Overview

overview

10

Static

static

3

2026-09-26...yn.exe

windows10-2004-x64

10

2026-09-26...yn.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    27/09/2026, 16:33

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General

  • Target
    2026-09-26_589f5753046015fefd353ced20eb76fe_amadey_cobalt-strike_elex_luca-stealer_njrat_smoke-loader_swisyn.exe
  • Size 341KB
  • Sample260927-t2tyjstycs
  • SHA256 bcd0e794849901513fad7efeb5dedb723c3fa802b832453e661f08b7178cdf37
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defense_evasiondiscoverysolaris_loaderloaderpersistence

Malware Config

Extracted

Family

  • solaris_loader

Version

  • drpnew

C2

  • 193.178.158.107

  • 193.178.158.65

  • 196.251.107.186

  • 192.162.199.186

  • 62.60.226.232

Signatures

  • Family: SolarisLoader

    SolarisLoader is a Windows loader written in C.

    loadersolaris_loader
  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
    defense_evasion
  • Modifies visibility of hidden/system files in Explorer 2 TTPs 3 IoCs
    defense_evasion
  • Detects Reflective DLL injection artifacts 2 IoCs
  • Downloads MZ/PE file 6 IoCs
  • Executes dropped EXE 18 IoCs
  • Adds Run key to start application 2 TTPs 7 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 3 IoCs
  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 3 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

    discovery
  • System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Modifies registry class 12 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 18 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Windows\System32\RuntimeBroker.exe
    C:\Windows\System32\RuntimeBroker.exe -Embedding
    1⤵
      PID:4360
    • C:\Windows\System32\RuntimeBroker.exe
      C:\Windows\System32\RuntimeBroker.exe -Embedding
      1⤵
        PID:4392
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
          PID:2664
          • C:\Windows\explorer.exe
            explorer.exe /LOADSAVEDWINDOWS
            2⤵
            • Modifies registry class
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:4308
            • C:\Users\Admin\AppData\Local\Temp\2026-09-26_589f5753046015fefd353ced20eb76fe_amadey_cobalt-strike_elex_luca-stealer_njrat_smoke-loader_swisyn.exe
              "C:\Users\Admin\AppData\Local\Temp\2026-09-26_589f5753046015fefd353ced20eb76fe_amadey_cobalt-strike_elex_luca-stealer_njrat_smoke-loader_swisyn.exe"
              3⤵
              • Drops file in Windows directory
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              PID:4200
              • \??\c:\users\admin\appdata\local\temp\2026-09-26_589f5753046015fefd353ced20eb76fe_amadey_cobalt-strike_elex_luca-stealer_njrat_smoke-loader_swisyn.exe 
                c:\users\admin\appdata\local\temp\2026-09-26_589f5753046015fefd353ced20eb76fe_amadey_cobalt-strike_elex_luca-stealer_njrat_smoke-loader_swisyn.exe 
                4⤵
                • Modifies visibility of file extensions in Explorer
                • Downloads MZ/PE file
                • Executes dropped EXE
                • Enumerates connected drives
                • Reads the TCP/IP host and domain name from the registry
                • System Location Discovery: System Language Discovery
                • Modifies registry class
                • Suspicious use of WriteProcessMemory
                PID:4444
                • C:\Users\Admin\AppData\Local\Temp\svchlp1.exe
                  C:\Users\Admin\AppData\Local\Temp\svchlp1.exe
                  5⤵
                  • Executes dropped EXE
                  • Adds Run key to start application
                  • Suspicious use of WriteProcessMemory
                  PID:4080
                  • C:\Users\Admin\AppData\Roaming\syshost.exe
                    C:\Users\Admin\AppData\Roaming\syshost.exe
                    6⤵
                    • Executes dropped EXE
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    PID:5608
                • C:\Users\Admin\AppData\Local\Temp\dl_0e59a7b0_1.exe
                  "C:\Users\Admin\AppData\Local\Temp\dl_0e59a7b0_1.exe"
                  5⤵
                  • Executes dropped EXE
                  • Suspicious use of AdjustPrivilegeToken
                  • Suspicious use of WriteProcessMemory
                  PID:1308
                • C:\Users\Admin\AppData\Local\Temp\svchlp2.exe
                  C:\Users\Admin\AppData\Local\Temp\svchlp2.exe
                  5⤵
                  • Executes dropped EXE
                  • Reads the TCP/IP host and domain name from the registry
                  • Suspicious use of WriteProcessMemory
                  PID:4152
                • C:\Users\Admin\AppData\Local\Temp\dl_0e59aaec_2.exe
                  "C:\Users\Admin\AppData\Local\Temp\dl_0e59aaec_2.exe"
                  5⤵
                  • Executes dropped EXE
                  PID:2940
                • C:\Users\Admin\AppData\Local\Temp\svchlp4.exe
                  C:\Users\Admin\AppData\Local\Temp\svchlp4.exe
                  5⤵
                  • Executes dropped EXE
                  PID:4972
                • C:\Users\Admin\AppData\Local\Temp\svchlp5.exe
                  C:\Users\Admin\AppData\Local\Temp\svchlp5.exe
                  5⤵
                  • Executes dropped EXE
                  PID:556
              • C:\Windows\Resources\Themes\icsys.icn.exe
                C:\Windows\Resources\Themes\icsys.icn.exe
                4⤵
                • Executes dropped EXE
                • Drops file in Windows directory
                • System Location Discovery: System Language Discovery
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of SetWindowsHookEx
                • Suspicious use of WriteProcessMemory
                PID:1428
                • \??\c:\windows\resources\themes\explorer.exe
                  c:\windows\resources\themes\explorer.exe
                  5⤵
                  • Modifies visibility of hidden/system files in Explorer
                  • Executes dropped EXE
                  • Adds Run key to start application
                  • Drops file in System32 directory
                  • Drops file in Windows directory
                  • System Location Discovery: System Language Discovery
                  • Suspicious use of SetWindowsHookEx
                  • Suspicious use of WriteProcessMemory
                  PID:4564
                  • \??\c:\windows\resources\spoolsv.exe
                    c:\windows\resources\spoolsv.exe SE
                    6⤵
                    • Executes dropped EXE
                    • Drops file in Windows directory
                    • System Location Discovery: System Language Discovery
                    • Suspicious use of SetWindowsHookEx
                    • Suspicious use of WriteProcessMemory
                    PID:3592
                    • \??\c:\windows\resources\svchost.exe
                      c:\windows\resources\svchost.exe
                      7⤵
                      • Modifies visibility of hidden/system files in Explorer
                      • Executes dropped EXE
                      • Adds Run key to start application
                      • Drops file in System32 directory
                      • System Location Discovery: System Language Discovery
                      • Suspicious behavior: GetForegroundWindowSpam
                      • Suspicious use of SetWindowsHookEx
                      • Suspicious use of WriteProcessMemory
                      PID:1600
                      • \??\c:\windows\resources\spoolsv.exe
                        c:\windows\resources\spoolsv.exe PR
                        8⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        • Suspicious use of SetWindowsHookEx
                        PID:3316
                      • \??\c:\windows\resources\spoolsv.exe
                        c:\windows\resources\spoolsv.exe PR
                        8⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        • Suspicious use of SetWindowsHookEx
                        • Suspicious use of WriteProcessMemory
                        PID:5140
                        • \??\c:\windows\resources\themes\explorer.exe
                          c:\windows\resources\themes\explorer.exe
                          9⤵
                          • Modifies visibility of hidden/system files in Explorer
                          • Executes dropped EXE
                          • Adds Run key to start application
                          • Drops file in System32 directory
                          • Drops file in Windows directory
                          • System Location Discovery: System Language Discovery
                          • Suspicious behavior: GetForegroundWindowSpam
                          • Suspicious use of SetWindowsHookEx
                          • Suspicious use of WriteProcessMemory
                          PID:4648
                          • \??\c:\windows\resources\spoolsv.exe
                            c:\windows\resources\spoolsv.exe SE
                            10⤵
                            • Executes dropped EXE
                            • System Location Discovery: System Language Discovery
                            • Suspicious use of SetWindowsHookEx
                            PID:3392
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 4564 -s 2232
                    6⤵
                    • Program crash
                    PID:4680
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 392 -p 4564 -ip 4564
          1⤵
            PID:2684
          • C:\Users\Admin\AppData\Roaming\syshost.exe
            "C:\Users\Admin\AppData\Roaming\syshost.exe"
            1⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:3348
          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Services\wlrmdr.exe
            C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Services\wlrmdr.exe
            1⤵
            • Executes dropped EXE
            PID:2488

          Network

                MITRE ATT&CK Enterprise v16

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                Downloads

                2026-09-26_589f5753046015fefd353ced20eb76fe_amadey_cobalt-strike_elex_luca-stealer_njrat_smoke-loader_swisyn.exe 
                • Path C:\Users\Admin\AppData\Local\Temp\2026-09-26_589f5753046015fefd353ced20eb76fe_amadey_cobalt-strike_elex_luca-stealer_njrat_smoke-loader_swisyn.exe 
                • Size 206KB
                • SHA256 9809d57a98aefbcf8521d68f8d6a97e83955873c74efcfcd64924ad640e1e373
                • MD5 SHA1 SHA512 SSDEEP TLSH
                Submit Download

                ol75b9ib.exe
                • Path C:\Users\Admin\AppData\Local\Temp\ol75b9ib.exe
                • Size 35KB
                • SHA256 5a5722d9f8b20e50749338af885139eee22b772482a420c7f89e1f28dc4010a6
                • MD5 SHA1 SHA512 SSDEEP TLSH
                Submit Download

                rlgeal03.exe
                • Path C:\Users\Admin\AppData\Local\Temp\rlgeal03.exe
                • Size 35KB
                • SHA256 bb31cdbf3c1beb9d60310cda0adc5429655f72cedcd4cae30166d438118278bb
                • MD5 SHA1 SHA512 SSDEEP TLSH
                Submit Download

                svchlp1.exe
                • Path C:\Users\Admin\AppData\Local\Temp\svchlp1.exe
                • Size 226KB
                • SHA256 586d98277d3edc99e37280a970d9a1cd1ad38cf22f8a77648c3bd1212387b550
                • MD5 SHA1 SHA512 SSDEEP TLSH
                Submit Download

                svchlp2.exe
                • Path C:\Users\Admin\AppData\Local\Temp\svchlp2.exe
                • Size 55KB
                • SHA256 80bd71812ea7c35634f5f590d80ebdba1ea9f882e8691e9854b9b62916ee4f25
                • MD5 SHA1 SHA512 SSDEEP TLSH
                Submit Download

                svchlp4.exe
                • Path C:\Users\Admin\AppData\Local\Temp\svchlp4.exe
                • Size 55KB
                • SHA256 a6a1598cd6713d7afbfc6d48427dd986154aa724215549477f190d10ee15bfe2
                • MD5 SHA1 SHA512 SSDEEP TLSH
                Submit Download

                svchlp5.exe
                • Path C:\Users\Admin\AppData\Local\Temp\svchlp5.exe
                • Size 129KB
                • SHA256 7fd4d923b29136fc2537e156f78f0bcf4371c95b1cb1267a08780811c40aa8ec
                • MD5 SHA1 SHA512 SSDEEP TLSH
                Submit Download

                Desktop - Files.lnk
                • Path C:\Users\Admin\Desktop\Desktop - Files.lnk
                • Size 572B
                • SHA256 ca2ffe0f65dfe366b1f2c16c75b89c27afa1538aaeff6e0eb132b722f7c258d3
                • MD5 SHA1 SHA512 TLSH
                Submit Download

                Desktop - Files.lnk
                • Path C:\Users\Admin\Desktop\Desktop - Files.lnk
                • Size 1KB
                • SHA256 45f613d7bfaf76d9887ff12585aad71216f6893cf18b4b000d0c7d40abb967a3
                • MD5 SHA1 SHA512 TLSH
                Submit Download

                Downloads.lnk
                • Path C:\Users\Admin\Desktop\Downloads.lnk
                • Size 761B
                • SHA256 4d8414dcb6bcb022fe8b39ca6c4c53bfd31a923c1e5d05644d6cbffe79c39112
                • MD5 SHA1 SHA512 TLSH
                Submit Download

                My Documents.lnk
                • Path C:\Users\Admin\Desktop\My Documents.lnk
                • Size 761B
                • SHA256 c51ec20cbae0dceebb598b8c287fc6c0a7cde1a9441fb56937865c042ce9e5f4
                • MD5 SHA1 SHA512 TLSH
                Submit Download

                Shared Photos.lnk
                • Path C:\Users\Admin\Desktop\Shared Photos.lnk
                • Size 761B
                • SHA256 b3930a815c2ca60bc5f0efe40994c6c13f48fb2828da966e144ccecfbe925ed7
                • MD5 SHA1 SHA512 TLSH
                Submit Download

                explorer.exe
                • Path C:\Windows\Resources\Themes\explorer.exe
                • Size 135KB
                • SHA256 5e9b13a3cbbded88b0aa6dfbae828b46fc78a4c81af6b9ea37a1c6cd13d90dca
                • MD5 SHA1 SHA512 SSDEEP TLSH
                Submit Download

                icsys.icn.exe
                • Path C:\Windows\Resources\Themes\icsys.icn.exe
                • Size 135KB
                • SHA256 41a2e8f6a134777dd20ea2aa516cb9ba13a8202b2e17237ab7f835fd7eceeb57
                • MD5 SHA1 SHA512 SSDEEP TLSH
                Submit Download

                spoolsv.exe
                • Path C:\Windows\Resources\spoolsv.exe
                • Size 135KB
                • SHA256 27b00379114b01a9869884ccec2e019ea318970833212178b7a561932a0920c5
                • MD5 SHA1 SHA512 SSDEEP TLSH
                Submit Download

                svchost.exe
                • Path C:\Windows\Resources\svchost.exe
                • Size 135KB
                • SHA256 57da9fed9d1a1b587da46580e77ed640ba7b8f2913812669b93b30c7e0ee4a68
                • MD5 SHA1 SHA512 SSDEEP TLSH
                Submit Download

                memory/1428-69-0x0000000000400000-0x000000000041F000-memory.dmp
                Download

                memory/1600-189-0x0000000000400000-0x000000000041F000-memory.dmp
                Download

                memory/3316-67-0x0000000000400000-0x000000000041F000-memory.dmp
                Download

                memory/3392-161-0x0000000000400000-0x000000000041F000-memory.dmp
                Download

                memory/3592-68-0x0000000000400000-0x000000000041F000-memory.dmp
                Download

                memory/4200-70-0x0000000000400000-0x000000000041F000-memory.dmp
                Download

                memory/4200-0-0x0000000000400000-0x000000000041F000-memory.dmp
                Download

                memory/4308-112-0x00000000039E0000-0x00000000039E1000-memory.dmp
                Download

                memory/4308-81-0x00000000039B0000-0x00000000039D5000-memory.dmp
                Download

                memory/4308-57-0x00000000030D0000-0x00000000030F1000-memory.dmp
                Download

                memory/4308-110-0x0000000003810000-0x0000000003811000-memory.dmp
                Download

                memory/4308-92-0x0000000180000000-0x0000000180005000-memory.dmp
                Download

                memory/4308-83-0x00000000039B0000-0x00000000039D5000-memory.dmp
                Download

                memory/4308-111-0x00000000038A0000-0x00000000038A1000-memory.dmp
                Download

                memory/4308-58-0x0000000003100000-0x0000000003125000-memory.dmp
                Download

                memory/4308-139-0x0000000003BE0000-0x0000000003C05000-memory.dmp
                Download

                memory/4308-113-0x00000000039F0000-0x00000000039F1000-memory.dmp
                Download

                memory/4308-137-0x0000000003BE0000-0x0000000003C05000-memory.dmp
                Download

                memory/4360-87-0x0000022D90BF0000-0x0000022D90BF2000-memory.dmp
                Download

                memory/4444-163-0x00000000004B0000-0x00000000004E7000-memory.dmp
                Download

                memory/4444-9-0x00000000004B0000-0x00000000004E7000-memory.dmp
                Download

                memory/4564-144-0x0000000000400000-0x000000000041F000-memory.dmp
                Download

                memory/4648-190-0x0000000000400000-0x000000000041F000-memory.dmp
                Download

                memory/5140-162-0x0000000000400000-0x000000000041F000-memory.dmp
                Download