Analysis

  • max time kernel
    57s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 22:00

General

  • Target

    85b004639d1200f219c0648e825b7820e71d6f0613ea666cea0ceaae4fecddec.exe

  • Size

    512KB

  • MD5

    b1fdb7db9137fbc99c498b641634bc5e

  • SHA1

    268f1ef56325ca6f2d8246cf39f209da2e3ab6b6

  • SHA256

    85b004639d1200f219c0648e825b7820e71d6f0613ea666cea0ceaae4fecddec

  • SHA512

    b151831cf1028b9ed582c34a752f9b6c9b25a9ec9cec32daeede1b9b8a2d6ecf2b991029ae2238a2a855b996190901eee0bd4073d9fd72bb6b17539b18e81185

  • 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\85b004639d1200f219c0648e825b7820e71d6f0613ea666cea0ceaae4fecddec.exe
    "C:\Users\Admin\AppData\Local\Temp\85b004639d1200f219c0648e825b7820e71d6f0613ea666cea0ceaae4fecddec.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:1760
    • C:\Users\Admin\AppData\Local\Temp\n1452\s1452.exe
      "C:\Users\Admin\AppData\Local\Temp\n1452\s1452.exe" 935faf5120c351aaa5504453j0bHubdhil/wn05l65kZM+u4JADrZe35WvCnXUcfeXEka7qdGMFc4eOfifYOGEtIZRlSMTHgymYIXDSlmrkwCl4p3UAb7CYLIvMZv2XxjuNbRGivh1gXqf5SEdmBnKpECyhLbkJTUWQzBtwJbTjvAIdN /v "C:\Users\Admin\AppData\Local\Temp\85b004639d1200f219c0648e825b7820e71d6f0613ea666cea0ceaae4fecddec.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1648

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n1452\s1452.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n1452\s1452.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n1452\s1452.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n1452\s1452.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n1452\s1452.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n1452\s1452.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/1648-62-0x000007FEF3580000-0x000007FEF3FA3000-memory.dmp

    Filesize

    10.1MB

  • memory/1648-63-0x000007FEF24E0000-0x000007FEF3576000-memory.dmp

    Filesize

    16.6MB

  • memory/1648-64-0x0000000001E06000-0x0000000001E25000-memory.dmp

    Filesize

    124KB

  • memory/1648-65-0x000007FEEDAC0000-0x000007FEEE94F000-memory.dmp

    Filesize

    14.6MB

  • memory/1648-67-0x0000000001E06000-0x0000000001E25000-memory.dmp

    Filesize

    124KB

  • memory/1648-66-0x000007FEF21F0000-0x000007FEF24DA000-memory.dmp

    Filesize

    2.9MB

  • memory/1648-68-0x0000000001E06000-0x0000000001E25000-memory.dmp

    Filesize

    124KB

  • memory/1760-54-0x0000000075C51000-0x0000000075C53000-memory.dmp

    Filesize

    8KB