Overview

overview

10

Static

static

10

2026-07-24..._s.exe

windows10-2004-x64

10

2026-07-24..._s.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
    24/07/2026, 22:58

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General

  • Target
    2026-07-24_5351e43dc205c20a148570872dce534c_coinminer_cosmicduke_elex_redline-stealer_rhadamanthys_s.exe
  • Size 2.9MB
  • Sample260724-2xxsmsgp4w
  • SHA256 9265710112e3079fdc3e3630cc46e1457a34022ce7afc990b38c9a428a0a754e
  • 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 3 IoCs
    stealeraptapt29
  • Custom signature
    UPX dump on OEP (original entry point) 6 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 6 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\2026-07-24_5351e43dc205c20a148570872dce534c_coinminer_cosmicduke_elex_redline-stealer_rhadamanthys_s.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-24_5351e43dc205c20a148570872dce534c_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:4164
    • C:\Windows\SysWOW64\ctfwdm.exe
      C:\Windows\SysWOW64\ctfwdm.exe /combine local system
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2492
  • C:\Windows\SysWOW64\envfs.exe
    C:\Windows\SysWOW64\envfs.exe au4
    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:1792
  • C:\Windows\SysWOW64\envfs.exe
    C:\Windows\SysWOW64\envfs.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1976
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1976 -s 504
      2⤵
      • Program crash
      PID:552
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1976 -s 496
      2⤵
      • Program crash
      PID:3796
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1976 -s 648
      2⤵
      • Program crash
      PID:1264
  • C:\Windows\SysWOW64\ctfwdm.exe
    C:\Windows\SysWOW64\ctfwdm.exe
    1⤵
    • Executes dropped EXE
    PID:1848
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1976 -ip 1976
    1⤵
      PID:3432
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1976 -ip 1976
      1⤵
        PID:3076
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 1976 -ip 1976
        1⤵
          PID:4504

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

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

              ctfwdm.exe
              • Path C:\Windows\SysWOW64\ctfwdm.exe
              • Size 1.5MB
              • SHA256 9b2480e5cf17fa6bb9e0998e2836b623d3c0ddefe2242cdcad5618df9082846c
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              envfs.exe
              • Path C:\Windows\SysWOW64\envfs.exe
              • Size 2.9MB
              • SHA256 c2228b4437960a6ce99b6152218b1ec0a98466bcc72986ce4f54195c106907f6
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              memory/1792-77-0x0000000000400000-0x00000000005DA000-memory.dmp
              Download

              memory/1792-35-0x0000000000400000-0x00000000005DA000-memory.dmp
              Download

              memory/1976-40-0x0000000000400000-0x00000000005DA000-memory.dmp
              Download

              memory/1976-78-0x0000000002630000-0x0000000002678000-memory.dmp
              Download

              memory/1976-80-0x0000000002630000-0x0000000002678000-memory.dmp
              Download

              memory/1976-82-0x0000000000400000-0x0000000000438000-memory.dmp
              Download

              memory/4164-5-0x0000000000400000-0x00000000005DA000-memory.dmp
              Download

              memory/4164-4-0x0000000000400000-0x0000000000420000-memory.dmp
              Download

              memory/4164-3-0x0000000000400000-0x00000000005DA000-memory.dmp
              Download

              memory/4164-2-0x0000000000400000-0x00000000005DA000-memory.dmp
              Download

              memory/4164-0-0x0000000000400000-0x00000000005DA000-memory.dmp
              Download

              memory/4164-1-0x0000000000423000-0x0000000000424000-memory.dmp
              Download