Analysis

  • max time kernel
    47s
  • max time network
    111s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    28-11-2022 06:48

General

  • Target

    e5c1063b8e2468a024335ab006d11d27ba6044a0360d2dc259af205a02192d55.exe

  • Size

    512KB

  • MD5

    b5f4e931de8160eba0926a6fd847d00a

  • SHA1

    ec319891449970ccbf19cb78012b8b34a1b74881

  • SHA256

    e5c1063b8e2468a024335ab006d11d27ba6044a0360d2dc259af205a02192d55

  • SHA512

    b3ef1fc93fe737ef767dd5bd6eb0d4d1cdd758db527c8190c9662d9036d18f2c0fef3af5f61b1b1b92147168b718053cac43246eb6ea79e690595fa1ed4e50d8

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4Q:0+h9OY70z+warul3E4Q

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\e5c1063b8e2468a024335ab006d11d27ba6044a0360d2dc259af205a02192d55.exe
    "C:\Users\Admin\AppData\Local\Temp\e5c1063b8e2468a024335ab006d11d27ba6044a0360d2dc259af205a02192d55.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:2016
    • C:\Users\Admin\AppData\Local\Temp\n3302\s3302.exe
      "C:\Users\Admin\AppData\Local\Temp\n3302\s3302.exe" 57606ad5d2c1fb62edf38fea+fa/4YunOCVCxqT6QMfZX8ZeqNZ2qvGT2eT+BUJFI2H7m7jwVm53zaLx4j6B5f7mdcTiwhjmCI2oPIU5Xc6Frf0lE5v3Q6aW2r6Cmre1++JxHLaAHWJHdv2EVBX8aV3eJjaNkGhncXLyZWN/RdAVWK9Q /v "C:\Users\Admin\AppData\Local\Temp\e5c1063b8e2468a024335ab006d11d27ba6044a0360d2dc259af205a02192d55.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1344

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n3302\s3302.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n3302\s3302.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n3302\s3302.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n3302\s3302.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n3302\s3302.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n3302\s3302.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/1344-62-0x000007FEF4650000-0x000007FEF5073000-memory.dmp

    Filesize

    10.1MB

  • memory/1344-63-0x000007FEF35B0000-0x000007FEF4646000-memory.dmp

    Filesize

    16.6MB

  • memory/1344-64-0x000007FEFC011000-0x000007FEFC013000-memory.dmp

    Filesize

    8KB

  • memory/1344-65-0x0000000001E96000-0x0000000001EB5000-memory.dmp

    Filesize

    124KB

  • memory/1344-66-0x000007FEEDC20000-0x000007FEEEAAF000-memory.dmp

    Filesize

    14.6MB

  • memory/1344-67-0x000007FEF2AD0000-0x000007FEF2DBA000-memory.dmp

    Filesize

    2.9MB

  • memory/1344-68-0x0000000001E96000-0x0000000001EB5000-memory.dmp

    Filesize

    124KB

  • memory/1344-69-0x0000000001E96000-0x0000000001EB5000-memory.dmp

    Filesize

    124KB

  • memory/2016-54-0x00000000757A1000-0x00000000757A3000-memory.dmp

    Filesize

    8KB