Overview

overview

10

Static

static

3

2026-10-01...ar.exe

windows10-2004-x64

10

2026-10-01...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
    02/10/2026, 12:41

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General

  • Target
    2026-10-01_6ca5134d8d1c5394f992c029c493db26_cosmicduke_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_tofsee_vidar.exe
  • Size 2.3MB
  • Sample261002-pw52easfla
  • SHA256 a1740170c51ca6a2a42954d7109f4839a49ee4c2c01665f30c04fbf5609315bb
  • 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 46 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\2026-10-01_6ca5134d8d1c5394f992c029c493db26_cosmicduke_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_tofsee_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-01_6ca5134d8d1c5394f992c029c493db26_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:4664
    • C:\Windows\SysWOW64\engwin.exe
      C:\Windows\SysWOW64\engwin.exe /combine local system
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:376
  • C:\Windows\SysWOW64\cfgwdm.exe
    C:\Windows\SysWOW64\cfgwdm.exe lwa
    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:3264
  • C:\Windows\SysWOW64\cfgwdm.exe
    C:\Windows\SysWOW64\cfgwdm.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4508
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4508 -s 492
      2⤵
      • Program crash
      PID:4476
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4508 -s 644
      2⤵
      • Program crash
      PID:2820
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4508 -s 648
      2⤵
      • Program crash
      PID:4400
  • C:\Windows\SysWOW64\engwin.exe
    C:\Windows\SysWOW64\engwin.exe
    1⤵
    • Executes dropped EXE
    PID:2140
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4508 -ip 4508
    1⤵
      PID:1648
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 196 -p 4508 -ip 4508
      1⤵
        PID:1564
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4508 -ip 4508
        1⤵
          PID:516

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

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

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

              cfgwdm.exe
              • Path C:\Windows\SysWOW64\cfgwdm.exe
              • Size 2.3MB
              • SHA256 78623d4c52c66415add08ca7d230a15772af7465d9d9afe3e7f95d338bbfc28f
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              ctfid.scr
              • Path C:\Windows\SysWOW64\ctfid.scr
              • Size 2.3MB
              • SHA256 1da6a517e81638908e4bd9ef04b79a7003201ac551ff4a3d94330289039cce52
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              engwin.exe
              • Path C:\Windows\SysWOW64\engwin.exe
              • Size 879KB
              • SHA256 94b45a3c2e9421971ff87956646f3713e52c86729f9f2ecb4e9298df1873b402
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              memory/3264-37-0x0000000000400000-0x00000000005AF000-memory.dmp
              Download

              memory/3264-38-0x0000000000400000-0x00000000005AF000-memory.dmp
              Download

              memory/3264-80-0x0000000000400000-0x00000000005AF000-memory.dmp
              Download

              memory/4508-81-0x0000000000400000-0x00000000005AF000-memory.dmp
              Download

              memory/4508-41-0x0000000000400000-0x00000000005AF000-memory.dmp
              Download

              memory/4508-42-0x0000000000400000-0x00000000005AF000-memory.dmp
              Download

              memory/4508-82-0x0000000000400000-0x00000000005AF000-memory.dmp
              Download

              memory/4508-84-0x0000000000400000-0x00000000005AF000-memory.dmp
              Download

              memory/4508-87-0x0000000000400000-0x0000000000438000-memory.dmp
              Download

              memory/4664-0-0x0000000000400000-0x00000000005AF000-memory.dmp
              Download

              memory/4664-2-0x0000000000400000-0x00000000005AF000-memory.dmp
              Download

              memory/4664-1-0x0000000000400000-0x00000000005AF000-memory.dmp
              Download

              memory/4664-3-0x00000000025D0000-0x0000000002618000-memory.dmp
              Download

              memory/4664-4-0x0000000000400000-0x0000000000420000-memory.dmp
              Download