Analysis

  • max time kernel
    137s
  • max time network
    183s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    28/11/2022, 00:35

General

  • Target

    62c390f992a726cc4ca5a7359f6ea4f9a08afaa1e7cda5d522d0b3964e7a73fe.exe

  • Size

    512KB

  • MD5

    cb6c7a8f59f87103c1b41aa665da5dc5

  • SHA1

    b075322903026e2001976453323d2e60c46cf1e4

  • SHA256

    62c390f992a726cc4ca5a7359f6ea4f9a08afaa1e7cda5d522d0b3964e7a73fe

  • SHA512

    90c1a0ba33f3640475127bf33d6d5e7ce980e9371822e1c60ca43ff56e6dd814521225e17ed07c3fe3ec8c4fbd19b89b09a63fb9ba74b389f22bfc99051eb39f

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4K:0+h9OY70z+warul3E4K

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\62c390f992a726cc4ca5a7359f6ea4f9a08afaa1e7cda5d522d0b3964e7a73fe.exe
    "C:\Users\Admin\AppData\Local\Temp\62c390f992a726cc4ca5a7359f6ea4f9a08afaa1e7cda5d522d0b3964e7a73fe.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:1768
    • C:\Users\Admin\AppData\Local\Temp\n8680\s8680.exe
      "C:\Users\Admin\AppData\Local\Temp\n8680\s8680.exe" 173b9d10c131db43e6978134ev3+ezXAUIs5pcfPeWKyT8egdRqOZ/xeCBYPmpWD8u3mv8aaEc/oRAzzG0UY2aB0eotZXPW0BAs+iyvBcskyw/J8ntfjEcaCt77zjocYFj4AE3YLX2aTY2I7zac4Qlk1jaNJpHltcbp+Iyjxwc+KOaMD /v "C:\Users\Admin\AppData\Local\Temp\62c390f992a726cc4ca5a7359f6ea4f9a08afaa1e7cda5d522d0b3964e7a73fe.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:604

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\n8680\s8680.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • C:\Users\Admin\AppData\Local\Temp\n8680\s8680.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n8680\s8680.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n8680\s8680.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n8680\s8680.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n8680\s8680.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • memory/604-62-0x000007FEF4150000-0x000007FEF4B73000-memory.dmp

          Filesize

          10.1MB

        • memory/604-63-0x000007FEF30B0000-0x000007FEF4146000-memory.dmp

          Filesize

          16.6MB

        • memory/604-64-0x0000000000B16000-0x0000000000B35000-memory.dmp

          Filesize

          124KB

        • memory/604-65-0x000007FEEE1F0000-0x000007FEEF07F000-memory.dmp

          Filesize

          14.6MB

        • memory/604-66-0x0000000000B16000-0x0000000000B35000-memory.dmp

          Filesize

          124KB

        • memory/604-67-0x000007FEEFAF0000-0x000007FEEFDDA000-memory.dmp

          Filesize

          2.9MB

        • memory/604-68-0x0000000000B16000-0x0000000000B35000-memory.dmp

          Filesize

          124KB

        • memory/1768-54-0x0000000075531000-0x0000000075533000-memory.dmp

          Filesize

          8KB