Analysis

  • max time kernel
    25s
  • max time network
    28s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07-12-2024 22:49

General

  • Target

    Dox Tool V3 Cracked/Dox Tool V3 Cracked.exe

  • Size

    207KB

  • MD5

    6c206cadf297a02c0af977c65637a166

  • SHA1

    7d382b1e6cefd120f9d87f894e14088e18d01c73

  • SHA256

    f4f78f44719af71a363bd50107840f53f8eebf3190505c10bac2cf7be3c29e59

  • SHA512

    2672ae02fb6b768861f469556f9818fd84866d62122f243309b5f2d13c4c907b6555e968bfb4b10cd48188fe3b2182b15ee7f425ddd14835b483d0dfe721b515

  • SSDEEP

    3072:a4lci2Fg23Ii0qLTqBGsx/2JNRnvcXCevyLNgtlr:a6ci8giNLZW2HRnvKClg

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

Office04

C2

192.168.1.11:4782

Mutex

QSR_MUTEX_f39lWqYnYtP5YngtM5

Attributes
  • encryption_key

    c5q7P5jsfrwN6nB5c3mG

  • install_name

    SystemUpdate.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    WindowsUpdate

  • subdirectory

    SubDir

Signatures

  • Quasar RAT 3 IoCs

    Quasar is an open source Remote Access Tool.

  • Quasar family
  • Quasar payload 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

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

  • Drops startup file 1 IoCs
  • Executes dropped EXE 15 IoCs
  • Loads dropped DLL 24 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

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

  • Drops file in System32 directory 4 IoCs
  • Drops file in Windows directory 9 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 19 IoCs

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

  • 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 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Dox Tool V3 Cracked\Dox Tool V3 Cracked.exe
    "C:\Users\Admin\AppData\Local\Temp\Dox Tool V3 Cracked\Dox Tool V3 Cracked.exe"
    1⤵
    • Quasar RAT
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2796
    • C:\Users\Admin\AppData\Local\Temp\Dox Tool V3 Cracked\data\Launcher.exe
      "C:\Users\Admin\AppData\Local\Temp\Dox Tool V3 Cracked\data\Launcher.exe"
      2⤵
      • Drops startup file
      • Loads dropped DLL
      • Adds Run key to start application
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2676
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" add-mppreference -exclusionpath C:\Windows\IMF\
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2604
      • C:\Windows\IMF\Windows Services.exe
        "C:\Windows\IMF\Windows Services.exe" {Arguments If Needed}
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2240
        • C:\Windows\IMF\Secure System Shell.exe
          "C:\Windows\IMF\Secure System Shell.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2036
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:2232
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:2080
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:1964
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:1928
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:1732
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:2516
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:2476
    • C:\Users\Admin\AppData\Local\Temp\Dox Tool V3 Cracked\data\doxsys.exe
      "C:\Users\Admin\AppData\Local\Temp\Dox Tool V3 Cracked\data\doxsys.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2848
      • C:\Users\Admin\AppData\Local\Temp\svchost.exe
        "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:2008
        • C:\Users\Admin\AppData\Local\Temp\HQUHlwGxWA.exe
          "C:\Users\Admin\AppData\Local\Temp\HQUHlwGxWA.exe"
          4⤵
          • Executes dropped EXE
          PID:1288
      • C:\Users\Admin\AppData\Local\Temp\Dox Tool V3 Cracked.exe
        "C:\Users\Admin\AppData\Local\Temp\Dox Tool V3 Cracked.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2136
        • C:\Users\Admin\AppData\Local\Temp\WindowsUpdate.exe
          "C:\Users\Admin\AppData\Local\Temp\WindowsUpdate.exe"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Drops file in System32 directory
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2264
          • C:\Windows\SysWOW64\schtasks.exe
            "schtasks" /create /tn "WindowsUpdate" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\WindowsUpdate.exe" /rl HIGHEST /f
            5⤵
            • System Location Discovery: System Language Discovery
            • Scheduled Task/Job: Scheduled Task
            PID:1820
          • C:\Windows\SysWOW64\SubDir\SystemUpdate.exe
            "C:\Windows\SysWOW64\SubDir\SystemUpdate.exe"
            5⤵
            • Executes dropped EXE
            • Drops file in System32 directory
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            PID:1100
            • C:\Windows\SysWOW64\schtasks.exe
              "schtasks" /create /tn "WindowsUpdate" /sc ONLOGON /tr "C:\Windows\SysWOW64\SubDir\SystemUpdate.exe" /rl HIGHEST /f
              6⤵
              • System Location Discovery: System Language Discovery
              • Scheduled Task/Job: Scheduled Task
              PID:2520
        • C:\Users\Admin\AppData\Local\Temp\DOX.exe
          "C:\Users\Admin\AppData\Local\Temp\DOX.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          PID:2668

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    154KB

    MD5

    670f75850165e3c3ef0df41e1565ff58

    SHA1

    784ae13c951ac390d7dea0071c97aded6800b708

    SHA256

    fb128eba50fac8bc22faac39de602c306809cb37167b950bd194eb0bd9832812

    SHA512

    c0355235fbce7829dbcd3fac26ec5663b09c880826a014599127f330ddd3c16a95a0ab973fa75ddbb4ce0f8756ab2494739b04d1fda0bb799d577e493c9ca9b9

  • C:\Users\Admin\AppData\Local\Temp\Dox Tool V3 Cracked.exe

    Filesize

    688KB

    MD5

    19d55f26a6237985cb72c59c08d4828f

    SHA1

    8bc51ad39e35f9be7d46e9e90e754e07d9c88b80

    SHA256

    317f9d304aea7c5a4b3516f5379a63e2a4fec91578f3c3f69507c8167798062e

    SHA512

    7a9de012783f9323264fb59739b76195acedd846ea15382d67e5ab19325269a37647865aaa44da9a97fb8eacdf365c1b6c55c0920c46a6cdca6a7c73b09e19d1

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

    Filesize

    20KB

    MD5

    0d282d4eb8db6d5152b4e5fd3e2064b5

    SHA1

    72cec747647d5d0f6ef2e5ddb34f1db68fc183e5

    SHA256

    8663bef0304a937fe47af465c03b8930a5db2dad39bf4dd1cc6baa64cc272061

    SHA512

    16b2551711afa27baf9aa95d37c2d1b0689c32930ca5a4c7fabe66ea05513f460c58b36fdb96efb26963f10cdc518934dd3f5b623d424a2f299cc47d150f1e72

  • C:\Users\Admin\AppData\Local\Temp\WebCam_Capture.dll

    Filesize

    20KB

    MD5

    94306f6cf69f7e7c0b4f10ea499f73dd

    SHA1

    3228b4c2ca9109aa86f2810afc3d528947501c92

    SHA256

    ed937977d846c19ea5a721c8f720dafc4c697c2b136c17d66d7b6a4200090a7e

    SHA512

    d6c19775a96dedbd40be96d5b3aa3fb0db3d52749e0d54667b38a2f677c94b630ab543457708a1c123776ec473e9f40f18eb4080703ee9adf08110c417dea136

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

    Filesize

    76KB

    MD5

    a57d275fcac1be0b9aad189223a313df

    SHA1

    0762b222741fa30751dce16e7dae2bcd191adaea

    SHA256

    1c6d4e2a60849385c9b4cfbb1fc92032cb503497099208f62d7908e52b9b487b

    SHA512

    41d90ec2548654b86bba21d178bae55b538bc7acf7811b9615095e4719e52075096053427ff85428a51047f405e8d1e6a633b999655e296c9ac396fb2bba36a8

  • C:\Windows\IMF\Runtime Explorer.exe

    Filesize

    152KB

    MD5

    03f5e0141f4519f0c5ac26ce0b036a0f

    SHA1

    4f7a2a230e7a194a898cc9f2d563ac8777fe99c0

    SHA256

    78a408c628e33e3332645f480ee7ce01b5dc24fc96cf16ffa0868d43f3d421ef

    SHA512

    86a68f040654006e06b51c5714e0d7168d0d1bef7f3c39843632068104f773f771d21be4bc251d712f3e915cd1058f89ad31d9e3f3d9e7cf6da6785cbf22d8d7

  • C:\Windows\IMF\Secure System Shell.exe

    Filesize

    45KB

    MD5

    7d0c7359e5b2daa5665d01afdc98cc00

    SHA1

    c3cc830c8ffd0f53f28d89dcd9f3426be87085cb

    SHA256

    f1abd5ab03189e82971513e6ca04bd372fcf234d670079888f01cf4addd49809

    SHA512

    a8f82b11b045d8dd744506f4f56f3382b33a03684a6aebc91a02ea901c101b91cb43b7d0213f72f39cbb22f616ecd5de8b9e6c99fb5669f26a3ea6bcb63c8407

  • C:\Windows\IMF\Windows Services.exe

    Filesize

    46KB

    MD5

    ad0ce1302147fbdfecaec58480eb9cf9

    SHA1

    874efbc76e5f91bc1425a43ea19400340f98d42b

    SHA256

    2c339b52b82e73b4698a0110cdfe310c00c5c69078e9e1bd6fa1308652bf82a3

    SHA512

    adccd5520e01b673c2fc5c451305fe31b1a3e74891aece558f75fefc50218adf1fb81bb8c7f19969929d3fecb0fdb2cb5b564400d51e0a5a1ad8d5bc2d4eed53

  • \Users\Admin\AppData\Local\Temp\WindowsUpdate.exe

    Filesize

    348KB

    MD5

    a59f7fb8ac2dc166432a86eb8e2179ff

    SHA1

    9c8b24bda935e397e1c0cb33752331fe1f773b45

    SHA256

    82d315a2102a1bbd8c1533ea70f93982d2ad0fbbad3d48e9a4265c45353ceacc

    SHA512

    ff05149ca95d982ee44c820d8bc03e48d6230a7085291f0653398a410a16610038fbc336ec843db7020458fbe982762439990b348de050248758450b3ea263be

  • memory/1288-137-0x00000000002E0000-0x00000000002E8000-memory.dmp

    Filesize

    32KB

  • memory/2008-28-0x0000000000200000-0x000000000021A000-memory.dmp

    Filesize

    104KB

  • memory/2036-88-0x00000000001A0000-0x00000000001B2000-memory.dmp

    Filesize

    72KB

  • memory/2240-78-0x0000000000290000-0x00000000002A2000-memory.dmp

    Filesize

    72KB

  • memory/2264-45-0x0000000000D50000-0x0000000000DAE000-memory.dmp

    Filesize

    376KB

  • memory/2668-46-0x0000000000C40000-0x0000000000C6C000-memory.dmp

    Filesize

    176KB

  • memory/2676-6-0x0000000001080000-0x00000000010FE000-memory.dmp

    Filesize

    504KB

  • memory/2676-5-0x00000000749C0000-0x00000000750AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2676-3-0x0000000001200000-0x0000000001214000-memory.dmp

    Filesize

    80KB

  • memory/2676-4-0x00000000749C0000-0x00000000750AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2676-81-0x00000000749C0000-0x00000000750AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2676-7-0x00000000749C0000-0x00000000750AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2796-11-0x00000000749C0000-0x00000000750AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2796-0-0x00000000749CE000-0x00000000749CF000-memory.dmp

    Filesize

    4KB

  • memory/2796-2-0x00000000749C0000-0x00000000750AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2796-1-0x0000000000810000-0x000000000084A000-memory.dmp

    Filesize

    232KB