Analysis

  • max time kernel
    69s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    28/11/2022, 08:02

General

  • Target

    4b3d535e36bd9f000472467214ca7d253cb60dbd06c481f37dfc21934686a3f0.exe

  • Size

    512KB

  • MD5

    247cd72c66266aaea0f6645bd916ae3b

  • SHA1

    524fe2625a98ee7fd67bccde0644245ce2c4a1ad

  • SHA256

    4b3d535e36bd9f000472467214ca7d253cb60dbd06c481f37dfc21934686a3f0

  • SHA512

    e8b40b2cef29ef2237d88c2cb4f9154e9ab17ac74a0543a85d34a5323bd30345fc964402a0123da9797eba4198e993fe2c7cd3226e9f78c358723d5e77e613e8

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4a:0+h9OY70z+warul3E4a

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\4b3d535e36bd9f000472467214ca7d253cb60dbd06c481f37dfc21934686a3f0.exe
    "C:\Users\Admin\AppData\Local\Temp\4b3d535e36bd9f000472467214ca7d253cb60dbd06c481f37dfc21934686a3f0.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:1384
    • C:\Users\Admin\AppData\Local\Temp\n9404\s9404.exe
      "C:\Users\Admin\AppData\Local\Temp\n9404\s9404.exe" e9c5755cbe5e8d96de81407cdPYk5AjVfHh/2Pu7ytERQywyJuwUlmkF9Wo/irvBTALwioIjV7vFxzpzzzyRzPsr+pHh1pvVAqP/+nSVGOH7u18J39OhOcZtn8FGA5VB5VsZmB7iyo8i00TTChp481nzH/FLM3kg9UaxYuvwFREo9CM= /v "C:\Users\Admin\AppData\Local\Temp\4b3d535e36bd9f000472467214ca7d253cb60dbd06c481f37dfc21934686a3f0.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1072

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\n9404\s9404.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • C:\Users\Admin\AppData\Local\Temp\n9404\s9404.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n9404\s9404.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n9404\s9404.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n9404\s9404.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n9404\s9404.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • memory/1072-62-0x000007FEF4130000-0x000007FEF4B53000-memory.dmp

          Filesize

          10.1MB

        • memory/1072-63-0x000007FEF3090000-0x000007FEF4126000-memory.dmp

          Filesize

          16.6MB

        • memory/1072-64-0x0000000000596000-0x00000000005B5000-memory.dmp

          Filesize

          124KB

        • memory/1072-65-0x000007FEEE760000-0x000007FEEF5EF000-memory.dmp

          Filesize

          14.6MB

        • memory/1072-66-0x0000000000596000-0x00000000005B5000-memory.dmp

          Filesize

          124KB

        • memory/1072-67-0x0000000000596000-0x00000000005B5000-memory.dmp

          Filesize

          124KB

        • memory/1384-54-0x0000000076DC1000-0x0000000076DC3000-memory.dmp

          Filesize

          8KB