Analysis

  • max time kernel
    54s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

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

General

  • Target

    652efb9a96f0d2f84e6106f893adbec8d0982c663ff35973736589fe6a0308b5.exe

  • Size

    512KB

  • MD5

    c54875c3f353365e435d4ce018734b26

  • SHA1

    91f011a98a6619c2a2143c65fbb7144da4ba8ea1

  • SHA256

    652efb9a96f0d2f84e6106f893adbec8d0982c663ff35973736589fe6a0308b5

  • SHA512

    870c9819f2bec9ae89e133db8ac186a7fbd1a093a11fe2007e9824b7e7b85872b3b582ef7f3b7128637f701bb96ff7fa4f4a567f6c7555e94b069a75ce2a68f4

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4o:0+h9OY70z+warul3E4o

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\652efb9a96f0d2f84e6106f893adbec8d0982c663ff35973736589fe6a0308b5.exe
    "C:\Users\Admin\AppData\Local\Temp\652efb9a96f0d2f84e6106f893adbec8d0982c663ff35973736589fe6a0308b5.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:1348
    • C:\Users\Admin\AppData\Local\Temp\n9635\s9635.exe
      "C:\Users\Admin\AppData\Local\Temp\n9635\s9635.exe" 87265004c045488accc92ef3lBN4cuZTdcGOHkUe+zJGatqnYaUfQpiVYWHOaJFwPE+N4ChgeTIVObLV9thaZY/nNFqtGiD8J9gaYfwao3vJku3FAt1PzMQmUEPbCxamX4v1/toJi8T6q5VAnyWiJKuujgvz70orpfJmU0qajkX1xzPy /v "C:\Users\Admin\AppData\Local\Temp\652efb9a96f0d2f84e6106f893adbec8d0982c663ff35973736589fe6a0308b5.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:836

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n9635\s9635.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n9635\s9635.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n9635\s9635.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n9635\s9635.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n9635\s9635.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n9635\s9635.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/836-62-0x000007FEF3550000-0x000007FEF3F73000-memory.dmp

    Filesize

    10.1MB

  • memory/836-63-0x000007FEF24B0000-0x000007FEF3546000-memory.dmp

    Filesize

    16.6MB

  • memory/836-64-0x000007FEFB9E1000-0x000007FEFB9E3000-memory.dmp

    Filesize

    8KB

  • memory/836-65-0x000007FEEDD40000-0x000007FEEEBCF000-memory.dmp

    Filesize

    14.6MB

  • memory/836-66-0x0000000000946000-0x0000000000965000-memory.dmp

    Filesize

    124KB

  • memory/836-67-0x000007FEF1B10000-0x000007FEF1DFA000-memory.dmp

    Filesize

    2.9MB

  • memory/836-68-0x0000000000946000-0x0000000000965000-memory.dmp

    Filesize

    124KB

  • memory/1348-54-0x0000000075B61000-0x0000000075B63000-memory.dmp

    Filesize

    8KB