Analysis

  • max time kernel
    120s
  • max time network
    116s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    09-09-2024 21:24

General

  • Target

    3b1cd5d4161fb80b4d89cc267a65c6d0N.exe

  • Size

    9.7MB

  • MD5

    3b1cd5d4161fb80b4d89cc267a65c6d0

  • SHA1

    07d3a65e89cc922ae3b2fa7e74c27c80677f7296

  • SHA256

    49066be6efe8eb7be603f476422e41d4ee041791b81b49aa7d836c5a4df20e88

  • SHA512

    f93108a654b3f1baead06be043f685866d234fafa5f2ab3b9460f309a4afbfabcba1339b8f3ffa4095004a16412c3214ff7b6219315cf422b01f0af2a21e2743

  • SSDEEP

    196608:rNqnhgJuP3LAhCiVXOWvd6A1oMuWr45hrr2u:KS+LJYeJWGhrr2u

Malware Config

Signatures

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 16 IoCs
  • Adds Run key to start application 2 TTPs 9 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in System32 directory 5 IoCs
  • Drops file in Program Files directory 17 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 processor information in registry 2 TTPs 15 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3b1cd5d4161fb80b4d89cc267a65c6d0N.exe
    "C:\Users\Admin\AppData\Local\Temp\3b1cd5d4161fb80b4d89cc267a65c6d0N.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2096
    • \??\c:\program files (x86)\common files\microsoft shared\translat\fren\microsofttranslation.exe
      "c:\program files (x86)\common files\microsoft shared\translat\fren\microsofttranslation.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2200
    • \??\c:\program files (x86)\common files\microsoft shared\vsta\appinfodocument\microsoft.visualstudio.tools.office.appinfodocument\toolstools.exe
      "c:\program files (x86)\common files\microsoft shared\vsta\appinfodocument\microsoft.visualstudio.tools.office.appinfodocument\toolstools.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:316
    • \??\c:\program files (x86)\common files\system\wab32ressystem.exe
      "c:\program files (x86)\common files\system\wab32ressystem.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:448
    • \??\c:\program files (x86)\adobe\reader 9.0\reader\plug_ins\updaterspelling.exe
      "c:\program files (x86)\adobe\reader 9.0\reader\plug_ins\updaterspelling.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2988

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\Adobe\Reader 9.0\Reader\plug_ins\RCXB8C8.tmp

    Filesize

    9.7MB

    MD5

    8758fd0c45017250339463c21d483db2

    SHA1

    a6b1a81a38f669323904efcbe11dc4be8f6aa1df

    SHA256

    d3914d984e35e1b8bfed757f12e65759a8df5f95792dce32a809b116b2e114ec

    SHA512

    76bfad4f275f2f4727500dc576c411eb84fdd712536a8efcdbaf2306317e2afd9696351eebd4364e36f2a96a0570002c74cf72d8ee80b5f3b7d057ce92e61477

  • C:\Program Files (x86)\Common Files\microsoft shared\TRANSLAT\FREN\MicrosoftTranslation.exe

    Filesize

    9.7MB

    MD5

    3b1cd5d4161fb80b4d89cc267a65c6d0

    SHA1

    07d3a65e89cc922ae3b2fa7e74c27c80677f7296

    SHA256

    49066be6efe8eb7be603f476422e41d4ee041791b81b49aa7d836c5a4df20e88

    SHA512

    f93108a654b3f1baead06be043f685866d234fafa5f2ab3b9460f309a4afbfabcba1339b8f3ffa4095004a16412c3214ff7b6219315cf422b01f0af2a21e2743