Analysis

  • max time kernel
    85s
  • max time network
    175s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 08:53

General

  • Target

    1bac9cace011fbdbbb9ae70d22a03bd6b4d7a46ff62fbeffea35a0ae61d6bc1d.exe

  • Size

    512KB

  • MD5

    f2c40e6308e8d63d1204be7a3697ec1e

  • SHA1

    21b9e768e030c99eb67a031e2834e28abbac1b04

  • SHA256

    1bac9cace011fbdbbb9ae70d22a03bd6b4d7a46ff62fbeffea35a0ae61d6bc1d

  • SHA512

    72dba94e7ebb6b1227aefac6b71614519dde0365679ed4893f6bbe0b6a1844437d5aed5310b591710724aec10494286b5812a433230850dfd787cf5d94f86143

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4p:0+h9OY70z+warul3E4p

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\1bac9cace011fbdbbb9ae70d22a03bd6b4d7a46ff62fbeffea35a0ae61d6bc1d.exe
    "C:\Users\Admin\AppData\Local\Temp\1bac9cace011fbdbbb9ae70d22a03bd6b4d7a46ff62fbeffea35a0ae61d6bc1d.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:1188
    • C:\Users\Admin\AppData\Local\Temp\n3049\s3049.exe
      "C:\Users\Admin\AppData\Local\Temp\n3049\s3049.exe" 4979fdc3143c9bde88d78265M8qBU3XKcRuqMZJBrz+YhVQ9mUFJ+HPmyc1rPYOLk3mV9EFUctVZUjFw/V1QSlTa+7c2PHM53BBaSl94gdGKbbMxrYv8OvZZKYx9yuWmQ3YNbI5thvu2o/bnVwOL+0DGo6+qv/M8qAuhSMtAfnrLEz5w /v "C:\Users\Admin\AppData\Local\Temp\1bac9cace011fbdbbb9ae70d22a03bd6b4d7a46ff62fbeffea35a0ae61d6bc1d.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:848

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n3049\s3049.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n3049\s3049.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n3049\s3049.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n3049\s3049.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n3049\s3049.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n3049\s3049.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/848-62-0x000007FEF4A00000-0x000007FEF5423000-memory.dmp

    Filesize

    10.1MB

  • memory/848-63-0x000007FEF3720000-0x000007FEF47B6000-memory.dmp

    Filesize

    16.6MB

  • memory/848-64-0x00000000009E6000-0x0000000000A05000-memory.dmp

    Filesize

    124KB

  • memory/848-65-0x000007FEEED00000-0x000007FEEFB8F000-memory.dmp

    Filesize

    14.6MB

  • memory/848-66-0x00000000009E6000-0x0000000000A05000-memory.dmp

    Filesize

    124KB

  • memory/848-67-0x000007FEF2DB0000-0x000007FEF309A000-memory.dmp

    Filesize

    2.9MB

  • memory/848-68-0x00000000009E6000-0x0000000000A05000-memory.dmp

    Filesize

    124KB

  • memory/1188-54-0x00000000759F1000-0x00000000759F3000-memory.dmp

    Filesize

    8KB