Analysis

  • max time kernel
    4s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-12-2024 01:14

General

  • Target

    981934aad8f0c0c54faeebf7b46e07a92aed5f2b370d9efdc97b299f78ced80e.exe

  • Size

    2.0MB

  • MD5

    3d45e810ab946e8a5916eb219533c996

  • SHA1

    210ac59fd930b10393e4a62fb07f87c97ca7db41

  • SHA256

    981934aad8f0c0c54faeebf7b46e07a92aed5f2b370d9efdc97b299f78ced80e

  • SHA512

    54a75569abcf13b7849e3adefea742802c0c909ff4af473a3179e04873d114a5a98ef611232a523e0d3023c588c27d3934063fb153fcfc0756cc1592613935ad

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYI:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YK

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

    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 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 8 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 5 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\981934aad8f0c0c54faeebf7b46e07a92aed5f2b370d9efdc97b299f78ced80e.exe
    "C:\Users\Admin\AppData\Local\Temp\981934aad8f0c0c54faeebf7b46e07a92aed5f2b370d9efdc97b299f78ced80e.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:3580
    • 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:1380
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:4220
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1380 -s 548
          3⤵
          • Program crash
          PID:1284
      • 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:3788
        • 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:4468
        • 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
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4060
          • 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⤵
            • System Location Discovery: System Language Discovery
            • Scheduled Task/Job: Scheduled Task
            PID:3796
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\n7SnubYPTBRp.bat" "
            4⤵
              PID:2344
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4252
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:3520
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4108
                    • 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:2424
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\ACqTBglMm1RR.bat" "
                      6⤵
                        PID:4788
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:1564
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:1568
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 4108 -s 2008
                          6⤵
                          • Program crash
                          PID:5080
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 4060 -s 952
                      4⤵
                      • Program crash
                      PID:3972
                • C:\Users\Admin\AppData\Local\Temp\981934aad8f0c0c54faeebf7b46e07a92aed5f2b370d9efdc97b299f78ced80e.exe
                  "C:\Users\Admin\AppData\Local\Temp\981934aad8f0c0c54faeebf7b46e07a92aed5f2b370d9efdc97b299f78ced80e.exe"
                  2⤵
                  • System Location Discovery: System Language Discovery
                  PID:3460
                • 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:5092
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1380 -ip 1380
                1⤵
                  PID:5096
                • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  1⤵
                    PID:3524
                    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                      2⤵
                        PID:1428
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k
                          3⤵
                            PID:4796
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 1428 -s 520
                            3⤵
                            • Program crash
                            PID:4088
                        • C:\Users\Admin\AppData\Local\Temp\windef.exe
                          "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                          2⤵
                            PID:5112
                          • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                            "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                            2⤵
                              PID:2952
                            • 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:2580
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 1428 -ip 1428
                            1⤵
                              PID:3648
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4060 -ip 4060
                              1⤵
                                PID:2036
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4108 -ip 4108
                                1⤵
                                  PID:2000
                                • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                  "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                  1⤵
                                    PID:924
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:3188
                                    • C:\Windows\system32\dwm.exe
                                      "dwm.exe"
                                      1⤵
                                        PID:5096
                                      • C:\Windows\system32\dwm.exe
                                        "dwm.exe"
                                        1⤵
                                          PID:224
                                        • C:\Windows\system32\dwm.exe
                                          "dwm.exe"
                                          1⤵
                                            PID:1704
                                          • C:\Windows\system32\dwm.exe
                                            "dwm.exe"
                                            1⤵
                                              PID:4004
                                            • C:\Windows\system32\dwm.exe
                                              "dwm.exe"
                                              1⤵
                                                PID:816
                                              • C:\Windows\system32\dwm.exe
                                                "dwm.exe"
                                                1⤵
                                                  PID:4712
                                                • C:\Windows\system32\dwm.exe
                                                  "dwm.exe"
                                                  1⤵
                                                    PID:1784

                                                  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\ACqTBglMm1RR.bat

                                                    Filesize

                                                    208B

                                                    MD5

                                                    38ce3a7d72e6ae7da1a4435f002ab106

                                                    SHA1

                                                    988ce337216f9aca1412b6f8cfa4439ee158ab27

                                                    SHA256

                                                    d3871da3712c2bb20ac6b53c33dc45037323b735f2111343b2c87180636fd16c

                                                    SHA512

                                                    d49c855d2a0dbdb570f590ba0d57a6ed46b137bc9de8e39857f0f3793d716557fcc3816a539a5034483b00d77a62fc9930c09c779b87488acad51188c061c7b9

                                                  • C:\Users\Admin\AppData\Local\Temp\n7SnubYPTBRp.bat

                                                    Filesize

                                                    208B

                                                    MD5

                                                    0f92eaad5309a76e524b9c76633ec84c

                                                    SHA1

                                                    f4d022902b915a53efe58e1306cf46c1616c0989

                                                    SHA256

                                                    a268732542e2794e0fb78f9607cf3b2ddb2e467b756201be67c839b3d7d60b55

                                                    SHA512

                                                    023a1c1740fb7d12c37640dc4d957699a474867ecb2b3ea313dbcd37abc98d695f6989a13a975dcb3f7bc4a824ddde772e53636c6ebb2351387303669ded88c8

                                                  • 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\12-09-2024

                                                    Filesize

                                                    224B

                                                    MD5

                                                    48329f10a77d7093636e98c8be781305

                                                    SHA1

                                                    ce7d345b4373ddeae270e9a5a24446595bfb5c0f

                                                    SHA256

                                                    e47ea51d1fe6f982962878f70211a95ad441a9327a9fc6f28edc7d390ad1e690

                                                    SHA512

                                                    089f26ba8e10f2e4f6cb2c90f59301a85b4dfa7440ea0dff1d0c6b504ab4bd802e7100859ea27df7484c34b222898a6ef33775e17b7e1f2558dfba220006e4f5

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

                                                    Filesize

                                                    2.0MB

                                                    MD5

                                                    f07eb831181b0656899c3f656d95cf96

                                                    SHA1

                                                    6c88dccec276e83f8afa70a3462752c3469d40ce

                                                    SHA256

                                                    9fed6b48f4ceac7d5b8ad50a3a508f2152347a96309b4ebc31e98edd7b2ddb35

                                                    SHA512

                                                    df82dd0dbc0d05ac3ef4bf71a6b7950c1c65e8d930361bd5def58667e9c3624665b917497fa9ed5320950131e1413d53dda476fe0d971b716cb6f2ee85888feb

                                                  • memory/3460-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                                    Filesize

                                                    128KB

                                                  • memory/3460-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                                    Filesize

                                                    128KB

                                                  • memory/3580-19-0x00000000025E0000-0x00000000025E1000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/3788-34-0x0000000004C30000-0x0000000004CC2000-memory.dmp

                                                    Filesize

                                                    584KB

                                                  • memory/3788-37-0x0000000005EB0000-0x0000000005EEC000-memory.dmp

                                                    Filesize

                                                    240KB

                                                  • memory/3788-36-0x0000000005970000-0x0000000005982000-memory.dmp

                                                    Filesize

                                                    72KB

                                                  • memory/3788-35-0x0000000004CD0000-0x0000000004D36000-memory.dmp

                                                    Filesize

                                                    408KB

                                                  • memory/3788-33-0x0000000005140000-0x00000000056E4000-memory.dmp

                                                    Filesize

                                                    5.6MB

                                                  • memory/3788-32-0x0000000000240000-0x000000000029E000-memory.dmp

                                                    Filesize

                                                    376KB

                                                  • memory/3788-31-0x000000007347E000-0x000000007347F000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/4060-45-0x0000000006460000-0x000000000646A000-memory.dmp

                                                    Filesize

                                                    40KB