Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/11/2024, 12:45

General

  • Target
    2345pic_x64.msi
  • Size 79.4MB
  • Sample241111-py3n3aylfx
  • SHA256 092ff5eeddfd265d8f37c5a9afbf7c3018ba65fcd0dd59c0237f7e04d1915060
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detect PurpleFox Rootkit 4 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 4 IoCs
  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

  • Gh0strat family
  • PurpleFox

    PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.

  • Purplefox family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Enumerates connected drives 3 TTPs 64 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 17 IoCs
  • Drops file in Windows directory 8 IoCs
  • Executes dropped EXE 8 IoCs
  • Loads dropped DLL 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 56 IoCs
  • Modifies registry class 22 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\2345pic_x64.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2040
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2044
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:4328
      • C:\Windows\System32\MsiExec.exe
        C:\Windows\System32\MsiExec.exe -Embedding E81C7C33664124994C6310CA5C81DA5C E Global\MSI0000
        2⤵
        • Modifies data under HKEY_USERS
        • Suspicious use of WriteProcessMemory
        PID:3676
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command Add-MpPreference -ExclusionPath 'C:\Program Files\EnableMagneticOverseer'
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1056
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe" /c start "" "C:\Program Files\EnableMagneticOverseer\wBtkOfXYmrXB.exe" x "C:\Program Files\EnableMagneticOverseer\oFRhddqMXWXkbbeDGqHg" -o"C:\Program Files\EnableMagneticOverseer\" -phZJcWScQuNgsiGBeBDtN -y
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1536
          • C:\Program Files\EnableMagneticOverseer\wBtkOfXYmrXB.exe
            "C:\Program Files\EnableMagneticOverseer\wBtkOfXYmrXB.exe" x "C:\Program Files\EnableMagneticOverseer\oFRhddqMXWXkbbeDGqHg" -o"C:\Program Files\EnableMagneticOverseer\" -phZJcWScQuNgsiGBeBDtN -y
            4⤵
            • Drops file in Program Files directory
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            PID:2776
        • C:\Program Files\EnableMagneticOverseer\aAvapbvtIRjv.exe
          "C:\Program Files\EnableMagneticOverseer\aAvapbvtIRjv.exe" -number 182 -file file3 -mode mode3 -flag flag3
          3⤵
          • Drops file in Program Files directory
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          PID:4776
        • C:\Program Files\EnableMagneticOverseer\2345pic_x64.exe
          "C:\Program Files\EnableMagneticOverseer\2345pic_x64.exe"
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          PID:3948
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious use of AdjustPrivilegeToken
      PID:2560
    • C:\Windows\System32\WScript.exe
      C:\Windows\System32\WScript.exe "C:\Program Files\EnableMagneticOverseer\aAvapbvtIRjv.vbs"
      1⤵
      • Modifies data under HKEY_USERS
      PID:4824
    • C:\Program Files\EnableMagneticOverseer\jnSNQNClfnFm.exe
      "C:\Program Files\EnableMagneticOverseer\jnSNQNClfnFm.exe" install
      1⤵
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Executes dropped EXE
      PID:2292
    • C:\Program Files\EnableMagneticOverseer\jnSNQNClfnFm.exe
      "C:\Program Files\EnableMagneticOverseer\jnSNQNClfnFm.exe" start
      1⤵
      • Drops file in Program Files directory
      • Executes dropped EXE
      PID:4240
    • C:\Program Files\EnableMagneticOverseer\jnSNQNClfnFm.exe
      "C:\Program Files\EnableMagneticOverseer\jnSNQNClfnFm.exe"
      1⤵
      • Drops file in Program Files directory
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:3908
      • C:\Program Files\EnableMagneticOverseer\aAvapbvtIRjv.exe
        "C:\Program Files\EnableMagneticOverseer\aAvapbvtIRjv.exe" -number 250 -file file3 -mode mode3 -flag flag3
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3500
        • C:\Program Files\EnableMagneticOverseer\aAvapbvtIRjv.exe
          "C:\Program Files\EnableMagneticOverseer\aAvapbvtIRjv.exe" -number 132 -file file3 -mode mode3 -flag flag3
          3⤵
          • Enumerates connected drives
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          PID:1796

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          e5816ff.rbs

          • Path C:\Config.Msi\e5816ff.rbs
          • Size 7KB
          • SHA256 a090c2a77419a9b2b2a07d10d663439912bdf7f6908af69ea3636497045f8064
          • MD5 SHA1 SHA512 SSDEEP

          aAvapbvtIRjv.exe

          • Path C:\Program Files\EnableMagneticOverseer\aAvapbvtIRjv.exe
          • Size 3.2MB
          • SHA256 7dd65fb863051edda07d0f84c65c36cd7388aa28464eb3f6c541f73c9f195f41
          • MD5 SHA1 SHA512 SSDEEP

          aAvapbvtIRjv.vbs

          • Path C:\Program Files\EnableMagneticOverseer\aAvapbvtIRjv.vbs
          • Size 2KB
          • SHA256 0a3a48ab6d2e8cb621cef3949557ee289d566f788e99d1091fb1a4fa838273b7
          • MD5 SHA1 SHA512

          jnSNQNClfnFm.exe

          • Path C:\Program Files\EnableMagneticOverseer\jnSNQNClfnFm.exe
          • Size 832KB
          • SHA256 923111c7142b3dc783a3c722b19b8a21bcb78222d7a136ac33f0ca8a29f4cb66
          • MD5 SHA1 SHA512 SSDEEP

          jnSNQNClfnFm.wrapper.log

          • Path C:\Program Files\EnableMagneticOverseer\jnSNQNClfnFm.wrapper.log
          • Size 735B
          • SHA256 9771c0333ed08be0b39aa67be85cbb7c1ca411f67477488fceec98a2cee68187
          • MD5 SHA1 SHA512

          jnSNQNClfnFm.wrapper.log

          • Path C:\Program Files\EnableMagneticOverseer\jnSNQNClfnFm.wrapper.log
          • Size 266B
          • SHA256 3d6f347551284f02aab80c54465c89201d4d191834c5e7fa77fe265da31ad8a7
          • MD5 SHA1 SHA512

          jnSNQNClfnFm.wrapper.log

          • Path C:\Program Files\EnableMagneticOverseer\jnSNQNClfnFm.wrapper.log
          • Size 422B
          • SHA256 bf0c04df710fe7e299647087e72368f35353ebc32bb0b7f91a90b7a15668a1ab
          • MD5 SHA1 SHA512

          jnSNQNClfnFm.wrapper.log

          • Path C:\Program Files\EnableMagneticOverseer\jnSNQNClfnFm.wrapper.log
          • Size 588B
          • SHA256 b6af5414031523a92854f3347021ff349c6b5c5728be38ddadbb987cc119ce9a
          • MD5 SHA1 SHA512

          jnSNQNClfnFm.xml

          • Path C:\Program Files\EnableMagneticOverseer\jnSNQNClfnFm.xml
          • Size 437B
          • SHA256 82c7224a57ffe8384766daf2c00acb148d9ca79db5cb2bc222ec9f385bcd966c
          • MD5 SHA1 SHA512

          oFRhddqMXWXkbbeDGqHg

          • Path C:\Program Files\EnableMagneticOverseer\oFRhddqMXWXkbbeDGqHg
          • Size 2.4MB
          • SHA256 ffc5b747ee4183aa7b298e7e296981d19321c208ae40b0052f1965033da5ebb4
          • MD5 SHA1 SHA512 SSDEEP

          wBtkOfXYmrXB.exe

          • Path C:\Program Files\EnableMagneticOverseer\wBtkOfXYmrXB.exe
          • Size 577KB
          • SHA256 9d182f421381429fd77598feb609fefb54dcaef722ddbf5aa611b68a706c10d3
          • MD5 SHA1 SHA512 SSDEEP

          __PSScriptPolicyTest_5jfdqinn.zuy.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5jfdqinn.zuy.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512

          FileInfo.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nsf4553.tmp\FileInfo.dll
          • Size 624KB
          • SHA256 a1c9c3b3bc8e75aa91f639da10835210e81aeb7fb5db79ac0703e1594e516b5b
          • MD5 SHA1 SHA512 SSDEEP

          RCWidgetPlugin.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nsf4553.tmp\RCWidgetPlugin.dll
          • Size 2.4MB
          • SHA256 9117cafe403e445a291141ee898845799a165c383d3dfcf76c1870f66782e6b1
          • MD5 SHA1 SHA512 SSDEEP

          System.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nsf4553.tmp\System.dll
          • Size 27KB
          • SHA256 57947a15ad3215185c7e15a5f0da393570845a13ab7b184a07fcefbf97537e48
          • MD5 SHA1 SHA512 SSDEEP

          libcurl_x86.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nsf4553.tmp\libcurl_x86.dll
          • Size 2.1MB
          • SHA256 635f988beb849c6510f54f681387bf810c2266bd27834c5a9c160cbfe6df44d4
          • MD5 SHA1 SHA512 SSDEEP

          jnSNQNClfnFm.exe.log

          • Path C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\jnSNQNClfnFm.exe.log
          • Size 1KB
          • SHA256 42f5774d1ee4cae5d7a4e83970da42bb17e61ae93c312247211b5ee3535662e0
          • MD5 SHA1 SHA512

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 24.1MB
          • SHA256 27dc776bf5f56ff2ecd0d0bcd2f9835ed31a1903138140591d0f150c7c4cf6f3
          • MD5 SHA1 SHA512 SSDEEP

          {611fdbc0-b75a-4562-978e-50efe7acd374}_OnDiskSnapshotProp

          • Path \??\Volume{0576a638-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{611fdbc0-b75a-4562-978e-50efe7acd374}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 db56b7a9be342066be0f7ff44a02a0aeadec68c13587733d42b79cf8b20d28b4
          • MD5 SHA1 SHA512 SSDEEP

          memory/1056-22-0x000001A9FF7B0000-0x000001A9FF7D2000-memory.dmp

          memory/1796-109-0x000000002A300000-0x000000002A34D000-memory.dmp

          memory/1796-110-0x000000002BF30000-0x000000002C0ED000-memory.dmp

          memory/1796-112-0x000000002BF30000-0x000000002C0ED000-memory.dmp

          memory/1796-113-0x000000002BF30000-0x000000002C0ED000-memory.dmp

          memory/1796-114-0x000000002BF30000-0x000000002C0ED000-memory.dmp

          memory/2292-60-0x00000000005E0000-0x00000000006B6000-memory.dmp

          memory/4776-39-0x0000000029B80000-0x0000000029BAF000-memory.dmp