Analysis

  • max time kernel
    66s
  • max time network
    68s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-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

  • 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 46 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 13 IoCs
  • Drops file in Windows directory 10 IoCs
  • Executes dropped EXE 3 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 3 IoCs

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

  • Modifies data under HKEY_USERS 50 IoCs
  • Modifies registry class 22 IoCs
  • Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 54 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:2044
  • 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:3000
    • C:\Windows\system32\MsiExec.exe
      C:\Windows\system32\MsiExec.exe -Embedding B69681387627056E18242157F39FE9F1 M Global\MSI0000
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1436
      • 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
        • Drops file in System32 directory
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1324
      • 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:564
        • 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 behavior: CmdExeWriteProcessMemorySpam
          • Suspicious use of AdjustPrivilegeToken
          PID:1760
      • 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:2428
      • 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
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        PID:2284
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2936
  • C:\Windows\system32\DrvInst.exe
    DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "00000000000005E0" "0000000000000300"
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    PID:2564

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        f782e34.rbs

        • Path C:\Config.Msi\f782e34.rbs
        • Size 7KB
        • SHA256 60e3206216aa8d0029cf75c84a245b84bedce36352e44be89d518e4a982f66e5
        • MD5 SHA1 SHA512 SSDEEP

        aAvapbvtIRjv.exe

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

        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

        FileInfo.dll

        • Path \Users\Admin\AppData\Local\Temp\nsz626D.tmp\FileInfo.dll
        • Size 624KB
        • SHA256 a1c9c3b3bc8e75aa91f639da10835210e81aeb7fb5db79ac0703e1594e516b5b
        • MD5 SHA1 SHA512 SSDEEP

        RCWidgetPlugin.dll

        • Path \Users\Admin\AppData\Local\Temp\nsz626D.tmp\RCWidgetPlugin.dll
        • Size 2.4MB
        • SHA256 9117cafe403e445a291141ee898845799a165c383d3dfcf76c1870f66782e6b1
        • MD5 SHA1 SHA512 SSDEEP

        System.dll

        • Path \Users\Admin\AppData\Local\Temp\nsz626D.tmp\System.dll
        • Size 27KB
        • SHA256 57947a15ad3215185c7e15a5f0da393570845a13ab7b184a07fcefbf97537e48
        • MD5 SHA1 SHA512 SSDEEP

        libcurl_x86.dll

        • Path \Users\Admin\AppData\Local\Temp\nsz626D.tmp\libcurl_x86.dll
        • Size 2.1MB
        • SHA256 635f988beb849c6510f54f681387bf810c2266bd27834c5a9c160cbfe6df44d4
        • MD5 SHA1 SHA512 SSDEEP

        memory/1324-18-0x000000001B240000-0x000000001B522000-memory.dmp

        memory/1324-19-0x0000000002270000-0x0000000002278000-memory.dmp

        memory/1436-13-0x0000000000160000-0x0000000000170000-memory.dmp

        memory/2428-58-0x0000000000350000-0x000000000037F000-memory.dmp