Analysis

  • max time kernel
    5s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-09-2024 13:42

Errors

Reason
Machine shutdown

General

  • Target

    dttcodexgigas.exe

  • Size

    2.0MB

  • MD5

    2682c293cea03730717dac871d530df4

  • SHA1

    ff3af3b1905743b61216d9b2179be7bb61f79e6c

  • SHA256

    60af1dce003b91b95da248c04f066ade411cff3a32d8234cf2e13b8f85ec95e6

  • SHA512

    fea8ba2bfc0eb1a3b2a9bfe528ba805d2229d3bc7205627b9beec6a5a2c7dfb36a9b30a079305f06902f334fa1a9c571f926360fb894b651253388cc62229d8a

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYl:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YX

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

    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 1 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\dttcodexgigas.exe
    "C:\Users\Admin\AppData\Local\Temp\dttcodexgigas.exe"
    1⤵
    • 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:2672
    • 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:1416
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:4308
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1416 -s 556
          3⤵
          • Program crash
          PID:4260
      • 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:4512
        • 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:4644
        • 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:1532
          • 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:1204
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\2zdM0nATN9p9.bat" "
            4⤵
              PID:3620
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:3908
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2732
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:5096
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 1532 -s 2244
                  4⤵
                  • Program crash
                  PID:3220
            • C:\Users\Admin\AppData\Local\Temp\dttcodexgigas.exe
              "C:\Users\Admin\AppData\Local\Temp\dttcodexgigas.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:3384
            • 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:392
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1416 -ip 1416
            1⤵
              PID:3436
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1532 -ip 1532
              1⤵
                PID:740
              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                1⤵
                  PID:1864
                  • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                    "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                    2⤵
                      PID:3552
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k
                        3⤵
                          PID:2904
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 3552 -s 520
                          3⤵
                          • Program crash
                          PID:3776
                      • C:\Users\Admin\AppData\Local\Temp\windef.exe
                        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                        2⤵
                          PID:4124
                          • 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:2352
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            3⤵
                              PID:3656
                              • 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:1208
                              • C:\Windows\SysWOW64\cmd.exe
                                C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\3kUT9DgIb2G9.bat" "
                                4⤵
                                  PID:2928
                                  • C:\Windows\SysWOW64\chcp.com
                                    chcp 65001
                                    5⤵
                                      PID:4980
                                    • C:\Windows\SysWOW64\PING.EXE
                                      ping -n 10 localhost
                                      5⤵
                                      • System Network Configuration Discovery: Internet Connection Discovery
                                      • Runs ping.exe
                                      PID:1476
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -u -p 3656 -s 2272
                                    4⤵
                                    • Program crash
                                    PID:4700
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:3048
                                • 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:4380
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3552 -ip 3552
                                1⤵
                                  PID:5008
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3656 -ip 3656
                                  1⤵
                                    PID:1496
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:1204
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:3012
                                      • C:\Windows\system32\sihost.exe
                                        sihost.exe
                                        1⤵
                                          PID:4036

                                        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\2zdM0nATN9p9.bat

                                          Filesize

                                          208B

                                          MD5

                                          d9cc2566cfb41bb0b70334c1e1640eff

                                          SHA1

                                          a176952c2bfe08a6a89937863582f2cfad01a718

                                          SHA256

                                          d921cf549b6e38c68fcf2d620d74f36095dbd42f4cc30f0713ca03021691a903

                                          SHA512

                                          e6553d4e8a7d1d872f4fcb41ce3976e860a04024e0685833cb77ca2120bd862caef11c39e8aedd65ffb284d6363b4956ca9ac6c6a87bbc7affc338fae3be2f88

                                        • C:\Users\Admin\AppData\Local\Temp\3kUT9DgIb2G9.bat

                                          Filesize

                                          208B

                                          MD5

                                          7e71ff504d5715c00a1d3590122de590

                                          SHA1

                                          a9d6f5b3ee0bc808b35a88b44042bf60262ac6e1

                                          SHA256

                                          dee02fd16d5e8202dbf9831cd314550ae35b0f5c03f4fd2c2b60e9e6fb72b134

                                          SHA512

                                          bbe6772716215ee19a372fed5c68642a3e9a613275730f398073fc36d3f6e4a25ac6c7e08004da28cafe09b037ed2f3c0967d3f8826846ab71152d0ad0a694c7

                                        • 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\09-17-2024

                                          Filesize

                                          224B

                                          MD5

                                          8f635b06c2808f16f444c94640518d3b

                                          SHA1

                                          c92b1578fd350fd844e2c16bee504fd2316180db

                                          SHA256

                                          ac642194554b1c97a6b49a521b49fdc5400913e5528bf7f4d1b1394f26bded7f

                                          SHA512

                                          6abe27e1a90880a50f8aab3e91ce0f1c1068ed02034e4ef1ce09b27767ff38cb91a9e9341a8b0c6f5805197acd8a3c4639a3f9bc7d56a8aafb510ccbda39e368

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

                                          Filesize

                                          2.0MB

                                          MD5

                                          3a37ff0c40679843db1a03699c63b6d6

                                          SHA1

                                          519db034c48d7628ce9e903b812e5880a348889f

                                          SHA256

                                          48c4796c3a1c0e0339326d1de4b37f947f9f8219b5c6aa5cd97274d4ac986a07

                                          SHA512

                                          090337fbb1f71174429ac190daf44fa428c5e6cd5b08f4c00fea0cbd1a33751ef03bc2398d8cd8d33e3428adac6e43d4f9dba6742667431319e35839d2d8ca59

                                        • memory/1532-44-0x0000000006B80000-0x0000000006B8A000-memory.dmp

                                          Filesize

                                          40KB

                                        • memory/2672-19-0x0000000003EE0000-0x0000000003EE1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/2928-90-0x0000000000580000-0x00000000005DA000-memory.dmp

                                          Filesize

                                          360KB

                                        • memory/3048-76-0x0000000000400000-0x0000000000420000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/3048-70-0x0000000000400000-0x0000000000420000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/3384-28-0x00000000007A0000-0x00000000007C0000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/3384-21-0x00000000007A0000-0x00000000007C0000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/4512-31-0x0000000000AC0000-0x0000000000B1E000-memory.dmp

                                          Filesize

                                          376KB

                                        • memory/4512-36-0x0000000006630000-0x000000000666C000-memory.dmp

                                          Filesize

                                          240KB

                                        • memory/4512-35-0x0000000005940000-0x0000000005952000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/4512-34-0x0000000005510000-0x0000000005576000-memory.dmp

                                          Filesize

                                          408KB

                                        • memory/4512-33-0x0000000005470000-0x0000000005502000-memory.dmp

                                          Filesize

                                          584KB

                                        • memory/4512-32-0x0000000005980000-0x0000000005F24000-memory.dmp

                                          Filesize

                                          5.6MB