Analysis

  • max time kernel
    120s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    29-08-2024 07:27

General

  • Target

    a002570b8a79e74c0cbe9532395a62e0N.exe

  • Size

    9.6MB

  • MD5

    a002570b8a79e74c0cbe9532395a62e0

  • SHA1

    ce7982587be07b05d94ebeb911fcaead387933bc

  • SHA256

    d1210147dbb868f8c36b61398d4acd11a68de2e44ba5a43bcb771db2ace18e3c

  • SHA512

    a34b3c1dbcd8f681e1d505302cb744a0fd03fd46cb5ac6f3f8cfb6bea1296d6ec72dcabbfb832ad08ad4475616f38a162240f14ab81016226d8addb8c18411ef

  • SSDEEP

    196608:45qnhgJuP3LAhCiVXOWvs6A1oMuWr45hrr2l:1S+LJBeJWGhrr2l

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 14 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\a002570b8a79e74c0cbe9532395a62e0N.exe
    "C:\Users\Admin\AppData\Local\Temp\a002570b8a79e74c0cbe9532395a62e0N.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:1700
    • \??\c:\program files (x86)\common files\microsoft shared\vsto\10.0\visualvstoloader.exe
      "c:\program files (x86)\common files\microsoft shared\vsto\10.0\visualvstoloader.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:2276
    • \??\c:\program files (x86)\common files\system\es-es\operativooperativo.exe
      "c:\program files (x86)\common files\system\es-es\operativooperativo.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:2040
    • \??\c:\program files (x86)\common files\microsoft shared\euro\msoeurooffice.exe
      "c:\program files (x86)\common files\microsoft shared\euro\msoeurooffice.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:444
    • \??\c:\program files (x86)\common files\microsoft shared\help\1049\microsofthelp.exe
      "c:\program files (x86)\common files\microsoft shared\help\1049\microsofthelp.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:1560

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\Common Files\System\es-ES\RCXAE8A.tmp

    Filesize

    9.6MB

    MD5

    f046037cdce96532f7091b608f619906

    SHA1

    36deb5f00a2ce37406ed405068bf8647c60c7f4a

    SHA256

    ba332b69c983e7a5d767d16620b8cb34bdd011296e22d55160f80b855ba934ad

    SHA512

    468b8afc175e07aec4d7e1ce6c959977c073f49e6f72e323e46891e0f4d9202df0e54f60316383071e690df79a285ac8eb1eac274a5ea03ee7e5f220e829a757

  • C:\Program Files (x86)\Common Files\microsoft shared\VSTO\10.0\VisualVSTOLoader.exe

    Filesize

    9.6MB

    MD5

    a002570b8a79e74c0cbe9532395a62e0

    SHA1

    ce7982587be07b05d94ebeb911fcaead387933bc

    SHA256

    d1210147dbb868f8c36b61398d4acd11a68de2e44ba5a43bcb771db2ace18e3c

    SHA512

    a34b3c1dbcd8f681e1d505302cb744a0fd03fd46cb5ac6f3f8cfb6bea1296d6ec72dcabbfb832ad08ad4475616f38a162240f14ab81016226d8addb8c18411ef