Analysis

  • max time kernel
    99s
  • max time network
    222s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 12:30

General

  • Target

    7601742c5daa223d23f8c2e206c13336a61310b51b48c5ba5fd1a2ccd0ecdb88.exe

  • Size

    512KB

  • MD5

    77e19c3990d0503a6f384736b8f48a13

  • SHA1

    a03aba531bcc07740535a51ec98b7021ada3d746

  • SHA256

    7601742c5daa223d23f8c2e206c13336a61310b51b48c5ba5fd1a2ccd0ecdb88

  • SHA512

    bb96758d3ecd88415f5e3d4db49553073d6b7320404b34ebd61c4ab9b36c6e01c154db41c7d06d1d2f4abe78e4780ff931995ce6d2c02a400b009db795c71715

  • 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\7601742c5daa223d23f8c2e206c13336a61310b51b48c5ba5fd1a2ccd0ecdb88.exe
    "C:\Users\Admin\AppData\Local\Temp\7601742c5daa223d23f8c2e206c13336a61310b51b48c5ba5fd1a2ccd0ecdb88.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:2024
    • C:\Users\Admin\AppData\Local\Temp\n5866\s5879.exe
      "C:\Users\Admin\AppData\Local\Temp\n5866\s5879.exe" 7431b6bc2664ebc2aa5fd8c2ig1efiMs5WYzQ/bZd9IsGw2EO7iWnHPethngDy8bKUTVXMtkFx3FFNjbl/LYgjuah3vqqCIj6sYDmlxegtfAIBpStCiM57wh6PfE0OegloOM3n9H1Lp1bEeDc5ccw4JqrKWWmhDhvTgzsgRM9hd+kLK9 /v "C:\Users\Admin\AppData\Local\Temp\7601742c5daa223d23f8c2e206c13336a61310b51b48c5ba5fd1a2ccd0ecdb88.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1048

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n5866\s5879.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n5866\s5879.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n5866\s5879.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n5866\s5879.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n5866\s5879.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n5866\s5879.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/1048-62-0x000007FEF31E0000-0x000007FEF3C03000-memory.dmp

    Filesize

    10.1MB

  • memory/1048-63-0x000007FEF2140000-0x000007FEF31D6000-memory.dmp

    Filesize

    16.6MB

  • memory/1048-64-0x000007FEFB651000-0x000007FEFB653000-memory.dmp

    Filesize

    8KB

  • memory/1048-65-0x0000000001F76000-0x0000000001F95000-memory.dmp

    Filesize

    124KB

  • memory/1048-66-0x000007FEED760000-0x000007FEEE5EF000-memory.dmp

    Filesize

    14.6MB

  • memory/1048-67-0x000007FEF17A0000-0x000007FEF1A8A000-memory.dmp

    Filesize

    2.9MB

  • memory/1048-68-0x0000000001F76000-0x0000000001F95000-memory.dmp

    Filesize

    124KB

  • memory/2024-54-0x00000000753F1000-0x00000000753F3000-memory.dmp

    Filesize

    8KB