Analysis

  • max time kernel
    5s
  • max time network
    106s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-12-2024 23:48

General

  • Target

    0c37f6ebb5c938d6d675d41f3dd68c950a454067c1dcb6c18725c030c2da2e1aN.exe

  • Size

    2.0MB

  • MD5

    d749b2164372cb0aa4aafce443c60f30

  • SHA1

    eb4a1a3806b7e1e46054f90856fd0449a9c4a366

  • SHA256

    0c37f6ebb5c938d6d675d41f3dd68c950a454067c1dcb6c18725c030c2da2e1a

  • SHA512

    c931c7dfa2827efcac48cacd41aa6b5c5fface958d430e0734e23e2e47cb984ccd1213ede08f35aafe097c13e8c8ffbc7a32c9b4035c206ffeaa2e618c44b061

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY9:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yv

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.

  • Azorult family
  • Quasar RAT 3 IoCs

    Quasar is an open source Remote Access Tool.

  • Quasar family
  • 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 2 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 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 2 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\0c37f6ebb5c938d6d675d41f3dd68c950a454067c1dcb6c18725c030c2da2e1aN.exe
    "C:\Users\Admin\AppData\Local\Temp\0c37f6ebb5c938d6d675d41f3dd68c950a454067c1dcb6c18725c030c2da2e1aN.exe"
    1⤵
    • Quasar RAT
    • 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:3604
    • 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:3852
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:2456
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3852 -s 548
          3⤵
          • Program crash
          PID:4820
      • 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:4512
        • 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:3908
        • 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:2380
          • 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:2348
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\N3nnoXjA5XjY.bat" "
            4⤵
              PID:2716
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:3428
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2604
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:1776
                    • 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
                      6⤵
                      • Scheduled Task/Job: Scheduled Task
                      PID:1728
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\V1h8IltF38B4.bat" "
                      6⤵
                        PID:2968
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:2228
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:4780
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:624
                              • 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
                                8⤵
                                • Scheduled Task/Job: Scheduled Task
                                PID:4812
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 1776 -s 2260
                            6⤵
                            • Program crash
                            PID:2108
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 2380 -s 2272
                        4⤵
                        • Program crash
                        PID:2984
                  • C:\Users\Admin\AppData\Local\Temp\0c37f6ebb5c938d6d675d41f3dd68c950a454067c1dcb6c18725c030c2da2e1aN.exe
                    "C:\Users\Admin\AppData\Local\Temp\0c37f6ebb5c938d6d675d41f3dd68c950a454067c1dcb6c18725c030c2da2e1aN.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:2240
                  • 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:4816
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3852 -ip 3852
                  1⤵
                    PID:4548
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2380 -ip 2380
                    1⤵
                      PID:4196
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:1976
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:1044
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:3240
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 1044 -s 520
                                3⤵
                                • Program crash
                                PID:464
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:2868
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:1404
                                • 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:3340
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1044 -ip 1044
                                1⤵
                                  PID:1148
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 1776 -ip 1776
                                  1⤵
                                    PID:3112
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:868
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:860

                                      Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

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                                      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\N3nnoXjA5XjY.bat

                                        Filesize

                                        208B

                                        MD5

                                        424578bbcc8312e5c5b2aef0e6ffe77b

                                        SHA1

                                        304ba62c8b7db5f27b6b8301f7cb7e785e6b45a6

                                        SHA256

                                        d6d98745d46741860788730bc828e9adc4919cef6e419fd79f3dea85c6aac25f

                                        SHA512

                                        9dda9a01492c0541c4f4d43eb4330a77849ba9e423c63f8613efe9facd3a9c3aa0ea01c778fa7c177c8d3edb2f05317cae784721f0be2976f39030df749f8765

                                      • C:\Users\Admin\AppData\Local\Temp\V1h8IltF38B4.bat

                                        Filesize

                                        208B

                                        MD5

                                        e0bbf24ff450083c32b0e0df5d82891b

                                        SHA1

                                        4224b5df31ede75f18007d279726a2311d2452d3

                                        SHA256

                                        77dd60aba20abeb73d5d3b1374949f6f57ef0fb1a16b8ed297679a2aa053d9e0

                                        SHA512

                                        7fc4355ad190c073b9b49dd6d0ff98a8c83480c951a667febb5a2c548e4647f5057e2fc420861e22e90eac53e003ad444d7f3e98d656668258ff3615cbc72fe2

                                      • 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\12-02-2024

                                        Filesize

                                        224B

                                        MD5

                                        d4dd63a29285b566ec02fd56bf67b497

                                        SHA1

                                        5015f4d65f704baea66d39135b4adcfc40ceef21

                                        SHA256

                                        1b163ea80c470fa7bcc69a4c29b5addb46ad9c840753a52d99bc2afdade2ce99

                                        SHA512

                                        dc691b909c945dc384f56b82113ce60a1d5f0c6adfbe54ec7d593741669cf328ad9c2afb3753f33c1d376c003219a46f1452293621fd6c486e0a7ef4161be88d

                                      • C:\Users\Admin\AppData\Roaming\Logs\12-02-2024

                                        Filesize

                                        224B

                                        MD5

                                        64155ef021b395e4636a4670b932d62f

                                        SHA1

                                        129f80b77d50f4dd62b12d44f81652d24fd0d7b1

                                        SHA256

                                        2c3da7dbb66adc8268acd99c384da7c34e90c91d79ad55491d62b76c7f6f86a9

                                        SHA512

                                        e0834af73262b53df46558c915abf8cb4d38dfccb5adc4e7b148466cc4b65cbf737846469b9ab025b17bf0147e4ad1ad17ead784b82367fa039a3b56767461b2

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        0cf72393721ec26c0658fa0a85526caf

                                        SHA1

                                        b1cf20b24cdda5c77fd262054cf86efb426be15b

                                        SHA256

                                        631b59c31b44bb65763a128693c5345e0b0f2dea58661ac2524c104e1e6869f8

                                        SHA512

                                        4000452fa4d4c64ab0edc8462fd47d1f774643b316b8b3c368733b8e7cb8aa1923681f6b64c6d754ca7922f685ab5c22b5b32c8e470dc3eab13b73e4915063a0

                                      • memory/2240-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/2240-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/2380-45-0x00000000065A0000-0x00000000065AA000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/3604-19-0x0000000003CF0000-0x0000000003CF1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4512-37-0x0000000006890000-0x00000000068CC000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/4512-36-0x0000000006350000-0x0000000006362000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/4512-35-0x0000000005600000-0x0000000005666000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/4512-34-0x00000000056B0000-0x0000000005742000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/4512-33-0x0000000005C60000-0x0000000006204000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/4512-30-0x0000000000BB0000-0x0000000000C0E000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/4512-29-0x00000000734DE000-0x00000000734DF000-memory.dmp

                                        Filesize

                                        4KB