Analysis

  • max time kernel
    39s
  • max time network
    51s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 23:51

General

  • Target

    236a3fd2f7269156ccdfd2da05155ebca4d83f382cd067e8686552ecd59d79ab.exe

  • Size

    512KB

  • MD5

    634cc20978428b9e2a6fcfcd7e76137e

  • SHA1

    f246e192c30a2bb71f9d79faf4f922f7a20e07cd

  • SHA256

    236a3fd2f7269156ccdfd2da05155ebca4d83f382cd067e8686552ecd59d79ab

  • SHA512

    c98023aebf8c53e95519a67b61f024d4039d7b92fcc755b20ecf29c5dd6e2f618af6cd3b3f6d5cfc0d83a8e80e4c9ceced702c6fa3516a1b2d74cbe2006e7a26

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4W:0+h9OY70z+warul3E4W

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\236a3fd2f7269156ccdfd2da05155ebca4d83f382cd067e8686552ecd59d79ab.exe
    "C:\Users\Admin\AppData\Local\Temp\236a3fd2f7269156ccdfd2da05155ebca4d83f382cd067e8686552ecd59d79ab.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:1036
    • C:\Users\Admin\AppData\Local\Temp\n1704\s1704.exe
      "C:\Users\Admin\AppData\Local\Temp\n1704\s1704.exe" 1f49ece39917167ca21f3dc5ibmJb+Mlal9HWmKe08bQCeTaocTVYETTZhM3Fae0mIKzztKn3vbyx666eA6vTFZ7upQBSRO3IT2V+xMLuOYaq3qLYs1SFgpcavy0vD/pRmvp0Tfp+II3Q8HmH4W+8Lhj/MyZWFth5k7Yr4q7MyB+yi4t /v "C:\Users\Admin\AppData\Local\Temp\236a3fd2f7269156ccdfd2da05155ebca4d83f382cd067e8686552ecd59d79ab.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1916

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n1704\s1704.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n1704\s1704.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n1704\s1704.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n1704\s1704.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n1704\s1704.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n1704\s1704.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/1036-54-0x00000000753C1000-0x00000000753C3000-memory.dmp

    Filesize

    8KB

  • memory/1916-62-0x000007FEF3FB0000-0x000007FEF49D3000-memory.dmp

    Filesize

    10.1MB

  • memory/1916-63-0x000007FEF2F10000-0x000007FEF3FA6000-memory.dmp

    Filesize

    16.6MB

  • memory/1916-64-0x000007FEFBA01000-0x000007FEFBA03000-memory.dmp

    Filesize

    8KB

  • memory/1916-65-0x000007FEEE2F0000-0x000007FEEF17F000-memory.dmp

    Filesize

    14.6MB

  • memory/1916-66-0x00000000009C6000-0x00000000009E5000-memory.dmp

    Filesize

    124KB

  • memory/1916-67-0x000007FEF2430000-0x000007FEF271A000-memory.dmp

    Filesize

    2.9MB

  • memory/1916-68-0x00000000009C6000-0x00000000009E5000-memory.dmp

    Filesize

    124KB