Analysis

  • max time kernel
    182s
  • max time network
    186s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 21:39

General

  • Target

    be457264fbf802147dab913b1eee69cf52986698663fcd4e221fe6616173383f.exe

  • Size

    512KB

  • MD5

    d034a0bd0fea4ee05b3a0295f5f1d130

  • SHA1

    0190a1c2f24f94863aaec991bf813f9ab91ebf9d

  • SHA256

    be457264fbf802147dab913b1eee69cf52986698663fcd4e221fe6616173383f

  • SHA512

    45ac7225697e52cf0ddd1257228d4bf7a360ade488216c24a8360f11dd979b803dce6c11af4f21ffff6a96b480111105c5a6a75947c33fa95bad09697ba2ded3

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4K:0+h9OY70z+warul3E4K

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\be457264fbf802147dab913b1eee69cf52986698663fcd4e221fe6616173383f.exe
    "C:\Users\Admin\AppData\Local\Temp\be457264fbf802147dab913b1eee69cf52986698663fcd4e221fe6616173383f.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:844
    • C:\Users\Admin\AppData\Local\Temp\n2497\s2497.exe
      "C:\Users\Admin\AppData\Local\Temp\n2497\s2497.exe" 6ad9f6b1072f052b840d0511Wt4YhEe3UNQ7anDiyakdDvIOetWBkKFzOCaZRMuCB6fweml8M9AcE9N3q5zwcORJevJC0aWU6IV8tO/XAVHIf5I6BBLC08kJaWNi478StROU1qv/SVtI6gyRJtfG3BCAgqQNieQ7xoqbsc3WorkANulT /v "C:\Users\Admin\AppData\Local\Temp\be457264fbf802147dab913b1eee69cf52986698663fcd4e221fe6616173383f.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1712

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n2497\s2497.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n2497\s2497.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2497\s2497.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2497\s2497.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2497\s2497.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2497\s2497.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/844-54-0x0000000074F01000-0x0000000074F03000-memory.dmp

    Filesize

    8KB

  • memory/1712-62-0x000007FEF34D0000-0x000007FEF3EF3000-memory.dmp

    Filesize

    10.1MB

  • memory/1712-63-0x000007FEF1DF0000-0x000007FEF2E86000-memory.dmp

    Filesize

    16.6MB

  • memory/1712-64-0x000007FEFB8A1000-0x000007FEFB8A3000-memory.dmp

    Filesize

    8KB

  • memory/1712-65-0x0000000001F96000-0x0000000001FB5000-memory.dmp

    Filesize

    124KB

  • memory/1712-66-0x000007FEEDA10000-0x000007FEEE89F000-memory.dmp

    Filesize

    14.6MB

  • memory/1712-67-0x000007FEEEF50000-0x000007FEEF23A000-memory.dmp

    Filesize

    2.9MB

  • memory/1712-68-0x0000000001F96000-0x0000000001FB5000-memory.dmp

    Filesize

    124KB