Analysis

  • max time kernel
    360s
  • max time network
    371s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    13-09-2024 18:56

Errors

Reason
Machine shutdown

General

  • Target

    AuroraALPHABUILD.0-6 - Copy (2).exe

  • Size

    231.7MB

  • MD5

    3cda647a8948f3ac4df14abf6f1d62c1

  • SHA1

    f4da28914a3938e7de76546bcf911f539672459a

  • SHA256

    c905d2c1b9df641f12daab74948cef579aa92b6f07c36f97ed70146b615411c1

  • SHA512

    77c0cd078ab2d2765237c3cc68a4872a81db653f1ad6a42122b786b27c7d48842577a65e88ad61e549e13b5be0df51e25b5f026089a19833e9da71f8c30c0cdd

  • SSDEEP

    6144:0MNHXf500MU8zfjEm0beDmcCl/QOqNgJyCqv7cc:Rd505jwmZmcgSNgJyrv7cc

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

gimp1

C2

193.42.33.210:4444

gimpdns.ddns.net:4444

Mutex

QSR_MUTEX_XwuUSTCgYhmnf6vJ1L

Attributes
  • encryption_key

    lRzFKjYQKUKzh6RyUYYQ

  • install_name

    svchost.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    svchost

  • subdirectory

    SubDir

Signatures

  • Quasar RAT 3 IoCs

    Quasar is an open source Remote Access Tool.

  • Quasar payload 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 25 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 use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 51 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\AuroraALPHABUILD.0-6 - Copy (2).exe
    "C:\Users\Admin\AppData\Local\Temp\AuroraALPHABUILD.0-6 - Copy (2).exe"
    1⤵
    • Quasar RAT
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5064
    • C:\Windows\SysWOW64\schtasks.exe
      "schtasks" /create /tn "svchost" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\AuroraALPHABUILD.0-6 - Copy (2).exe" /rl HIGHEST /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3388
    • C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe
      "C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4872
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks" /create /tn "svchost" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe" /rl HIGHEST /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:480
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks" /delete /tn "svchost" /f
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1164
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tWU0zW6K2FgE.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4332
        • C:\Windows\SysWOW64\chcp.com
          chcp 65001
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1804
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 10 localhost
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:4412
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:1772
    • C:\Users\Admin\AppData\Local\Temp\AuroraALPHABUILD.0-6 - Copy (2).exe
      "C:\Users\Admin\AppData\Local\Temp\AuroraALPHABUILD.0-6 - Copy (2).exe"
      1⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4044
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks" /create /tn "svchost" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\AuroraALPHABUILD.0-6 - Copy (2).exe" /rl HIGHEST /f
        2⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3880
      • C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe
        "C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe"
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:3000
    • C:\Users\Admin\AppData\Local\Temp\AuroraALPHABUILD.0-6 - Copy (3).exe
      "C:\Users\Admin\AppData\Local\Temp\AuroraALPHABUILD.0-6 - Copy (3).exe"
      1⤵
      • System Location Discovery: System Language Discovery
      PID:4556
    • C:\Users\Admin\AppData\Local\Temp\AuroraALPHABUILD.0-6 - Copy (4).exe
      "C:\Users\Admin\AppData\Local\Temp\AuroraALPHABUILD.0-6 - Copy (4).exe"
      1⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1244
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks" /create /tn "svchost" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\AuroraALPHABUILD.0-6 - Copy (4).exe" /rl HIGHEST /f
        2⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:5012
      • C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe
        "C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe"
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3128
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks" /create /tn "svchost" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe" /rl HIGHEST /f
          3⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:3056
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks" /delete /tn "svchost" /f
          3⤵
          • System Location Discovery: System Language Discovery
          PID:2480
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\HaVjGoTf4mDs.bat" "
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1864
          • C:\Windows\SysWOW64\chcp.com
            chcp 65001
            4⤵
            • System Location Discovery: System Language Discovery
            PID:1044
          • C:\Windows\SysWOW64\PING.EXE
            ping -n 10 localhost
            4⤵
            • System Location Discovery: System Language Discovery
            • System Network Configuration Discovery: Internet Connection Discovery
            • Runs ping.exe
            PID:3652
    • C:\Users\Admin\AppData\Local\Temp\AuroraALPHABUILD.0-6 - Copy (5).exe
      "C:\Users\Admin\AppData\Local\Temp\AuroraALPHABUILD.0-6 - Copy (5).exe"
      1⤵
      • System Location Discovery: System Language Discovery
      PID:2688
    • C:\Users\Admin\AppData\Local\Temp\AuroraALPHABUILD.0-6 - Copy (4).exe
      "C:\Users\Admin\AppData\Local\Temp\AuroraALPHABUILD.0-6 - Copy (4).exe"
      1⤵
      • System Location Discovery: System Language Discovery
      PID:224
    • C:\Users\Admin\AppData\Local\Temp\AuroraALPHABUILD.0-6 - Copy (5).exe
      "C:\Users\Admin\AppData\Local\Temp\AuroraALPHABUILD.0-6 - Copy (5).exe"
      1⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3344
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks" /create /tn "svchost" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\AuroraALPHABUILD.0-6 - Copy (5).exe" /rl HIGHEST /f
        2⤵
        • Scheduled Task/Job: Scheduled Task
        PID:3724
    • C:\Users\Admin\AppData\Local\Temp\AuroraALPHABUILD.0-6 - Copy (2).exe
      "C:\Users\Admin\AppData\Local\Temp\AuroraALPHABUILD.0-6 - Copy (2).exe"
      1⤵
      • System Location Discovery: System Language Discovery
      PID:4320
    • C:\Users\Admin\AppData\Local\Temp\AuroraALPHABUILD.0-6 - Copy (3).exe
      "C:\Users\Admin\AppData\Local\Temp\AuroraALPHABUILD.0-6 - Copy (3).exe"
      1⤵
      • System Location Discovery: System Language Discovery
      PID:1884
    • C:\Users\Admin\AppData\Local\Temp\AuroraALPHABUILD.0-6 - Copy (4).exe
      "C:\Users\Admin\AppData\Local\Temp\AuroraALPHABUILD.0-6 - Copy (4).exe"
      1⤵
        PID:5048

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\AuroraALPHABUILD.0-6 - Copy (2).exe.log

        Filesize

        1KB

        MD5

        0d57fc33826cdd8ab7f1fd188829748d

        SHA1

        40fab51cd74493d07e0c37af6bfee896e9d0cef6

        SHA256

        4ff6a3eca1a0964fa036fcc54b2fa2137de9ade61e8140cee7e3136352445c41

        SHA512

        dd02119b787943e580156d89ea75ad38eff863bf560d4ec33fa4e52202f0b6252e928322f73e3a3e11685fb0cff204af4d67c6818bdf9812d7b458c362965aaa

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\AuroraALPHABUILD.0-6 - Copy (4).exe.log

        Filesize

        701B

        MD5

        a0c99cab2d0348a3d06a8ed2ac281be9

        SHA1

        abe85b62a3e758c71585a0be2ca133f4928d8242

        SHA256

        ed6940279bac21a6da297553ce2fc88d123c45428326418531c922d3c8bd4959

        SHA512

        19d2d3004fba1debe3ef7df8c7705fe50ef7174f64d1899464005b34840c95f1a9d02b8de3cf7f0a3ee8a303182a1b4a0186e69252c6a133ba7c355235ecd46b

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\svchost.exe.log

        Filesize

        1KB

        MD5

        d5cf39e4865acb8cd1af44027be63ecd

        SHA1

        bef4b1ab9975adb9624ab2a988079c05f8c83307

        SHA256

        978d60c61bf59758166a44a3720eef108221b3243e88b1d9cdf4f5c79452578b

        SHA512

        8736ea1515b8958251f6b91971d0bb4f88a83e233e2c192164924d75eb6015519ca0223f971e2336371445b117ba3858ba88b8bb132617dae1f7c8b13c36ccad

      • C:\Users\Admin\AppData\Local\Temp\HaVjGoTf4mDs.bat

        Filesize

        263B

        MD5

        173dc19daf4009d06ad045a91325467d

        SHA1

        7603bf06b004e23d451b2387ce553563dc22cad3

        SHA256

        d8e000cdcfa4c2be286483cf28988b78e0f6772d22661be3e86814cca657b4cb

        SHA512

        d4ab1f02526122f5578a60bcc1d9ac13381d5495161708f5ef3f7334808e7767bfb8cb9ca2fde7e92ac00da7d8eeecf4f8c94f2a4715b7020fa3d7277d51e157

      • C:\Users\Admin\AppData\Local\Temp\tWU0zW6K2FgE.bat

        Filesize

        263B

        MD5

        eecb2431db0504b174ce7ee5f044cdea

        SHA1

        8077fd1dfb76e7f9b7d07ef2f67df007705173ba

        SHA256

        c07a31b4cb69567958ee69355cbe140e99d95b88bb5963b47ff2490538bb4f72

        SHA512

        dab3727264f32792f04f3e69e2b1170361c7c31c769caac5529eeb02122c3aa1eea0d85a9ca863193e01af842ffe3cb1942e9877bbe28ca35e89b69f72b8f5da

      • C:\Users\Admin\AppData\Roaming\Logs\09-13-~1

        Filesize

        224B

        MD5

        f5f0e4d3877c2592f37c27e1bd7c10af

        SHA1

        71e89750dc7a38e9998bf5cf7d6e4d3ab4cdeb56

        SHA256

        87d5e45248743d7e5d582c11fc0e7d139868f55f60fa9203b4dbc85c3b474e1b

        SHA512

        2212fd2b42948572873310f189aeb6db1d660d92d8fd47fae956b73584aa207925de880f0f76464ce5bcf1ec7bf0db1d8878838316d3a87a2be415ec89020b3f

      • C:\Users\Admin\AppData\Roaming\Logs\09-13-~1

        Filesize

        224B

        MD5

        9240377831cf50e9c24f233a623df76e

        SHA1

        d1c845ae07b3f0c206f57700af08aeed49c8d18e

        SHA256

        96411d37a775f92dd1838ecda76a2903334d20b86caadc1e3d0de33db4d2662b

        SHA512

        9130d70d1c0d3115de3c3a02db7dc6394999ca9afb3c370bb2aa473d0a0a69fad2d20bf24cf4ead9fe08f1043113244e93306e0d49a5a8596a6e7f178b356b52

      • memory/4872-17-0x0000000007150000-0x000000000715A000-memory.dmp

        Filesize

        40KB

      • memory/4872-14-0x0000000074BE0000-0x0000000075391000-memory.dmp

        Filesize

        7.7MB

      • memory/4872-18-0x0000000074BE0000-0x0000000075391000-memory.dmp

        Filesize

        7.7MB

      • memory/4872-24-0x0000000074BE0000-0x0000000075391000-memory.dmp

        Filesize

        7.7MB

      • memory/5064-15-0x0000000074BE0000-0x0000000075391000-memory.dmp

        Filesize

        7.7MB

      • memory/5064-0-0x0000000074BEE000-0x0000000074BEF000-memory.dmp

        Filesize

        4KB

      • memory/5064-7-0x00000000067C0000-0x00000000067FC000-memory.dmp

        Filesize

        240KB

      • memory/5064-6-0x0000000006290000-0x00000000062A2000-memory.dmp

        Filesize

        72KB

      • memory/5064-5-0x0000000005420000-0x0000000005486000-memory.dmp

        Filesize

        408KB

      • memory/5064-4-0x0000000074BE0000-0x0000000075391000-memory.dmp

        Filesize

        7.7MB

      • memory/5064-3-0x00000000054B0000-0x0000000005542000-memory.dmp

        Filesize

        584KB

      • memory/5064-2-0x0000000005A60000-0x0000000006006000-memory.dmp

        Filesize

        5.6MB

      • memory/5064-1-0x0000000000910000-0x000000000096E000-memory.dmp

        Filesize

        376KB