Analysis

  • max time kernel
    132s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 21:13

General

  • Target

    b56064564ca37d72a3f77fbdb1f372419e0a27e37610564d083a777628253a7f.exe

  • Size

    512KB

  • MD5

    d984cd39fd076046b3eb1334d49a7bee

  • SHA1

    c718ac5ae486e3c53249c0aeae01ec4ff6e1def1

  • SHA256

    b56064564ca37d72a3f77fbdb1f372419e0a27e37610564d083a777628253a7f

  • SHA512

    689afe39353ebd527c639bad04cead1912a33c49c17b793bd3d9f6bfce410f42440d62e82c1af1d5fa131ca828c8a9fb81114c66bdd1863fdcd06069f094a565

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4n:0+h9OY70z+warul3E4n

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\b56064564ca37d72a3f77fbdb1f372419e0a27e37610564d083a777628253a7f.exe
    "C:\Users\Admin\AppData\Local\Temp\b56064564ca37d72a3f77fbdb1f372419e0a27e37610564d083a777628253a7f.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:1456
    • C:\Users\Admin\AppData\Local\Temp\n9056\s9056.exe
      "C:\Users\Admin\AppData\Local\Temp\n9056\s9056.exe" 40acb86ce86c999ca64d9ee3DDSabpSHjrYbv91Arx5odc1w5BMoTWNA25EIgYr+oS6tT0Wk9LSElY1Y6W/84Jk+lV15YecVvGhbShlKkzu5uTR9pD+SjE0kGeSySf4SGT2BSspAwCHH9iOnstI9ZnJWuHMWS+sSUbimH68T24L92mcG /v "C:\Users\Admin\AppData\Local\Temp\b56064564ca37d72a3f77fbdb1f372419e0a27e37610564d083a777628253a7f.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1720

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\n9056\s9056.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • C:\Users\Admin\AppData\Local\Temp\n9056\s9056.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n9056\s9056.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n9056\s9056.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n9056\s9056.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n9056\s9056.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • memory/1456-54-0x0000000074B51000-0x0000000074B53000-memory.dmp

          Filesize

          8KB

        • memory/1720-62-0x000007FEF3D90000-0x000007FEF47B3000-memory.dmp

          Filesize

          10.1MB

        • memory/1720-63-0x000007FEF2CF0000-0x000007FEF3D86000-memory.dmp

          Filesize

          16.6MB

        • memory/1720-64-0x000007FEFB771000-0x000007FEFB773000-memory.dmp

          Filesize

          8KB

        • memory/1720-65-0x00000000004D6000-0x00000000004F5000-memory.dmp

          Filesize

          124KB

        • memory/1720-66-0x000007FEED990000-0x000007FEEE81F000-memory.dmp

          Filesize

          14.6MB

        • memory/1720-67-0x000007FEF2210000-0x000007FEF24FA000-memory.dmp

          Filesize

          2.9MB

        • memory/1720-68-0x00000000004D6000-0x00000000004F5000-memory.dmp

          Filesize

          124KB