Analysis

  • max time kernel
    40s
  • max time network
    99s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 21:20

General

  • Target

    1f1dadae2d9d84e8dda02e0ba8386f38b1d674f6ff14f5a0ab173bf3ca1eac65.exe

  • Size

    512KB

  • MD5

    dd1167520d29488bd7dcb2cf5b0ecc31

  • SHA1

    2dfd4fa53fe7852c044b7d1182b1f1f5a88307af

  • SHA256

    1f1dadae2d9d84e8dda02e0ba8386f38b1d674f6ff14f5a0ab173bf3ca1eac65

  • SHA512

    6854ace91dd6d35a86c95a3a7993644779241ff85d244d1eadd87502ad4dc07fd512e014215ed5bfd3be7ccfeb31c7a589b2c3be8f81d46228d8dd710910b30a

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4y:0+h9OY70z+warul3E4y

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\1f1dadae2d9d84e8dda02e0ba8386f38b1d674f6ff14f5a0ab173bf3ca1eac65.exe
    "C:\Users\Admin\AppData\Local\Temp\1f1dadae2d9d84e8dda02e0ba8386f38b1d674f6ff14f5a0ab173bf3ca1eac65.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:2020
    • C:\Users\Admin\AppData\Local\Temp\n2755\s2755.exe
      "C:\Users\Admin\AppData\Local\Temp\n2755\s2755.exe" a04409ceea7b669c36daddedBzHyN/UbnaiN/bWdajsVPyDgPEoZur5IvrnJZ/g25nKz/vQW5QlBbkpifEiMwj0VlP9Rky5aUBCfoAjXoFcLwDDHJADzTgIe2evyCN64sHtymMrbto/Gef7yYkXGNFYvnhIZBeYj9vjYGN9LDYTNxqc9 /v "C:\Users\Admin\AppData\Local\Temp\1f1dadae2d9d84e8dda02e0ba8386f38b1d674f6ff14f5a0ab173bf3ca1eac65.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:604

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n2755\s2755.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n2755\s2755.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2755\s2755.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2755\s2755.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2755\s2755.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2755\s2755.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/604-59-0x0000000000000000-mapping.dmp

  • memory/604-62-0x000007FEF3410000-0x000007FEF3E33000-memory.dmp

    Filesize

    10.1MB

  • memory/604-63-0x000007FEF2370000-0x000007FEF3406000-memory.dmp

    Filesize

    16.6MB

  • memory/604-64-0x000007FEFBAB1000-0x000007FEFBAB3000-memory.dmp

    Filesize

    8KB

  • memory/604-65-0x0000000000B06000-0x0000000000B25000-memory.dmp

    Filesize

    124KB

  • memory/604-66-0x000007FEEE030000-0x000007FEEEEBF000-memory.dmp

    Filesize

    14.6MB

  • memory/604-67-0x000007FEF2080000-0x000007FEF236A000-memory.dmp

    Filesize

    2.9MB

  • memory/604-68-0x0000000000B06000-0x0000000000B25000-memory.dmp

    Filesize

    124KB

  • memory/2020-54-0x0000000075451000-0x0000000075453000-memory.dmp

    Filesize

    8KB