Analysis

  • max time kernel
    4s
  • max time network
    86s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-09-2024 16:37

General

  • Target

    8ce13b810d29f411d891acc9ca4a9750N.exe

  • Size

    2.0MB

  • MD5

    8ce13b810d29f411d891acc9ca4a9750

  • SHA1

    c91eafc187a99fe887bc0ec86facb33804933b09

  • SHA256

    b53f00e044f31150953f2094c3428cc2b4904c1bed176ae8675cfb022e44e34f

  • SHA512

    4bf10ad16737db76a07a6892bf0ddce6fb6cc9174517cfad0f63d3ab8f7d5f4e34e43f3c74289d62f27719296e4f488de2c9b922a0ef224081fb059a0b15b820

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYQ:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yu

Malware Config

Extracted

Family

azorult

C2

http://0x21.in:8000/_az/

Extracted

Family

quasar

Version

1.3.0.0

Botnet

EbayProfiles

C2

5.8.88.191:443

sockartek.icu:443

Mutex

QSR_MUTEX_0kBRNrRz5TDLEQouI0

Attributes
  • encryption_key

    MWhG6wsClMX8aJM2CVXT

  • install_name

    winsock.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    win defender run

  • subdirectory

    SubDir

Signatures

  • Azorult

    An information stealer that was first discovered in 2016, targeting browsing history and passwords.

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar payload 3 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Looks up external IP address via web service 1 IoCs

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

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 6 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8ce13b810d29f411d891acc9ca4a9750N.exe
    "C:\Users\Admin\AppData\Local\Temp\8ce13b810d29f411d891acc9ca4a9750N.exe"
    1⤵
    • Checks computer location settings
    • Enumerates connected drives
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2696
    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2896
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:1352
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2896 -s 548
          3⤵
          • Program crash
          PID:32
      • C:\Users\Admin\AppData\Local\Temp\windef.exe
        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2016
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks" /create /tn "win defender run" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\windef.exe" /rl HIGHEST /f
          3⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:3760
        • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
          "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
          3⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:4428
          • C:\Windows\SysWOW64\schtasks.exe
            "schtasks" /create /tn "win defender run" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe" /rl HIGHEST /f
            4⤵
            • Scheduled Task/Job: Scheduled Task
            PID:1812
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\bqo85rBqkdib.bat" "
            4⤵
              PID:3868
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:2536
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:4256
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:3512
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 4428 -s 1976
                  4⤵
                  • Program crash
                  PID:772
            • C:\Users\Admin\AppData\Local\Temp\8ce13b810d29f411d891acc9ca4a9750N.exe
              "C:\Users\Admin\AppData\Local\Temp\8ce13b810d29f411d891acc9ca4a9750N.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:3104
            • C:\Windows\SysWOW64\schtasks.exe
              "C:\Windows\SysWOW64\schtasks.exe" /create /tn RtkAudioService64 /tr "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe" /sc minute /mo 1 /F
              2⤵
              • System Location Discovery: System Language Discovery
              • Scheduled Task/Job: Scheduled Task
              PID:4872
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2896 -ip 2896
            1⤵
              PID:1496
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4428 -ip 4428
              1⤵
                PID:2884
              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                1⤵
                  PID:3148
                  • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                    "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                    2⤵
                      PID:4064
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k
                        3⤵
                          PID:860
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 4064 -s 520
                          3⤵
                          • Program crash
                          PID:4152
                      • C:\Users\Admin\AppData\Local\Temp\windef.exe
                        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                        2⤵
                          PID:4992
                          • C:\Windows\SysWOW64\schtasks.exe
                            "schtasks" /create /tn "win defender run" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\windef.exe" /rl HIGHEST /f
                            3⤵
                            • Scheduled Task/Job: Scheduled Task
                            PID:4104
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            3⤵
                              PID:1772
                              • C:\Windows\SysWOW64\schtasks.exe
                                "schtasks" /create /tn "win defender run" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe" /rl HIGHEST /f
                                4⤵
                                • Scheduled Task/Job: Scheduled Task
                                PID:540
                              • C:\Windows\SysWOW64\cmd.exe
                                C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\scyPIoAU7exY.bat" "
                                4⤵
                                  PID:400
                                  • C:\Windows\SysWOW64\chcp.com
                                    chcp 65001
                                    5⤵
                                      PID:2176
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -u -p 1772 -s 1720
                                    4⤵
                                    • Program crash
                                    PID:2388
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:5048
                                • C:\Windows\SysWOW64\schtasks.exe
                                  "C:\Windows\SysWOW64\schtasks.exe" /create /tn RtkAudioService64 /tr "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe" /sc minute /mo 1 /F
                                  2⤵
                                  • Scheduled Task/Job: Scheduled Task
                                  PID:2556
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 4064 -ip 4064
                                1⤵
                                  PID:4376
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1772 -ip 1772
                                  1⤵
                                    PID:856

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\windef.exe.log

                                    Filesize

                                    1KB

                                    MD5

                                    10eab9c2684febb5327b6976f2047587

                                    SHA1

                                    a12ed54146a7f5c4c580416aecb899549712449e

                                    SHA256

                                    f49dbd55029bfbc15134f7c6a4f967d6c39142c63f2e8f1f8c78fab108a2c928

                                    SHA512

                                    7e5fd90fffae723bd0c662a90e0730b507805f072771ee673d1d8c262dbf60c8a03ba5fe088f699a97c2e886380de158b2ccd59ee62e3d012dd6dd14ea9d0e50

                                  • C:\Users\Admin\AppData\Local\Temp\bqo85rBqkdib.bat

                                    Filesize

                                    208B

                                    MD5

                                    69f52c730903ac6f33e795a3e8fa0983

                                    SHA1

                                    be598b9c3cac55b0c00bb8fea48d48ba0f7b8d68

                                    SHA256

                                    c1b28db3cb4a364217f87cf4cadb8c91e3be1e9bf537ebd26c78c23dc5adc78c

                                    SHA512

                                    5b32244cb5fbd58463d379159972c6413ddbce31070e705078b0b0e463d342f838fdac0114b779d551a5da90696607a5d606adb6c7c92b89be6ca8520ad29db6

                                  • C:\Users\Admin\AppData\Local\Temp\scyPIoAU7exY.bat

                                    Filesize

                                    208B

                                    MD5

                                    814d4671618653be8dcb3cff05f182b6

                                    SHA1

                                    12c2c2fdd8c00fdb3c5875616cec223347666987

                                    SHA256

                                    2bd7523ab9940fbc0dcb89d1a72672dd5d07993d0c572cfb022ecb1c1e7dae69

                                    SHA512

                                    efb5b67aaa2936c9a55e3fd3c72537087ef34b0a12d34214668a2e5d5a71c71e046ba631dd6dab6ee600913dac2f3edfa6aff7e7fccab695034d3372af762ed6

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

                                    Filesize

                                    405KB

                                    MD5

                                    b8ba87ee4c3fc085a2fed0d839aadce1

                                    SHA1

                                    b3a2e3256406330e8b1779199bb2b9865122d766

                                    SHA256

                                    4e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4

                                    SHA512

                                    7a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2

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

                                    Filesize

                                    349KB

                                    MD5

                                    b4a202e03d4135484d0e730173abcc72

                                    SHA1

                                    01b30014545ea526c15a60931d676f9392ea0c70

                                    SHA256

                                    7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

                                    SHA512

                                    632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

                                  • C:\Users\Admin\AppData\Roaming\Logs\09-11-2024

                                    Filesize

                                    224B

                                    MD5

                                    c9a4a72b265739e51b676d15e65cd293

                                    SHA1

                                    631947f532bd5b3bbd3a28b833c4e3a0b507500e

                                    SHA256

                                    aefef4e8c179988b3d7e0891809fb25faea896a0664cc95d8ebc1b7319fb5a4d

                                    SHA512

                                    fef01126db841f7060271d2c9588294613727ce66d5d269f8833fde5e82bf3eb8af815b8afcb0f3593a59fc2c0be611188f64038a2ba31a02e3ea6bcd05c8628

                                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe

                                    Filesize

                                    2.0MB

                                    MD5

                                    67c27e61ca0d5db5cdf631ab31edfb46

                                    SHA1

                                    4d71f34210c3d0fcd98ea556e076eba8aef17f45

                                    SHA256

                                    9d347396e974c58f5892a48debc805c87c5ff7236dde71bd320a478faffd7c0a

                                    SHA512

                                    f77d57c6f7a3fe99e0cef4e68b68e8fdd22faa44ca06412c0f3f696d2c7c5c68e1c9c2a5d352ec5107a44ede64f93228d8be6998963409d0bbab201a3df8ad72

                                  • memory/2016-29-0x0000000072BFE000-0x0000000072BFF000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/2016-32-0x0000000000170000-0x00000000001CE000-memory.dmp

                                    Filesize

                                    376KB

                                  • memory/2016-35-0x0000000004BB0000-0x0000000004C16000-memory.dmp

                                    Filesize

                                    408KB

                                  • memory/2016-36-0x00000000058D0000-0x00000000058E2000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/2016-37-0x0000000005E10000-0x0000000005E4C000-memory.dmp

                                    Filesize

                                    240KB

                                  • memory/2016-34-0x0000000004C30000-0x0000000004CC2000-memory.dmp

                                    Filesize

                                    584KB

                                  • memory/2016-33-0x00000000051E0000-0x0000000005784000-memory.dmp

                                    Filesize

                                    5.6MB

                                  • memory/2696-19-0x0000000003C50000-0x0000000003C51000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3104-28-0x0000000000B10000-0x0000000000B30000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/3104-20-0x0000000000B10000-0x0000000000B30000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/3148-92-0x0000000073490000-0x000000007349F000-memory.dmp

                                    Filesize

                                    60KB

                                  • memory/4428-45-0x00000000069C0000-0x00000000069CA000-memory.dmp

                                    Filesize

                                    40KB

                                  • memory/5048-71-0x0000000000400000-0x0000000000420000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/5048-77-0x0000000000400000-0x0000000000420000-memory.dmp

                                    Filesize

                                    128KB