Analysis

  • max time kernel
    126s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    28-11-2022 07:05

General

  • Target

    c33cd78220993adc0d2a03de908587510c9239f4ee47cce5fc99ac1271599d44.exe

  • Size

    512KB

  • MD5

    6dcd25d718527631f1e47a85fa198bda

  • SHA1

    bf76947e1464fe7724cd770ce93c0738e43a89fa

  • SHA256

    c33cd78220993adc0d2a03de908587510c9239f4ee47cce5fc99ac1271599d44

  • SHA512

    2a17dd8d3881f28b1340efdf5499cefb587450fda9b14cdad886f0ba9d1f43c1e212a9a64886634821a0209b96745d378d776ed3e646554679e8c971eb8a24b4

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4x:0+h9OY70z+warul3E4x

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\c33cd78220993adc0d2a03de908587510c9239f4ee47cce5fc99ac1271599d44.exe
    "C:\Users\Admin\AppData\Local\Temp\c33cd78220993adc0d2a03de908587510c9239f4ee47cce5fc99ac1271599d44.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:2016
    • C:\Users\Admin\AppData\Local\Temp\n7636\s7636.exe
      "C:\Users\Admin\AppData\Local\Temp\n7636\s7636.exe" 0ad823e2abae0fad3eeedfcdNoqHzahrdvS9s25D4nx7NoWDp0bxtYc0qfbUvIi9w9yVh3BY5HYZ6f7amBBEI/h0gXf7bf9z/EpDkChYH0gJLzfjf9ETltWp8bd7PDtYKjy0stL27QrTWb2+FEvJGLQteyN3sq2/HJr1fiHEawO9QQ76 /v "C:\Users\Admin\AppData\Local\Temp\c33cd78220993adc0d2a03de908587510c9239f4ee47cce5fc99ac1271599d44.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1868

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n7636\s7636.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n7636\s7636.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n7636\s7636.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n7636\s7636.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n7636\s7636.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n7636\s7636.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/1868-62-0x000007FEF4650000-0x000007FEF5073000-memory.dmp

    Filesize

    10.1MB

  • memory/1868-63-0x000007FEF35B0000-0x000007FEF4646000-memory.dmp

    Filesize

    16.6MB

  • memory/1868-64-0x000007FEFC011000-0x000007FEFC013000-memory.dmp

    Filesize

    8KB

  • memory/1868-65-0x00000000009B6000-0x00000000009D5000-memory.dmp

    Filesize

    124KB

  • memory/1868-66-0x000007FEEDC20000-0x000007FEEEAAF000-memory.dmp

    Filesize

    14.6MB

  • memory/1868-67-0x000007FEF2AD0000-0x000007FEF2DBA000-memory.dmp

    Filesize

    2.9MB

  • memory/1868-68-0x00000000009B6000-0x00000000009D5000-memory.dmp

    Filesize

    124KB

  • memory/2016-54-0x00000000757A1000-0x00000000757A3000-memory.dmp

    Filesize

    8KB