Analysis

  • max time kernel
    68s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    28-11-2022 00:23

General

  • Target

    489fb542995ddd7db56b9b02967532583b2a9e4a209d8133d02bcecbbc97d811.exe

  • Size

    512KB

  • MD5

    98c45356e0db877badd723492a8d6f0c

  • SHA1

    7db85f4ef1e1a5622e64b3b19134ee885ecdaca0

  • SHA256

    489fb542995ddd7db56b9b02967532583b2a9e4a209d8133d02bcecbbc97d811

  • SHA512

    66a9e142237a996fa33a870e97a4c27a5ee1646b1f8bf1f4503dedfaf1fd01e6ddea238e15220b97588ac35abd9d882fe290f8516ea7a737674afb15de4ff3e0

  • 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\489fb542995ddd7db56b9b02967532583b2a9e4a209d8133d02bcecbbc97d811.exe
    "C:\Users\Admin\AppData\Local\Temp\489fb542995ddd7db56b9b02967532583b2a9e4a209d8133d02bcecbbc97d811.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:1392
    • C:\Users\Admin\AppData\Local\Temp\n5741\s5741.exe
      "C:\Users\Admin\AppData\Local\Temp\n5741\s5741.exe" 8583f8a99710b10e849ffd94fhdmd5jh8UW3AIjc5gMq3FZRLGOlxGjhUcJMZSQcrJHipWrFAaf3+pIFTnPIehDQydJ6I2kYQnI4rX8yFLkN6S2c7uPoKNZRKm70FuivpK+YPG5G/R9R/QfcCzoJpR/8ii5nHYcWxFEl8lHwbZvzYle5 /v "C:\Users\Admin\AppData\Local\Temp\489fb542995ddd7db56b9b02967532583b2a9e4a209d8133d02bcecbbc97d811.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1732

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n5741\s5741.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n5741\s5741.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n5741\s5741.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n5741\s5741.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n5741\s5741.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n5741\s5741.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/1392-54-0x0000000075521000-0x0000000075523000-memory.dmp

    Filesize

    8KB

  • memory/1732-59-0x0000000000000000-mapping.dmp

  • memory/1732-62-0x000007FEF40A0000-0x000007FEF4AC3000-memory.dmp

    Filesize

    10.1MB

  • memory/1732-63-0x000007FEF2DC0000-0x000007FEF3E56000-memory.dmp

    Filesize

    16.6MB

  • memory/1732-64-0x000007FEFBA81000-0x000007FEFBA83000-memory.dmp

    Filesize

    8KB

  • memory/1732-65-0x0000000001F36000-0x0000000001F55000-memory.dmp

    Filesize

    124KB

  • memory/1732-66-0x000007FEEDE40000-0x000007FEEECCF000-memory.dmp

    Filesize

    14.6MB

  • memory/1732-67-0x000007FEF22A0000-0x000007FEF258A000-memory.dmp

    Filesize

    2.9MB

  • memory/1732-68-0x0000000001F36000-0x0000000001F55000-memory.dmp

    Filesize

    124KB