Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    28/11/2022, 07:40

General

  • Target

    7b2b3ee11897ead2bde3bcc77edb3cd7a472e37c047c5a71534a08695478050b.exe

  • Size

    512KB

  • MD5

    89b3a21bccda5169b641387938bf7585

  • SHA1

    4637c686dbe2daa0e117c2fdde9a2bf3eb5f93fb

  • SHA256

    7b2b3ee11897ead2bde3bcc77edb3cd7a472e37c047c5a71534a08695478050b

  • SHA512

    14a294eea53d30295a0d2145b21545564e9fc0447d9a8b0c68384a7d49c080d2e6c9e943fe912e837690bb0d4e8223655be28b997a87bc25a766ac3268dce6b5

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4q:0+h9OY70z+warul3E4q

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\7b2b3ee11897ead2bde3bcc77edb3cd7a472e37c047c5a71534a08695478050b.exe
    "C:\Users\Admin\AppData\Local\Temp\7b2b3ee11897ead2bde3bcc77edb3cd7a472e37c047c5a71534a08695478050b.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:1784
    • C:\Users\Admin\AppData\Local\Temp\n2955\s2955.exe
      "C:\Users\Admin\AppData\Local\Temp\n2955\s2955.exe" fb802db06b02a81e14f3e59auMQyqapOB3SN2fK7Ua6BJ9H997rR59+/xpFh5tr+MmUqIrTb+ywMfUlLztMVe2KcEOzZKZjSkj50ic5Bpxmj6fSvnRuCtfPfINkQtrxr9F7gGUkRkh3NIso1n5ADRY8NzhCbOKmH3TDYDttUX0y9fUqi /v "C:\Users\Admin\AppData\Local\Temp\7b2b3ee11897ead2bde3bcc77edb3cd7a472e37c047c5a71534a08695478050b.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1284

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n2955\s2955.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n2955\s2955.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2955\s2955.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2955\s2955.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2955\s2955.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2955\s2955.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/1284-62-0x000007FEF40A0000-0x000007FEF4AC3000-memory.dmp

    Filesize

    10.1MB

  • memory/1284-63-0x000007FEF3000000-0x000007FEF4096000-memory.dmp

    Filesize

    16.6MB

  • memory/1284-64-0x000007FEFC421000-0x000007FEFC423000-memory.dmp

    Filesize

    8KB

  • memory/1284-65-0x000007FEEEA80000-0x000007FEEF90F000-memory.dmp

    Filesize

    14.6MB

  • memory/1284-66-0x0000000000B66000-0x0000000000B85000-memory.dmp

    Filesize

    124KB

  • memory/1284-67-0x000007FEF2D10000-0x000007FEF2FFA000-memory.dmp

    Filesize

    2.9MB

  • memory/1284-68-0x0000000000B66000-0x0000000000B85000-memory.dmp

    Filesize

    124KB

  • memory/1784-54-0x00000000762F1000-0x00000000762F3000-memory.dmp

    Filesize

    8KB