Analysis

  • max time kernel
    63s
  • max time network
    96s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    28/11/2022, 00:25

General

  • Target

    0665e59981239fa8b5009b64af4e7fcc1c4e0a038021b8214c530a8a158f08b8.exe

  • Size

    512KB

  • MD5

    38a9a5ce2213bd95c0b2c41ff66daf92

  • SHA1

    46ed4d54ad3011d6eaf41e9e57e52478fb9d7c2c

  • SHA256

    0665e59981239fa8b5009b64af4e7fcc1c4e0a038021b8214c530a8a158f08b8

  • SHA512

    467895c41b50b717f1a058272211967f266014bf8db15c590934352263d84dacbe8159dd5a4cb4c4f74e476f9fd264bec1470a26fb750a6531fe4392b55af31b

  • 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\0665e59981239fa8b5009b64af4e7fcc1c4e0a038021b8214c530a8a158f08b8.exe
    "C:\Users\Admin\AppData\Local\Temp\0665e59981239fa8b5009b64af4e7fcc1c4e0a038021b8214c530a8a158f08b8.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:1880
    • C:\Users\Admin\AppData\Local\Temp\n7737\s7737.exe
      "C:\Users\Admin\AppData\Local\Temp\n7737\s7737.exe" 6685596d854eccddad36a471FzMRZpISZg1SJhk4kU+mmE8w2gnDKWR4CKdSYUaFFIZFZMiLWqra6uUaoVJWhyw07OHPG53lSiioBwKhl7tOlR7Ov/k3bs+T/rcvuBGziHV4Xw2HoKcDY/H/IZuc7GIL4N9gHBbtLI4zK0ukTAgP0bah /v "C:\Users\Admin\AppData\Local\Temp\0665e59981239fa8b5009b64af4e7fcc1c4e0a038021b8214c530a8a158f08b8.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:828

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n7737\s7737.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n7737\s7737.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n7737\s7737.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n7737\s7737.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n7737\s7737.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n7737\s7737.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/828-62-0x000007FEF42B0000-0x000007FEF4CD3000-memory.dmp

    Filesize

    10.1MB

  • memory/828-63-0x000007FEF2FD0000-0x000007FEF4066000-memory.dmp

    Filesize

    16.6MB

  • memory/828-64-0x0000000002126000-0x0000000002145000-memory.dmp

    Filesize

    124KB

  • memory/828-65-0x000007FEEDE80000-0x000007FEEED0F000-memory.dmp

    Filesize

    14.6MB

  • memory/828-66-0x000007FEF2520000-0x000007FEF280A000-memory.dmp

    Filesize

    2.9MB

  • memory/828-67-0x0000000002126000-0x0000000002145000-memory.dmp

    Filesize

    124KB

  • memory/1880-54-0x0000000075FB1000-0x0000000075FB3000-memory.dmp

    Filesize

    8KB