Analysis

  • max time kernel
    133s
  • max time network
    252s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 11:45

General

  • Target

    5b525e1dfac27d9128532d79707f8e3e754df74c9c5a4fd67978d326492ee43d.exe

  • Size

    512KB

  • MD5

    25f4351f83276fd9d6e7ebdfd1d8fe7d

  • SHA1

    b4144e03709c1e2d5a9d85aca6c09186d389ffa1

  • SHA256

    5b525e1dfac27d9128532d79707f8e3e754df74c9c5a4fd67978d326492ee43d

  • SHA512

    3961b1f2170eb45190bc99aba393cadb62e16c7cd53acad8c9ebbd80a096a205d798b3a3bc89a020c131c8e9622775f56cd54b64d4d117a55c790207a4ccc1f7

  • 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\5b525e1dfac27d9128532d79707f8e3e754df74c9c5a4fd67978d326492ee43d.exe
    "C:\Users\Admin\AppData\Local\Temp\5b525e1dfac27d9128532d79707f8e3e754df74c9c5a4fd67978d326492ee43d.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:2008
    • C:\Users\Admin\AppData\Local\Temp\n9540\s9540.exe
      "C:\Users\Admin\AppData\Local\Temp\n9540\s9540.exe" 984e6d50183abb4e41ced0036M6tEbRfyQOfzLkOdDJlPlmbzZsiLKv7jwKLRIrM/W1Taxp0lfioC/NtT6YouUi4ME0qoP6EibLzM/1F8ELQJCghk8c3yIsKQGQha9b3eghP+Qjyj95/W8Olui12sPR03IgEeB7uByKcZxgmDObmDvJj /v "C:\Users\Admin\AppData\Local\Temp\5b525e1dfac27d9128532d79707f8e3e754df74c9c5a4fd67978d326492ee43d.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:868

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n9540\s9540.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n9540\s9540.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n9540\s9540.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n9540\s9540.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n9540\s9540.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n9540\s9540.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/868-62-0x000007FEF3440000-0x000007FEF3E63000-memory.dmp

    Filesize

    10.1MB

  • memory/868-63-0x000007FEF2160000-0x000007FEF31F6000-memory.dmp

    Filesize

    16.6MB

  • memory/868-64-0x0000000001F86000-0x0000000001FA5000-memory.dmp

    Filesize

    124KB

  • memory/868-65-0x000007FEED940000-0x000007FEEE7CF000-memory.dmp

    Filesize

    14.6MB

  • memory/868-66-0x000007FEED650000-0x000007FEED93A000-memory.dmp

    Filesize

    2.9MB

  • memory/868-67-0x0000000001F86000-0x0000000001FA5000-memory.dmp

    Filesize

    124KB

  • memory/2008-54-0x0000000074E61000-0x0000000074E63000-memory.dmp

    Filesize

    8KB