Analysis

  • max time kernel
    45s
  • max time network
    108s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 07:43

General

  • Target

    d04c0e761ee8afaf9b6d2d241a5673d0abea5fe7b215060e6c6983f21fd77630.exe

  • Size

    512KB

  • MD5

    f3827b3d2fb9fc658ab674521f1fd559

  • SHA1

    4bbabfdc53926297ecf40fba626f4f0c62a9e1a0

  • SHA256

    d04c0e761ee8afaf9b6d2d241a5673d0abea5fe7b215060e6c6983f21fd77630

  • SHA512

    b6c9f29350524f98ec05f753a1b34a716abe085ea477f9df62bce7e3e66dd5980515cca1377bf9ad53c21d2e1d92d53fa2f1ef91a634321f013b1c4e65118831

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E48:0+h9OY70z+warul3E48

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\d04c0e761ee8afaf9b6d2d241a5673d0abea5fe7b215060e6c6983f21fd77630.exe
    "C:\Users\Admin\AppData\Local\Temp\d04c0e761ee8afaf9b6d2d241a5673d0abea5fe7b215060e6c6983f21fd77630.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:988
    • C:\Users\Admin\AppData\Local\Temp\n5856\s5856.exe
      "C:\Users\Admin\AppData\Local\Temp\n5856\s5856.exe" 5161e7725f6bab0cf99b022enFVuPX29IDAkLSy2NYz9rrfAUKFC8MNfaPlB94aK/v3U5TdekRsmdVvGIl4cCrWYpGftpsBfuqaOtLGAOYJl7gqjBPvekdJeTGOWpdnc7HVbwn56Ob2staI2wNFVf+8FAZwmX22ywZUgasZQawQx1gk0 /v "C:\Users\Admin\AppData\Local\Temp\d04c0e761ee8afaf9b6d2d241a5673d0abea5fe7b215060e6c6983f21fd77630.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\n5856\s5856.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n5856\s5856.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n5856\s5856.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n5856\s5856.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n5856\s5856.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n5856\s5856.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/988-54-0x0000000075021000-0x0000000075023000-memory.dmp

    Filesize

    8KB

  • memory/1868-59-0x0000000000000000-mapping.dmp

  • memory/1868-62-0x000007FEF4150000-0x000007FEF4B73000-memory.dmp

    Filesize

    10.1MB

  • memory/1868-63-0x000007FEF2E70000-0x000007FEF3F06000-memory.dmp

    Filesize

    16.6MB

  • memory/1868-64-0x000007FEFBDE1000-0x000007FEFBDE3000-memory.dmp

    Filesize

    8KB

  • memory/1868-65-0x0000000000BC6000-0x0000000000BE5000-memory.dmp

    Filesize

    124KB

  • memory/1868-66-0x000007FEEE030000-0x000007FEEEEBF000-memory.dmp

    Filesize

    14.6MB

  • memory/1868-67-0x000007FEF1E50000-0x000007FEF213A000-memory.dmp

    Filesize

    2.9MB

  • memory/1868-68-0x0000000000BC6000-0x0000000000BE5000-memory.dmp

    Filesize

    124KB