Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-09-2024 07:42

General

  • Target

    АОАОАОАОА БЕСПЛАТНЫЕ РОБУКСЫ.exe

  • Size

    745KB

  • MD5

    5e82f4a00b31da2ecd210a7c7575e29d

  • SHA1

    518e5f78b256ee794ebbc8f96275993a9252be23

  • SHA256

    80446e16d616fee4a8ffeef94f2dc1f5737435d07a111de9622f13a98a5f196e

  • SHA512

    5f794743493acff89407966cdc2b3df386389d90f2468ec5a32c4df2a2ba6dfddea60886ab14a6e9a1b4ddc173989278e2c7397d430aea8c01297b40d782a900

  • SSDEEP

    12288:sBpoIY///1UFxJF80IsoBVnsNxd2LFErkUzw2jtQsnmeTRf7qrc5PPjr21tM/7nf:ZIY/4FcHG/MnUzVhmMRfG4lLr2M/T

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

HacKed

C2

thomas-drops.gl.at.ply.gg:45773

Mutex

Windows Update

Attributes
  • reg_key

    Windows Update

  • splitter

    |Hassan|

Signatures

  • DcRat

    DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

  • Process spawned unexpected child process 21 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • UAC bypass 3 TTPs 6 IoCs
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • DCRat payload 3 IoCs

    Detects payload of DCRat, commonly dropped by NSIS installers.

  • Checks computer location settings 2 TTPs 5 IoCs

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

  • Drops startup file 2 IoCs
  • Executes dropped EXE 4 IoCs
  • Checks whether UAC is enabled 1 TTPs 4 IoCs
  • Drops file in Program Files directory 8 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • Modifies registry class 3 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 21 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 37 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs
  • System policy modification 1 TTPs 6 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\АОАОАОАОА БЕСПЛАТНЫЕ РОБУКСЫ.exe
    "C:\Users\Admin\AppData\Local\Temp\АОАОАОАОА БЕСПЛАТНЫЕ РОБУКСЫ.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:5076
    • C:\Users\Admin\AppData\Local\Temp\gggg.exe
      "C:\Users\Admin\AppData\Local\Temp\gggg.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:3916
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\ChainComponentBrowserwin\zJJP8u9NRTk6u.vbe"
        3⤵
        • Checks computer location settings
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2984
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\ChainComponentBrowserwin\ZckenFSJPCIUJWjfI5CZYMEmaPZVg.bat" "
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2976
          • C:\ChainComponentBrowserwin\reviewdriver.exe
            "C:\ChainComponentBrowserwin\reviewdriver.exe"
            5⤵
            • UAC bypass
            • Checks computer location settings
            • Executes dropped EXE
            • Checks whether UAC is enabled
            • Drops file in Program Files directory
            • Drops file in Windows directory
            • Modifies registry class
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:2864
            • C:\Windows\System32\cmd.exe
              "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\hiMlS8Mhb9.bat"
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:3428
              • C:\Windows\system32\w32tm.exe
                w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
                7⤵
                  PID:4516
                • C:\Recovery\WindowsRE\conhost.exe
                  "C:\Recovery\WindowsRE\conhost.exe"
                  7⤵
                  • UAC bypass
                  • Checks computer location settings
                  • Executes dropped EXE
                  • Checks whether UAC is enabled
                  • Modifies registry class
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious behavior: GetForegroundWindowSpam
                  • Suspicious use of AdjustPrivilegeToken
                  • Suspicious use of WriteProcessMemory
                  • System policy modification
                  PID:4056
                  • C:\Windows\System32\WScript.exe
                    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\1b714d46-915f-445e-a1eb-91ef77ffc8fa.vbs"
                    8⤵
                      PID:1912
                    • C:\Windows\System32\WScript.exe
                      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\c56c9f36-571b-45c8-a35f-aee655d70b1f.vbs"
                      8⤵
                        PID:5000
          • C:\Users\Admin\AppData\Local\Temp\Server.exe
            "C:\Users\Admin\AppData\Local\Temp\Server.exe"
            2⤵
            • Drops startup file
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            PID:5084
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "smsss" /sc MINUTE /mo 5 /tr "'C:\Windows\es-ES\smss.exe'" /f
          1⤵
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:756
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\Windows\es-ES\smss.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:2960
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "smsss" /sc MINUTE /mo 11 /tr "'C:\Windows\es-ES\smss.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:2352
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "ServerS" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Windows Mail\Server.exe'" /f
          1⤵
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:744
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "Server" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Mail\Server.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:4100
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "ServerS" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Windows Mail\Server.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:2744
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "explorere" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Windows Portable Devices\explorer.exe'" /f
          1⤵
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:2484
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Portable Devices\explorer.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:4532
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "explorere" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Windows Portable Devices\explorer.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:4436
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 11 /tr "'C:\Recovery\WindowsRE\conhost.exe'" /f
          1⤵
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:4992
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "conhost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\conhost.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:2124
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 8 /tr "'C:\Recovery\WindowsRE\conhost.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:3388
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 10 /tr "'C:\Program Files\Common Files\Services\winlogon.exe'" /f
          1⤵
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:4964
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\Program Files\Common Files\Services\winlogon.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:3240
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 9 /tr "'C:\Program Files\Common Files\Services\winlogon.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:1500
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "TrustedInstallerT" /sc MINUTE /mo 14 /tr "'C:\Program Files\MSBuild\Microsoft\TrustedInstaller.exe'" /f
          1⤵
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:4320
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "TrustedInstaller" /sc ONLOGON /tr "'C:\Program Files\MSBuild\Microsoft\TrustedInstaller.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:956
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "TrustedInstallerT" /sc MINUTE /mo 7 /tr "'C:\Program Files\MSBuild\Microsoft\TrustedInstaller.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:1636
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 7 /tr "'C:\ChainComponentBrowserwin\dwm.exe'" /f
          1⤵
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:220
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\ChainComponentBrowserwin\dwm.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:2072
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 12 /tr "'C:\ChainComponentBrowserwin\dwm.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:5068

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ChainComponentBrowserwin\ZckenFSJPCIUJWjfI5CZYMEmaPZVg.bat

          Filesize

          46B

          MD5

          3e83fda43f1932bb71d930d2f89e68b2

          SHA1

          1fa2f89990c21a7f0eebfbf06f7064c19e46b081

          SHA256

          ecb36758516d13f656baac1a37f3af9dd3e683e8aab3847d65bb82c9eb05cb51

          SHA512

          d6efea92b244d10f5a0e2b228782cc7e1b45fcf262dcc7ea709a9ab8fa458b2e8d3e3bfa4cdf4a4852812d01bb9ff1c7bba65abbe62527e5a84e5b3b15f8ea9b

        • C:\ChainComponentBrowserwin\reviewdriver.exe

          Filesize

          948KB

          MD5

          2e2c059f61338c40914c10d40502e57e

          SHA1

          e6cb5a1ffdf369b3135c72ab12d71cc3d5f2b053

          SHA256

          8e4df816223a625bf911553d5f80219f81fc44f07ba98c95f379fd12169c2918

          SHA512

          1b1f2dae55f50874532b37ad4ab74a54452f65d7499004b37b0afc3dc2c1d16d66a0e41c1733ac1f4cff9993325d32ea714b441c06ba4eba350136835c746d3e

        • C:\ChainComponentBrowserwin\zJJP8u9NRTk6u.vbe

          Filesize

          230B

          MD5

          b9b72befe720ec640eb23938f752a453

          SHA1

          c621298c3cfac9aa9c5cdfebd5efa0a1b01c7b34

          SHA256

          bddc35ffa29cfc10fc39778a551335781091aec61771943662e66cdf4c4a07ad

          SHA512

          4d119e2aba40fe14d624690103d08620369eeeb0a922a3091027a7cf90597db7d491653ed356eb85a45104bdcbd3eb5876e5c4c508ed85d0e235d71a65578f26

        • C:\Users\Admin\AppData\Local\Temp\1b714d46-915f-445e-a1eb-91ef77ffc8fa.vbs

          Filesize

          709B

          MD5

          b5a6185d500748e27263ad6d8fc655e2

          SHA1

          bab34e2c806702abe45fd21b40922a2124120517

          SHA256

          2a505ab8afd1c506d5d8856306e8e62ce6875101b845165ee362e3f28009805f

          SHA512

          d6900bfeffec1f6407e25094c296789a15a03876c82b4decdf21b05166237bee9ab15a5a3538f79dde306089e315294de833183d534620c5d757f830b4af50de

        • C:\Users\Admin\AppData\Local\Temp\Server.exe

          Filesize

          43KB

          MD5

          eab8788760465b2b46598ff289b4b8c4

          SHA1

          8c7b27c7ec66ea41f7e20afaf1394fb71b7c4a35

          SHA256

          7ba3084c6d0fcc0e6e1fedfdd04d24768b819aaf309b933d0f4243c37297821f

          SHA512

          996471d395c297950a4df7140cf0dda388f87ad8a26fb99feb35fa265873b77a7e100520df69770fbe1554ad4bf7f877f9214a61b44326353935dfe7def12ed0

        • C:\Users\Admin\AppData\Local\Temp\c56c9f36-571b-45c8-a35f-aee655d70b1f.vbs

          Filesize

          485B

          MD5

          04533346e91a633e235fb48696201ff0

          SHA1

          506ad839ab7e0fa64f316b301008b9c45d65c97f

          SHA256

          3fca16451641ae9b8f77955c93884d2faf146bdbb9edda90a771d4a7e3903001

          SHA512

          a07d328899c5f0c65e0bccaa8bb0c3ddb1229f0704bd64b7794fd8079a2bd5d2a241f57a3edd6dd1fbf807218b126768c96b478bc743f92e2b50533655a3dc32

        • C:\Users\Admin\AppData\Local\Temp\gggg.exe

          Filesize

          1.2MB

          MD5

          c5607848210b7d664771584276d7d7ae

          SHA1

          9a395fbac63306fa240e51646cad80a803064352

          SHA256

          16de1516d3fc00a0873b270ffa44f20c13524827a88798e2743afe0bb06b9815

          SHA512

          ef9c622ee75161fc038456a2a7e7b9e881f66852dd06331fa2fecac13ce4d585b332672d51a6c8ab3dfd5a99de22b863dd52b53750669d0175aea45ed08a6e8b

        • C:\Users\Admin\AppData\Local\Temp\hiMlS8Mhb9.bat

          Filesize

          198B

          MD5

          7bfc1ac8f6cac4f4d7571ae401382948

          SHA1

          a2a7e4ebcb57154df885ef136d7196a0cd5e240e

          SHA256

          e6a072219529654ddf81fe6a780ffabb907f711e8a126dd8c473b87d35d3e59f

          SHA512

          9deb2d205d9eb01abaf22b4e18d849a45295d5df4eec246c78b092602b5d1b268978f636b4a05aa1ee2ffa1772f6590107a8e314dcf25763625866c51808074a

        • memory/2864-41-0x0000000000EA0000-0x0000000000EAC000-memory.dmp

          Filesize

          48KB

        • memory/2864-40-0x0000000000E90000-0x0000000000E9A000-memory.dmp

          Filesize

          40KB

        • memory/2864-42-0x0000000000EC0000-0x0000000000ECA000-memory.dmp

          Filesize

          40KB

        • memory/2864-39-0x00000000004E0000-0x00000000005D4000-memory.dmp

          Filesize

          976KB

        • memory/5076-1-0x0000000000530000-0x00000000005F0000-memory.dmp

          Filesize

          768KB

        • memory/5076-7-0x00007FF99E430000-0x00007FF99EEF1000-memory.dmp

          Filesize

          10.8MB

        • memory/5076-19-0x00007FF99E430000-0x00007FF99EEF1000-memory.dmp

          Filesize

          10.8MB

        • memory/5076-0-0x00007FF99E433000-0x00007FF99E435000-memory.dmp

          Filesize

          8KB

        • memory/5084-22-0x00000000007B0000-0x00000000007C2000-memory.dmp

          Filesize

          72KB

        • memory/5084-20-0x0000000073DBE000-0x0000000073DBF000-memory.dmp

          Filesize

          4KB

        • memory/5084-24-0x0000000005A20000-0x0000000005FC4000-memory.dmp

          Filesize

          5.6MB

        • memory/5084-23-0x00000000051D0000-0x000000000526C000-memory.dmp

          Filesize

          624KB

        • memory/5084-64-0x0000000005570000-0x000000000557A000-memory.dmp

          Filesize

          40KB

        • memory/5084-65-0x0000000073DBE000-0x0000000073DBF000-memory.dmp

          Filesize

          4KB

        • memory/5084-66-0x0000000073DB0000-0x0000000074560000-memory.dmp

          Filesize

          7.7MB

        • memory/5084-25-0x0000000005590000-0x0000000005622000-memory.dmp

          Filesize

          584KB

        • memory/5084-26-0x0000000073DB0000-0x0000000074560000-memory.dmp

          Filesize

          7.7MB