Overview

overview

10

Static

static

3

2026-05-11...ar.exe

windows10-2004-x64

10

2026-05-11...ar.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    11/05/2026, 14:30

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General

  • Target
    2026-05-11_4f993274ec228fe9858541bc51bfaae6_cosmicduke_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_tofsee_vidar.exe
  • Size 3.0MB
  • Sample260511-rvmjsacv3t
  • SHA256 4974f373ac3b4c34ad5c8c130f87bf95abc277c3a33d18ab6ff56707c4f7ee42
  • 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\2026-05-11_4f993274ec228fe9858541bc51bfaae6_cosmicduke_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_tofsee_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-11_4f993274ec228fe9858541bc51bfaae6_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:2784
    • C:\Windows\SysWOW64\apidhcp.exe
      C:\Windows\SysWOW64\apidhcp.exe /combine local system
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:572
  • C:\Windows\SysWOW64\apidhcp.exe
    C:\Windows\SysWOW64\apidhcp.exe
    1⤵
    • Executes dropped EXE
    PID:3968
  • C:\Windows\SysWOW64\sqldns.exe
    C:\Windows\SysWOW64\sqldns.exe hn0
    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:2412
  • C:\Windows\SysWOW64\sqldns.exe
    C:\Windows\SysWOW64\sqldns.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1728
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1728 -s 492
      2⤵
      • Program crash
      PID:3256
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1728 -s 644
      2⤵
      • Program crash
      PID:4012
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1728 -s 656
      2⤵
      • Program crash
      PID:4340
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1728 -ip 1728
    1⤵
      PID:2488
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1728 -ip 1728
      1⤵
        PID:3832
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1728 -ip 1728
        1⤵
          PID:2992

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

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

              apidhcp.exe
              • Path C:\Windows\SysWOW64\apidhcp.exe
              • Size 1.6MB
              • SHA256 72af8d8a1c21dfd80320a11f45edb8b71a4682300b1f2e2dff0fb41f2674f71b
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              sqldns.exe
              • Path C:\Windows\SysWOW64\sqldns.exe
              • Size 3.0MB
              • SHA256 ade3f2531395784a0515ff08316526f07e4dd29cbc2a334a29d02d9f45681265
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              memory/1728-43-0x0000000000400000-0x00000000005D5000-memory.dmp
              Download

              memory/1728-42-0x0000000000400000-0x00000000005D5000-memory.dmp
              Download

              memory/1728-96-0x0000000000400000-0x0000000000438000-memory.dmp
              Download

              memory/1728-88-0x00000000023B0000-0x00000000023F8000-memory.dmp
              Download

              memory/1728-86-0x0000000000A30000-0x0000000000B0C000-memory.dmp
              Download

              memory/1728-85-0x00000000023B0000-0x00000000023F8000-memory.dmp
              Download

              memory/2412-39-0x0000000000400000-0x00000000005D5000-memory.dmp
              Download

              memory/2412-84-0x0000000000400000-0x00000000005D5000-memory.dmp
              Download

              memory/2412-83-0x0000000000A70000-0x0000000000B4C000-memory.dmp
              Download

              memory/2412-38-0x0000000000400000-0x00000000005D5000-memory.dmp
              Download

              memory/2412-150-0x0000000001F70000-0x0000000001F77000-memory.dmp
              Download

              memory/2784-1-0x0000000000400000-0x00000000005D5000-memory.dmp
              Download

              memory/2784-2-0x0000000000950000-0x0000000000998000-memory.dmp
              Download

              memory/2784-81-0x0000000002860000-0x000000000289B000-memory.dmp
              Download

              memory/2784-82-0x00000000034F0000-0x00000000034F7000-memory.dmp
              Download

              memory/2784-5-0x00000000006F0000-0x00000000007CC000-memory.dmp
              Download

              memory/2784-4-0x0000000000400000-0x0000000000420000-memory.dmp
              Download

              memory/2784-3-0x0000000000400000-0x00000000005D5000-memory.dmp
              Download