Analysis

  • max time kernel
    59s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 09:40

General

  • Target

    2f8467f0bee46803d0b0ab7a013862e481de7bb5d389789dc0ddef4f722ba953.exe

  • Size

    512KB

  • MD5

    66272ce8180fd2b6f968e76627f5a978

  • SHA1

    0f26dbcde508837f5d74bfc26a62014c6d78a5ce

  • SHA256

    2f8467f0bee46803d0b0ab7a013862e481de7bb5d389789dc0ddef4f722ba953

  • SHA512

    8e684680c50114faeeaeb3a90059dcd08eb2ab1e36f172af520cf52c1b172e6e470cff6f58d7c0f028689815f0fab3e3a90bd8e37f5504d6435fd0d88935520d

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4F:0+h9OY70z+warul3E4F

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\2f8467f0bee46803d0b0ab7a013862e481de7bb5d389789dc0ddef4f722ba953.exe
    "C:\Users\Admin\AppData\Local\Temp\2f8467f0bee46803d0b0ab7a013862e481de7bb5d389789dc0ddef4f722ba953.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:748
    • C:\Users\Admin\AppData\Local\Temp\n8604\s8604.exe
      "C:\Users\Admin\AppData\Local\Temp\n8604\s8604.exe" e18689cb3de3d24c7983a4ccEjRTmCZh3cjQnSTDMTTLnhi2H2vacD5e3dH9Eo5VTLEL0JNUp7HcRjMYkXybsxcG4NAaEhnEiXZIVJ8Vf1LFpb7fSnA31E1d0aXMSGlAr2wsx0A3oiQ8SUIoKIjoCTczd+egSo59r+L/NPBU4Vv1XffT /v "C:\Users\Admin\AppData\Local\Temp\2f8467f0bee46803d0b0ab7a013862e481de7bb5d389789dc0ddef4f722ba953.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1708

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n8604\s8604.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n8604\s8604.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n8604\s8604.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n8604\s8604.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n8604\s8604.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n8604\s8604.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/748-54-0x0000000075B11000-0x0000000075B13000-memory.dmp

    Filesize

    8KB

  • memory/1708-62-0x000007FEF4280000-0x000007FEF4CA3000-memory.dmp

    Filesize

    10.1MB

  • memory/1708-63-0x000007FEF2FA0000-0x000007FEF4036000-memory.dmp

    Filesize

    16.6MB

  • memory/1708-64-0x000007FEFBC61000-0x000007FEFBC63000-memory.dmp

    Filesize

    8KB

  • memory/1708-65-0x0000000000BE6000-0x0000000000C05000-memory.dmp

    Filesize

    124KB

  • memory/1708-66-0x000007FEEDF00000-0x000007FEEED8F000-memory.dmp

    Filesize

    14.6MB

  • memory/1708-67-0x000007FEF1F20000-0x000007FEF220A000-memory.dmp

    Filesize

    2.9MB

  • memory/1708-68-0x0000000000BE6000-0x0000000000C05000-memory.dmp

    Filesize

    124KB