Analysis

  • max time kernel
    52s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    28/11/2022, 07:42

General

  • Target

    74de69fd32bc242fff60d8e2dc00ab1aae43be5eed96421820ca60f55e8f2031.exe

  • Size

    512KB

  • MD5

    4b545f531c4d03071e00327d51f3884d

  • SHA1

    7b31502c2b01c1b62880f2e69d05bbf7c6f6565b

  • SHA256

    74de69fd32bc242fff60d8e2dc00ab1aae43be5eed96421820ca60f55e8f2031

  • SHA512

    39de615aa5e077151095a26f83308ee5775beef6d433e6f082ac98c1c810fb6f5de0da71d52ab63038dc8e84b43e61cc59df3727c1a86f8d11543a3eb6410966

  • 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\74de69fd32bc242fff60d8e2dc00ab1aae43be5eed96421820ca60f55e8f2031.exe
    "C:\Users\Admin\AppData\Local\Temp\74de69fd32bc242fff60d8e2dc00ab1aae43be5eed96421820ca60f55e8f2031.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:1880
    • C:\Users\Admin\AppData\Local\Temp\n8947\s8947.exe
      "C:\Users\Admin\AppData\Local\Temp\n8947\s8947.exe" d4a85acf438bf07d728e1308VmL9/HF4S6VBOANvg36XXSy8B541PSstoCGBvqgXdrFN7w9CQDkacLCp2NDr+A/0roUIQsBaDpeKA6aSbWiCUmKPeT0pIi9K6ghCP/b1KTjZO5H7zmh0iXlu7l8pmJNV5gTp4Na4+v5BtmT2NNwoIpff /v "C:\Users\Admin\AppData\Local\Temp\74de69fd32bc242fff60d8e2dc00ab1aae43be5eed96421820ca60f55e8f2031.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1144

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\n8947\s8947.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n8947\s8947.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n8947\s8947.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n8947\s8947.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n8947\s8947.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n8947\s8947.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/1144-62-0x000007FEF4130000-0x000007FEF4B53000-memory.dmp

    Filesize

    10.1MB

  • memory/1144-63-0x000007FEF3090000-0x000007FEF4126000-memory.dmp

    Filesize

    16.6MB

  • memory/1144-64-0x000007FEFC481000-0x000007FEFC483000-memory.dmp

    Filesize

    8KB

  • memory/1144-65-0x00000000008F6000-0x0000000000915000-memory.dmp

    Filesize

    124KB

  • memory/1144-66-0x000007FEEE760000-0x000007FEEF5EF000-memory.dmp

    Filesize

    14.6MB

  • memory/1144-67-0x000007FEF2DA0000-0x000007FEF308A000-memory.dmp

    Filesize

    2.9MB

  • memory/1144-68-0x00000000008F6000-0x0000000000915000-memory.dmp

    Filesize

    124KB

  • memory/1880-54-0x0000000076DC1000-0x0000000076DC3000-memory.dmp

    Filesize

    8KB