Overview

overview

10

Static

static

10

2026-10-27..._s.exe

windows10-2004-x64

10

2026-10-27..._s.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    27/10/2026, 23:08

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General

  • Target
    2026-10-27_ebcd70da68e6a3b96527a5bcd373059f_coinminer_cosmicduke_elex_redline-stealer_rhadamanthys_s.exe
  • Size 2.5MB
  • Sample261027-24pevahs6k
  • SHA256 2cc42b8399985319777131c258c2a34cfbd3cb49f8032aa54dd34479c24d8742
  • 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 3 IoCs
    stealeraptapt29
  • Custom signature
    UPX dump on OEP (original entry point) 5 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 5 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\2026-10-27_ebcd70da68e6a3b96527a5bcd373059f_coinminer_cosmicduke_elex_redline-stealer_rhadamanthys_s.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-27_ebcd70da68e6a3b96527a5bcd373059f_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:1904
    • C:\Windows\SysWOW64\schdpdb.exe
      C:\Windows\SysWOW64\schdpdb.exe /combine local system
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:5656
  • C:\Windows\SysWOW64\schdpdb.exe
    C:\Windows\SysWOW64\schdpdb.exe
    1⤵
    • Executes dropped EXE
    PID:4628
  • C:\Windows\SysWOW64\fwwdm.exe
    "C:\Windows\SysWOW64\fwwdm.exe" i1r
    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:1600
  • C:\Windows\SysWOW64\fwwdm.exe
    C:\Windows\SysWOW64\fwwdm.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:256

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

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

        sqllsa.scr
        • Path C:\Users\Admin\AppData\Local\Temp\sqllsa.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

        fwwdm.exe
        • Path C:\Windows\SysWOW64\fwwdm.exe
        • Size 2.5MB
        • SHA256 2cc42b8399985319777131c258c2a34cfbd3cb49f8032aa54dd34479c24d8742
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        schdpdb.exe
        • Path C:\Windows\SysWOW64\schdpdb.exe
        • Size 1.9MB
        • SHA256 71861cc984c9f63d2f37224e0dccc4eab4eeaa24198d00b6a20eefa6e2815e97
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/256-76-0x0000000002410000-0x0000000002458000-memory.dmp
        Download

        memory/256-75-0x0000000000400000-0x00000000005B4000-memory.dmp
        Download

        memory/256-78-0x0000000002410000-0x0000000002458000-memory.dmp
        Download

        memory/256-80-0x0000000000400000-0x0000000000438000-memory.dmp
        Download

        memory/1600-74-0x0000000000400000-0x00000000005B4000-memory.dmp
        Download

        memory/1904-6-0x0000000000400000-0x00000000005B4000-memory.dmp
        Download

        memory/1904-5-0x0000000000400000-0x0000000000420000-memory.dmp
        Download

        memory/1904-4-0x0000000000400000-0x00000000005B4000-memory.dmp
        Download

        memory/1904-2-0x0000000000400000-0x00000000005B4000-memory.dmp
        Download

        memory/1904-1-0x0000000000423000-0x0000000000424000-memory.dmp
        Download

        memory/1904-0-0x0000000000400000-0x00000000005B4000-memory.dmp
        Download