Overview

overview

10

Static

static

3

2026-06-27...ar.exe

windows10-2004-x64

10

2026-06-27...ar.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    29/06/2026, 04:28

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General

  • Target
    2026-06-27_a16f35485052efeac17b69c165c07bee_cosmicduke_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_tofsee_vidar.exe
  • Size 2.8MB
  • Sample260629-e33vhsc13v
  • SHA256 3b1379876dcc3131c6654d7a13650db591e61aef1c9f082c10da3a69929180c5
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
apt29aptcollectiondefense_evasiondiscoverycosmicdukespywarestealer

Malware Config

Signatures

  • Family: CosmicDuke,TinyBaron

    CosmicDuke aka TinyBaron is an information stealer used by the APT29 group.

    stealercosmicduke
  • Detects CosmicDuke or TinyBaron 1 IoCs
    stealeraptapt29
  • 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\2026-06-27_a16f35485052efeac17b69c165c07bee_cosmicduke_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_tofsee_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-27_a16f35485052efeac17b69c165c07bee_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:1656
    • C:\Windows\SysWOW64\hostwdm.exe
      C:\Windows\SysWOW64\hostwdm.exe /combine local system
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4888
  • C:\Windows\SysWOW64\ipfw.exe
    C:\Windows\SysWOW64\ipfw.exe 44n
    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:1480
  • C:\Windows\SysWOW64\ipfw.exe
    C:\Windows\SysWOW64\ipfw.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4448
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4448 -s 660
      2⤵
      • Program crash
      PID:3864
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4448 -s 504
      2⤵
      • Program crash
      PID:1964
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4448 -s 608
      2⤵
      • Program crash
      PID:1328
  • C:\Windows\SysWOW64\hostwdm.exe
    C:\Windows\SysWOW64\hostwdm.exe
    1⤵
    • Executes dropped EXE
    PID:1080
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4448 -ip 4448
    1⤵
      PID:3884
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4448 -ip 4448
      1⤵
        PID:744
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4448 -ip 4448
        1⤵
          PID:4972

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

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

              hostwdm.exe
              • Path C:\Windows\SysWOW64\hostwdm.exe
              • Size 1.2MB
              • SHA256 2db838c88bb844183bf435fd1972add0ebf59a89ea9cc01d39a5c4a1d00c4128
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              ipfw.exe
              • Path C:\Windows\SysWOW64\ipfw.exe
              • Size 2.8MB
              • SHA256 76b183eb316e52df32f958d92c42e6860ac08610785129e99cd098931b99c6f7
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              memory/1480-35-0x0000000000400000-0x00000000005D5000-memory.dmp
              Download

              memory/1480-37-0x0000000000400000-0x00000000005D5000-memory.dmp
              Download

              memory/1480-78-0x0000000000400000-0x00000000005D5000-memory.dmp
              Download

              memory/1656-4-0x0000000000400000-0x0000000000420000-memory.dmp
              Download

              memory/1656-5-0x00000000025D0000-0x0000000002618000-memory.dmp
              Download

              memory/1656-2-0x0000000000400000-0x00000000005D5000-memory.dmp
              Download

              memory/1656-3-0x00000000025D0000-0x0000000002618000-memory.dmp
              Download

              memory/1656-0-0x0000000000400000-0x00000000005D5000-memory.dmp
              Download

              memory/1656-1-0x0000000000400000-0x00000000005D5000-memory.dmp
              Download

              memory/4448-40-0x0000000000400000-0x00000000005D5000-memory.dmp
              Download

              memory/4448-79-0x0000000000400000-0x00000000005D5000-memory.dmp
              Download

              memory/4448-82-0x0000000000400000-0x0000000000438000-memory.dmp
              Download