Overview

overview

10

Static

static

10

2026-10-26..._s.exe

windows10-2004-x64

10

2026-10-26..._s.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    26/10/2026, 03:18

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    2026-10-26_8a547e5a1dc3038084eebb297740999c_coinminer_cosmicduke_elex_redline-stealer_rhadamanthys_s.exe
  • Size 2.5MB
  • Sample261026-dtxfpsbx5s
  • SHA256 348a6c1de67609995d2b2017938e3416bda490634c02406f0d41ed65132c63a1
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
apt29aptcollectiondefense_evasiondiscoverycosmicdukespywarestealerupx

Malware Config

Signatures

  • Family: CosmicDuke,TinyBaron

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

    stealercosmicduke
  • Detects CosmicDuke or TinyBaron 5 IoCs
    stealeraptapt29
  • 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.

    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
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • 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\2026-10-26_8a547e5a1dc3038084eebb297740999c_coinminer_cosmicduke_elex_redline-stealer_rhadamanthys_s.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-26_8a547e5a1dc3038084eebb297740999c_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:3396
    • C:\Windows\SysWOW64\wdmms.exe
      C:\Windows\SysWOW64\wdmms.exe /combine local system
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4736
  • C:\Windows\SysWOW64\wdmms.exe
    C:\Windows\SysWOW64\wdmms.exe
    1⤵
    • Executes dropped EXE
    PID:4756
  • C:\Windows\SysWOW64\pctapi.exe
    "C:\Windows\SysWOW64\pctapi.exe" agf
    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:5768
  • C:\Windows\SysWOW64\pctapi.exe
    C:\Windows\SysWOW64\pctapi.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4872
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:1956

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

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

          pctapi.exe
          • Path C:\Windows\SysWOW64\pctapi.exe
          • Size 2.5MB
          • SHA256 f724392957e9deb22a6554817a8112fa231fc3039b63d3573aecce42d2f0c3f4
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          wdmms.exe
          • Path C:\Windows\SysWOW64\wdmms.exe
          • Size 2.0MB
          • SHA256 8aa6172d17cedf8ee5dbc19e1799e246cdc6a9940e593a35224fa8d5629b9d8c
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/3396-4-0x0000000000400000-0x0000000000420000-memory.dmp
          Download

          memory/3396-5-0x0000000000400000-0x00000000005B4000-memory.dmp
          Download

          memory/3396-0-0x0000000000400000-0x00000000005B4000-memory.dmp
          Download

          memory/3396-3-0x0000000000400000-0x00000000005B4000-memory.dmp
          Download

          memory/3396-2-0x0000000000400000-0x00000000005B4000-memory.dmp
          Download

          memory/3396-1-0x0000000000423000-0x0000000000424000-memory.dmp
          Download

          memory/4872-75-0x0000000000400000-0x00000000005B4000-memory.dmp
          Download

          memory/4872-76-0x0000000000400000-0x00000000005B4000-memory.dmp
          Download

          memory/4872-78-0x0000000000400000-0x00000000005B4000-memory.dmp
          Download

          memory/4872-80-0x0000000000400000-0x0000000000438000-memory.dmp
          Download

          memory/5768-34-0x0000000000400000-0x00000000005B4000-memory.dmp
          Download

          memory/5768-74-0x0000000000400000-0x00000000005B4000-memory.dmp
          Download