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Analysis

  • max time kernel
    76s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    28/11/2022, 01:11

General

  • Target

    c83323114ea1296ce0ad0edcb772128c3d1d68a9e514a2f78de79de09be5d77f.exe

  • Size

    512KB

  • MD5

    24505ea9c9e5298302123b68ec3d14ad

  • SHA1

    16141c50776899f6e106a1ac472bd9c6496814f0

  • SHA256

    c83323114ea1296ce0ad0edcb772128c3d1d68a9e514a2f78de79de09be5d77f

  • SHA512

    1485e65587752b6ccb18735e160d2b8322bf6cd0ae79932f0f29f2379412100f7919a931f6ad58f6bf1c2e7b26fe00162529b368975d833242c0d0f783db4b10

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4U:0+h9OY70z+warul3E4U

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\c83323114ea1296ce0ad0edcb772128c3d1d68a9e514a2f78de79de09be5d77f.exe
    "C:\Users\Admin\AppData\Local\Temp\c83323114ea1296ce0ad0edcb772128c3d1d68a9e514a2f78de79de09be5d77f.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:1940
    • C:\Users\Admin\AppData\Local\Temp\n48\s48.exe
      "C:\Users\Admin\AppData\Local\Temp\n48\s48.exe" 03f1b6adb498d204652e3667i3z1mITpVz00TKyG4Sm+m8Ll6BzsBJpTvzOKcoeBLX6rkfJIYMY8H/asI8xyoKQz90WX+6niqIl/dA9HYnIW01t0vGY+0PgiMnaw3V//+QEIJmUX2j4RqFlM3AjFdfj/A39EsJdX/jbdFLgm1YZCvpnc /v "C:\Users\Admin\AppData\Local\Temp\c83323114ea1296ce0ad0edcb772128c3d1d68a9e514a2f78de79de09be5d77f.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:964

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n48\s48.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n48\s48.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n48\s48.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n48\s48.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n48\s48.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n48\s48.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/964-62-0x000007FEF4480000-0x000007FEF4EA3000-memory.dmp

    Filesize

    10.1MB

  • memory/964-63-0x000007FEF31A0000-0x000007FEF4236000-memory.dmp

    Filesize

    16.6MB

  • memory/964-64-0x000007FEFBF71000-0x000007FEFBF73000-memory.dmp

    Filesize

    8KB

  • memory/964-65-0x0000000002096000-0x00000000020B5000-memory.dmp

    Filesize

    124KB

  • memory/964-66-0x000007FEEEF10000-0x000007FEEFD9F000-memory.dmp

    Filesize

    14.6MB

  • memory/964-67-0x0000000002096000-0x00000000020B5000-memory.dmp

    Filesize

    124KB

  • memory/964-68-0x000007FEEEC20000-0x000007FEEEF0A000-memory.dmp

    Filesize

    2.9MB

  • memory/964-69-0x0000000002096000-0x00000000020B5000-memory.dmp

    Filesize

    124KB

  • memory/1940-54-0x0000000075B41000-0x0000000075B43000-memory.dmp

    Filesize

    8KB