Analysis

  • max time kernel
    123s
  • max time network
    133s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 09:14

General

  • Target

    15ca51d32ad7a3d1df83d79ea21659fda6f3c55db96ff275f128cab1a33a571f.exe

  • Size

    624KB

  • MD5

    7e9d458dd41c2fd6673ceecd7e162b64

  • SHA1

    e9160b7961c08ca9912c6e384e1d78c19cfa846f

  • SHA256

    15ca51d32ad7a3d1df83d79ea21659fda6f3c55db96ff275f128cab1a33a571f

  • SHA512

    1fcaf36da79efc9f9df18f6c826f171b45c80cfdce0ccbba223ab6c575321d1681bb48391b3ddffce4e070e151ea71d338042d880adec96521d4202252912d08

  • SSDEEP

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

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\15ca51d32ad7a3d1df83d79ea21659fda6f3c55db96ff275f128cab1a33a571f.exe
    "C:\Users\Admin\AppData\Local\Temp\15ca51d32ad7a3d1df83d79ea21659fda6f3c55db96ff275f128cab1a33a571f.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:1396
    • C:\Users\Admin\AppData\Local\Temp\n8248\s8248.exe
      "C:\Users\Admin\AppData\Local\Temp\n8248\s8248.exe" 7d5e3ffe2f2301619a5bd94bLMzK6EMPQ+tQ52I9O4HxWPvEIXfwE8HmZduMizZCDNqlfNIMQIqSI6KADk9d7+jp1ZvA65anAIOZHyeIiXasAUNPBpXt6viO2wUNjCU8gWwJNQ5hjru7+elKecZQOeSb19VXkLIJPXe9dCqJXs1BpHh3srW9QaSBLbXGQtE= /v "C:\Users\Admin\AppData\Local\Temp\15ca51d32ad7a3d1df83d79ea21659fda6f3c55db96ff275f128cab1a33a571f.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:584

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n8248\s8248.exe

    Filesize

    350KB

    MD5

    54394ba7de5b2c5e3df92557ea95f014

    SHA1

    47a99735e089139495643c9027effcb6b1fc5504

    SHA256

    339f7dd54a1e07bfcabb5749047ef4ab615462213f5baaa62fb690c894bef1eb

    SHA512

    45928ffec4f1bf9a86469bb54f83ba6fdcd275ef9826bd923e890fce83d7a8f975c309bda4849d3f2d066ea458f23fa8e6aefe26be5e874249712462ecd69660

  • C:\Users\Admin\AppData\Local\Temp\n8248\s8248.exe

    Filesize

    350KB

    MD5

    54394ba7de5b2c5e3df92557ea95f014

    SHA1

    47a99735e089139495643c9027effcb6b1fc5504

    SHA256

    339f7dd54a1e07bfcabb5749047ef4ab615462213f5baaa62fb690c894bef1eb

    SHA512

    45928ffec4f1bf9a86469bb54f83ba6fdcd275ef9826bd923e890fce83d7a8f975c309bda4849d3f2d066ea458f23fa8e6aefe26be5e874249712462ecd69660

  • \Users\Admin\AppData\Local\Temp\n8248\s8248.exe

    Filesize

    350KB

    MD5

    54394ba7de5b2c5e3df92557ea95f014

    SHA1

    47a99735e089139495643c9027effcb6b1fc5504

    SHA256

    339f7dd54a1e07bfcabb5749047ef4ab615462213f5baaa62fb690c894bef1eb

    SHA512

    45928ffec4f1bf9a86469bb54f83ba6fdcd275ef9826bd923e890fce83d7a8f975c309bda4849d3f2d066ea458f23fa8e6aefe26be5e874249712462ecd69660

  • \Users\Admin\AppData\Local\Temp\n8248\s8248.exe

    Filesize

    350KB

    MD5

    54394ba7de5b2c5e3df92557ea95f014

    SHA1

    47a99735e089139495643c9027effcb6b1fc5504

    SHA256

    339f7dd54a1e07bfcabb5749047ef4ab615462213f5baaa62fb690c894bef1eb

    SHA512

    45928ffec4f1bf9a86469bb54f83ba6fdcd275ef9826bd923e890fce83d7a8f975c309bda4849d3f2d066ea458f23fa8e6aefe26be5e874249712462ecd69660

  • \Users\Admin\AppData\Local\Temp\n8248\s8248.exe

    Filesize

    350KB

    MD5

    54394ba7de5b2c5e3df92557ea95f014

    SHA1

    47a99735e089139495643c9027effcb6b1fc5504

    SHA256

    339f7dd54a1e07bfcabb5749047ef4ab615462213f5baaa62fb690c894bef1eb

    SHA512

    45928ffec4f1bf9a86469bb54f83ba6fdcd275ef9826bd923e890fce83d7a8f975c309bda4849d3f2d066ea458f23fa8e6aefe26be5e874249712462ecd69660

  • \Users\Admin\AppData\Local\Temp\n8248\s8248.exe

    Filesize

    350KB

    MD5

    54394ba7de5b2c5e3df92557ea95f014

    SHA1

    47a99735e089139495643c9027effcb6b1fc5504

    SHA256

    339f7dd54a1e07bfcabb5749047ef4ab615462213f5baaa62fb690c894bef1eb

    SHA512

    45928ffec4f1bf9a86469bb54f83ba6fdcd275ef9826bd923e890fce83d7a8f975c309bda4849d3f2d066ea458f23fa8e6aefe26be5e874249712462ecd69660

  • memory/584-59-0x0000000000000000-mapping.dmp

  • memory/584-62-0x000007FEF35D0000-0x000007FEF3FF3000-memory.dmp

    Filesize

    10.1MB

  • memory/584-63-0x000007FEF2530000-0x000007FEF35C6000-memory.dmp

    Filesize

    16.6MB

  • memory/584-64-0x0000000000B46000-0x0000000000B65000-memory.dmp

    Filesize

    124KB

  • memory/584-65-0x0000000000B46000-0x0000000000B65000-memory.dmp

    Filesize

    124KB

  • memory/584-66-0x000007FEEE3E0000-0x000007FEEF26F000-memory.dmp

    Filesize

    14.6MB

  • memory/584-67-0x000007FEF2240000-0x000007FEF252A000-memory.dmp

    Filesize

    2.9MB

  • memory/584-68-0x0000000000B46000-0x0000000000B65000-memory.dmp

    Filesize

    124KB

  • memory/1396-54-0x0000000075BE1000-0x0000000075BE3000-memory.dmp

    Filesize

    8KB