Analysis

  • max time kernel
    44s
  • max time network
    111s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 22:41

General

  • Target

    0a605a253719deb765f8734f76b2f33a78cbe5ddd37013e368d422e3933978d7.exe

  • Size

    512KB

  • MD5

    e8c57f77cc9b3a011c8f01041da88a40

  • SHA1

    1fa00900372a5fd1492395efd749c039e96efab1

  • SHA256

    0a605a253719deb765f8734f76b2f33a78cbe5ddd37013e368d422e3933978d7

  • SHA512

    e9af0f5109b7ff04ab036ba4ebb1e22b4e1551b620b407ea26bd594b62541a14cc464cb2cab122f3e76a6e62e7e3cf2b1b1f8f02a2104efa9ddf14ec91ad455b

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4q:0+h9OY70z+warul3E4q

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\0a605a253719deb765f8734f76b2f33a78cbe5ddd37013e368d422e3933978d7.exe
    "C:\Users\Admin\AppData\Local\Temp\0a605a253719deb765f8734f76b2f33a78cbe5ddd37013e368d422e3933978d7.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:1760
    • C:\Users\Admin\AppData\Local\Temp\n636\s636.exe
      "C:\Users\Admin\AppData\Local\Temp\n636\s636.exe" 7489ff635a957fbcf274ec4ektFo8IOZ2rJwapxzZiZDdfyWwI6J5BfEbnZOwqtr4k/Ill2rhyV4774Wgy+9JcGaiBb+PVn8/uwxnQ3s19+a7m0gmyfzWVbnyQKrS+d5bnLqjfq9njIqfd1nPKsMgfDV7xddlK1WodkynwUDRC7pGtOV /v "C:\Users\Admin\AppData\Local\Temp\0a605a253719deb765f8734f76b2f33a78cbe5ddd37013e368d422e3933978d7.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1764

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n636\s636.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n636\s636.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n636\s636.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n636\s636.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n636\s636.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n636\s636.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/1760-54-0x0000000075931000-0x0000000075933000-memory.dmp

    Filesize

    8KB

  • memory/1764-62-0x000007FEF35E0000-0x000007FEF4003000-memory.dmp

    Filesize

    10.1MB

  • memory/1764-63-0x000007FEF2540000-0x000007FEF35D6000-memory.dmp

    Filesize

    16.6MB

  • memory/1764-64-0x0000000000946000-0x0000000000965000-memory.dmp

    Filesize

    124KB

  • memory/1764-65-0x000007FEEDD20000-0x000007FEEEBAF000-memory.dmp

    Filesize

    14.6MB

  • memory/1764-66-0x000007FEF1CC0000-0x000007FEF1FAA000-memory.dmp

    Filesize

    2.9MB

  • memory/1764-67-0x0000000000946000-0x0000000000965000-memory.dmp

    Filesize

    124KB