Overview

overview

10

Static

static

10

2026-04-26...ee.exe

windows10-2004-x64

3

2026-04-26...ee.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    26/04/2026, 08:40

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General

  • Target
    2026-04-26_8440be50e3bf2ebedcbda048740467e8_amadey_cosmicduke_elex_glassworm_smoke-loader_tofsee.exe
  • Size 174KB
  • Sample260426-klb85aev2k
  • SHA256 59dcee82317d3f542b34eda8e7dcbd40f5657cbdcd0f60ebbbc38d989deaa85a
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
apt29aptbackdoorcollectiondefense_evasiondiscoveryminidukespywarestealer

Malware Config

Signatures

  • Family: MiniDuke, CosmicDuke,TinyBaron

    MiniDuke aka CosmicDuke or TinyBaron is a backdoor used by the APT29 group, written in C++.

    backdoorminiduke
  • Detects MiniDuke aka CosmicDuke or TinyBaron 1 IoCs
    backdooraptapt29
  • 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 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 10 IoCs
  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 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
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 50 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-04-26_8440be50e3bf2ebedcbda048740467e8_amadey_cosmicduke_elex_glassworm_smoke-loader_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-26_8440be50e3bf2ebedcbda048740467e8_amadey_cosmicduke_elex_glassworm_smoke-loader_tofsee.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:3080
    • C:\Windows\SysWOW64\ctfwdm.exe
      C:\Windows\SysWOW64\ctfwdm.exe /combine local system
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2880
  • C:\Windows\SysWOW64\ctfwdm.exe
    C:\Windows\SysWOW64\ctfwdm.exe
    1⤵
    • Executes dropped EXE
    PID:912
  • C:\Windows\SysWOW64\ntui.exe
    C:\Windows\SysWOW64\ntui.exe ivv
    1⤵
    • Executes dropped EXE
    PID:4544
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4544 -s 548
      2⤵
      • Program crash
      PID:2572
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4544 -ip 4544
    1⤵
      PID:460
    • C:\Windows\SysWOW64\ntui.exe
      C:\Windows\SysWOW64\ntui.exe
      1⤵
      • Executes dropped EXE
      PID:1044
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1044 -s 520
        2⤵
        • Program crash
        PID:3368
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1044 -ip 1044
      1⤵
        PID:4608

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

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

            ntuser{4CB43D7F-7DCA-4906-8698-FFFFFFFF8094E303}.pol
            • Path C:\Users\Public\Documents\ntuser{4CB43D7F-7DCA-4906-8698-FFFFFFFF8094E303}.pol
            • Size 4B
            • SHA256 443c07a2c83b7b0253a325d2b72ac757c3aa5b41cd749842bc74fb3ee9b26866
            • MD5 SHA1 SHA512
            Submit Download

            ctfwdm.exe
            • Path C:\Windows\SysWOW64\ctfwdm.exe
            • Size 1.4MB
            • SHA256 7c5aeeef4318d0761989e1669a8b09639cd596eebe2aa67483dedc6fd29e4385
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            ntui.exe
            • Path C:\Windows\SysWOW64\ntui.exe
            • Size 1.5MB
            • SHA256 b86975a9f5fcce0deeb0f58046c12ce8f4b82a35679a11efa1cdde5ea9216f9b
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            memory/1044-28-0x0000000000FE0000-0x000000000105C000-memory.dmp
            Download

            memory/3080-11-0x00000000015E0000-0x000000000165C000-memory.dmp
            Download

            memory/3080-35-0x00000000015E0000-0x000000000165C000-memory.dmp
            Download

            memory/4544-26-0x0000000001180000-0x00000000011FC000-memory.dmp
            Download