Analysis

  • max time kernel
    82s
  • max time network
    86s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 12:23

General

  • Target

    c691ad68b19f669233281c07db233466fcc702d81d2d5c10865db6cd1134a088.exe

  • Size

    512KB

  • MD5

    b6bbea0a7fbfda959724c21159c304ba

  • SHA1

    3426b127001454e76c747dad0cefb5e0076d2325

  • SHA256

    c691ad68b19f669233281c07db233466fcc702d81d2d5c10865db6cd1134a088

  • SHA512

    c5426312af37037fe9e5b93f6831f15614ca89710b12d3ae628e93a3ffe5c8562d4127c3a35b41e6cadeffbd026d165229ff33f3b1607d533c5f5a825e4e7741

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4p:0+h9OY70z+warul3E4p

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\c691ad68b19f669233281c07db233466fcc702d81d2d5c10865db6cd1134a088.exe
    "C:\Users\Admin\AppData\Local\Temp\c691ad68b19f669233281c07db233466fcc702d81d2d5c10865db6cd1134a088.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:1980
    • C:\Users\Admin\AppData\Local\Temp\n7398\s7398.exe
      "C:\Users\Admin\AppData\Local\Temp\n7398\s7398.exe" 7830e4335097800b4329f7585PJhpTTlBb7PbNlY9sSdv4jQlhH+AgBjOov3leK9O5VJQhHZ5u1FW1vR8RBeVqkp6kNomaFzSZ4l9g/Y03xgAt57M1a4eni/MWlTjqD3xwSsA6BSf2dSF9h4i6YndEfi24wypxVh5WAvdR1epJZ6yHcz /v "C:\Users\Admin\AppData\Local\Temp\c691ad68b19f669233281c07db233466fcc702d81d2d5c10865db6cd1134a088.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:936

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\n7398\s7398.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • C:\Users\Admin\AppData\Local\Temp\n7398\s7398.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n7398\s7398.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n7398\s7398.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n7398\s7398.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n7398\s7398.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • memory/936-62-0x000007FEF3F40000-0x000007FEF4963000-memory.dmp

          Filesize

          10.1MB

        • memory/936-63-0x000007FEF2EA0000-0x000007FEF3F36000-memory.dmp

          Filesize

          16.6MB

        • memory/936-64-0x0000000000BD6000-0x0000000000BF5000-memory.dmp

          Filesize

          124KB

        • memory/936-65-0x0000000000BD6000-0x0000000000BF5000-memory.dmp

          Filesize

          124KB

        • memory/936-66-0x000007FEEEBA0000-0x000007FEEFA2F000-memory.dmp

          Filesize

          14.6MB

        • memory/936-67-0x000007FEF2BB0000-0x000007FEF2E9A000-memory.dmp

          Filesize

          2.9MB

        • memory/936-68-0x0000000000BD6000-0x0000000000BF5000-memory.dmp

          Filesize

          124KB

        • memory/1980-54-0x00000000756B1000-0x00000000756B3000-memory.dmp

          Filesize

          8KB