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
    149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    24/04/2026, 04:27

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General

  • Target
    2026-04-24_3d24d2f2b011b331c97f1d5f3cada121_cosmicduke_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_tofsee_vidar.exe
  • Size 2.2MB
  • Sample260424-e3d66aey6s
  • SHA256 ea889ccbd1ab9e5396472a2dc25f7ea57adf59b068b96d87ce2db755d851194d
  • 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_3d24d2f2b011b331c97f1d5f3cada121_cosmicduke_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_tofsee_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-24_3d24d2f2b011b331c97f1d5f3cada121_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:1316
    • C:\Windows\SysWOW64\dnsui.exe
      C:\Windows\SysWOW64\dnsui.exe /combine local system
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3176
  • C:\Windows\SysWOW64\dnsui.exe
    C:\Windows\SysWOW64\dnsui.exe
    1⤵
    • Executes dropped EXE
    PID:3352
  • C:\Windows\SysWOW64\pptpid.exe
    C:\Windows\SysWOW64\pptpid.exe 2bz
    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:1660
  • C:\Windows\SysWOW64\pptpid.exe
    C:\Windows\SysWOW64\pptpid.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3652
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3652 -s 524
      2⤵
      • Program crash
      PID:3664
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3652 -s 536
      2⤵
      • Program crash
      PID:572
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3652 -s 528
      2⤵
      • Program crash
      PID:2012
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3652 -ip 3652
    1⤵
      PID:4672
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 3652 -ip 3652
      1⤵
        PID:3892
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3652 -ip 3652
        1⤵
          PID:3300

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

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

              dnsui.exe
              • Path C:\Windows\SysWOW64\dnsui.exe
              • Size 1.7MB
              • SHA256 157d959d656e8b5cce90ef55ba60bbb1c36faa64ccbcb04b50a78f1b1670d3fa
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              pptpid.exe
              • Path C:\Windows\SysWOW64\pptpid.exe
              • Size 2.2MB
              • SHA256 c4f9ce10977a6645db471d4ce84a246157a88682b1ac802071d29645b2b0b1d5
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              memory/1316-80-0x00000000021F0000-0x000000000220A000-memory.dmp
              Download

              memory/1316-5-0x0000000000440000-0x00000000004A4000-memory.dmp
              Download

              memory/1316-0-0x0000000000400000-0x00000000005AF000-memory.dmp
              Download

              memory/1316-2-0x00000000026B0000-0x00000000026F8000-memory.dmp
              Download

              memory/1316-1-0x0000000000400000-0x00000000005AF000-memory.dmp
              Download

              memory/1316-146-0x0000000000440000-0x00000000004A4000-memory.dmp
              Download

              memory/1316-86-0x0000000000440000-0x00000000004A4000-memory.dmp
              Download

              memory/1316-3-0x0000000000400000-0x00000000005AF000-memory.dmp
              Download

              memory/1316-4-0x0000000000400000-0x0000000000420000-memory.dmp
              Download

              memory/1316-79-0x0000000000440000-0x00000000004A4000-memory.dmp
              Download

              memory/1660-88-0x0000000000440000-0x00000000004A4000-memory.dmp
              Download

              memory/1660-81-0x0000000000400000-0x00000000005AF000-memory.dmp
              Download

              memory/1660-145-0x00000000010A0000-0x00000000010BA000-memory.dmp
              Download

              memory/1660-144-0x0000000000440000-0x00000000004A4000-memory.dmp
              Download

              memory/1660-38-0x0000000000400000-0x00000000005AF000-memory.dmp
              Download

              memory/3652-82-0x0000000000400000-0x00000000005AF000-memory.dmp
              Download

              memory/3652-41-0x0000000000400000-0x00000000005AF000-memory.dmp
              Download

              memory/3652-83-0x0000000000440000-0x00000000004A4000-memory.dmp
              Download

              memory/3652-42-0x0000000000400000-0x00000000005AF000-memory.dmp
              Download

              memory/3652-85-0x0000000002690000-0x00000000026D8000-memory.dmp
              Download

              memory/3652-91-0x0000000000440000-0x00000000004A4000-memory.dmp
              Download

              memory/3652-92-0x0000000000400000-0x0000000000438000-memory.dmp
              Download