Overview

overview

10

Static

static

10

2026-07-11..._s.exe

windows10-2004-x64

10

2026-07-11..._s.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    147s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    11/07/2026, 10:33

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General

  • Target
    2026-07-11_c1b8dee7523550728d6d7a0489da2260_coinminer_cosmicduke_elex_redline-stealer_rhadamanthys_s.exe
  • Size 2.9MB
  • Sample260711-mlxaeaf19n
  • SHA256 8ca25a9b2ec64266324df1e2be5949f2b0a1043838ba078c00f22522d2825bf8
  • 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 2 IoCs
    stealeraptapt29
  • UPX dump on OEP (original entry point) 7 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\2026-07-11_c1b8dee7523550728d6d7a0489da2260_coinminer_cosmicduke_elex_redline-stealer_rhadamanthys_s.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-11_c1b8dee7523550728d6d7a0489da2260_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:1436
    • C:\Windows\SysWOW64\pcid.exe
      C:\Windows\SysWOW64\pcid.exe /combine local system
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2204
  • C:\Windows\SysWOW64\rassql.exe
    C:\Windows\SysWOW64\rassql.exe x2k
    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:4688
  • C:\Windows\SysWOW64\rassql.exe
    C:\Windows\SysWOW64\rassql.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3456
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3456 -s 504
      2⤵
      • Program crash
      PID:2080
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3456 -s 496
      2⤵
      • Program crash
      PID:3916
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3456 -s 648
      2⤵
      • Program crash
      PID:1492
  • C:\Windows\SysWOW64\pcid.exe
    C:\Windows\SysWOW64\pcid.exe
    1⤵
    • Executes dropped EXE
    PID:4872
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 3456 -ip 3456
    1⤵
      PID:2268
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3456 -ip 3456
      1⤵
        PID:1432
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 180 -p 3456 -ip 3456
        1⤵
          PID:2884

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

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

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

              pcid.exe
              • Path C:\Windows\SysWOW64\pcid.exe
              • Size 1.4MB
              • SHA256 e16834cdd8d6fd987db1dd3294f967651693867c0a88b7de4ed37f9896a60141
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              rassql.exe
              • Path C:\Windows\SysWOW64\rassql.exe
              • Size 2.9MB
              • SHA256 e395092f63b224e32fd2b2d5d96b74d20ac06efbb1216f3ab338c5de1fd4480c
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              memory/1436-2-0x0000000000400000-0x00000000005DA000-memory.dmp
              Download

              memory/1436-3-0x0000000000400000-0x00000000005DA000-memory.dmp
              Download

              memory/1436-5-0x0000000000400000-0x00000000005DA000-memory.dmp
              Download

              memory/1436-1-0x0000000000423000-0x0000000000424000-memory.dmp
              Download

              memory/1436-4-0x0000000000400000-0x0000000000420000-memory.dmp
              Download

              memory/1436-0-0x0000000000400000-0x00000000005DA000-memory.dmp
              Download

              memory/3456-39-0x0000000000400000-0x00000000005DA000-memory.dmp
              Download

              memory/3456-80-0x0000000002130000-0x0000000002178000-memory.dmp
              Download

              memory/3456-79-0x0000000000400000-0x00000000005DA000-memory.dmp
              Download

              memory/3456-82-0x0000000002130000-0x0000000002178000-memory.dmp
              Download

              memory/3456-84-0x0000000000400000-0x0000000000438000-memory.dmp
              Download

              memory/4688-36-0x0000000000400000-0x00000000005DA000-memory.dmp
              Download

              memory/4688-77-0x0000000000400000-0x00000000005DA000-memory.dmp
              Download