Analysis

  • max time kernel
    68s
  • max time network
    90s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    28/11/2022, 07:18

General

  • Target

    a4dc5507ce71dc0205a30449c0f3c1bdefa23795f89cb45ab5827e2773247add.exe

  • Size

    512KB

  • MD5

    44568206f07c0bfc6cc063cfc662b339

  • SHA1

    717b48df8b8df892ef5a6182ad2ab979ba26fee0

  • SHA256

    a4dc5507ce71dc0205a30449c0f3c1bdefa23795f89cb45ab5827e2773247add

  • SHA512

    354e973ab467fb91aa2159e56adc34ce1ec0791710ece4e5dc6eb58f8f12c7ffef8f1c3b1255985622e66b1c9501547270bf353ef43d8cb6b1a388f4603b34db

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4r:0+h9OY70z+warul3E4r

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\a4dc5507ce71dc0205a30449c0f3c1bdefa23795f89cb45ab5827e2773247add.exe
    "C:\Users\Admin\AppData\Local\Temp\a4dc5507ce71dc0205a30449c0f3c1bdefa23795f89cb45ab5827e2773247add.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:896
    • C:\Users\Admin\AppData\Local\Temp\n2693\s2693.exe
      "C:\Users\Admin\AppData\Local\Temp\n2693\s2693.exe" 7562c983b4150873821a18a79b4oKDvEOFlW3h6QZ5VrRQgxbbDNSNTesKt7v6rC7mbiToBU+3jjlRjbbzAtzT9U5dBb3Mhlg1jkO2JOH4JC9RV6n++tQSocbU125AT/a/6Qppe8g37mMpWN13b6eY2raYrRNuup8eKp/GWyZQqDyVpd /v "C:\Users\Admin\AppData\Local\Temp\a4dc5507ce71dc0205a30449c0f3c1bdefa23795f89cb45ab5827e2773247add.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:932

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n2693\s2693.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n2693\s2693.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2693\s2693.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2693\s2693.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2693\s2693.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2693\s2693.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/896-54-0x0000000076411000-0x0000000076413000-memory.dmp

    Filesize

    8KB

  • memory/932-62-0x000007FEF4460000-0x000007FEF4E83000-memory.dmp

    Filesize

    10.1MB

  • memory/932-63-0x000007FEF3180000-0x000007FEF4216000-memory.dmp

    Filesize

    16.6MB

  • memory/932-64-0x000007FEFBFE1000-0x000007FEFBFE3000-memory.dmp

    Filesize

    8KB

  • memory/932-66-0x0000000002076000-0x0000000002095000-memory.dmp

    Filesize

    124KB

  • memory/932-65-0x000007FEEE5A0000-0x000007FEEF42F000-memory.dmp

    Filesize

    14.6MB

  • memory/932-67-0x000007FEF2660000-0x000007FEF294A000-memory.dmp

    Filesize

    2.9MB

  • memory/932-68-0x0000000002076000-0x0000000002095000-memory.dmp

    Filesize

    124KB