Analysis

  • max time kernel
    5s
  • max time network
    102s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-12-2024 23:25

General

  • Target

    f87edcf93e2be709cf12616a0c21e2204d409def6a1c0528a1705fd554f3467e.exe

  • Size

    2.0MB

  • MD5

    8a7a833cd2f827f64c55ceb0e8f7c635

  • SHA1

    1349e783e9ee3f9709069f443e8a7a440ff58795

  • SHA256

    f87edcf93e2be709cf12616a0c21e2204d409def6a1c0528a1705fd554f3467e

  • SHA512

    47da5635b0b07bbc4324bb5bc494a4bec0e020f94d8c33261f947975c2d7769505299548be6d4a6955b934f2437b3cb6b4512b493116e71209501758f0b8fe62

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYi:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YI

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 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 7 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\f87edcf93e2be709cf12616a0c21e2204d409def6a1c0528a1705fd554f3467e.exe
    "C:\Users\Admin\AppData\Local\Temp\f87edcf93e2be709cf12616a0c21e2204d409def6a1c0528a1705fd554f3467e.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:3960
    • 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:1392
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:2480
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1392 -s 540
          3⤵
          • Program crash
          PID:1756
      • 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:3420
        • 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:4104
        • 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:5060
          • 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:2276
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\PwYHr5avcIU7.bat" "
            4⤵
              PID:1416
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4280
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2032
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:3636
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 5060 -s 2252
                  4⤵
                  • Program crash
                  PID:716
            • C:\Users\Admin\AppData\Local\Temp\f87edcf93e2be709cf12616a0c21e2204d409def6a1c0528a1705fd554f3467e.exe
              "C:\Users\Admin\AppData\Local\Temp\f87edcf93e2be709cf12616a0c21e2204d409def6a1c0528a1705fd554f3467e.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:3612
            • 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:212
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 1392 -ip 1392
            1⤵
              PID:1672
            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
              C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
              1⤵
                PID:1456
                • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                  "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                  2⤵
                    PID:3968
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k
                      3⤵
                        PID:1380
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 3968 -s 520
                        3⤵
                        • Program crash
                        PID:3480
                    • C:\Users\Admin\AppData\Local\Temp\windef.exe
                      "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                      2⤵
                        PID:5084
                        • 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:2756
                        • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                          "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                          3⤵
                            PID:1252
                            • 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:4584
                            • C:\Windows\SysWOW64\cmd.exe
                              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\HEoKTgLRNU3f.bat" "
                              4⤵
                                PID:2296
                                • C:\Windows\SysWOW64\chcp.com
                                  chcp 65001
                                  5⤵
                                    PID:3884
                                  • C:\Windows\SysWOW64\PING.EXE
                                    ping -n 10 localhost
                                    5⤵
                                    • System Network Configuration Discovery: Internet Connection Discovery
                                    • Runs ping.exe
                                    PID:4272
                                  • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                                    "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                                    5⤵
                                      PID:1256
                                      • 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:4780
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -u -p 1252 -s 2264
                                    4⤵
                                    • Program crash
                                    PID:644
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:3040
                                • 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:212
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 3968 -ip 3968
                                1⤵
                                  PID:1552
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 5060 -ip 5060
                                  1⤵
                                    PID:4364
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1252 -ip 1252
                                    1⤵
                                      PID:2896

                                    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\Microsoft\CLR_v4.0_32\UsageLogs\winsock.exe.log

                                      Filesize

                                      701B

                                      MD5

                                      5de8527438c860bfa3140dc420a03e52

                                      SHA1

                                      235af682986b3292f20d8d71a8671353f5d6e16d

                                      SHA256

                                      d9d92cd6e7a4507912965138b8d1eabb3f188f4dfcb61115ee99dc2c0fd43a92

                                      SHA512

                                      77c3a774a2235c55ad520f1bf0c71fa3d3f0e7cf478a78e0d4dd6d253ee12a9859acc9ee822664467387788a2655a18373c8fcf08ea0d001549d3d4391b00bf8

                                    • C:\Users\Admin\AppData\Local\Temp\HEoKTgLRNU3f.bat

                                      Filesize

                                      208B

                                      MD5

                                      5fb1707f0da451a04eb14f5aad59043f

                                      SHA1

                                      3d14a1c2b3cb17798ca2557e5d1462c075bca234

                                      SHA256

                                      c6e32ded40488fd48c8f52aeeb1873a6b4b6f0ffc933b478ce7d6fe3f3a3f311

                                      SHA512

                                      5b8497664116e07d1649ef02b4cf1339ddebcfb6291540c0f2a4327cccb340e9fb9d0b272b29ed7c13f1a7c6ac12206942299e18341bded159119e71a9064079

                                    • C:\Users\Admin\AppData\Local\Temp\PwYHr5avcIU7.bat

                                      Filesize

                                      208B

                                      MD5

                                      056e18cecfc9bf9025d6d83fdf9da0ed

                                      SHA1

                                      266abeeb98adf6c8b9849f10acedf0e2256c510e

                                      SHA256

                                      ba33970735e5a99e107634e3dd57a9c19b573622d1fa5149facbd53b4c1a7895

                                      SHA512

                                      187ab03fcb0c375842c3c22f04595ea88217d7e9024cc98ae1e9369b8d42fd728324c989edfb6eec05f07fe43008a0ec6d50a23e5e93c3aaca7d5d534fab2383

                                    • 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\12-03-2024

                                      Filesize

                                      224B

                                      MD5

                                      a7e6dbe4532037149bcef6e2c5f655dc

                                      SHA1

                                      3b812a7d418854301a214a941957cc39531886bd

                                      SHA256

                                      22b388db1af9805cf4e3b4d054d416d19fc5e7759a8a6529fc7f5ef4f1402e00

                                      SHA512

                                      d8912248152d1b553035c568308ddf0e9c43111122f9b549699888788586084287d619f8cd6f48ad2fee9b0a525e4a6ee6bf1c676a6f59a93008ea069722f8d6

                                    • C:\Users\Admin\AppData\Roaming\Logs\12-03-2024

                                      Filesize

                                      224B

                                      MD5

                                      126d0d6e45476de284e27eb1f1ed3fa7

                                      SHA1

                                      a3d10adff70bf195556db268c095733a43fee5f6

                                      SHA256

                                      20ee6a0dd0829c0029614112ce709cc7fd06286200a1b30c31b5c655d73492bd

                                      SHA512

                                      f9ad487659b19bb58ecd7f05d98063d0888aa08fc6c1a551645dd244526bd39b040fd6ad7d8f3f4c44ac2c04f4a4f250e952fb420b1bc29f4e69a796a223dbca

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

                                      Filesize

                                      2.0MB

                                      MD5

                                      43da2dd2e0cf4960ca22bcb4a940ee0e

                                      SHA1

                                      395792a495d47ab505a78b319b7faf701070b67f

                                      SHA256

                                      95a41ecd668c5dc68fa29a52842cc8ad741b86f17395516b9dc2c89272e3c4f8

                                      SHA512

                                      9c4d32dd24b0905f79b939ae7a4564ad3e17f9bb40917ac455b6a84706abcfb09572812f148e037b2e95a12666d8314624b0bb60d8b2608719ebaca8b0a27be3

                                    • memory/3040-77-0x0000000000340000-0x0000000000360000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/3040-71-0x0000000000340000-0x0000000000360000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/3420-29-0x00000000737EE000-0x00000000737EF000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/3420-37-0x00000000060B0000-0x00000000060EC000-memory.dmp

                                      Filesize

                                      240KB

                                    • memory/3420-36-0x0000000005B70000-0x0000000005B82000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/3420-35-0x0000000004E70000-0x0000000004ED6000-memory.dmp

                                      Filesize

                                      408KB

                                    • memory/3420-34-0x0000000004EF0000-0x0000000004F82000-memory.dmp

                                      Filesize

                                      584KB

                                    • memory/3420-33-0x00000000054A0000-0x0000000005A44000-memory.dmp

                                      Filesize

                                      5.6MB

                                    • memory/3420-32-0x0000000000530000-0x000000000058E000-memory.dmp

                                      Filesize

                                      376KB

                                    • memory/3612-28-0x0000000000360000-0x0000000000380000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/3612-20-0x0000000000360000-0x0000000000380000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/3960-19-0x00000000045C0000-0x00000000045C1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/5060-45-0x0000000006890000-0x000000000689A000-memory.dmp

                                      Filesize

                                      40KB