Analysis

  • max time kernel
    181s
  • max time network
    185s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/11/2022, 09:46

General

  • Target

    ecbe20d3bc33aaf52e272d68709407e33d1f9e59ecde85aac6034a3c2762bb86.exe

  • Size

    614KB

  • MD5

    9db3020faabfbeaf15d82c2217f2a44b

  • SHA1

    0b81ee57f58179e724c0eff039ae296de54c52f6

  • SHA256

    ecbe20d3bc33aaf52e272d68709407e33d1f9e59ecde85aac6034a3c2762bb86

  • SHA512

    061f8dd5c4b44d3548f41b5cc8e1433a23464c232a4589d6bed0646dcce9ffa28f82aff90fbfca535d44acaa8440da0f98a4278050204088a62b67f456937393

  • SSDEEP

    12288:WRT0gZpHvuDZKHHw2WNWI0tTYbuMKu5R7Uw5JEAY+3n:+ZpHSKHHw08b20UVAY+X

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ecbe20d3bc33aaf52e272d68709407e33d1f9e59ecde85aac6034a3c2762bb86.exe
    "C:\Users\Admin\AppData\Local\Temp\ecbe20d3bc33aaf52e272d68709407e33d1f9e59ecde85aac6034a3c2762bb86.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks computer location settings
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4752
    • C:\Users\Admin\AppData\Local\Temp\n207\s207.exe
      "C:\Users\Admin\AppData\Local\Temp\n207\s207.exe" 73a805f722ba1703d53de2efwnL/ylh2z3MjyudnLEbXh2wp+PsSlD615U3uYiCoA0MF4+oBXmrZ+kObx+V5D7nD0ieU+s98OaeVmGmwD/bgKkKCYS/XwEK3gqiBtqVFv9+Nh4Qwzu2hM6cX97cZ4R4XOzrdUHfwLbMhzi78vsXX+MddkUtPj8MQj/h3Kzg= /v "C:\Users\Admin\AppData\Local\Temp\ecbe20d3bc33aaf52e272d68709407e33d1f9e59ecde85aac6034a3c2762bb86.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4776

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n207\s207.exe

    Filesize

    350KB

    MD5

    54394ba7de5b2c5e3df92557ea95f014

    SHA1

    47a99735e089139495643c9027effcb6b1fc5504

    SHA256

    339f7dd54a1e07bfcabb5749047ef4ab615462213f5baaa62fb690c894bef1eb

    SHA512

    45928ffec4f1bf9a86469bb54f83ba6fdcd275ef9826bd923e890fce83d7a8f975c309bda4849d3f2d066ea458f23fa8e6aefe26be5e874249712462ecd69660

  • C:\Users\Admin\AppData\Local\Temp\n207\s207.exe

    Filesize

    350KB

    MD5

    54394ba7de5b2c5e3df92557ea95f014

    SHA1

    47a99735e089139495643c9027effcb6b1fc5504

    SHA256

    339f7dd54a1e07bfcabb5749047ef4ab615462213f5baaa62fb690c894bef1eb

    SHA512

    45928ffec4f1bf9a86469bb54f83ba6fdcd275ef9826bd923e890fce83d7a8f975c309bda4849d3f2d066ea458f23fa8e6aefe26be5e874249712462ecd69660

  • memory/4776-135-0x00007FF86E060000-0x00007FF86EA96000-memory.dmp

    Filesize

    10.2MB

  • memory/4776-136-0x00000000010CA000-0x00000000010CF000-memory.dmp

    Filesize

    20KB

  • memory/4776-137-0x00000000010CA000-0x00000000010CF000-memory.dmp

    Filesize

    20KB