Analysis

  • max time kernel
    136s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-01-2025 08:43

General

  • Target

    JaffaCakes118_98600590c6930d77cb2436917e666cb9.exe

  • Size

    844KB

  • MD5

    98600590c6930d77cb2436917e666cb9

  • SHA1

    e31ab0e597082ee1e415d0523a13b5d9175963c9

  • SHA256

    435385b409d5a3b1868b6d25016b9deb9ae6dd488341a0ab7af6ba345be1b376

  • SHA512

    55f3d5ebb77d2448bc961406967e2642dd720bba0d8278421cba27c8e3a18578f8ba85edb3a7072ed3032edd6f411225245ab9ff42cb85afd40b697d3e6af237

  • SSDEEP

    12288:1l94NkE0XOHXzMidGXY4LzPkTOAO+u8ixFUibMcXVY+RWb/vu7ZxNRf9XB5b:XVE0SdGXY4n4O+KIIYm6ebNh9RN

Malware Config

Signatures

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar family
  • Quasar payload 1 IoCs
  • Checks computer location settings 2 TTPs 6 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Using powershell.exe command.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 15 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.

  • Modifies registry class 2 IoCs
  • Runs ping.exe 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 55 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_98600590c6930d77cb2436917e666cb9.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_98600590c6930d77cb2436917e666cb9.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3036
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\_Tahpdhij.vbs"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4780
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Set-MpPreference -ExclusionPath C:\,'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\WinRAR\WinRAR.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2540
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_98600590c6930d77cb2436917e666cb9.exe
      C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_98600590c6930d77cb2436917e666cb9.exe
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:4816
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\YG5hHNX9Pj4E.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1612
        • C:\Windows\SysWOW64\chcp.com
          chcp 65001
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2568
        • 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:4632
        • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_98600590c6930d77cb2436917e666cb9.exe
          "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_98600590c6930d77cb2436917e666cb9.exe"
          4⤵
          • Checks computer location settings
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4108
          • C:\Windows\SysWOW64\WScript.exe
            "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\_Tahpdhij.vbs"
            5⤵
            • Checks computer location settings
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2888
            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
              "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Set-MpPreference -ExclusionPath C:\,'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\WinRAR\WinRAR.exe'
              6⤵
              • Command and Scripting Interpreter: PowerShell
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:4392
          • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_98600590c6930d77cb2436917e666cb9.exe
            C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_98600590c6930d77cb2436917e666cb9.exe
            5⤵
              PID:1404
            • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_98600590c6930d77cb2436917e666cb9.exe
              C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_98600590c6930d77cb2436917e666cb9.exe
              5⤵
              • Checks computer location settings
              • System Location Discovery: System Language Discovery
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of FindShellTrayWindow
              • Suspicious use of SendNotifyMessage
              • Suspicious use of WriteProcessMemory
              PID:3264
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\R4euXCGQYXmB.bat" "
                6⤵
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:4996
                • C:\Windows\SysWOW64\chcp.com
                  chcp 65001
                  7⤵
                  • System Location Discovery: System Language Discovery
                  PID:548
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  7⤵
                  • System Location Discovery: System Language Discovery
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:1448
                • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_98600590c6930d77cb2436917e666cb9.exe
                  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_98600590c6930d77cb2436917e666cb9.exe"
                  7⤵
                  • System Location Discovery: System Language Discovery
                  PID:212

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\JaffaCakes118_98600590c6930d77cb2436917e666cb9.exe.log

      Filesize

      425B

      MD5

      4eaca4566b22b01cd3bc115b9b0b2196

      SHA1

      e743e0792c19f71740416e7b3c061d9f1336bf94

      SHA256

      34ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb

      SHA512

      bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1

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

      Filesize

      2KB

      MD5

      968cb9309758126772781b83adb8a28f

      SHA1

      8da30e71accf186b2ba11da1797cf67f8f78b47c

      SHA256

      92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

      SHA512

      4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

      Filesize

      18KB

      MD5

      3d02a4ca7b4d49b448fe59b2f0c1f963

      SHA1

      81d58ed8fceef17bf0587ae943392606b8627581

      SHA256

      1b06f45ef1237b4c4b664bcafa678a2287651ff1a0f2a7688aae7ea35060c9bf

      SHA512

      bd0c64b734ab96231dd8911e89396b9a8f526d486da8445aa8afeb419e81f772cba5d424d42b1b08fdba5d44edcdab956f132e45b4dfe20cce3ebb85a40267c6

    • C:\Users\Admin\AppData\Local\Temp\R4euXCGQYXmB.bat

      Filesize

      243B

      MD5

      ab36cdd62f4bb23161fa6c1b6882c5f5

      SHA1

      e9f8a6b8f79b5b2566a02e1a9e15712e3e32c14f

      SHA256

      a9000297f35c53799a7e4fc9efe49e8a1f647ee4cf0962a5c8bd6a70064467f3

      SHA512

      2ba0a50b301bf022c26cc4d5706a0e80265084a11dad42ee376684f24e9ee98029a3de542236fba257f556a80acefb21233f4eafa7e4ce8d0d0d74d5c943a8f8

    • C:\Users\Admin\AppData\Local\Temp\YG5hHNX9Pj4E.bat

      Filesize

      243B

      MD5

      b3f7d457fc7b55c4894eb374a44c7506

      SHA1

      621b4aff17408195ab67f45b70c235d43d817d9f

      SHA256

      cb01fba63c131e5e404d8790898d1f4ccc19e2f91801022ded683a508c73c0af

      SHA512

      1c0ba456cc8a57929ff73a62f46df52b7a76b5ecabe17387d8ff5f9b463877a4de2ed24f10f4b26d53ff1ff86e86944423913b3f897110f7fc3f56078671971b

    • C:\Users\Admin\AppData\Local\Temp\_Tahpdhij.vbs

      Filesize

      181B

      MD5

      f1502081d1172131e3d33d384d1adb56

      SHA1

      85e44eb1e8c5b2911f8d6fcd339d4b3079b61eb4

      SHA256

      e39b7fbb84070e09b663dde6fe11b1048eeeede75c5eb521af28530389cae0c4

      SHA512

      5b61adb8ba73ef00db17183c9d569f9eb20196d05946ae082bcbf21aaca483b76ca83fb108329f73150bf43108a9c970474037861bc12a09f3d998de8d4057f6

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fdvnripc.lo2.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\WinRAR\WinRAR.exe

      Filesize

      844KB

      MD5

      98600590c6930d77cb2436917e666cb9

      SHA1

      e31ab0e597082ee1e415d0523a13b5d9175963c9

      SHA256

      435385b409d5a3b1868b6d25016b9deb9ae6dd488341a0ab7af6ba345be1b376

      SHA512

      55f3d5ebb77d2448bc961406967e2642dd720bba0d8278421cba27c8e3a18578f8ba85edb3a7072ed3032edd6f411225245ab9ff42cb85afd40b697d3e6af237

    • memory/2540-25-0x00000000062F0000-0x0000000006356000-memory.dmp

      Filesize

      408KB

    • memory/2540-24-0x0000000006280000-0x00000000062E6000-memory.dmp

      Filesize

      408KB

    • memory/2540-67-0x0000000007FA0000-0x0000000007FA8000-memory.dmp

      Filesize

      32KB

    • memory/2540-66-0x0000000007FC0000-0x0000000007FDA000-memory.dmp

      Filesize

      104KB

    • memory/2540-65-0x0000000007EC0000-0x0000000007ED4000-memory.dmp

      Filesize

      80KB

    • memory/2540-64-0x0000000007EB0000-0x0000000007EBE000-memory.dmp

      Filesize

      56KB

    • memory/2540-63-0x0000000007E80000-0x0000000007E91000-memory.dmp

      Filesize

      68KB

    • memory/2540-62-0x0000000007F00000-0x0000000007F96000-memory.dmp

      Filesize

      600KB

    • memory/2540-20-0x0000000003090000-0x00000000030C6000-memory.dmp

      Filesize

      216KB

    • memory/2540-22-0x0000000005B50000-0x0000000006178000-memory.dmp

      Filesize

      6.2MB

    • memory/2540-23-0x0000000005A80000-0x0000000005AA2000-memory.dmp

      Filesize

      136KB

    • memory/2540-42-0x0000000070AB0000-0x0000000070AFC000-memory.dmp

      Filesize

      304KB

    • memory/2540-61-0x0000000007CF0000-0x0000000007CFA000-memory.dmp

      Filesize

      40KB

    • memory/2540-58-0x0000000007C80000-0x0000000007C9A000-memory.dmp

      Filesize

      104KB

    • memory/2540-35-0x0000000006360000-0x00000000066B4000-memory.dmp

      Filesize

      3.3MB

    • memory/2540-36-0x0000000006960000-0x000000000697E000-memory.dmp

      Filesize

      120KB

    • memory/2540-37-0x0000000006990000-0x00000000069DC000-memory.dmp

      Filesize

      304KB

    • memory/2540-57-0x00000000082C0000-0x000000000893A000-memory.dmp

      Filesize

      6.5MB

    • memory/2540-54-0x0000000007B50000-0x0000000007BF3000-memory.dmp

      Filesize

      652KB

    • memory/2540-52-0x0000000006F90000-0x0000000006FAE000-memory.dmp

      Filesize

      120KB

    • memory/2540-41-0x0000000006F20000-0x0000000006F52000-memory.dmp

      Filesize

      200KB

    • memory/3036-2-0x0000000074D2E000-0x0000000074D2F000-memory.dmp

      Filesize

      4KB

    • memory/3036-0-0x0000000074D2E000-0x0000000074D2F000-memory.dmp

      Filesize

      4KB

    • memory/3036-3-0x0000000004BD0000-0x0000000004C8C000-memory.dmp

      Filesize

      752KB

    • memory/3036-11-0x00000000058C0000-0x0000000005906000-memory.dmp

      Filesize

      280KB

    • memory/3036-16-0x0000000074D20000-0x00000000754D0000-memory.dmp

      Filesize

      7.7MB

    • memory/3036-4-0x0000000074D20000-0x00000000754D0000-memory.dmp

      Filesize

      7.7MB

    • memory/3036-1-0x0000000000140000-0x000000000021A000-memory.dmp

      Filesize

      872KB

    • memory/3036-5-0x0000000074D20000-0x00000000754D0000-memory.dmp

      Filesize

      7.7MB

    • memory/4392-90-0x0000000071B60000-0x0000000071BAC000-memory.dmp

      Filesize

      304KB

    • memory/4392-100-0x0000000007160000-0x0000000007203000-memory.dmp

      Filesize

      652KB

    • memory/4392-80-0x00000000057B0000-0x0000000005B04000-memory.dmp

      Filesize

      3.3MB

    • memory/4392-103-0x0000000007480000-0x0000000007491000-memory.dmp

      Filesize

      68KB

    • memory/4392-106-0x00000000074D0000-0x00000000074E4000-memory.dmp

      Filesize

      80KB

    • memory/4392-89-0x0000000006500000-0x000000000654C000-memory.dmp

      Filesize

      304KB

    • memory/4816-18-0x0000000005300000-0x0000000005392000-memory.dmp

      Filesize

      584KB

    • memory/4816-59-0x0000000074D20000-0x00000000754D0000-memory.dmp

      Filesize

      7.7MB

    • memory/4816-40-0x00000000066E0000-0x0000000006792000-memory.dmp

      Filesize

      712KB

    • memory/4816-39-0x0000000006470000-0x00000000064C0000-memory.dmp

      Filesize

      320KB

    • memory/4816-38-0x00000000069C0000-0x0000000006FD8000-memory.dmp

      Filesize

      6.1MB

    • memory/4816-21-0x00000000052A0000-0x00000000052AA000-memory.dmp

      Filesize

      40KB

    • memory/4816-19-0x0000000074D20000-0x00000000754D0000-memory.dmp

      Filesize

      7.7MB

    • memory/4816-17-0x0000000005810000-0x0000000005DB4000-memory.dmp

      Filesize

      5.6MB

    • memory/4816-15-0x0000000074D20000-0x00000000754D0000-memory.dmp

      Filesize

      7.7MB

    • memory/4816-12-0x0000000000400000-0x000000000047A000-memory.dmp

      Filesize

      488KB