Analysis

  • max time kernel
    6s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-09-2024 23:07

General

  • Target

    70a42e0bb612c882d2d37896b1e7e228c93ebbe078853d563c05faaddd093f6c.exe

  • Size

    2.0MB

  • MD5

    91147172df5d90efb2bec3f42fc0d472

  • SHA1

    174cf9bd26aec223cdd9557b01e2c1b08800bce0

  • SHA256

    70a42e0bb612c882d2d37896b1e7e228c93ebbe078853d563c05faaddd093f6c

  • SHA512

    baf3233b51d88613656d8aa70e48263e746828c8e80b8d078d8752e066c7b9df3ac831535519f3a03dba44df875b57ef1050cee220a6a29d6395231119b789bd

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYU: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.

  • 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 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 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\70a42e0bb612c882d2d37896b1e7e228c93ebbe078853d563c05faaddd093f6c.exe
    "C:\Users\Admin\AppData\Local\Temp\70a42e0bb612c882d2d37896b1e7e228c93ebbe078853d563c05faaddd093f6c.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:3400
    • 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:1540
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:796
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1540 -s 548
          3⤵
          • Program crash
          PID:2436
      • 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:2764
        • 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:3144
        • 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:3060
          • 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:1088
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\yRAlI21G5HzM.bat" "
            4⤵
              PID:2908
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:892
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:4616
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4556
                    • 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:1488
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7vDuYTmQkqLn.bat" "
                      6⤵
                        PID:924
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:2804
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:468
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:1040
                              • 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:400
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 4556 -s 2216
                            6⤵
                            • Program crash
                            PID:1196
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 3060 -s 1756
                        4⤵
                        • Program crash
                        PID:1464
                  • C:\Users\Admin\AppData\Local\Temp\70a42e0bb612c882d2d37896b1e7e228c93ebbe078853d563c05faaddd093f6c.exe
                    "C:\Users\Admin\AppData\Local\Temp\70a42e0bb612c882d2d37896b1e7e228c93ebbe078853d563c05faaddd093f6c.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:1676
                  • 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:2628
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1540 -ip 1540
                  1⤵
                    PID:2064
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3060 -ip 3060
                    1⤵
                      PID:216
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:3644
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:4280
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:464
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 4280 -s 520
                                3⤵
                                • Program crash
                                PID:1552
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:5028
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:1692
                                • 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:3672
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4280 -ip 4280
                                1⤵
                                  PID:1628
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4556 -ip 4556
                                  1⤵
                                    PID:2820

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  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\7vDuYTmQkqLn.bat

                                    Filesize

                                    208B

                                    MD5

                                    e9f0f88c2b99f8a60c8aadcbd954c05b

                                    SHA1

                                    fc6aff25e2efff8b7bb1949aad4177991520cb7d

                                    SHA256

                                    9a6c052c55919f05e84b5b37fc39f491221e9ab88915eb635a79acbbf2d5bc4d

                                    SHA512

                                    bbf6c8ef2a913305de11ee08a067739765ce04e877f41e0486d193aa78fa89d4579d92a002237bcfb78dfb6ac7221bdcf1f4de2d8d3b5730534534040a30b868

                                  • 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\Local\Temp\yRAlI21G5HzM.bat

                                    Filesize

                                    208B

                                    MD5

                                    4026e4488ebc1cad0ab29f1a0488479e

                                    SHA1

                                    601d61cfbdc8ec6ed24c046dbce5b3d8c70d4c2e

                                    SHA256

                                    0a946d2675259151496110f8d3524bacdd5c7f2e80b83b2fb8a36b631ec1e240

                                    SHA512

                                    9e361958b2d46347abe41e9e65a3b639b89f6ea4596fc849d7b4dbdc331ab6341d90116f943c460c38db743c2a9c9f199b8f76f227179f4fa68631f63733fb84

                                  • C:\Users\Admin\AppData\Roaming\Logs\09-08-2024

                                    Filesize

                                    224B

                                    MD5

                                    a05baa2fdd1dcb0732924a069f28d820

                                    SHA1

                                    a92515bb2105a6fce8d9bcbe88887c1886a5bfc9

                                    SHA256

                                    160e964f0e7c9f401efbd0033fdc8705d59bfc5a6531f3409ef8bd82f4cd9c93

                                    SHA512

                                    1f8fcf183fb3d27402c12d8d92c5f5f91ac44b2cb53ab6525d13d2b3fa2c13421cd1c581cfc329d543a8466a8689d9739bf0c78d2adbc85a56bcb1902c934a6c

                                  • C:\Users\Admin\AppData\Roaming\Logs\09-08-2024

                                    Filesize

                                    224B

                                    MD5

                                    48d48241a845cbda413289380eab5657

                                    SHA1

                                    553dabd539fc08fb63340d76bc7610e92895c885

                                    SHA256

                                    8a57acdb166a4d71f828e3c4881b2393d16a1dedbee232f4270e9b0940b5a64f

                                    SHA512

                                    3d0c33c84c1f8d0a31f50b9602b6dc64c54e6810af0bc11023ddbe440d53d7ddda4e9cddaeefe5efd3e6c69ded6b6768223f254fa865bf98c80df0e3dae5a188

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

                                    Filesize

                                    2.0MB

                                    MD5

                                    defed61ba7a26488549e70101cf9b662

                                    SHA1

                                    3fba3ebf9f4d04b5201f67cf82bd458f2c64ee59

                                    SHA256

                                    7430edaadbe48d05b07dbb3642281686af55dbeffc36d31f2770934eaef965c9

                                    SHA512

                                    5c469eb566d4dd4d2d1c242925506064fd119b20e68f8202971b30713d8122d752a8a87f007cfa1c7002b7d4146202767f00a304dfb204879e5e9b5e3729e33d

                                  • memory/1676-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/1676-19-0x0000000000400000-0x0000000000420000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/2764-35-0x0000000005F30000-0x0000000005F42000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/2764-36-0x0000000006B30000-0x0000000006B6C000-memory.dmp

                                    Filesize

                                    240KB

                                  • memory/2764-34-0x0000000005A10000-0x0000000005A76000-memory.dmp

                                    Filesize

                                    408KB

                                  • memory/2764-33-0x0000000005900000-0x0000000005992000-memory.dmp

                                    Filesize

                                    584KB

                                  • memory/2764-32-0x0000000005FC0000-0x0000000006564000-memory.dmp

                                    Filesize

                                    5.6MB

                                  • memory/2764-31-0x0000000000E70000-0x0000000000ECE000-memory.dmp

                                    Filesize

                                    376KB

                                  • memory/3060-44-0x0000000006800000-0x000000000680A000-memory.dmp

                                    Filesize

                                    40KB

                                  • memory/3400-18-0x0000000003D80000-0x0000000003D81000-memory.dmp

                                    Filesize

                                    4KB