Analysis

  • max time kernel
    122s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    17/07/2023, 14:08

General

  • Target

    8b8ae96768a9d0_JC.exe

  • Size

    9.5MB

  • MD5

    8b8ae96768a9d0924af7689d1abf8aa5

  • SHA1

    60433df88110ea9b939b7c1b98158944695970f7

  • SHA256

    1dcc3bcb19c277e8d9a53000e20885abd7b2e0100052330bf1b5b21de9546425

  • SHA512

    521ce790519f6cadf2844183b3a243f8ecfcfeeb0abeb3365b5a12572eca76237e0e267c58b1e21063602b5181c2c41e840fd3f1c32ee499e7aef7dab6ec84f6

  • SSDEEP

    196608:qURLFnqqkhSTR71pbVTIOazcrqN0CI63e4cBoMIB+VHJfpQalY:qURAqkkN7jVicrqNl3vcBoMIB+JJfpB+

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 6 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8b8ae96768a9d0_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\8b8ae96768a9d0_JC.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2124
    • C:\ProgramData\PDF Suite 2017\Installation\PDF_Suite_2017_Installer.exe
      "C:\ProgramData\PDF Suite 2017\Installation\PDF_Suite_2017_Installer.exe" /RegServer
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      PID:2104
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32.exe /s "C:\ProgramData\PDF Suite 2017\Installation\Statistics.dll"
      2⤵
      • Loads dropped DLL
      • Modifies registry class
      PID:992
  • C:\Windows\SysWOW64\DllHost.exe
    C:\Windows\SysWOW64\DllHost.exe /Processid:{53A998CB-A5C7-467E-BC47-30BCABB50766}
    1⤵
    • Loads dropped DLL
    PID:2860
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2424

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\ProgramData\PDF Suite 2017\Installation\PDF_Suite_2017_Installer.exe

    Filesize

    9.5MB

    MD5

    8b8ae96768a9d0924af7689d1abf8aa5

    SHA1

    60433df88110ea9b939b7c1b98158944695970f7

    SHA256

    1dcc3bcb19c277e8d9a53000e20885abd7b2e0100052330bf1b5b21de9546425

    SHA512

    521ce790519f6cadf2844183b3a243f8ecfcfeeb0abeb3365b5a12572eca76237e0e267c58b1e21063602b5181c2c41e840fd3f1c32ee499e7aef7dab6ec84f6

  • C:\ProgramData\PDF Suite 2017\Installation\PDF_Suite_2017_Installer.exe

    Filesize

    9.5MB

    MD5

    8b8ae96768a9d0924af7689d1abf8aa5

    SHA1

    60433df88110ea9b939b7c1b98158944695970f7

    SHA256

    1dcc3bcb19c277e8d9a53000e20885abd7b2e0100052330bf1b5b21de9546425

    SHA512

    521ce790519f6cadf2844183b3a243f8ecfcfeeb0abeb3365b5a12572eca76237e0e267c58b1e21063602b5181c2c41e840fd3f1c32ee499e7aef7dab6ec84f6

  • C:\ProgramData\PDF Suite 2017\Installation\Statistics.dll

    Filesize

    1.3MB

    MD5

    4dd1308ba2ecde273637d6a67128cdfd

    SHA1

    4562c30c3867c3c496a6c9f814d8a9a3374ec176

    SHA256

    cb6374ff127cd3fd3bd376b29771972fa08c8c82b51cccb323a1e0c20bc3e3b5

    SHA512

    2bed26923cd10c9ef73f0dd7f9230ecadc93485bf73d88452539b69884e6a9e699bcf68679d77a6ac4b92d8cb4b43709fa7733b377ee39c85e3d473444206c61

  • \ProgramData\PDF Suite 2017\Installation\PDF_Suite_2017_Installer.exe

    Filesize

    9.5MB

    MD5

    8b8ae96768a9d0924af7689d1abf8aa5

    SHA1

    60433df88110ea9b939b7c1b98158944695970f7

    SHA256

    1dcc3bcb19c277e8d9a53000e20885abd7b2e0100052330bf1b5b21de9546425

    SHA512

    521ce790519f6cadf2844183b3a243f8ecfcfeeb0abeb3365b5a12572eca76237e0e267c58b1e21063602b5181c2c41e840fd3f1c32ee499e7aef7dab6ec84f6

  • \ProgramData\PDF Suite 2017\Installation\Statistics.dll

    Filesize

    1.3MB

    MD5

    4dd1308ba2ecde273637d6a67128cdfd

    SHA1

    4562c30c3867c3c496a6c9f814d8a9a3374ec176

    SHA256

    cb6374ff127cd3fd3bd376b29771972fa08c8c82b51cccb323a1e0c20bc3e3b5

    SHA512

    2bed26923cd10c9ef73f0dd7f9230ecadc93485bf73d88452539b69884e6a9e699bcf68679d77a6ac4b92d8cb4b43709fa7733b377ee39c85e3d473444206c61

  • \ProgramData\PDF Suite 2017\Installation\Statistics.dll

    Filesize

    1.3MB

    MD5

    4dd1308ba2ecde273637d6a67128cdfd

    SHA1

    4562c30c3867c3c496a6c9f814d8a9a3374ec176

    SHA256

    cb6374ff127cd3fd3bd376b29771972fa08c8c82b51cccb323a1e0c20bc3e3b5

    SHA512

    2bed26923cd10c9ef73f0dd7f9230ecadc93485bf73d88452539b69884e6a9e699bcf68679d77a6ac4b92d8cb4b43709fa7733b377ee39c85e3d473444206c61

  • \ProgramData\PDF Suite 2017\Installation\Statistics.dll

    Filesize

    1.3MB

    MD5

    4dd1308ba2ecde273637d6a67128cdfd

    SHA1

    4562c30c3867c3c496a6c9f814d8a9a3374ec176

    SHA256

    cb6374ff127cd3fd3bd376b29771972fa08c8c82b51cccb323a1e0c20bc3e3b5

    SHA512

    2bed26923cd10c9ef73f0dd7f9230ecadc93485bf73d88452539b69884e6a9e699bcf68679d77a6ac4b92d8cb4b43709fa7733b377ee39c85e3d473444206c61

  • \ProgramData\PDF Suite 2017\Installation\Statistics.dll

    Filesize

    1.3MB

    MD5

    4dd1308ba2ecde273637d6a67128cdfd

    SHA1

    4562c30c3867c3c496a6c9f814d8a9a3374ec176

    SHA256

    cb6374ff127cd3fd3bd376b29771972fa08c8c82b51cccb323a1e0c20bc3e3b5

    SHA512

    2bed26923cd10c9ef73f0dd7f9230ecadc93485bf73d88452539b69884e6a9e699bcf68679d77a6ac4b92d8cb4b43709fa7733b377ee39c85e3d473444206c61

  • \ProgramData\PDF Suite 2017\Installation\Statistics.dll

    Filesize

    1.3MB

    MD5

    4dd1308ba2ecde273637d6a67128cdfd

    SHA1

    4562c30c3867c3c496a6c9f814d8a9a3374ec176

    SHA256

    cb6374ff127cd3fd3bd376b29771972fa08c8c82b51cccb323a1e0c20bc3e3b5

    SHA512

    2bed26923cd10c9ef73f0dd7f9230ecadc93485bf73d88452539b69884e6a9e699bcf68679d77a6ac4b92d8cb4b43709fa7733b377ee39c85e3d473444206c61