofsee_vidar.exe
  • Size 2.0MB
  • Sample261003-2cd5ssyz5j
  • SHA256 310c1073c2cd0d46a10c7304a11c0430bd57d10677cb0a6f3c019bb89e5725ad
  • 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 3 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 64 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\2026-10-03_fef881e5030e3eda99dba2d1fb9b10cd_cosmicduke_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_tofsee_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-03_fef881e5030e3eda99dba2d1fb9b10cd_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:772
    • C:\Windows\SysWOW64\ntinf.exe
      C:\Windows\SysWOW64\ntinf.exe /combine local system
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1856
  • C:\Windows\SysWOW64\pdbhost.exe
    C:\Windows\SysWOW64\pdbhost.exe 4kz
    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:4948
  • C:\Windows\SysWOW64\ntinf.exe
    C:\Windows\SysWOW64\ntinf.exe
    1⤵
    • Executes dropped EXE
    PID:2360
  • C:\Windows\SysWOW64\pdbhost.exe
    C:\Windows\SysWOW64\pdbhost.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4900
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4900 -s 504
      2⤵
      • Program crash
      PID:2304
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4900 -s 496
      2⤵
      • Program crash
      PID:3124
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4900 -s 648
      2⤵
      • Program crash
      PID:4252
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4900 -ip 4900
    1⤵
      PID:4348
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4900 -ip 4900
      1⤵
        PID:440
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4900 -ip 4900
        1⤵
          PID:2772

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

              Loading Replay Monitor...

              Downloads

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

              libcfg.exe
              • Path C:\Users\Admin\AppData\Local\Temp\libcfg.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

              ntenv.scr
              • Path C:\Windows\SysWOW64\ntenv.scr
              • Size 2.0MB
              • SHA256 df0d587f4bfafb28486f2e9e4ab86a8888c7fc8ca972381cbc5c283ea907fec7
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              ntinf.exe
              • Path C:\Windows\SysWOW64\ntinf.exe
              • Size 1.7MB
              • SHA256 1b21b0335f15715edf0692bd6f56c2db7e2ed53d47e3a471818ca3bffcd1211a
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              pdbhost.exe
              • Path C:\Windows\SysWOW64\pdbhost.exe
              • Size 2.0MB
              • SHA256 df5cbac3daa3f6aa69de6eee1ddfea5445b0aab3925e5c8f4246bb4725c707f7
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              memory/772-6-0x0000000002630000-0x0000000002678000-memory.dmp
              Download

              memory/772-1-0x0000000000400000-0x00000000005D5000-memory.dmp
              Download

              memory/772-5-0x0000000000400000-0x0000000000420000-memory.dmp
              Download

              memory/772-3-0x0000000000400000-0x00000000005D5000-memory.dmp
              Download

              memory/772-4-0x0000000002630000-0x0000000002678000-memory.dmp
              Download

              memory/772-0-0x0000000000400000-0x00000000005D5000-memory.dmp
              Download

              memory/4900-44-0x0000000000400000-0x00000000005D5000-memory.dmp
              Download

              memory/4900-43-0x0000000000400000-0x00000000005D5000-memory.dmp
              Download

              memory/4900-83-0x00000000022B0000-0x00000000022F8000-memory.dmp
              Download

              memory/4900-86-0x00000000022B0000-0x00000000022F8000-memory.dmp
              Download

              memory/4900-89-0x0000000000400000-0x0000000000438000-memory.dmp
              Download

              memory/4948-39-0x0000000000400000-0x00000000005D5000-memory.dmp
              Download

              memory/4948-81-0x0000000000400000-0x00000000005D5000-memory.dmp
              Download

              memory/4948-82-0x0000000000400000-0x00000000005D5000-memory.dmp
              Download

              memory/4948-85-0x0000000000400000-0x00000000005D5000-memory.dmp
              Download