Analysis

  • max time kernel
    146s
  • max time network
    162s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    28/11/2022, 07:36

General

  • Target

    82d149850eb972817308db6d950459b329469094a9833a5fb7979bc8b715259c.exe

  • Size

    512KB

  • MD5

    4e31e9b29c41ef90e0d255629393dabf

  • SHA1

    4fdbf6c3a0d29826c15530c97bd068f26bb270fc

  • SHA256

    82d149850eb972817308db6d950459b329469094a9833a5fb7979bc8b715259c

  • SHA512

    7217d9ea8b7fa75b7eee6693eb0231fc295bb723fe424b4737fea664971bc13930c2c7994f5708b272e8da39f46c4131ebbc9159a9cef250f139df779d36aa27

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4B:0+h9OY70z+warul3E4B

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\82d149850eb972817308db6d950459b329469094a9833a5fb7979bc8b715259c.exe
    "C:\Users\Admin\AppData\Local\Temp\82d149850eb972817308db6d950459b329469094a9833a5fb7979bc8b715259c.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:768
    • C:\Users\Admin\AppData\Local\Temp\n2331\s2331.exe
      "C:\Users\Admin\AppData\Local\Temp\n2331\s2331.exe" d628da67b4ee4f9283648e65+O9bX1cUQ4vA8r2f2SDnRLyy8JGoGrNH1lCi+q67HaRDhasO2kvpywlu7WbRpdS0Pt/QIjGF57YNDV0e1P4/Dy3dmQutXFh4S2vCZKhY9k9+QLwacUghiwMEB+XI3hy8WPFBI6fDWV8Mrd37xQ5aWCUi /v "C:\Users\Admin\AppData\Local\Temp\82d149850eb972817308db6d950459b329469094a9833a5fb7979bc8b715259c.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:112

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n2331\s2331.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n2331\s2331.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2331\s2331.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2331\s2331.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2331\s2331.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2331\s2331.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/112-62-0x000007FEF41C0000-0x000007FEF4BE3000-memory.dmp

    Filesize

    10.1MB

  • memory/112-63-0x000007FEEDE30000-0x000007FEEEEC6000-memory.dmp

    Filesize

    16.6MB

  • memory/112-64-0x0000000000AD6000-0x0000000000AF5000-memory.dmp

    Filesize

    124KB

  • memory/112-66-0x0000000000AD6000-0x0000000000AF5000-memory.dmp

    Filesize

    124KB

  • memory/112-65-0x000007FEECFA0000-0x000007FEEDE2F000-memory.dmp

    Filesize

    14.6MB

  • memory/112-67-0x000007FEF3610000-0x000007FEF38FA000-memory.dmp

    Filesize

    2.9MB

  • memory/112-68-0x0000000000AD6000-0x0000000000AF5000-memory.dmp

    Filesize

    124KB

  • memory/768-54-0x0000000075D01000-0x0000000075D03000-memory.dmp

    Filesize

    8KB