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Analysis

  • max time kernel
    230s
  • max time network
    336s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 21:37

General

  • Target

    8722938d86b0647c1b80a210a07094b74eb73248722aebfec4e2c4e6f229a63d.exe

  • Size

    512KB

  • MD5

    72f1dc958f5276c7b75fe0e2a62d4cb7

  • SHA1

    3363772a8dcd62e41e1b0ebc15b362fee07abd1d

  • SHA256

    8722938d86b0647c1b80a210a07094b74eb73248722aebfec4e2c4e6f229a63d

  • SHA512

    90a7b8e976073d1b8d73fbf3dd71082cab0f186af2d341821cf93db776f6309ad708b0778daf55d03fdc99a5524e78d5486a7a80be294825199d14030c31d0bd

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4p:0+h9OY70z+warul3E4p

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\8722938d86b0647c1b80a210a07094b74eb73248722aebfec4e2c4e6f229a63d.exe
    "C:\Users\Admin\AppData\Local\Temp\8722938d86b0647c1b80a210a07094b74eb73248722aebfec4e2c4e6f229a63d.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:612
    • C:\Users\Admin\AppData\Local\Temp\n2611\s2611.exe
      "C:\Users\Admin\AppData\Local\Temp\n2611\s2611.exe" 8e7bc4759a573a05e013e285Kc8Tj1dUMQMVa39lJQZPFvRKCXL1F+sqUPaoCfAvr9sYPOSehRzSEXqudfLdl5wkJpxgGpOo0VOhaGS26OAlr6MWgkm6V5b/g8dJKsEe46d9SVcWZgOAyMQi2QZeCLJJcLPwJ2LF6PLdHBQ/STiVbHMR /v "C:\Users\Admin\AppData\Local\Temp\8722938d86b0647c1b80a210a07094b74eb73248722aebfec4e2c4e6f229a63d.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1168

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n2611\s2611.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n2611\s2611.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2611\s2611.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2611\s2611.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2611\s2611.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2611\s2611.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/612-54-0x00000000767C1000-0x00000000767C3000-memory.dmp

    Filesize

    8KB

  • memory/1168-62-0x000007FEF3BC0000-0x000007FEF45E3000-memory.dmp

    Filesize

    10.1MB

  • memory/1168-63-0x000007FEF28E0000-0x000007FEF3976000-memory.dmp

    Filesize

    16.6MB

  • memory/1168-64-0x000007FEFBEE1000-0x000007FEFBEE3000-memory.dmp

    Filesize

    8KB

  • memory/1168-65-0x0000000000BE6000-0x0000000000C05000-memory.dmp

    Filesize

    124KB

  • memory/1168-66-0x000007FEEDDC0000-0x000007FEEEC4F000-memory.dmp

    Filesize

    14.6MB

  • memory/1168-67-0x0000000000BE6000-0x0000000000C05000-memory.dmp

    Filesize

    124KB

  • memory/1168-68-0x000007FEEF720000-0x000007FEEFA0A000-memory.dmp

    Filesize

    2.9MB

  • memory/1168-69-0x0000000000BE6000-0x0000000000C05000-memory.dmp

    Filesize

    124KB