Analysis

  • max time kernel
    85s
  • max time network
    165s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 12:25

General

  • Target

    880497db72cdfbb2f4c1c1a01cbb9de271cc85b3ac7342965e37399f07030214.exe

  • Size

    624KB

  • MD5

    ebf6abd1d0362fe6692b2b77b769b0f5

  • SHA1

    37af0602ebd2d8d4eae162a50105bca7c8038ca8

  • SHA256

    880497db72cdfbb2f4c1c1a01cbb9de271cc85b3ac7342965e37399f07030214

  • SHA512

    e21ed47be0ec6d4397ce205f5eb7dca973acd1de1f8d5fc9f0c2928205fd6205f5827f3688dcbd0d7878934b18493677dc4ec47c84f6c98bb911dc6b582b2c5f

  • SSDEEP

    12288:p93rW92itxpUGx1I/mCEUaQ9b0WF+cf6vDbRI4LBvhRybnlf61Y+L4:3W92kUGx/s9bSvDbRlJ0bn81Y+U

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 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 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\880497db72cdfbb2f4c1c1a01cbb9de271cc85b3ac7342965e37399f07030214.exe
    "C:\Users\Admin\AppData\Local\Temp\880497db72cdfbb2f4c1c1a01cbb9de271cc85b3ac7342965e37399f07030214.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Loads dropped DLL
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1308
    • C:\Users\Admin\AppData\Local\Temp\n8126\s8126.exe
      "C:\Users\Admin\AppData\Local\Temp\n8126\s8126.exe" d37771fef2ead221eb78cf2cnwGyW+snFzDO/fiCDclQnSiNNQh6Z+4FEFqKRlBU+4zcOu7tIJzj+4RA127Z2I+h3+ZDjFMBZPLaDsZUhNFObyCBgHHdrpH774g+jLuHRybUnb+dh6O62mlWAGTWggE+Smgv6AJrGGh7CIcWAmuTIQdiyW9TEWd+VizBqTE= /v "C:\Users\Admin\AppData\Local\Temp\880497db72cdfbb2f4c1c1a01cbb9de271cc85b3ac7342965e37399f07030214.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1004

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n8126\s8126.exe

    Filesize

    350KB

    MD5

    54394ba7de5b2c5e3df92557ea95f014

    SHA1

    47a99735e089139495643c9027effcb6b1fc5504

    SHA256

    339f7dd54a1e07bfcabb5749047ef4ab615462213f5baaa62fb690c894bef1eb

    SHA512

    45928ffec4f1bf9a86469bb54f83ba6fdcd275ef9826bd923e890fce83d7a8f975c309bda4849d3f2d066ea458f23fa8e6aefe26be5e874249712462ecd69660

  • C:\Users\Admin\AppData\Local\Temp\n8126\s8126.exe

    Filesize

    350KB

    MD5

    54394ba7de5b2c5e3df92557ea95f014

    SHA1

    47a99735e089139495643c9027effcb6b1fc5504

    SHA256

    339f7dd54a1e07bfcabb5749047ef4ab615462213f5baaa62fb690c894bef1eb

    SHA512

    45928ffec4f1bf9a86469bb54f83ba6fdcd275ef9826bd923e890fce83d7a8f975c309bda4849d3f2d066ea458f23fa8e6aefe26be5e874249712462ecd69660

  • \Users\Admin\AppData\Local\Temp\n8126\s8126.exe

    Filesize

    350KB

    MD5

    54394ba7de5b2c5e3df92557ea95f014

    SHA1

    47a99735e089139495643c9027effcb6b1fc5504

    SHA256

    339f7dd54a1e07bfcabb5749047ef4ab615462213f5baaa62fb690c894bef1eb

    SHA512

    45928ffec4f1bf9a86469bb54f83ba6fdcd275ef9826bd923e890fce83d7a8f975c309bda4849d3f2d066ea458f23fa8e6aefe26be5e874249712462ecd69660

  • \Users\Admin\AppData\Local\Temp\n8126\s8126.exe

    Filesize

    350KB

    MD5

    54394ba7de5b2c5e3df92557ea95f014

    SHA1

    47a99735e089139495643c9027effcb6b1fc5504

    SHA256

    339f7dd54a1e07bfcabb5749047ef4ab615462213f5baaa62fb690c894bef1eb

    SHA512

    45928ffec4f1bf9a86469bb54f83ba6fdcd275ef9826bd923e890fce83d7a8f975c309bda4849d3f2d066ea458f23fa8e6aefe26be5e874249712462ecd69660

  • \Users\Admin\AppData\Local\Temp\n8126\s8126.exe

    Filesize

    350KB

    MD5

    54394ba7de5b2c5e3df92557ea95f014

    SHA1

    47a99735e089139495643c9027effcb6b1fc5504

    SHA256

    339f7dd54a1e07bfcabb5749047ef4ab615462213f5baaa62fb690c894bef1eb

    SHA512

    45928ffec4f1bf9a86469bb54f83ba6fdcd275ef9826bd923e890fce83d7a8f975c309bda4849d3f2d066ea458f23fa8e6aefe26be5e874249712462ecd69660

  • \Users\Admin\AppData\Local\Temp\n8126\s8126.exe

    Filesize

    350KB

    MD5

    54394ba7de5b2c5e3df92557ea95f014

    SHA1

    47a99735e089139495643c9027effcb6b1fc5504

    SHA256

    339f7dd54a1e07bfcabb5749047ef4ab615462213f5baaa62fb690c894bef1eb

    SHA512

    45928ffec4f1bf9a86469bb54f83ba6fdcd275ef9826bd923e890fce83d7a8f975c309bda4849d3f2d066ea458f23fa8e6aefe26be5e874249712462ecd69660

  • memory/1004-62-0x000007FEF4070000-0x000007FEF4A93000-memory.dmp

    Filesize

    10.1MB

  • memory/1004-63-0x000007FEF2FD0000-0x000007FEF4066000-memory.dmp

    Filesize

    16.6MB

  • memory/1004-64-0x0000000001F96000-0x0000000001FB5000-memory.dmp

    Filesize

    124KB

  • memory/1004-65-0x000007FEEE540000-0x000007FEEF3CF000-memory.dmp

    Filesize

    14.6MB

  • memory/1004-66-0x000007FEF2B90000-0x000007FEF2E7A000-memory.dmp

    Filesize

    2.9MB

  • memory/1004-67-0x0000000001F96000-0x0000000001FB5000-memory.dmp

    Filesize

    124KB

  • memory/1308-54-0x00000000766F1000-0x00000000766F3000-memory.dmp

    Filesize

    8KB