Analysis

  • max time kernel
    39s
  • max time network
    79s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    28/11/2022, 06:37

General

  • Target

    fbdf80a2ad1524548cad131722e0375a2fef084753837e8674f0fe566ee5574a.exe

  • Size

    512KB

  • MD5

    8e6399036ed10376a3f177762c2dfcbb

  • SHA1

    090acb02acb7f22230615608fe2ab8d5ecffff1f

  • SHA256

    fbdf80a2ad1524548cad131722e0375a2fef084753837e8674f0fe566ee5574a

  • SHA512

    4b7a426829e99b6e964532c67265f9e12082360c818f5b9af858297feb2000cc2117541f2289af907c9878f0f18c78e871d584df0c3904c4a3a6229861ed2020

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E43:0+h9OY70z+warul3E43

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\fbdf80a2ad1524548cad131722e0375a2fef084753837e8674f0fe566ee5574a.exe
    "C:\Users\Admin\AppData\Local\Temp\fbdf80a2ad1524548cad131722e0375a2fef084753837e8674f0fe566ee5574a.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:908
    • C:\Users\Admin\AppData\Local\Temp\n9287\s9287.exe
      "C:\Users\Admin\AppData\Local\Temp\n9287\s9287.exe" 540b900d58ef1332cfc3fd38GoTpCoTg/HVQrLf3+wTXcQ+ThcWswPpgy42/1gcv62yBq0tBAEsK56v6v1PUDth1r5q0U8oNRzI0PMif2etkbD7YLSqGjei15wlVG3jAObOoS3bqOtdrJMN/ovq1k35610mSyIWDAv8pLnip6dVbTLVp /v "C:\Users\Admin\AppData\Local\Temp\fbdf80a2ad1524548cad131722e0375a2fef084753837e8674f0fe566ee5574a.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2040

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n9287\s9287.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n9287\s9287.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n9287\s9287.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n9287\s9287.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n9287\s9287.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n9287\s9287.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/908-54-0x0000000076871000-0x0000000076873000-memory.dmp

    Filesize

    8KB

  • memory/2040-62-0x000007FEF4A30000-0x000007FEF5453000-memory.dmp

    Filesize

    10.1MB

  • memory/2040-63-0x000007FEEF2C0000-0x000007FEF0356000-memory.dmp

    Filesize

    16.6MB

  • memory/2040-64-0x000007FEFC521000-0x000007FEFC523000-memory.dmp

    Filesize

    8KB

  • memory/2040-65-0x0000000000A96000-0x0000000000AB5000-memory.dmp

    Filesize

    124KB

  • memory/2040-66-0x000007FEEE430000-0x000007FEEF2BF000-memory.dmp

    Filesize

    14.6MB

  • memory/2040-67-0x000007FEF56B0000-0x000007FEF599A000-memory.dmp

    Filesize

    2.9MB

  • memory/2040-68-0x0000000000A96000-0x0000000000AB5000-memory.dmp

    Filesize

    124KB

  • memory/2040-69-0x0000000000A96000-0x0000000000AB5000-memory.dmp

    Filesize

    124KB