Overview

overview

10

Static

static

10

2026-10-25..._s.exe

windows10-2004-x64

10

2026-10-25..._s.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    26/10/2026, 18:44

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General

  • Target
    2026-10-25_9b4a07cb11bbcd70051962bc59b33a5b_coinminer_cosmicduke_elex_redline-stealer_rhadamanthys_s.exe
  • Size 2.5MB
  • Sample261026-xdr1tsvx6j
  • SHA256 6b8d4cd24627139871095e869f8c4a5fc6792972dd0a16a80dcfcb7f91cf7833
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
apt29aptcollectiondefense_evasiondiscoverycosmicdukespywarestealerupx

Malware Config

Signatures

  • Family: CosmicDuke,TinyBaron

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

    stealercosmicduke
  • Detects CosmicDuke or TinyBaron 4 IoCs
    stealeraptapt29
  • Custom signature
    UPX dump on OEP (original entry point) 9 IoCs
  • 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
  • UPX packed file 7 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • 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\2026-10-25_9b4a07cb11bbcd70051962bc59b33a5b_coinminer_cosmicduke_elex_redline-stealer_rhadamanthys_s.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-25_9b4a07cb11bbcd70051962bc59b33a5b_coinminer_cosmicduke_elex_redline-stealer_rhadamanthys_s.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:2412
    • C:\Windows\SysWOW64\objcfg.exe
      C:\Windows\SysWOW64\objcfg.exe /combine local system
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4444
  • C:\Windows\SysWOW64\svcras.exe
    C:\Windows\SysWOW64\svcras.exe vcq
    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:3420
  • C:\Windows\SysWOW64\objcfg.exe
    C:\Windows\SysWOW64\objcfg.exe
    1⤵
    • Executes dropped EXE
    PID:4888
  • C:\Windows\SysWOW64\svcras.exe
    C:\Windows\SysWOW64\svcras.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4576
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4576 -s 504
      2⤵
      • Program crash
      PID:3024
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4576 -s 656
      2⤵
      • Program crash
      PID:4696
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4576 -s 672
      2⤵
      • Program crash
      PID:5108
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4576 -ip 4576
    1⤵
      PID:4660
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4576 -ip 4576
      1⤵
        PID:5040
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4576 -ip 4576
        1⤵
          PID:752

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

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

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

              ntuser{4CB43D7F-7DCA-4906-8698-FFFFFFFF80CD9101}.pol
              • Path C:\Users\Public\Documents\ntuser{4CB43D7F-7DCA-4906-8698-FFFFFFFF80CD9101}.pol
              • Size 4B
              • SHA256 443c07a2c83b7b0253a325d2b72ac757c3aa5b41cd749842bc74fb3ee9b26866
              • MD5 SHA1 SHA512
              Submit Download

              objcfg.exe
              • Path C:\Windows\SysWOW64\objcfg.exe
              • Size 2.1MB
              • SHA256 63110c67ac9d18c5c6818333c217b14792f59d722aa987ac1c2b9bb7110d1545
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              srvras.scr
              • Path C:\Windows\SysWOW64\srvras.scr
              • Size 2.5MB
              • SHA256 f33bedc83357103480022c5002c9fd13082cd204343cfa3a1f4d9f322c73ad9e
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              svcras.exe
              • Path C:\Windows\SysWOW64\svcras.exe
              • Size 2.5MB
              • SHA256 6b8d4cd24627139871095e869f8c4a5fc6792972dd0a16a80dcfcb7f91cf7833
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              memory/2412-4-0x0000000000400000-0x0000000000420000-memory.dmp
              Download

              memory/2412-5-0x0000000000400000-0x00000000005B4000-memory.dmp
              Download

              memory/2412-0-0x0000000000400000-0x00000000005B4000-memory.dmp
              Download

              memory/2412-3-0x0000000000400000-0x00000000005B4000-memory.dmp
              Download

              memory/2412-2-0x0000000000400000-0x00000000005B4000-memory.dmp
              Download

              memory/2412-1-0x0000000000423000-0x0000000000424000-memory.dmp
              Download

              memory/3420-39-0x0000000000400000-0x00000000005B4000-memory.dmp
              Download

              memory/3420-79-0x0000000000400000-0x00000000005B4000-memory.dmp
              Download

              memory/4576-43-0x0000000000400000-0x00000000005B4000-memory.dmp
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              memory/4576-80-0x00000000025F0000-0x0000000002638000-memory.dmp
              Download

              memory/4576-81-0x0000000000400000-0x00000000005B4000-memory.dmp
              Download

              memory/4576-83-0x00000000025F0000-0x0000000002638000-memory.dmp
              Download

              memory/4576-86-0x0000000000400000-0x0000000000438000-memory.dmp
              Download