Analysis

  • max time kernel
    30s
  • max time network
    34s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-05-2023 22:51

General

  • Target

    Dox Tool V3 Cracked/Dox Tool V3 Cracked/Dox Tool V3 Cracked/data/doxsys.exe

  • Size

    1.0MB

  • MD5

    8f36caf603f3f2b192c5fd06a8e3c699

  • SHA1

    44f387152ee1fb02a83ed0be5e942fd4a733e235

  • SHA256

    0ca828c630091173cafd2663393888849459fbc9581d1fd062567d0afdf79a38

  • SHA512

    9df012c7420a4f6224907a8ac1e3293985b30c9ff829ecc9cdeea56fdcaa1c46d8e131fdd9b525e6af092065a29401c11f24390ba30969e9f3ab7e60e094dcba

  • SSDEEP

    12288:GNTWV+v54B9H+hyf2SF6L6D5hKMzPg9e0oEPABi:GWVa4bHwkSYa4gk0omA

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 payload 6 IoCs
  • Checks computer location settings 2 TTPs 4 IoCs

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

  • Executes dropped EXE 8 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • 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
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 2 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Dox Tool V3 Cracked\Dox Tool V3 Cracked\Dox Tool V3 Cracked\data\doxsys.exe
    "C:\Users\Admin\AppData\Local\Temp\Dox Tool V3 Cracked\Dox Tool V3 Cracked\Dox Tool V3 Cracked\data\doxsys.exe"
    1⤵
    • Quasar RAT
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4176
    • C:\Users\Admin\AppData\Local\Temp\svchost.exe
      "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2204
      • C:\Users\Admin\AppData\Local\Temp\HQUHlwGxWA.exe
        "C:\Users\Admin\AppData\Local\Temp\HQUHlwGxWA.exe"
        3⤵
        • Executes dropped EXE
        PID:4008
      • C:\Users\Admin\AppData\Roaming\svchost.exe
        "C:\Users\Admin\AppData\Roaming\svchost.exe" C:\Users\Admin\AppData\Local\Temp\svchost.exe
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4564
        • C:\Users\Admin\AppData\Local\Temp\HQUHlwGxWA.exe
          "C:\Users\Admin\AppData\Local\Temp\HQUHlwGxWA.exe"
          4⤵
          • Executes dropped EXE
          PID:4492
    • C:\Users\Admin\AppData\Local\Temp\Dox Tool V3 Cracked.exe
      "C:\Users\Admin\AppData\Local\Temp\Dox Tool V3 Cracked.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:3856
      • C:\Users\Admin\AppData\Local\Temp\WindowsUpdate.exe
        "C:\Users\Admin\AppData\Local\Temp\WindowsUpdate.exe"
        3⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4692
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks" /create /tn "WindowsUpdate" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\WindowsUpdate.exe" /rl HIGHEST /f
          4⤵
          • Creates scheduled task(s)
          PID:5104
        • C:\Windows\SysWOW64\SubDir\SystemUpdate.exe
          "C:\Windows\SysWOW64\SubDir\SystemUpdate.exe"
          4⤵
          • Executes dropped EXE
          • Drops file in System32 directory
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2608
          • C:\Windows\SysWOW64\schtasks.exe
            "schtasks" /create /tn "WindowsUpdate" /sc ONLOGON /tr "C:\Windows\SysWOW64\SubDir\SystemUpdate.exe" /rl HIGHEST /f
            5⤵
            • Creates scheduled task(s)
            PID:2084
      • C:\Users\Admin\AppData\Local\Temp\DOX.exe
        "C:\Users\Admin\AppData\Local\Temp\DOX.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:576

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

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.exe
    Filesize

    154KB

    MD5

    670f75850165e3c3ef0df41e1565ff58

    SHA1

    784ae13c951ac390d7dea0071c97aded6800b708

    SHA256

    fb128eba50fac8bc22faac39de602c306809cb37167b950bd194eb0bd9832812

    SHA512

    c0355235fbce7829dbcd3fac26ec5663b09c880826a014599127f330ddd3c16a95a0ab973fa75ddbb4ce0f8756ab2494739b04d1fda0bb799d577e493c9ca9b9

  • 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\Dox Tool V3 Cracked.exe
    Filesize

    688KB

    MD5

    19d55f26a6237985cb72c59c08d4828f

    SHA1

    8bc51ad39e35f9be7d46e9e90e754e07d9c88b80

    SHA256

    317f9d304aea7c5a4b3516f5379a63e2a4fec91578f3c3f69507c8167798062e

    SHA512

    7a9de012783f9323264fb59739b76195acedd846ea15382d67e5ab19325269a37647865aaa44da9a97fb8eacdf365c1b6c55c0920c46a6cdca6a7c73b09e19d1

  • 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\HQUHlwGxWA.exe
    Filesize

    20KB

    MD5

    0d282d4eb8db6d5152b4e5fd3e2064b5

    SHA1

    72cec747647d5d0f6ef2e5ddb34f1db68fc183e5

    SHA256

    8663bef0304a937fe47af465c03b8930a5db2dad39bf4dd1cc6baa64cc272061

    SHA512

    16b2551711afa27baf9aa95d37c2d1b0689c32930ca5a4c7fabe66ea05513f460c58b36fdb96efb26963f10cdc518934dd3f5b623d424a2f299cc47d150f1e72

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

    20KB

    MD5

    0d282d4eb8db6d5152b4e5fd3e2064b5

    SHA1

    72cec747647d5d0f6ef2e5ddb34f1db68fc183e5

    SHA256

    8663bef0304a937fe47af465c03b8930a5db2dad39bf4dd1cc6baa64cc272061

    SHA512

    16b2551711afa27baf9aa95d37c2d1b0689c32930ca5a4c7fabe66ea05513f460c58b36fdb96efb26963f10cdc518934dd3f5b623d424a2f299cc47d150f1e72

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

    20KB

    MD5

    0d282d4eb8db6d5152b4e5fd3e2064b5

    SHA1

    72cec747647d5d0f6ef2e5ddb34f1db68fc183e5

    SHA256

    8663bef0304a937fe47af465c03b8930a5db2dad39bf4dd1cc6baa64cc272061

    SHA512

    16b2551711afa27baf9aa95d37c2d1b0689c32930ca5a4c7fabe66ea05513f460c58b36fdb96efb26963f10cdc518934dd3f5b623d424a2f299cc47d150f1e72

  • 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\WebCam_Capture.dll
    Filesize

    20KB

    MD5

    94306f6cf69f7e7c0b4f10ea499f73dd

    SHA1

    3228b4c2ca9109aa86f2810afc3d528947501c92

    SHA256

    ed937977d846c19ea5a721c8f720dafc4c697c2b136c17d66d7b6a4200090a7e

    SHA512

    d6c19775a96dedbd40be96d5b3aa3fb0db3d52749e0d54667b38a2f677c94b630ab543457708a1c123776ec473e9f40f18eb4080703ee9adf08110c417dea136

  • C:\Users\Admin\AppData\Local\Temp\WindowsUpdate.exe
    Filesize

    348KB

    MD5

    a59f7fb8ac2dc166432a86eb8e2179ff

    SHA1

    9c8b24bda935e397e1c0cb33752331fe1f773b45

    SHA256

    82d315a2102a1bbd8c1533ea70f93982d2ad0fbbad3d48e9a4265c45353ceacc

    SHA512

    ff05149ca95d982ee44c820d8bc03e48d6230a7085291f0653398a410a16610038fbc336ec843db7020458fbe982762439990b348de050248758450b3ea263be

  • C:\Users\Admin\AppData\Local\Temp\WindowsUpdate.exe
    Filesize

    348KB

    MD5

    a59f7fb8ac2dc166432a86eb8e2179ff

    SHA1

    9c8b24bda935e397e1c0cb33752331fe1f773b45

    SHA256

    82d315a2102a1bbd8c1533ea70f93982d2ad0fbbad3d48e9a4265c45353ceacc

    SHA512

    ff05149ca95d982ee44c820d8bc03e48d6230a7085291f0653398a410a16610038fbc336ec843db7020458fbe982762439990b348de050248758450b3ea263be

  • C:\Users\Admin\AppData\Local\Temp\WindowsUpdate.exe
    Filesize

    348KB

    MD5

    a59f7fb8ac2dc166432a86eb8e2179ff

    SHA1

    9c8b24bda935e397e1c0cb33752331fe1f773b45

    SHA256

    82d315a2102a1bbd8c1533ea70f93982d2ad0fbbad3d48e9a4265c45353ceacc

    SHA512

    ff05149ca95d982ee44c820d8bc03e48d6230a7085291f0653398a410a16610038fbc336ec843db7020458fbe982762439990b348de050248758450b3ea263be

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

    76KB

    MD5

    a57d275fcac1be0b9aad189223a313df

    SHA1

    0762b222741fa30751dce16e7dae2bcd191adaea

    SHA256

    1c6d4e2a60849385c9b4cfbb1fc92032cb503497099208f62d7908e52b9b487b

    SHA512

    41d90ec2548654b86bba21d178bae55b538bc7acf7811b9615095e4719e52075096053427ff85428a51047f405e8d1e6a633b999655e296c9ac396fb2bba36a8

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

    76KB

    MD5

    a57d275fcac1be0b9aad189223a313df

    SHA1

    0762b222741fa30751dce16e7dae2bcd191adaea

    SHA256

    1c6d4e2a60849385c9b4cfbb1fc92032cb503497099208f62d7908e52b9b487b

    SHA512

    41d90ec2548654b86bba21d178bae55b538bc7acf7811b9615095e4719e52075096053427ff85428a51047f405e8d1e6a633b999655e296c9ac396fb2bba36a8

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

    76KB

    MD5

    a57d275fcac1be0b9aad189223a313df

    SHA1

    0762b222741fa30751dce16e7dae2bcd191adaea

    SHA256

    1c6d4e2a60849385c9b4cfbb1fc92032cb503497099208f62d7908e52b9b487b

    SHA512

    41d90ec2548654b86bba21d178bae55b538bc7acf7811b9615095e4719e52075096053427ff85428a51047f405e8d1e6a633b999655e296c9ac396fb2bba36a8

  • C:\Users\Admin\AppData\Roaming\svchost.exe
    Filesize

    76KB

    MD5

    a57d275fcac1be0b9aad189223a313df

    SHA1

    0762b222741fa30751dce16e7dae2bcd191adaea

    SHA256

    1c6d4e2a60849385c9b4cfbb1fc92032cb503497099208f62d7908e52b9b487b

    SHA512

    41d90ec2548654b86bba21d178bae55b538bc7acf7811b9615095e4719e52075096053427ff85428a51047f405e8d1e6a633b999655e296c9ac396fb2bba36a8

  • C:\Windows\SysWOW64\SubDir\SystemUpdate.exe
    Filesize

    348KB

    MD5

    a59f7fb8ac2dc166432a86eb8e2179ff

    SHA1

    9c8b24bda935e397e1c0cb33752331fe1f773b45

    SHA256

    82d315a2102a1bbd8c1533ea70f93982d2ad0fbbad3d48e9a4265c45353ceacc

    SHA512

    ff05149ca95d982ee44c820d8bc03e48d6230a7085291f0653398a410a16610038fbc336ec843db7020458fbe982762439990b348de050248758450b3ea263be

  • C:\Windows\SysWOW64\SubDir\SystemUpdate.exe
    Filesize

    348KB

    MD5

    a59f7fb8ac2dc166432a86eb8e2179ff

    SHA1

    9c8b24bda935e397e1c0cb33752331fe1f773b45

    SHA256

    82d315a2102a1bbd8c1533ea70f93982d2ad0fbbad3d48e9a4265c45353ceacc

    SHA512

    ff05149ca95d982ee44c820d8bc03e48d6230a7085291f0653398a410a16610038fbc336ec843db7020458fbe982762439990b348de050248758450b3ea263be

  • memory/576-187-0x0000000004B40000-0x0000000004BDC000-memory.dmp
    Filesize

    624KB

  • memory/576-201-0x0000000004DE0000-0x0000000004E36000-memory.dmp
    Filesize

    344KB

  • memory/576-242-0x0000000002690000-0x00000000026A0000-memory.dmp
    Filesize

    64KB

  • memory/576-200-0x00000000026A0000-0x00000000026AA000-memory.dmp
    Filesize

    40KB

  • memory/576-244-0x0000000002690000-0x00000000026A0000-memory.dmp
    Filesize

    64KB

  • memory/576-188-0x0000000005240000-0x00000000057E4000-memory.dmp
    Filesize

    5.6MB

  • memory/576-206-0x0000000002690000-0x00000000026A0000-memory.dmp
    Filesize

    64KB

  • memory/576-181-0x0000000000120000-0x000000000014C000-memory.dmp
    Filesize

    176KB

  • memory/576-211-0x0000000002690000-0x00000000026A0000-memory.dmp
    Filesize

    64KB

  • memory/2204-146-0x0000000000DD0000-0x0000000000DEA000-memory.dmp
    Filesize

    104KB

  • memory/2608-245-0x0000000004C10000-0x0000000004C20000-memory.dmp
    Filesize

    64KB

  • memory/2608-223-0x0000000004C10000-0x0000000004C20000-memory.dmp
    Filesize

    64KB

  • memory/4008-202-0x00000000003A0000-0x00000000003A8000-memory.dmp
    Filesize

    32KB

  • memory/4008-214-0x0000000000970000-0x0000000000980000-memory.dmp
    Filesize

    64KB

  • memory/4008-215-0x0000000000970000-0x0000000000980000-memory.dmp
    Filesize

    64KB

  • memory/4008-210-0x000000001B3A0000-0x000000001B3A8000-memory.dmp
    Filesize

    32KB

  • memory/4008-208-0x000000001B360000-0x000000001B368000-memory.dmp
    Filesize

    32KB

  • memory/4008-207-0x0000000000970000-0x0000000000980000-memory.dmp
    Filesize

    64KB

  • memory/4008-203-0x000000001B8B0000-0x000000001BD7E000-memory.dmp
    Filesize

    4.8MB

  • memory/4008-205-0x000000001B2C0000-0x000000001B35C000-memory.dmp
    Filesize

    624KB

  • memory/4176-133-0x00000000011E0000-0x00000000011F0000-memory.dmp
    Filesize

    64KB

  • memory/4492-241-0x00000000012B0000-0x00000000012C0000-memory.dmp
    Filesize

    64KB

  • memory/4492-243-0x00000000012B0000-0x00000000012C0000-memory.dmp
    Filesize

    64KB

  • memory/4692-212-0x0000000005400000-0x0000000005466000-memory.dmp
    Filesize

    408KB

  • memory/4692-204-0x00000000054E0000-0x00000000054F0000-memory.dmp
    Filesize

    64KB

  • memory/4692-213-0x0000000006420000-0x0000000006432000-memory.dmp
    Filesize

    72KB

  • memory/4692-216-0x0000000006840000-0x000000000687C000-memory.dmp
    Filesize

    240KB

  • memory/4692-189-0x00000000054F0000-0x0000000005582000-memory.dmp
    Filesize

    584KB

  • memory/4692-182-0x0000000000B10000-0x0000000000B6E000-memory.dmp
    Filesize

    376KB