Overview

overview

10

Static

static

3

2026-04-24...ar.exe

windows10-2004-x64

10

2026-04-24...ar.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    24/04/2026, 10:38

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General

  • Target
    2026-04-24_96dd6b1f928b8abc55e33f4158f26208_cosmicduke_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_tofsee_vidar.exe
  • Size 3.0MB
  • Sample260424-mpql2aez8s
  • SHA256 916271b7d70612eb90d850c0bd964e08855d15f0d8b2cbdc8919b129e87b8464
  • 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 42 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\2026-04-24_96dd6b1f928b8abc55e33f4158f26208_cosmicduke_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_tofsee_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-24_96dd6b1f928b8abc55e33f4158f26208_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:3632
    • C:\Windows\SysWOW64\winui.exe
      C:\Windows\SysWOW64\winui.exe /combine local system
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4636
  • C:\Windows\SysWOW64\ntwdm.exe
    C:\Windows\SysWOW64\ntwdm.exe bij
    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:4704
  • C:\Windows\SysWOW64\ntwdm.exe
    C:\Windows\SysWOW64\ntwdm.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3224
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3224 -s 508
      2⤵
      • Program crash
      PID:4040
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3224 -s 656
      2⤵
      • Program crash
      PID:1320
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3224 -s 672
      2⤵
      • Program crash
      PID:2032
  • C:\Windows\SysWOW64\winui.exe
    C:\Windows\SysWOW64\winui.exe
    1⤵
    • Executes dropped EXE
    PID:2580
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 208 -p 3224 -ip 3224
    1⤵
      PID:1228
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 3224 -ip 3224
      1⤵
        PID:2320
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3224 -ip 3224
        1⤵
          PID:4320

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

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

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

              ntwdm.exe
              • Path C:\Windows\SysWOW64\ntwdm.exe
              • Size 3.0MB
              • SHA256 2806e8ca0d5485082e626bc9f135191f5bf9d1853ab79e9af88682f2d43267eb
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              winui.exe
              • Path C:\Windows\SysWOW64\winui.exe
              • Size 756KB
              • SHA256 75590a5006fea3da3c6e7cad6776479f3c656eb7bf09d4170818d90c19f4f722
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              memory/3224-42-0x0000000000400000-0x00000000005D5000-memory.dmp
              Download

              memory/3224-95-0x0000000000400000-0x0000000000438000-memory.dmp
              Download

              memory/3224-84-0x0000000000400000-0x00000000005D5000-memory.dmp
              Download

              memory/3224-85-0x00000000025D0000-0x0000000002618000-memory.dmp
              Download

              memory/3224-87-0x0000000000440000-0x00000000004BA000-memory.dmp
              Download

              memory/3224-89-0x00000000025D0000-0x0000000002618000-memory.dmp
              Download

              memory/3632-3-0x00000000025D0000-0x0000000002618000-memory.dmp
              Download

              memory/3632-36-0x0000000000440000-0x00000000004BA000-memory.dmp
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              memory/3632-2-0x0000000000400000-0x00000000005D5000-memory.dmp
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              memory/3632-0-0x0000000000400000-0x00000000005D5000-memory.dmp
              Download

              memory/3632-1-0x0000000000400000-0x00000000005D5000-memory.dmp
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              memory/3632-6-0x00000000025D0000-0x0000000002618000-memory.dmp
              Download

              memory/3632-82-0x0000000000440000-0x00000000004BA000-memory.dmp
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              memory/3632-83-0x0000000003280000-0x00000000032C7000-memory.dmp
              Download

              memory/3632-4-0x0000000000400000-0x0000000000420000-memory.dmp
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              memory/3632-5-0x0000000000440000-0x00000000004BA000-memory.dmp
              Download

              memory/4704-81-0x0000000000400000-0x00000000005D5000-memory.dmp
              Download

              memory/4704-86-0x0000000000440000-0x00000000004BA000-memory.dmp
              Download

              memory/4704-39-0x0000000000400000-0x00000000005D5000-memory.dmp
              Download

              memory/4704-37-0x0000000000400000-0x00000000005D5000-memory.dmp
              Download

              memory/4704-96-0x0000000000440000-0x00000000004BA000-memory.dmp
              Download

              memory/4704-148-0x0000000000440000-0x00000000004BA000-memory.dmp
              Download

              memory/4704-149-0x0000000001F40000-0x0000000001F87000-memory.dmp
              Download