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
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-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_loaderloaderpersistenceprivilege_escalation

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
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 2 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 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 57 IoCs
  • Suspicious use of FindShellTrayWindow 6 IoCs
  • Suspicious use of SetWindowsHookEx 18 IoCs
  • Suspicious use of UnmapMainImage 1 TTPs 2 IoCs
    defense_evasionprivilege_escalation
  • Suspicious use of WriteProcessMemory 27 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\sihost.exe
    sihost.exe
    1⤵
    • Modifies registry class
    PID:2936
  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:3272
    • 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"
      2⤵
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1504
      • \??\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⤵
        • Modifies visibility of file extensions in Explorer
        • Downloads MZ/PE file
        • Checks computer location settings
        • Executes dropped EXE
        • Enumerates connected drives
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4644
        • C:\Users\Admin\AppData\Local\Temp\svchlp1.exe
          C:\Users\Admin\AppData\Local\Temp\svchlp1.exe
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:3496
          • C:\Users\Admin\AppData\Roaming\syshost.exe
            C:\Users\Admin\AppData\Roaming\syshost.exe
            5⤵
            • Executes dropped EXE
            PID:2452
        • C:\Users\Admin\AppData\Local\Temp\svchlp2.exe
          C:\Users\Admin\AppData\Local\Temp\svchlp2.exe
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Reads the TCP/IP host and domain name from the registry
          • Suspicious use of WriteProcessMemory
          PID:2304
        • C:\Users\Admin\AppData\Local\Temp\dl_0e58f548_1.exe
          "C:\Users\Admin\AppData\Local\Temp\dl_0e58f548_1.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2356
        • C:\Users\Admin\AppData\Local\Temp\dl_0e58f9ad_2.exe
          "C:\Users\Admin\AppData\Local\Temp\dl_0e58f9ad_2.exe"
          4⤵
          • Executes dropped EXE
          PID:4612
        • C:\Users\Admin\AppData\Local\Temp\svchlp4.exe
          C:\Users\Admin\AppData\Local\Temp\svchlp4.exe
          4⤵
          • Executes dropped EXE
          PID:1416
        • C:\Users\Admin\AppData\Local\Temp\svchlp5.exe
          C:\Users\Admin\AppData\Local\Temp\svchlp5.exe
          4⤵
          • Executes dropped EXE
          PID:4648
      • C:\Windows\Resources\Themes\icsys.icn.exe
        C:\Windows\Resources\Themes\icsys.icn.exe
        3⤵
        • 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:4592
        • \??\c:\windows\resources\themes\explorer.exe
          c:\windows\resources\themes\explorer.exe
          4⤵
          • 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:4512
          • \??\c:\windows\resources\spoolsv.exe
            c:\windows\resources\spoolsv.exe SE
            5⤵
            • Executes dropped EXE
            • Drops file in Windows directory
            • System Location Discovery: System Language Discovery
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:5016
            • \??\c:\windows\resources\svchost.exe
              c:\windows\resources\svchost.exe
              6⤵
              • 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:2336
              • \??\c:\windows\resources\spoolsv.exe
                c:\windows\resources\spoolsv.exe PR
                7⤵
                • Executes dropped EXE
                • System Location Discovery: System Language Discovery
                • Suspicious use of SetWindowsHookEx
                PID:4932
              • \??\c:\windows\resources\spoolsv.exe
                c:\windows\resources\spoolsv.exe PR
                7⤵
                • Executes dropped EXE
                • System Location Discovery: System Language Discovery
                • Suspicious use of SetWindowsHookEx
                • Suspicious use of WriteProcessMemory
                PID:4948
                • \??\c:\windows\resources\themes\explorer.exe
                  c:\windows\resources\themes\explorer.exe
                  8⤵
                  • 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:4112
                  • \??\c:\windows\resources\spoolsv.exe
                    c:\windows\resources\spoolsv.exe SE
                    9⤵
                    • Executes dropped EXE
                    • System Location Discovery: System Language Discovery
                    • Suspicious use of SetWindowsHookEx
                    PID:4912
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4512 -s 1876
            5⤵
            • Program crash
            PID:4608
  • C:\Windows\System32\RuntimeBroker.exe
    C:\Windows\System32\RuntimeBroker.exe -Embedding
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3736
  • C:\Windows\System32\RuntimeBroker.exe
    C:\Windows\System32\RuntimeBroker.exe -Embedding
    1⤵
    • Suspicious use of UnmapMainImage
    PID:4008
  • C:\Windows\System32\RuntimeBroker.exe
    C:\Windows\System32\RuntimeBroker.exe -Embedding
    1⤵
    • Suspicious use of UnmapMainImage
    PID:4500
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4512 -ip 4512
    1⤵
      PID:3624
    • 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:4588
    • 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:3960

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          2e7wl1hc.exe
          • Path C:\Users\Admin\AppData\Local\Temp\2e7wl1hc.exe
          • Size 35KB
          • SHA256 5a5722d9f8b20e50749338af885139eee22b772482a420c7f89e1f28dc4010a6
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          guxnolvm.exe
          • Path C:\Users\Admin\AppData\Local\Temp\guxnolvm.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 592B
          • SHA256 006db166df33a6ffbd126775371bf62c44ff39a47ea1824c47bac09d67ac4125
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          Desktop - Files.lnk
          • Path C:\Users\Admin\Desktop\Desktop - Files.lnk
          • Size 1KB
          • SHA256 8faac4c95cfa125b5526d1524d5fe481ba7a662546e63525e4ce36a5dca3886a
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          Downloads.lnk
          • Path C:\Users\Admin\Desktop\Downloads.lnk
          • Size 757B
          • SHA256 376fa82375d72995ac8f9a24418f769d43208727213c8b656f8e5b73c610112e
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          My Documents.lnk
          • Path C:\Users\Admin\Desktop\My Documents.lnk
          • Size 757B
          • SHA256 e8a3c811a5ec814b652b912402387ff127be62a154e54a70908547e84294831e
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          Shared Photos.lnk
          • Path C:\Users\Admin\Desktop\Shared Photos.lnk
          • Size 757B
          • SHA256 8756bf4b7416dc5266096255524318b890380038e060f38d42d4e3a4b5709e18
          • MD5 SHA1 SHA512 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 9f7d305b6f1ec0986cfec93c7d4128d3220a9e27349320e2eeba5099c05faab4
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          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

          svchost.exe
          • Path \??\c:\windows\resources\svchost.exe
          • Size 135KB
          • SHA256 f014d3ee5370f424a901ba8665544db84cc6cf35e881c8c44ed94db4722d2aee
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          explorer.exe
          • Path \??\c:\windows\resources\themes\explorer.exe
          • Size 135KB
          • SHA256 221057a1568cf252f553a081fd39feba745e4143d1c394a4d70454ef3f51ba8a
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/1504-88-0x0000000000400000-0x000000000041F000-memory.dmp
          Download

          memory/1504-0-0x0000000000400000-0x000000000041F000-memory.dmp
          Download

          memory/2336-283-0x0000000000400000-0x000000000041F000-memory.dmp
          Download

          memory/2336-53-0x0000000000400000-0x000000000041F000-memory.dmp
          Download

          memory/2936-78-0x0000000180000000-0x0000000180005000-memory.dmp
          Download

          memory/2936-72-0x000001F371600000-0x000001F371602000-memory.dmp
          Download

          memory/3272-103-0x0000000004950000-0x0000000004975000-memory.dmp
          Download

          memory/3272-110-0x0000000004980000-0x0000000004981000-memory.dmp
          Download

          memory/3272-109-0x00000000048C0000-0x00000000048C1000-memory.dmp
          Download

          memory/3272-108-0x0000000002DC0000-0x0000000002DC1000-memory.dmp
          Download

          memory/3272-105-0x0000000004950000-0x0000000004975000-memory.dmp
          Download

          memory/3272-98-0x0000000002CB0000-0x0000000002CB1000-memory.dmp
          Download

          memory/3272-92-0x0000000002D50000-0x0000000002D71000-memory.dmp
          Download

          memory/3272-93-0x0000000002D90000-0x0000000002DB5000-memory.dmp
          Download

          memory/4112-284-0x0000000000400000-0x000000000041F000-memory.dmp
          Download

          memory/4512-122-0x0000000000400000-0x000000000041F000-memory.dmp
          Download

          memory/4592-89-0x0000000000400000-0x000000000041F000-memory.dmp
          Download

          memory/4644-252-0x0000000000070000-0x00000000000A7000-memory.dmp
          Download

          memory/4644-9-0x0000000000070000-0x00000000000A7000-memory.dmp
          Download

          memory/4912-250-0x0000000000400000-0x000000000041F000-memory.dmp
          Download

          memory/4912-247-0x0000000000400000-0x000000000041F000-memory.dmp
          Download

          memory/4932-67-0x0000000000400000-0x000000000041F000-memory.dmp
          Download

          memory/4932-64-0x0000000000400000-0x000000000041F000-memory.dmp
          Download

          memory/4948-251-0x0000000000400000-0x000000000041F000-memory.dmp
          Download

          memory/4948-124-0x0000000000400000-0x000000000041F000-memory.dmp
          Download

          memory/5016-71-0x0000000000400000-0x000000000041F000-memory.dmp
          Download