Analysis

  • max time kernel
    5s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240910-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-09-2024 17:53

General

  • Target

    db267859c910c7702f813be24252443af342bdd18be6f3eb1af427ceb0178669N.exe

  • Size

    2.0MB

  • MD5

    956503d9e8e0233355f09ce1dbce20a0

  • SHA1

    edc6866739438c71e7ceced1ad5459100371d7ce

  • SHA256

    db267859c910c7702f813be24252443af342bdd18be6f3eb1af427ceb0178669

  • SHA512

    ebb3851e4308b6d6513dc5b37fa79bd64f821833bd21d41e06c8b38e95d954c8643fb71cc68c8398c18094358831b5cf09709c10fbc7f93b5842d5ba093fc07c

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY3:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YB

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\db267859c910c7702f813be24252443af342bdd18be6f3eb1af427ceb0178669N.exe
    "C:\Users\Admin\AppData\Local\Temp\db267859c910c7702f813be24252443af342bdd18be6f3eb1af427ceb0178669N.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:3272
    • 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:1972
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:1668
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 176
          3⤵
          • Program crash
          PID:4072
      • 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:324
        • 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:4132
        • 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:2328
          • 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:1904
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\mKJGcaff0GnE.bat" "
            4⤵
              PID:4164
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4892
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:3964
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4056
                    • 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:2464
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\L3R9kOYhkaUd.bat" "
                      6⤵
                        PID:1484
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:1928
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:1164
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:1472
                              • 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:2492
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 4056 -s 2240
                            6⤵
                            • Program crash
                            PID:4552
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 2328 -s 1992
                        4⤵
                        • Program crash
                        PID:4644
                  • C:\Users\Admin\AppData\Local\Temp\db267859c910c7702f813be24252443af342bdd18be6f3eb1af427ceb0178669N.exe
                    "C:\Users\Admin\AppData\Local\Temp\db267859c910c7702f813be24252443af342bdd18be6f3eb1af427ceb0178669N.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:3308
                  • 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:3024
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1972 -ip 1972
                  1⤵
                    PID:3476
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:1104
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:4028
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:760
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 4028 -s 520
                              3⤵
                              • Program crash
                              PID:1472
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:2756
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:2740
                              • 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:644
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4028 -ip 4028
                              1⤵
                                PID:3784
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2328 -ip 2328
                                1⤵
                                  PID:5056
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 4056 -ip 4056
                                  1⤵
                                    PID:5068

                                  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\L3R9kOYhkaUd.bat

                                    Filesize

                                    208B

                                    MD5

                                    a6b6fe3339e540e8f33ce996e5567495

                                    SHA1

                                    1d574a9bfa40788399d83bc40a26b6668076622e

                                    SHA256

                                    db34238a8262ccfb64b4caf129d74ab57350c3ebbf61647aec7363b5529982d0

                                    SHA512

                                    4eee3b8d5e02fdc047da70cc1025fc2a851e11bff9dfb013a98099c1a8193dcd98435542da0f76162aa51643d693b2f5300635874426065341b60fcd6767c590

                                  • C:\Users\Admin\AppData\Local\Temp\mKJGcaff0GnE.bat

                                    Filesize

                                    208B

                                    MD5

                                    1dfec22562571fc38c487b5acdce3785

                                    SHA1

                                    03dd0909203bb7051ac31b0fe7e1e05bfdf9d0d4

                                    SHA256

                                    3cbd276f6bb1f2183f3c473ff6d7db82641a1e5ee737a4964a98e685d82ff80e

                                    SHA512

                                    6000a60c15893b929f391731dd7cd635e7477d8dc74d8e5fce17a71fe77df3aecd4ae6a4beb485bb208a2d3ecc7da60a64b3741de38247f09e0a1cab9ba57fcd

                                  • 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\09-18-2024

                                    Filesize

                                    224B

                                    MD5

                                    09d4cf0b076cd19e02d5cf564fa3fc4d

                                    SHA1

                                    ec0b95375dc997eefc13d5bf6d43241900c6c997

                                    SHA256

                                    55a799dccfc81c24e2bdf1f4c0fa01aee82bb0762394d4662c77ea2e627d52ae

                                    SHA512

                                    b243b095d9c27922025f42a7b9fb17616ca3e9e35432db7797a4412ba7356b869efe2cf55be5fbc70a7dfd7b44bce8153d9897734bd9d3f3d400390e10283b9f

                                  • C:\Users\Admin\AppData\Roaming\Logs\09-18-2024

                                    Filesize

                                    224B

                                    MD5

                                    379d9cb059157327f1aed57ac24d0431

                                    SHA1

                                    d805c899e57c5e65b9b79d399e4a78e262e693e3

                                    SHA256

                                    d49ccf4dc50fb1872b20d9dd9645505c88be113dbedcf7d7d0f69c7d96a0f93e

                                    SHA512

                                    bf7be559d89917d9dfec8a54f5827ff185d780fdc15b4d9d94208c0ebb78899c71a46d2cbb6c35edd51628d2550726f304f9333ad097dd8f560ec4110d83832c

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

                                    Filesize

                                    2.0MB

                                    MD5

                                    2810fc9fbe5642e2f51631ce57a60588

                                    SHA1

                                    7708908204fcc92f4b9d27d9e6b998883877987e

                                    SHA256

                                    3f86e9a73717a4aa317ce427a2771a550bd11c73da027ee23c8d22a6ef1bb959

                                    SHA512

                                    e8de28821bd2283663caa14bdcb442e3b30a4f7805748ac97df1655808b764a4c69e83754b7959db7d41950e57abfbe1de702bcdc60b55301a79457d43f87152

                                  • memory/324-36-0x0000000005190000-0x00000000051A2000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/324-35-0x0000000004B20000-0x0000000004B86000-memory.dmp

                                    Filesize

                                    408KB

                                  • memory/324-34-0x0000000004C10000-0x0000000004CA2000-memory.dmp

                                    Filesize

                                    584KB

                                  • memory/324-37-0x0000000005D90000-0x0000000005DCC000-memory.dmp

                                    Filesize

                                    240KB

                                  • memory/324-33-0x00000000051C0000-0x0000000005764000-memory.dmp

                                    Filesize

                                    5.6MB

                                  • memory/324-32-0x00000000000D0000-0x000000000012E000-memory.dmp

                                    Filesize

                                    376KB

                                  • memory/324-29-0x000000007360E000-0x000000007360F000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/2328-45-0x0000000006D10000-0x0000000006D1A000-memory.dmp

                                    Filesize

                                    40KB

                                  • memory/2740-67-0x0000000000310000-0x0000000000330000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/2740-73-0x0000000000310000-0x0000000000330000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/3272-19-0x0000000003830000-0x0000000003831000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3308-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/3308-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                    Filesize

                                    128KB