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Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    26/12/2023, 14:11

General

  • Target

    74b0867c8fc3815f610799cf461155a5.exe

  • Size

    512KB

  • MD5

    74b0867c8fc3815f610799cf461155a5

  • SHA1

    97bb34fdc3344d7cbfd9c6464b2c90e04aa40ef7

  • SHA256

    21b723ad3dce7aed63916e1e1f069909fda7a5fbb6bd5467f376f9cc4eb4f515

  • SHA512

    5858169330910eaa381dd70c668e583ef2845b9821b201a403d11deec4ffbdbf6c38e993e8f8e801ee88240eabe79a7fde9b1207310d404f302ca954e2b7a787

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E49:0+h9OY70z+warul3E49

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).

  • 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\74b0867c8fc3815f610799cf461155a5.exe
    "C:\Users\Admin\AppData\Local\Temp\74b0867c8fc3815f610799cf461155a5.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:2220
    • C:\Users\Admin\AppData\Local\Temp\n6024\s6024.exe
      "C:\Users\Admin\AppData\Local\Temp\n6024\s6024.exe" 3e71819ce5a3874a32cda921hjy9dUZCBuY+TzfsaIiJJE5DksjMMuacSkaTtsxhbOFI0RLmK1AGzD0Uoj1SBTNtSi0ywKN4X4SnIzC6oFVjSFmCTRsoGu29Aw3tHIODcAtr5oIs08evAMVY1D7QWzL5yyhSW+7UvNX3ylmqOvkhtetR /v "C:\Users\Admin\AppData\Local\Temp\74b0867c8fc3815f610799cf461155a5.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2656

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar154A.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • \Users\Admin\AppData\Local\Temp\n6024\s6024.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/2656-78-0x0000000001F80000-0x0000000002000000-memory.dmp

    Filesize

    512KB

  • memory/2656-16-0x0000000001F80000-0x0000000002000000-memory.dmp

    Filesize

    512KB

  • memory/2656-77-0x00000000001E0000-0x00000000001F2000-memory.dmp

    Filesize

    72KB

  • memory/2656-15-0x000007FEF55E0000-0x000007FEF5F7D000-memory.dmp

    Filesize

    9.6MB

  • memory/2656-79-0x0000000001F80000-0x0000000002000000-memory.dmp

    Filesize

    512KB

  • memory/2656-80-0x0000000001F80000-0x0000000002000000-memory.dmp

    Filesize

    512KB

  • memory/2656-82-0x0000000001F80000-0x0000000002000000-memory.dmp

    Filesize

    512KB

  • memory/2656-81-0x0000000001F80000-0x0000000002000000-memory.dmp

    Filesize

    512KB

  • memory/2656-84-0x0000000001F80000-0x0000000002000000-memory.dmp

    Filesize

    512KB

  • memory/2656-83-0x000007FEF55E0000-0x000007FEF5F7D000-memory.dmp

    Filesize

    9.6MB

  • memory/2656-85-0x000007FEF55E0000-0x000007FEF5F7D000-memory.dmp

    Filesize

    9.6MB