Analysis

  • max time kernel
    6s
  • max time network
    99s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-09-2024 20:29

General

  • Target

    3c9d2e1a512c0c25b6c17c9a98d97f6d.exe

  • Size

    2.0MB

  • MD5

    3c9d2e1a512c0c25b6c17c9a98d97f6d

  • SHA1

    67a398e0233fa9f1cef67217a2c2c006466e03d4

  • SHA256

    c5a01cbe8c70d9eb515c66780b571401d3b4069dedbeecdcc7aec5107b72a556

  • SHA512

    9577c49bd4356767a879926269c93de3e2ab14c93238f8c624714c4d0168e96c8466990d365a2bee675d09e197d19cb51088cc05b9953c8f81844051d39ce85a

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYI:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yq

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\3c9d2e1a512c0c25b6c17c9a98d97f6d.exe
    "C:\Users\Admin\AppData\Local\Temp\3c9d2e1a512c0c25b6c17c9a98d97f6d.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:3824
    • 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:3088
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:3688
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3088 -s 548
          3⤵
          • Program crash
          PID:3676
      • 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:4864
        • 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:2576
        • 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:2528
          • 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:1248
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\ngjGSdoyJofK.bat" "
            4⤵
              PID:1628
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:1880
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:3980
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:1532
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 2528 -s 1984
                  4⤵
                  • Program crash
                  PID:3772
            • C:\Users\Admin\AppData\Local\Temp\3c9d2e1a512c0c25b6c17c9a98d97f6d.exe
              "C:\Users\Admin\AppData\Local\Temp\3c9d2e1a512c0c25b6c17c9a98d97f6d.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:4880
            • 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:4692
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3088 -ip 3088
            1⤵
              PID:4180
            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
              C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
              1⤵
                PID:4460
                • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                  "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                  2⤵
                    PID:4876
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k
                      3⤵
                        PID:3284
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 4876 -s 520
                        3⤵
                        • Program crash
                        PID:936
                    • C:\Users\Admin\AppData\Local\Temp\windef.exe
                      "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                      2⤵
                        PID:792
                        • 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:1700
                        • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                          "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                          3⤵
                            PID:1584
                            • 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:4768
                            • C:\Windows\SysWOW64\cmd.exe
                              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\lPnfurkp5f5X.bat" "
                              4⤵
                                PID:3036
                                • C:\Windows\SysWOW64\chcp.com
                                  chcp 65001
                                  5⤵
                                    PID:1440
                                  • C:\Windows\SysWOW64\PING.EXE
                                    ping -n 10 localhost
                                    5⤵
                                    • System Network Configuration Discovery: Internet Connection Discovery
                                    • Runs ping.exe
                                    PID:4604
                                  • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                                    "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                                    5⤵
                                      PID:3880
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -u -p 1584 -s 2276
                                    4⤵
                                    • Program crash
                                    PID:5084
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:4272
                                • 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:1188
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4876 -ip 4876
                                1⤵
                                  PID:2216
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2528 -ip 2528
                                  1⤵
                                    PID:1456
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 1584 -ip 1584
                                    1⤵
                                      PID:4520
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 3880 -ip 3880
                                      1⤵
                                        PID:1360
                                      • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                        "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                        1⤵
                                          PID:4952
                                        • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                          "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                          1⤵
                                            PID:3408
                                          • C:\Windows\system32\sihost.exe
                                            sihost.exe
                                            1⤵
                                              PID:4180
                                            • C:\Windows\system32\sihost.exe
                                              sihost.exe
                                              1⤵
                                                PID:3704
                                                • C:\Windows\explorer.exe
                                                  explorer.exe /LOADSAVEDWINDOWS
                                                  2⤵
                                                    PID:968
                                                • C:\Windows\system32\WerFaultSecure.exe
                                                  "C:\Windows\system32\WerFaultSecure.exe" -protectedcrash -p 1528 -i 1528 -h 496 -j 368 -s 544 -d 0
                                                  1⤵
                                                    PID:1600

                                                  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\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\lPnfurkp5f5X.bat

                                                    Filesize

                                                    208B

                                                    MD5

                                                    c87435b3049d0ea98977b3b85218440b

                                                    SHA1

                                                    d6f69f31a8c8971059a716ff25d886799fe82f59

                                                    SHA256

                                                    bd2aab81cf21592934bdbdc5343bcebe411813c97d38e20f157ddd46a004b799

                                                    SHA512

                                                    a928061cb097dc686e30ad094dcdf4d25c7447d1bc31019a3051a1edea0c6a8f7e3f903c87b1b61ae9384fca53433b8ece7b8dd73807e5651f52011dc343943b

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

                                                    Filesize

                                                    208B

                                                    MD5

                                                    f6bc977d3d210601db8089545d7ddc33

                                                    SHA1

                                                    9cb49bb34d0e655143070fd942f0eaab2eea47de

                                                    SHA256

                                                    49cc1334825a833f59afc583f3de4d1a2318723d7905eef9fed92d3aff0a4e0f

                                                    SHA512

                                                    b8cfe4514a372a2eed50c867659b0e1113164238585a012d8aaf88f99e148647704d845e63888482207b350a32759496da20a6f849bc9fabd9b8d846dff38704

                                                  • 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\09-16-2024

                                                    Filesize

                                                    224B

                                                    MD5

                                                    b1030c52e618be7cf08b37628be97772

                                                    SHA1

                                                    582c361c8ca733c1c28ca30bd8446080ff0dd6e5

                                                    SHA256

                                                    4bffe095db256619a920fbac1bdbec3fd8574f54ba6c96358ed280a0d75359ce

                                                    SHA512

                                                    f22992fdceba9513dd2768f3a224807ad2a9e3ec65150124fc77d15581fe0a046f46893a03beb75746868897f15bf78b093161b145531572c12839c432cdd620

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

                                                    Filesize

                                                    2.0MB

                                                    MD5

                                                    e36ada3164db9e50b6c2a3d3b478b1a8

                                                    SHA1

                                                    f977792542f54977fcfb96a7dec98d73c5871480

                                                    SHA256

                                                    7685bfd3a5d4a816e34cfbd54a5b299d3fa8598ab9a66394c0cc3c3048c303ba

                                                    SHA512

                                                    3a6a8f961596a605da583738ae5b963590f668535f9740ed5a4931c9d03d5018cfd15e6e1047d3ac44150452cd88f39cb7114001c390ebb579d1acd0312c4179

                                                  • memory/2528-45-0x0000000006310000-0x000000000631A000-memory.dmp

                                                    Filesize

                                                    40KB

                                                  • memory/3824-19-0x0000000003FA0000-0x0000000003FA1000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/4864-34-0x0000000005150000-0x00000000051E2000-memory.dmp

                                                    Filesize

                                                    584KB

                                                  • memory/4864-37-0x0000000006310000-0x000000000634C000-memory.dmp

                                                    Filesize

                                                    240KB

                                                  • memory/4864-36-0x0000000005DD0000-0x0000000005DE2000-memory.dmp

                                                    Filesize

                                                    72KB

                                                  • memory/4864-35-0x00000000050B0000-0x0000000005116000-memory.dmp

                                                    Filesize

                                                    408KB

                                                  • memory/4864-33-0x0000000005580000-0x0000000005B24000-memory.dmp

                                                    Filesize

                                                    5.6MB

                                                  • memory/4864-30-0x0000000000790000-0x00000000007EE000-memory.dmp

                                                    Filesize

                                                    376KB

                                                  • memory/4864-29-0x0000000072E5E000-0x0000000072E5F000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/4880-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                                    Filesize

                                                    128KB

                                                  • memory/4880-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                                    Filesize

                                                    128KB