Analysis

  • max time kernel
    152s
  • max time network
    137s
  • 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 05:53

General

  • Target

    26e7dee34bccbaac3f197e43be25d8b37f01b6c093417df21f2c18bf6347ac81.exe

  • Size

    624KB

  • MD5

    4c6fbcc45b3363bf12e09a91ea59a0bd

  • SHA1

    ba860987fd1a2a0dc009bcecc25157bf08f70702

  • SHA256

    26e7dee34bccbaac3f197e43be25d8b37f01b6c093417df21f2c18bf6347ac81

  • SHA512

    dfe2bf4dbe864d704f6d60d03cdec1912bb36e0afb48aa0804bfa7a7aad1da748e034025f66d830a78916c96c2cd46d2b1a62154e7339f083f4c882184ee31ff

  • SSDEEP

    12288:p93rW92itxpUGx1I/mCEUaQ9b0WF+cf6vDbRI4LBvhRybnlf61Y+Z:3W92kUGx/s9bSvDbRlJ0bn81Y+Z

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\26e7dee34bccbaac3f197e43be25d8b37f01b6c093417df21f2c18bf6347ac81.exe
    "C:\Users\Admin\AppData\Local\Temp\26e7dee34bccbaac3f197e43be25d8b37f01b6c093417df21f2c18bf6347ac81.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:1988
    • C:\Users\Admin\AppData\Local\Temp\n5304\s5304.exe
      "C:\Users\Admin\AppData\Local\Temp\n5304\s5304.exe" edcfebebda7041120625dc56Zbe7nL8KLcnXMStGvmLshS4spYLcTANwD4eQpc0py9LTrYZBuun9HuibuJr6YHIh6Eemf6SZvMM3xxT37wMQ1SpLKgru3f4JwcYPczZT4sXhum4W/+BZW3/vANmhM/yX8tJ3T4DICwOt2bt8n47RudUrAFd/dl7ulHmAgz8= /v "C:\Users\Admin\AppData\Local\Temp\26e7dee34bccbaac3f197e43be25d8b37f01b6c093417df21f2c18bf6347ac81.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:3484

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n5304\s5304.exe

    Filesize

    350KB

    MD5

    54394ba7de5b2c5e3df92557ea95f014

    SHA1

    47a99735e089139495643c9027effcb6b1fc5504

    SHA256

    339f7dd54a1e07bfcabb5749047ef4ab615462213f5baaa62fb690c894bef1eb

    SHA512

    45928ffec4f1bf9a86469bb54f83ba6fdcd275ef9826bd923e890fce83d7a8f975c309bda4849d3f2d066ea458f23fa8e6aefe26be5e874249712462ecd69660

  • C:\Users\Admin\AppData\Local\Temp\n5304\s5304.exe

    Filesize

    350KB

    MD5

    54394ba7de5b2c5e3df92557ea95f014

    SHA1

    47a99735e089139495643c9027effcb6b1fc5504

    SHA256

    339f7dd54a1e07bfcabb5749047ef4ab615462213f5baaa62fb690c894bef1eb

    SHA512

    45928ffec4f1bf9a86469bb54f83ba6fdcd275ef9826bd923e890fce83d7a8f975c309bda4849d3f2d066ea458f23fa8e6aefe26be5e874249712462ecd69660

  • memory/3484-132-0x0000000000000000-mapping.dmp

  • memory/3484-135-0x00007FFD34D80000-0x00007FFD357B6000-memory.dmp

    Filesize

    10.2MB

  • memory/3484-136-0x000000000133A000-0x000000000133F000-memory.dmp

    Filesize

    20KB

  • memory/3484-137-0x000000000133A000-0x000000000133F000-memory.dmp

    Filesize

    20KB

  • memory/3484-138-0x000000000133A000-0x000000000133F000-memory.dmp

    Filesize

    20KB