Analysis

  • max time kernel
    70s
  • max time network
    91s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 23:50

General

  • Target

    836c676ab32ff37e45a772c484fbf3a4635d6be058378da3ef9adf094f946880.exe

  • Size

    512KB

  • MD5

    7fbdbd612a147286db8bd6c08daa97fc

  • SHA1

    6350ded0bb314fdbcbc9da6c7cdb3b430b94e680

  • SHA256

    836c676ab32ff37e45a772c484fbf3a4635d6be058378da3ef9adf094f946880

  • SHA512

    fb40c3955fe185f1653d046225dc28c8f104e0cf23460395150e2467501b0a4433e709337ec14c6957e384c1a271e9c5a20d197c91bc513666013513e79fc57f

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4S:0+h9OY70z+warul3E4S

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\836c676ab32ff37e45a772c484fbf3a4635d6be058378da3ef9adf094f946880.exe
    "C:\Users\Admin\AppData\Local\Temp\836c676ab32ff37e45a772c484fbf3a4635d6be058378da3ef9adf094f946880.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:1228
    • C:\Users\Admin\AppData\Local\Temp\n6725\s6725.exe
      "C:\Users\Admin\AppData\Local\Temp\n6725\s6725.exe" 440ba9509f9ba41468470a6bQaB6PhT+acQfBlJPQ6jYRAttMx9JGa8tIVb9KHhwLvVTaUfGv1KAty7UlgYcFm0In92HeLqZmg+fewclWJMS8hmadF3ePu+fechpL5G6zxDWVzofcxp1tFczWw/K/kKTv6XFOkvrxhebdiUFr67CWqTG /v "C:\Users\Admin\AppData\Local\Temp\836c676ab32ff37e45a772c484fbf3a4635d6be058378da3ef9adf094f946880.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:948

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\n6725\s6725.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • C:\Users\Admin\AppData\Local\Temp\n6725\s6725.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n6725\s6725.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n6725\s6725.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n6725\s6725.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n6725\s6725.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • memory/948-62-0x000007FEF4940000-0x000007FEF5363000-memory.dmp

          Filesize

          10.1MB

        • memory/948-63-0x000007FEEE8C0000-0x000007FEEF956000-memory.dmp

          Filesize

          16.6MB

        • memory/948-64-0x000007FEFC341000-0x000007FEFC343000-memory.dmp

          Filesize

          8KB

        • memory/948-65-0x0000000000AF6000-0x0000000000B15000-memory.dmp

          Filesize

          124KB

        • memory/948-66-0x000007FEEDA30000-0x000007FEEE8BF000-memory.dmp

          Filesize

          14.6MB

        • memory/948-67-0x000007FEF3590000-0x000007FEF387A000-memory.dmp

          Filesize

          2.9MB

        • memory/948-68-0x0000000000AF6000-0x0000000000B15000-memory.dmp

          Filesize

          124KB

        • memory/948-69-0x0000000000AF6000-0x0000000000B15000-memory.dmp

          Filesize

          124KB

        • memory/1228-54-0x0000000076401000-0x0000000076403000-memory.dmp

          Filesize

          8KB