Analysis

  • max time kernel
    60s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    28-11-2022 00:21

General

  • Target

    a0a256769d67501444093533424eaf2596e160b056138e5bb26cf95acbea3d2a.exe

  • Size

    512KB

  • MD5

    a7c516bdcc6107f6fe926807a22a51c8

  • SHA1

    6562aec5dad1a64f6d7ce8885d059f994648fa37

  • SHA256

    a0a256769d67501444093533424eaf2596e160b056138e5bb26cf95acbea3d2a

  • SHA512

    faf35063e4dedf2699e8565ecc228feb6431d0a2f3e42271ab737ba621114320008720323f3a488197812bf8987255dfae8e847cfa65b5f7a675569445d2ef93

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4u:0+h9OY70z+warul3E4u

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\a0a256769d67501444093533424eaf2596e160b056138e5bb26cf95acbea3d2a.exe
    "C:\Users\Admin\AppData\Local\Temp\a0a256769d67501444093533424eaf2596e160b056138e5bb26cf95acbea3d2a.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:948
    • C:\Users\Admin\AppData\Local\Temp\n5016\s5016.exe
      "C:\Users\Admin\AppData\Local\Temp\n5016\s5016.exe" 20c1921c2dc9fc2be41f2f6dlSxSqdH+810BSwB0yFJiXTXx5iwYfIh038l9J5eXnU0JP/Qr+RlhAWldFMebb3z7omrRFH0+IeiFFj7+p6iVMSOfcvJOvpI/Txzw9+UNgGHmIFSDr8pyhmFad7UeEtQfqZwgy+ezPLM5pWeHzwq0mpsU /v "C:\Users\Admin\AppData\Local\Temp\a0a256769d67501444093533424eaf2596e160b056138e5bb26cf95acbea3d2a.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:900

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n5016\s5016.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n5016\s5016.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n5016\s5016.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n5016\s5016.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n5016\s5016.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n5016\s5016.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/900-62-0x000007FEF39B0000-0x000007FEF43D3000-memory.dmp

    Filesize

    10.1MB

  • memory/900-63-0x000007FEF2910000-0x000007FEF39A6000-memory.dmp

    Filesize

    16.6MB

  • memory/900-64-0x0000000000B26000-0x0000000000B45000-memory.dmp

    Filesize

    124KB

  • memory/900-65-0x000007FEEDF90000-0x000007FEEEE1F000-memory.dmp

    Filesize

    14.6MB

  • memory/900-66-0x000007FEF24D0000-0x000007FEF27BA000-memory.dmp

    Filesize

    2.9MB

  • memory/900-67-0x0000000000B26000-0x0000000000B45000-memory.dmp

    Filesize

    124KB

  • memory/948-54-0x0000000075351000-0x0000000075353000-memory.dmp

    Filesize

    8KB