Analysis

  • max time kernel
    136s
  • max time network
    184s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    28/11/2022, 06:50

General

  • Target

    e1f3db29c4c896de34e9ac549de8430952649f3d05f5553cab4d17d971efa857.exe

  • Size

    512KB

  • MD5

    0e0b7fcc36efcb89a24e546b65d428e6

  • SHA1

    a1bd1d6d7032c1b37e43b6b80e0606285267b17d

  • SHA256

    e1f3db29c4c896de34e9ac549de8430952649f3d05f5553cab4d17d971efa857

  • SHA512

    06e99fa15b288fb3270743233dae604ba3dff893ec4899844f063f3f6dfc5517197077d965293f35a9f72f0ffb453352ce695e20d1dff87606f91503dcbf83d0

  • 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\e1f3db29c4c896de34e9ac549de8430952649f3d05f5553cab4d17d971efa857.exe
    "C:\Users\Admin\AppData\Local\Temp\e1f3db29c4c896de34e9ac549de8430952649f3d05f5553cab4d17d971efa857.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:1752
    • C:\Users\Admin\AppData\Local\Temp\n2765\s2765.exe
      "C:\Users\Admin\AppData\Local\Temp\n2765\s2765.exe" 66f6e1f876cbcc7ad1a47342QMohYt6GZjOtgs/+rc9Vk7fJgNkCyRUNjQ+v0E5xrOgjVV4SrgyQRi3FM1cu8KcBbX76Al6vaSfEz+IDA/Qxr5wSVg8KaAkDS97OQtrA2/j1wiXcRSwmZ44+HeHfcq2PTdnsilWISaNaC2BlcTxL36EH /v "C:\Users\Admin\AppData\Local\Temp\e1f3db29c4c896de34e9ac549de8430952649f3d05f5553cab4d17d971efa857.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1436

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\n2765\s2765.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • C:\Users\Admin\AppData\Local\Temp\n2765\s2765.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n2765\s2765.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n2765\s2765.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n2765\s2765.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n2765\s2765.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • memory/1436-62-0x000007FEF3710000-0x000007FEF4133000-memory.dmp

          Filesize

          10.1MB

        • memory/1436-63-0x000007FEF2670000-0x000007FEF3706000-memory.dmp

          Filesize

          16.6MB

        • memory/1436-64-0x000007FEFBCA1000-0x000007FEFBCA3000-memory.dmp

          Filesize

          8KB

        • memory/1436-65-0x0000000000A26000-0x0000000000A45000-memory.dmp

          Filesize

          124KB

        • memory/1436-66-0x000007FEEDD00000-0x000007FEEEB8F000-memory.dmp

          Filesize

          14.6MB

        • memory/1436-67-0x000007FEF2380000-0x000007FEF266A000-memory.dmp

          Filesize

          2.9MB

        • memory/1436-68-0x0000000000A26000-0x0000000000A45000-memory.dmp

          Filesize

          124KB

        • memory/1436-69-0x0000000000A26000-0x0000000000A45000-memory.dmp

          Filesize

          124KB

        • memory/1752-54-0x0000000076091000-0x0000000076093000-memory.dmp

          Filesize

          8KB