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Analysis

  • max time kernel
    233s
  • max time network
    365s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 21:11

General

  • Target

    e37fa9677322f5cf32fc8fc8b1ebaaf89c4030428fb3b27d4d71f40e1b8e61d4.exe

  • Size

    512KB

  • MD5

    2bbd633fd0bf61c2fd0fc0d63f5001ba

  • SHA1

    060876d5525e4d5b1b45b5c8251139b3707cb002

  • SHA256

    e37fa9677322f5cf32fc8fc8b1ebaaf89c4030428fb3b27d4d71f40e1b8e61d4

  • SHA512

    39b9985de43a85e89dbf6e4eb6e7e42afdc9eba5c109dc5dd3527db066070aff21b048e4141fe5604d20f252e5f9dfd9fd68f9ea95c81bb0adb4d7ee1c575100

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4W:0+h9OY70z+warul3E4W

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\e37fa9677322f5cf32fc8fc8b1ebaaf89c4030428fb3b27d4d71f40e1b8e61d4.exe
    "C:\Users\Admin\AppData\Local\Temp\e37fa9677322f5cf32fc8fc8b1ebaaf89c4030428fb3b27d4d71f40e1b8e61d4.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:1516
    • C:\Users\Admin\AppData\Local\Temp\n8094\s8117.exe
      "C:\Users\Admin\AppData\Local\Temp\n8094\s8117.exe" dd956cbf9f10516e96338fb3UJuQihrNx844IubzLGS6zOODOR+CIBTrm6EHocZths9nHnIv/SEFz8NGoNz6eT4CLI3EIiBY2uMAPmqgg/Je/Ps5no66awBl0WoBIeEw8nHyeea0xoY1RV89uHWSnTokxzax5o8NwAhLI2z/h31G9Jw= /v "C:\Users\Admin\AppData\Local\Temp\e37fa9677322f5cf32fc8fc8b1ebaaf89c4030428fb3b27d4d71f40e1b8e61d4.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:468

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n8094\s8117.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n8094\s8117.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n8094\s8117.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n8094\s8117.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n8094\s8117.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n8094\s8117.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/468-62-0x000007FEF3D30000-0x000007FEF4753000-memory.dmp

    Filesize

    10.1MB

  • memory/468-63-0x000007FEF2A50000-0x000007FEF3AE6000-memory.dmp

    Filesize

    16.6MB

  • memory/468-64-0x0000000000A36000-0x0000000000A55000-memory.dmp

    Filesize

    124KB

  • memory/468-65-0x000007FEED880000-0x000007FEEE70F000-memory.dmp

    Filesize

    14.6MB

  • memory/468-66-0x000007FEF20E0000-0x000007FEF23CA000-memory.dmp

    Filesize

    2.9MB

  • memory/468-67-0x0000000000A36000-0x0000000000A55000-memory.dmp

    Filesize

    124KB

  • memory/1516-54-0x0000000075671000-0x0000000075673000-memory.dmp

    Filesize

    8KB