Analysis

  • max time kernel
    5s
  • max time network
    142s
  • 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 23:28

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 2 IoCs

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

  • Executes dropped EXE 6 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 11 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 35 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:3304
    • 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:500
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:4240
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 500 -s 556
          3⤵
          • Program crash
          PID:3592
      • 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:4560
        • 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:4928
        • 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:1988
          • 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:212
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\UpG0jWPPy9p4.bat" "
            4⤵
              PID:1796
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4536
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:980
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:5100
                    • 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:4168
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\Zq66JCkwrqGG.bat" "
                      6⤵
                        PID:3500
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:1504
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:380
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:2532
                              • 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:4572
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 5100 -s 1992
                            6⤵
                            • Program crash
                            PID:3508
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 1988 -s 1648
                        4⤵
                        • Program crash
                        PID:4316
                  • C:\Users\Admin\AppData\Local\Temp\f87edcf93e2be709cf12616a0c21e2204d409def6a1c0528a1705fd554f3467e.exe
                    "C:\Users\Admin\AppData\Local\Temp\f87edcf93e2be709cf12616a0c21e2204d409def6a1c0528a1705fd554f3467e.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:3388
                  • 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:4412
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 500 -ip 500
                  1⤵
                    PID:5100
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                    • Checks computer location settings
                    • Executes dropped EXE
                    • System Location Discovery: System Language Discovery
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of WriteProcessMemory
                    PID:4992
                    • 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:404
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k
                        3⤵
                          PID:4352
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 404 -s 520
                          3⤵
                          • Program crash
                          PID:3720
                      • 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
                        PID:2148
                      • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                        "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                        2⤵
                          PID:216
                        • 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:5016
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 404 -ip 404
                        1⤵
                          PID:4404
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1988 -ip 1988
                          1⤵
                            PID:2200
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 5100 -ip 5100
                            1⤵
                              PID:876
                            • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                              "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                              1⤵
                                PID:1544
                              • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                1⤵
                                  PID:1824

                                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\UpG0jWPPy9p4.bat

                                  Filesize

                                  208B

                                  MD5

                                  c40c99c1f9f9fb7fc787d7512582a997

                                  SHA1

                                  b259abccf203208d1bb13f6f7367731ebba633c3

                                  SHA256

                                  506cabd18f33ef805d1c386387df2fb1b6900c9606211736455c1a4356e2c4e3

                                  SHA512

                                  1481872111d9385228725a7ea4221d013580c1e3d25b445ff1608ad9d099bfab4fb05fe24909d0e9dcacc5d00696ac7e24bc9bd03bbefdbbfc91b4bc4ec903c4

                                • C:\Users\Admin\AppData\Local\Temp\Zq66JCkwrqGG.bat

                                  Filesize

                                  208B

                                  MD5

                                  a0f4fb68081ea5ddd1834a7401d3ac69

                                  SHA1

                                  106fee7d561af57aa2a8697fb49bcb442ac75fbe

                                  SHA256

                                  08fb699623db6400503a6db7cfce96195e484c30cf11c096120370a080b7898e

                                  SHA512

                                  9b9a5cf5d826b05c275216746acc7abadd9189781ec9d2369c3c8ad27999e385c837260223cc961ba5f8177dc53f1456e9106a1bc6aac88cd8becd4873c106f7

                                • 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

                                  5b945131924f18c89432e073998ff807

                                  SHA1

                                  d5f5c39a314fbff5fdcacfe6f86e5aa3361569cf

                                  SHA256

                                  6042847283435e3fb03f7912c4f2731c861df3d43c62c566b5692735af092025

                                  SHA512

                                  eee14008b395ed8499ed36d0718d850f2ffb98ff4b8381bbe17d64398a152da3fdac3036fb3089a7433299352b285608008ff2316f05aa91adf885b022ede55d

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

                                  Filesize

                                  224B

                                  MD5

                                  6dcff32373032ee245bcbbb52a3e5da7

                                  SHA1

                                  2867357825ef4fcbce0edc4c6c0b7e7ec2dcfe41

                                  SHA256

                                  e17c7288054c1538d3ac62429e3a22aa889e578a8dc11d0a8843d8788c2e88a3

                                  SHA512

                                  643b281ca8b6c0d02a67a95a898b9476009a391ac66b96e2c3edf70f42fbcc21cd52dd84da68514dddcb9c23774a25ff744bfa32563ad85e7d46e06e84abd514

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

                                  Filesize

                                  2.0MB

                                  MD5

                                  a38952663aa0d7f79a91884273f90738

                                  SHA1

                                  69e359aa35dbc0e25f86e52c372f6f41dc93f248

                                  SHA256

                                  023fbc19ae44700da4306f09bb4273eb32cf5ee11c53cb9d0c5e3ec5ee2b16fd

                                  SHA512

                                  8d3b50b7eea92fb7b167a5f0ce445eee979e5f9840da86fc7b39d761180cc91e1fc98bafa6a50a6ebdbe40cdcfa28e1343771b344bc375d8ac32525337875040

                                • memory/216-73-0x0000000001040000-0x0000000001060000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/216-67-0x0000000001040000-0x0000000001060000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/1988-47-0x0000000006200000-0x000000000620A000-memory.dmp

                                  Filesize

                                  40KB

                                • memory/3304-19-0x0000000004240000-0x0000000004241000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3388-28-0x00000000001B0000-0x00000000001D0000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/3388-20-0x00000000001B0000-0x00000000001D0000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/4560-29-0x000000007349E000-0x000000007349F000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4560-37-0x0000000006990000-0x00000000069CC000-memory.dmp

                                  Filesize

                                  240KB

                                • memory/4560-36-0x0000000006450000-0x0000000006462000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4560-35-0x0000000005730000-0x0000000005796000-memory.dmp

                                  Filesize

                                  408KB

                                • memory/4560-34-0x0000000005690000-0x0000000005722000-memory.dmp

                                  Filesize

                                  584KB

                                • memory/4560-33-0x0000000005C40000-0x00000000061E4000-memory.dmp

                                  Filesize

                                  5.6MB

                                • memory/4560-32-0x0000000000D20000-0x0000000000D7E000-memory.dmp

                                  Filesize

                                  376KB