Analysis

  • max time kernel
    71s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 20:53

General

  • Target

    8163f4f76e3ca1d9caedfe56cf8afc3bd225fec0230209c272acb7535905cb36.exe

  • Size

    512KB

  • MD5

    aad62420ef60fbb4d99354d78f052d97

  • SHA1

    a521f95349b6479bfcb5bfa7ed45b68e6c080829

  • SHA256

    8163f4f76e3ca1d9caedfe56cf8afc3bd225fec0230209c272acb7535905cb36

  • SHA512

    d017ff2feb673d2aed5f592b83708b670f66758eba6b17aa09566b50b6e40fd26af0ec91e0a28d7a2bc38f41423bd07466081c1b10f2a113e22babd70457b9ea

  • 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\8163f4f76e3ca1d9caedfe56cf8afc3bd225fec0230209c272acb7535905cb36.exe
    "C:\Users\Admin\AppData\Local\Temp\8163f4f76e3ca1d9caedfe56cf8afc3bd225fec0230209c272acb7535905cb36.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:2012
    • C:\Users\Admin\AppData\Local\Temp\n2604\s2604.exe
      "C:\Users\Admin\AppData\Local\Temp\n2604\s2604.exe" f57ccb5d6192d459df409a93XNY9QyIBgW0NNOUFRg4zn4OW39hLdd9iMU6TpajS+O48PRtmIPxlqGO/wI7R4sEOqHF1BNbFoopNpSB4cuO9Hcf80AIzyHenCvXs8t6RRqBIAARFgqpLgwcff9J+aq7av7FbxwFbObmU/mv+yFQEM68= /v "C:\Users\Admin\AppData\Local\Temp\8163f4f76e3ca1d9caedfe56cf8afc3bd225fec0230209c272acb7535905cb36.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:596

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n2604\s2604.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n2604\s2604.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2604\s2604.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2604\s2604.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2604\s2604.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2604\s2604.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/596-62-0x000007FEF3DB0000-0x000007FEF47D3000-memory.dmp

    Filesize

    10.1MB

  • memory/596-63-0x000007FEEF010000-0x000007FEF00A6000-memory.dmp

    Filesize

    16.6MB

  • memory/596-64-0x000007FEFC2D1000-0x000007FEFC2D3000-memory.dmp

    Filesize

    8KB

  • memory/596-65-0x0000000000530000-0x00000000005B0000-memory.dmp

    Filesize

    512KB

  • memory/596-66-0x000007FEEE180000-0x000007FEEF00F000-memory.dmp

    Filesize

    14.6MB

  • memory/596-67-0x0000000000530000-0x00000000005B0000-memory.dmp

    Filesize

    512KB

  • memory/596-68-0x000007FEF3410000-0x000007FEF36FA000-memory.dmp

    Filesize

    2.9MB

  • memory/2012-54-0x00000000760D1000-0x00000000760D3000-memory.dmp

    Filesize

    8KB