Analysis

  • max time kernel
    5s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-08-2024 04:23

General

  • Target

    f3fe35b664ab97bf68ca1a46d6e99eb0N.exe

  • Size

    2.0MB

  • MD5

    f3fe35b664ab97bf68ca1a46d6e99eb0

  • SHA1

    af70bc9738bd9963243508f00a046d7a8be4b254

  • SHA256

    ff8f4bf0e950edddd8381a40270670cd8e13c6bd213d7190ddbe93c45094449b

  • SHA512

    87e48293af881281f4c77a46290f7f1fc3c045df8cc6d870a264a3a38c09491ad2f6b2c07f6e318b9c4a0ed17f047085450048e7f0202b34019e85f39bce0509

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYg:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Ya

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 3 IoCs

    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 4 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 9 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f3fe35b664ab97bf68ca1a46d6e99eb0N.exe
    "C:\Users\Admin\AppData\Local\Temp\f3fe35b664ab97bf68ca1a46d6e99eb0N.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:1040
    • 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:5096
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:4384
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5096 -s 556
          3⤵
          • Program crash
          PID:4212
      • 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:5104
        • 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:3140
        • 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:1964
          • 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:3052
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\qjyiB2mveb5w.bat" "
            4⤵
              PID:3784
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:2700
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:3028
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:2492
                    • 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:796
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\e1VMF2vI97Sr.bat" "
                      6⤵
                        PID:1256
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:2000
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:4084
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:4788
                              • 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:3052
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 2492 -s 1956
                            6⤵
                            • Program crash
                            PID:4860
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 1964 -s 2244
                        4⤵
                        • Program crash
                        PID:2252
                  • C:\Users\Admin\AppData\Local\Temp\f3fe35b664ab97bf68ca1a46d6e99eb0N.exe
                    "C:\Users\Admin\AppData\Local\Temp\f3fe35b664ab97bf68ca1a46d6e99eb0N.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:3116
                  • 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:3488
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 5096 -ip 5096
                  1⤵
                    PID:2480
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                    • Executes dropped EXE
                    • System Location Discovery: System Language Discovery
                    • Suspicious behavior: EnumeratesProcesses
                    PID:2688
                    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                      2⤵
                        PID:4544
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k
                          3⤵
                            PID:2880
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 4544 -s 520
                            3⤵
                            • Program crash
                            PID:1484
                        • C:\Users\Admin\AppData\Local\Temp\windef.exe
                          "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                          2⤵
                            PID:3760
                          • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                            "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                            2⤵
                              PID:2788
                            • 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:2356
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4544 -ip 4544
                            1⤵
                              PID:4540
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 1964 -ip 1964
                              1⤵
                                PID:1696
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2492 -ip 2492
                                1⤵
                                  PID:1956
                                • C:\Windows\system32\dwm.exe
                                  "dwm.exe"
                                  1⤵
                                    PID:4080
                                  • C:\Windows\system32\dwm.exe
                                    "dwm.exe"
                                    1⤵
                                      PID:3292
                                    • C:\Windows\system32\dwm.exe
                                      "dwm.exe"
                                      1⤵
                                        PID:448
                                      • C:\Windows\system32\dwm.exe
                                        "dwm.exe"
                                        1⤵
                                          PID:4180
                                        • C:\Windows\system32\dwm.exe
                                          "dwm.exe"
                                          1⤵
                                            PID:3040
                                          • C:\Windows\system32\dwm.exe
                                            "dwm.exe"
                                            1⤵
                                              PID:2512
                                            • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                              "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                              1⤵
                                                PID:4484
                                              • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                                "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                                1⤵
                                                  PID:1336

                                                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\e1VMF2vI97Sr.bat

                                                  Filesize

                                                  208B

                                                  MD5

                                                  55ce66f8bf89243794404250b12df01d

                                                  SHA1

                                                  2b86aa57deab0547bc0c7cbc5508c36d1fb0e288

                                                  SHA256

                                                  851eface20d9d1eaf1dd84b73f2be45a048141baf119a9971dc9c1b806be750d

                                                  SHA512

                                                  f80388df7bca59ddf7381d687b5440d2a1d320613025e5cf481aefc3ccb4d35132332bc95af9bcb7992c9a8c332325a4b9da0b35207e2ea83dc96aeb19deb1c4

                                                • C:\Users\Admin\AppData\Local\Temp\qjyiB2mveb5w.bat

                                                  Filesize

                                                  208B

                                                  MD5

                                                  8fe87e91e847a47423f3e7765e73ed52

                                                  SHA1

                                                  db1c5413677a3fa396f7986594a768bc2e493cdd

                                                  SHA256

                                                  935782c8b2874d839418d06e46ec62cef4851d7f5ce4774825788f3510ee2f9e

                                                  SHA512

                                                  3f1284f2129414d70eabbcc6924a8427ad9126742fc5da7d3e5e6a8a5bbefa12937705eda210f398a2a3817e91cceab476a51176669167f3924274fbc1c71872

                                                • 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\08-14-2024

                                                  Filesize

                                                  224B

                                                  MD5

                                                  be9a9043e20ec0d8344f3dc27d5e9099

                                                  SHA1

                                                  34c5715c14390413df0bb074c4e02cbf90bce1f2

                                                  SHA256

                                                  3e1768f9438f15405dd4899ef4964b7bfd0220d0f73502746f5a926bedc1fbc4

                                                  SHA512

                                                  d620e1b9a89bc9616e0372972a2f80d7e41f8bd43e3259e6da27230539753f40794782b3e48366d2f7a76aabe37a2ad53cd14a1994df2c621820aa1bf7786358

                                                • C:\Users\Admin\AppData\Roaming\Logs\08-14-2024

                                                  Filesize

                                                  224B

                                                  MD5

                                                  570ee8aae3ba44e31d2af320bf442198

                                                  SHA1

                                                  af8b37f56ac50d11bef85927515fa0f378c6ec01

                                                  SHA256

                                                  6c68a5469780dbcf9c46c8cbe6cec5cccbf0682f73ace2ae8c8778274498ec9d

                                                  SHA512

                                                  738e327cac2774fbf2ff0834d5d7d62c50493613abe8cc37b562a0d54d44644d1814db6ece0d94e81b841b17c4688483130e6c3ebc4fe341187c26c0d4d4e7a5

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

                                                  Filesize

                                                  2.0MB

                                                  MD5

                                                  5393aa316d9cfe07d9927edf147aaac8

                                                  SHA1

                                                  69199966abb41fd9ea1be74f49c18f9167397ad4

                                                  SHA256

                                                  bd36956c9c86bd86ac923760eda2b0d55d8315f46855402dcbf1b4047ffbdbc4

                                                  SHA512

                                                  a3c0a0747bd699716e97f6072c664a6d69ef66c19c4236d836a9223d4999cd25db654543c3de62c0c33e12e95de13f75391226d7650dad704198228340308191

                                                • memory/1040-26-0x0000000004160000-0x0000000004161000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/1040-74-0x0000000004160000-0x0000000004161000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/1964-45-0x0000000006610000-0x000000000661A000-memory.dmp

                                                  Filesize

                                                  40KB

                                                • memory/2788-73-0x0000000000400000-0x0000000000420000-memory.dmp

                                                  Filesize

                                                  128KB

                                                • memory/2788-67-0x0000000000400000-0x0000000000420000-memory.dmp

                                                  Filesize

                                                  128KB

                                                • memory/3116-28-0x0000000000660000-0x0000000000680000-memory.dmp

                                                  Filesize

                                                  128KB

                                                • memory/3116-19-0x0000000000660000-0x0000000000680000-memory.dmp

                                                  Filesize

                                                  128KB

                                                • memory/5104-37-0x0000000006660000-0x000000000669C000-memory.dmp

                                                  Filesize

                                                  240KB

                                                • memory/5104-36-0x0000000006120000-0x0000000006132000-memory.dmp

                                                  Filesize

                                                  72KB

                                                • memory/5104-35-0x00000000053F0000-0x0000000005456000-memory.dmp

                                                  Filesize

                                                  408KB

                                                • memory/5104-34-0x00000000054A0000-0x0000000005532000-memory.dmp

                                                  Filesize

                                                  584KB

                                                • memory/5104-33-0x0000000005A50000-0x0000000005FF4000-memory.dmp

                                                  Filesize

                                                  5.6MB

                                                • memory/5104-32-0x0000000000AD0000-0x0000000000B2E000-memory.dmp

                                                  Filesize

                                                  376KB

                                                • memory/5104-29-0x000000007330E000-0x000000007330F000-memory.dmp

                                                  Filesize

                                                  4KB