Analysis

  • max time kernel
    110s
  • max time network
    199s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 15:33

General

  • Target

    a223355e8646a85fdf3847b4fd9494f3a246efbbdd8b5d0b11cc503a16edc2be.exe

  • Size

    512KB

  • MD5

    3b149486b8e2ce33edfd58adab50aa2e

  • SHA1

    e754a471b7adf1709434c9f5bff8b034a7c40bf4

  • SHA256

    a223355e8646a85fdf3847b4fd9494f3a246efbbdd8b5d0b11cc503a16edc2be

  • SHA512

    f56210749c39d867d9fa5cd76558f4e524770dae305eef58c5e4efde7605708ec3f946cf50c931f9feae0870b6bf16155fdb797f619cf3bcd1a146b9f5513b98

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4h:0+h9OY70z+warul3E4h

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\a223355e8646a85fdf3847b4fd9494f3a246efbbdd8b5d0b11cc503a16edc2be.exe
    "C:\Users\Admin\AppData\Local\Temp\a223355e8646a85fdf3847b4fd9494f3a246efbbdd8b5d0b11cc503a16edc2be.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:1620
    • C:\Users\Admin\AppData\Local\Temp\n4339\s4358.exe
      "C:\Users\Admin\AppData\Local\Temp\n4339\s4358.exe" e89098969047c2219b5f67b7jZ+QbB/hEQyLDcZcp/70uaiBSrKT2paJJjl27BxGZvx7T8Kqr2osXQgDI7L/LxhKkE6iiEYKLC8+2B9h8GKoJP/yYp0V/v+2d2blIpWOKbD/81iNhmQLGYQCqH3qMpHSLiv4jPFuWmB+jkUTNGreGQXQ /v "C:\Users\Admin\AppData\Local\Temp\a223355e8646a85fdf3847b4fd9494f3a246efbbdd8b5d0b11cc503a16edc2be.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1492

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n4339\s4358.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n4339\s4358.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n4339\s4358.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n4339\s4358.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n4339\s4358.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n4339\s4358.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/1492-62-0x000007FEF3ED0000-0x000007FEF48F3000-memory.dmp

    Filesize

    10.1MB

  • memory/1492-63-0x000007FEF2E30000-0x000007FEF3EC6000-memory.dmp

    Filesize

    16.6MB

  • memory/1492-64-0x0000000000716000-0x0000000000735000-memory.dmp

    Filesize

    124KB

  • memory/1492-65-0x000007FEEE350000-0x000007FEEF1DF000-memory.dmp

    Filesize

    14.6MB

  • memory/1492-66-0x000007FEF2B40000-0x000007FEF2E2A000-memory.dmp

    Filesize

    2.9MB

  • memory/1492-67-0x0000000000716000-0x0000000000735000-memory.dmp

    Filesize

    124KB

  • memory/1492-68-0x0000000000716000-0x0000000000735000-memory.dmp

    Filesize

    124KB

  • memory/1620-54-0x0000000075C81000-0x0000000075C83000-memory.dmp

    Filesize

    8KB