Analysis

  • max time kernel
    57s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 21:48

General

  • Target

    58a0ad0b383db918fe14bb42b380a5495112076ddd0fba72550afc94ef738ebc.exe

  • Size

    512KB

  • MD5

    56fc24880020d7e326acd3366275e87a

  • SHA1

    8c36084f1939279c809c168f795f3e2a87b32c81

  • SHA256

    58a0ad0b383db918fe14bb42b380a5495112076ddd0fba72550afc94ef738ebc

  • SHA512

    b31227aa233769da0d4dd8bfe4001044e248874298ccdab78111b4eab4aa2c73dfd00b6e1f8c41c28d72e854aba0b971a9d006da37cb78be420e2a8b82bf35b1

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4B:0+h9OY70z+warul3E4B

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\58a0ad0b383db918fe14bb42b380a5495112076ddd0fba72550afc94ef738ebc.exe
    "C:\Users\Admin\AppData\Local\Temp\58a0ad0b383db918fe14bb42b380a5495112076ddd0fba72550afc94ef738ebc.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:1584
    • C:\Users\Admin\AppData\Local\Temp\n4505\s4505.exe
      "C:\Users\Admin\AppData\Local\Temp\n4505\s4505.exe" 18f7ad90909957bf51e717e9TvUnxCE72pF2uPAMuZtJpd6m6Tv29YbOaqnTclBkXtwgC5DafZX7WnZegEn64C8ol53SjtTUTqGCo1fEZVjjsbtM8x/wYrsdt9faBZ2ycTDuVt0G9U15uyT7vvZC9ecMNfwXNMCxUmOAcEDcO3giO83f /v "C:\Users\Admin\AppData\Local\Temp\58a0ad0b383db918fe14bb42b380a5495112076ddd0fba72550afc94ef738ebc.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1748

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n4505\s4505.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n4505\s4505.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n4505\s4505.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n4505\s4505.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n4505\s4505.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n4505\s4505.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/1584-54-0x0000000074BB1000-0x0000000074BB3000-memory.dmp

    Filesize

    8KB

  • memory/1748-62-0x000007FEF3E10000-0x000007FEF4833000-memory.dmp

    Filesize

    10.1MB

  • memory/1748-59-0x0000000000000000-mapping.dmp

  • memory/1748-63-0x000007FEF2940000-0x000007FEF39D6000-memory.dmp

    Filesize

    16.6MB

  • memory/1748-64-0x000007FEFB7D1000-0x000007FEFB7D3000-memory.dmp

    Filesize

    8KB

  • memory/1748-65-0x00000000005D6000-0x00000000005F5000-memory.dmp

    Filesize

    124KB

  • memory/1748-66-0x000007FEED940000-0x000007FEEE7CF000-memory.dmp

    Filesize

    14.6MB

  • memory/1748-67-0x00000000005D6000-0x00000000005F5000-memory.dmp

    Filesize

    124KB

  • memory/1748-68-0x000007FEF1FD0000-0x000007FEF22BA000-memory.dmp

    Filesize

    2.9MB

  • memory/1748-69-0x00000000005D6000-0x00000000005F5000-memory.dmp

    Filesize

    124KB