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Analysis

  • max time kernel
    48s
  • max time network
    115s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    28/11/2022, 07:55

General

  • Target

    5af1a677edafdfb3c82b679c5b357c0afdcff2703ebc554a41ff8f65dc07f0a7.exe

  • Size

    512KB

  • MD5

    f05ecf3930ed656919d1e076074611db

  • SHA1

    5f5fc68283090cf096b80096c4d968f7fbbb2869

  • SHA256

    5af1a677edafdfb3c82b679c5b357c0afdcff2703ebc554a41ff8f65dc07f0a7

  • SHA512

    3bd7af34ee133dce00e5f49572af175b58ed6a72dc2b141bab9813a429ec162da88f5ef0c58764de9b3f5ede47034bf0d0f1a4484a2bf3cc521df138c45bd25e

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4w:0+h9OY70z+warul3E4w

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\5af1a677edafdfb3c82b679c5b357c0afdcff2703ebc554a41ff8f65dc07f0a7.exe
    "C:\Users\Admin\AppData\Local\Temp\5af1a677edafdfb3c82b679c5b357c0afdcff2703ebc554a41ff8f65dc07f0a7.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:1456
    • C:\Users\Admin\AppData\Local\Temp\n358\s358.exe
      "C:\Users\Admin\AppData\Local\Temp\n358\s358.exe" 08401d7264a81e9e83ca46f2QJ1F0L6KnpLXNGUB+tQ8WVZ1LNzZFwuYMZJ2fIVY0p3Ruh5I2haiN5ddAXgdVzTkWL71XhoAq1llqfwHEiDG1SR1jiOZA5CU44h3RDXpYpoFznpNKZdzR8LiPWQA9cLrpZfUC98kOT2TEFtz2OCMEzOb /v "C:\Users\Admin\AppData\Local\Temp\5af1a677edafdfb3c82b679c5b357c0afdcff2703ebc554a41ff8f65dc07f0a7.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1472

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n358\s358.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n358\s358.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n358\s358.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n358\s358.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n358\s358.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n358\s358.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/1456-54-0x0000000075B51000-0x0000000075B53000-memory.dmp

    Filesize

    8KB

  • memory/1472-62-0x000007FEF3C50000-0x000007FEF4673000-memory.dmp

    Filesize

    10.1MB

  • memory/1472-63-0x000007FEF2BB0000-0x000007FEF3C46000-memory.dmp

    Filesize

    16.6MB

  • memory/1472-64-0x000007FEFB5E1000-0x000007FEFB5E3000-memory.dmp

    Filesize

    8KB

  • memory/1472-65-0x0000000001F76000-0x0000000001F95000-memory.dmp

    Filesize

    124KB

  • memory/1472-66-0x000007FEEDD50000-0x000007FEEEBDF000-memory.dmp

    Filesize

    14.6MB

  • memory/1472-67-0x000007FEF20D0000-0x000007FEF23BA000-memory.dmp

    Filesize

    2.9MB

  • memory/1472-68-0x0000000001F76000-0x0000000001F95000-memory.dmp

    Filesize

    124KB