Analysis

  • max time kernel
    45s
  • max time network
    99s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    28-11-2022 01:08

General

  • Target

    8c04e5c6b4bb581f8093af6933c8fd4a73b269acaebcf66b802c1ba812d08d92.exe

  • Size

    512KB

  • MD5

    cab6ee145bf2c706c4946e0089d4c502

  • SHA1

    8ea3f7e9843af925d17d289673c9222ff0ddda99

  • SHA256

    8c04e5c6b4bb581f8093af6933c8fd4a73b269acaebcf66b802c1ba812d08d92

  • SHA512

    2a41b80a1b56c4d521a11d6938b374a97464f1b2cfa211d9735942ab4b2f6f1c0c7320b5b69d2f770a3ecca327aa26e8d8f7ab71838f7743a71072375d1c8ef8

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4J:0+h9OY70z+warul3E4J

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\8c04e5c6b4bb581f8093af6933c8fd4a73b269acaebcf66b802c1ba812d08d92.exe
    "C:\Users\Admin\AppData\Local\Temp\8c04e5c6b4bb581f8093af6933c8fd4a73b269acaebcf66b802c1ba812d08d92.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:1448
    • C:\Users\Admin\AppData\Local\Temp\n7594\s7594.exe
      "C:\Users\Admin\AppData\Local\Temp\n7594\s7594.exe" dd46889d69ca55b62cb6c2c9y1WQK/Ga0aUBtVXzEHujMXHeD3YDQC6Fso6HvVZJPwP+9hXgBQUy7bOAR1I0Ioh/CdGhI0yuqkY1ArQAAsMvq4ZSRBdsO6DvOQkNp069cUNJ24RRHLCf+1D7b/nO/EsIYFf/BG5NczwGt2Yqt1Aw+165 /v "C:\Users\Admin\AppData\Local\Temp\8c04e5c6b4bb581f8093af6933c8fd4a73b269acaebcf66b802c1ba812d08d92.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1116

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n7594\s7594.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n7594\s7594.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n7594\s7594.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n7594\s7594.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n7594\s7594.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n7594\s7594.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/1116-62-0x000007FEF3FC0000-0x000007FEF49E3000-memory.dmp

    Filesize

    10.1MB

  • memory/1116-63-0x000007FEF2F20000-0x000007FEF3FB6000-memory.dmp

    Filesize

    16.6MB

  • memory/1116-64-0x000007FEFB9E1000-0x000007FEFB9E3000-memory.dmp

    Filesize

    8KB

  • memory/1116-65-0x0000000001F56000-0x0000000001F75000-memory.dmp

    Filesize

    124KB

  • memory/1116-66-0x000007FEED560000-0x000007FEEE3EF000-memory.dmp

    Filesize

    14.6MB

  • memory/1116-67-0x000007FEF2440000-0x000007FEF272A000-memory.dmp

    Filesize

    2.9MB

  • memory/1116-68-0x0000000001F56000-0x0000000001F75000-memory.dmp

    Filesize

    124KB

  • memory/1448-54-0x00000000758B1000-0x00000000758B3000-memory.dmp

    Filesize

    8KB