Analysis

  • max time kernel
    44s
  • max time network
    100s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 21:25

General

  • Target

    81118c2fe7feef0b0a19bd05865717cc0c0275e1d0f78d648599dd2ffc9e572f.exe

  • Size

    512KB

  • MD5

    89b862facdc28b95c797c3be34ba836d

  • SHA1

    e1ee32ecc243792a589072fceefd5723ba62706a

  • SHA256

    81118c2fe7feef0b0a19bd05865717cc0c0275e1d0f78d648599dd2ffc9e572f

  • SHA512

    3222e376f2efd0198e46fd85ce52db79302d3cb963bde085812fc9e7f99805b82cc1b4a57fc7b3a63be27a2c34c6cce5176404086e9ac6ff209952f31c80805e

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4o:0+h9OY70z+warul3E4o

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\81118c2fe7feef0b0a19bd05865717cc0c0275e1d0f78d648599dd2ffc9e572f.exe
    "C:\Users\Admin\AppData\Local\Temp\81118c2fe7feef0b0a19bd05865717cc0c0275e1d0f78d648599dd2ffc9e572f.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:1492
    • C:\Users\Admin\AppData\Local\Temp\n9728\s9728.exe
      "C:\Users\Admin\AppData\Local\Temp\n9728\s9728.exe" 44e533af58e108208af875d3TWCnge2utSTqlBwEZr1EwbXUl0s3BwuIslM0krX8Cp3AulBZUefX2hwvjjwS2xjTyPjM7EtCDtXsuFVo0bS9U1TW6b79l0NJR6WITDJO8sEkKjGq1rZjVU2pby5TqCVCG8sZ9O3jLrAQBbaAOywX1beu /v "C:\Users\Admin\AppData\Local\Temp\81118c2fe7feef0b0a19bd05865717cc0c0275e1d0f78d648599dd2ffc9e572f.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1776

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n9728\s9728.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n9728\s9728.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n9728\s9728.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n9728\s9728.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n9728\s9728.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n9728\s9728.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/1492-54-0x0000000076BA1000-0x0000000076BA3000-memory.dmp

    Filesize

    8KB

  • memory/1776-62-0x000007FEF49D0000-0x000007FEF53F3000-memory.dmp

    Filesize

    10.1MB

  • memory/1776-63-0x000007FEF2C50000-0x000007FEF3CE6000-memory.dmp

    Filesize

    16.6MB

  • memory/1776-64-0x000007FEFC5A1000-0x000007FEFC5A3000-memory.dmp

    Filesize

    8KB

  • memory/1776-65-0x0000000000A06000-0x0000000000A25000-memory.dmp

    Filesize

    124KB

  • memory/1776-66-0x000007FEEE4E0000-0x000007FEEF36F000-memory.dmp

    Filesize

    14.6MB

  • memory/1776-67-0x000007FEF2960000-0x000007FEF2C4A000-memory.dmp

    Filesize

    2.9MB

  • memory/1776-68-0x0000000000A06000-0x0000000000A25000-memory.dmp

    Filesize

    124KB