Analysis

  • max time kernel
    123s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 05:31

General

  • Target

    adda89932684ebd04d24406358163caf17ed91b089b70303ce049e280e56b030.exe

  • Size

    512KB

  • MD5

    90f40929398f861a82773c01312e4cdd

  • SHA1

    444f8283cfe41005a1592285932c707697cdb78f

  • SHA256

    adda89932684ebd04d24406358163caf17ed91b089b70303ce049e280e56b030

  • SHA512

    8252fb6b41692dff29c95fe48b6f4abca781594af91948ea958d7f2d9fb7c81ec2c471b1bad75c5142a26e058acef44278c4122ad83d4ce68c9ee0a19fdff2c0

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4L:0+h9OY70z+warul3E4L

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\adda89932684ebd04d24406358163caf17ed91b089b70303ce049e280e56b030.exe
    "C:\Users\Admin\AppData\Local\Temp\adda89932684ebd04d24406358163caf17ed91b089b70303ce049e280e56b030.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:1952
    • C:\Users\Admin\AppData\Local\Temp\n831\s831.exe
      "C:\Users\Admin\AppData\Local\Temp\n831\s831.exe" 77515635bc3767c0c130675c5aHig4wEXJ73UZbKQSVMdkZalKEIRZnvI88HUp5Xs4TihNqMrA1Uv2F4mSnTD5eS6Yzb8hdAL1LLJPyq0vVRGj+vd0SAJzPPpv8OM1k953Gv8WyEg9YqGz8o0DqaFicDV6hYx+M0iZEzzvQ+TDxbtZL9 /v "C:\Users\Admin\AppData\Local\Temp\adda89932684ebd04d24406358163caf17ed91b089b70303ce049e280e56b030.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1732

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\n831\s831.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • C:\Users\Admin\AppData\Local\Temp\n831\s831.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n831\s831.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n831\s831.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n831\s831.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n831\s831.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • memory/1732-62-0x000007FEF45C0000-0x000007FEF4FE3000-memory.dmp

          Filesize

          10.1MB

        • memory/1732-63-0x000007FEF3520000-0x000007FEF45B6000-memory.dmp

          Filesize

          16.6MB

        • memory/1732-64-0x0000000000256000-0x0000000000275000-memory.dmp

          Filesize

          124KB

        • memory/1732-65-0x000007FEEE040000-0x000007FEEEECF000-memory.dmp

          Filesize

          14.6MB

        • memory/1732-66-0x000007FEF27E0000-0x000007FEF2ACA000-memory.dmp

          Filesize

          2.9MB

        • memory/1732-67-0x0000000000256000-0x0000000000275000-memory.dmp

          Filesize

          124KB

        • memory/1952-54-0x0000000075D01000-0x0000000075D03000-memory.dmp

          Filesize

          8KB