Analysis

  • max time kernel
    52s
  • max time network
    116s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    28-11-2022 07:33

General

  • Target

    890148a014379fd2ce4c89d57ba666d0d46ff626280bd605647e6a7d913357a0.exe

  • Size

    512KB

  • MD5

    55ccba07375d6ed9d935415ff7d91b6d

  • SHA1

    ba719c0b8b57b851121af678516c78db0931493b

  • SHA256

    890148a014379fd2ce4c89d57ba666d0d46ff626280bd605647e6a7d913357a0

  • SHA512

    944974b466d2ebc7ed1db79d9103a5694bd2e89bc9b3dec45ace75b4d83e5ee2585f900ae3f431bf4643571089103e1e827bef4f970070a05cc2e501667217e0

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4Z:0+h9OY70z+warul3E4Z

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\890148a014379fd2ce4c89d57ba666d0d46ff626280bd605647e6a7d913357a0.exe
    "C:\Users\Admin\AppData\Local\Temp\890148a014379fd2ce4c89d57ba666d0d46ff626280bd605647e6a7d913357a0.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:1468
    • C:\Users\Admin\AppData\Local\Temp\n6318\s6318.exe
      "C:\Users\Admin\AppData\Local\Temp\n6318\s6318.exe" fe67bb8dbc7374c63c450801ZrhNxa3NjSiL3rGI4msniI0gvS+RHOMiLvXh55S1Feh45pxnuv6QWeTtit2N57lLK3/CDZnJjMALFHQ08pWZyB8QOr1jG/BrkcfVmumC+0EqYtjEgo16o9JAPvNi+/ZHaUcVd1H0DxooU1qc9yafhwhs /v "C:\Users\Admin\AppData\Local\Temp\890148a014379fd2ce4c89d57ba666d0d46ff626280bd605647e6a7d913357a0.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1632

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n6318\s6318.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n6318\s6318.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n6318\s6318.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n6318\s6318.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n6318\s6318.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n6318\s6318.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/1468-54-0x0000000075211000-0x0000000075213000-memory.dmp

    Filesize

    8KB

  • memory/1632-62-0x000007FEF41E0000-0x000007FEF4C03000-memory.dmp

    Filesize

    10.1MB

  • memory/1632-63-0x000007FEF2F00000-0x000007FEF3F96000-memory.dmp

    Filesize

    16.6MB

  • memory/1632-64-0x000007FEFBCB1000-0x000007FEFBCB3000-memory.dmp

    Filesize

    8KB

  • memory/1632-65-0x0000000002036000-0x0000000002055000-memory.dmp

    Filesize

    124KB

  • memory/1632-66-0x000007FEEDE30000-0x000007FEEECBF000-memory.dmp

    Filesize

    14.6MB

  • memory/1632-67-0x000007FEF1EE0000-0x000007FEF21CA000-memory.dmp

    Filesize

    2.9MB

  • memory/1632-68-0x0000000002036000-0x0000000002055000-memory.dmp

    Filesize

    124KB

  • memory/1632-69-0x0000000002036000-0x0000000002055000-memory.dmp

    Filesize

    124KB