Analysis

  • max time kernel
    142s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/03/2024, 06:08

General

  • Target

    bddc7c4c3c5f3fe386774e6535ea6cf4.exe

  • Size

    512KB

  • MD5

    bddc7c4c3c5f3fe386774e6535ea6cf4

  • SHA1

    0b8cc91974fd71c7900014813ed43f6cada50d48

  • SHA256

    05aa1349d9ebd7ff48477cc51c7c8806259856eb55c0e635298326d4993a9aa9

  • SHA512

    3b174c8589b05e82bd65642ec7c21f9b56f76e670d03a42ac4a118faa6d231adc9a7bfd642d3c299fd3f850422ad69585167698f225d5067c78016a88f06ea1e

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4y:0+h9OY70z+warul3E4y

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 3 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 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bddc7c4c3c5f3fe386774e6535ea6cf4.exe
    "C:\Users\Admin\AppData\Local\Temp\bddc7c4c3c5f3fe386774e6535ea6cf4.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks computer location settings
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4800
    • C:\Users\Admin\AppData\Local\Temp\n6894\s6894.exe
      "C:\Users\Admin\AppData\Local\Temp\n6894\s6894.exe" 1260b75a3697eb95fb7f99f2K47ZregV8rA1xM24Uf9GSEyhmM9FW6fvh8GUzxXJoOWA9XxumCwxHEcYgp+IJa/F37P38TmFWv3xcEisTSyLm1JW6imYTcFUi+2G6c2O5Lswsw8hGz7gdywC764D4r7f2uqymg64JHMY8QJso/Hsg8yx /v "C:\Users\Admin\AppData\Local\Temp\bddc7c4c3c5f3fe386774e6535ea6cf4.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2412

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n6894\s6894.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/2412-12-0x00007FFA6F530000-0x00007FFA6FED1000-memory.dmp

    Filesize

    9.6MB

  • memory/2412-13-0x0000000001160000-0x0000000001170000-memory.dmp

    Filesize

    64KB

  • memory/2412-27-0x0000000001150000-0x0000000001162000-memory.dmp

    Filesize

    72KB

  • memory/2412-30-0x000000001C740000-0x000000001CC0E000-memory.dmp

    Filesize

    4.8MB

  • memory/2412-31-0x000000001CC10000-0x000000001CCAC000-memory.dmp

    Filesize

    624KB

  • memory/2412-32-0x000000001CD70000-0x000000001CDD2000-memory.dmp

    Filesize

    392KB

  • memory/2412-33-0x0000000001160000-0x0000000001170000-memory.dmp

    Filesize

    64KB

  • memory/2412-34-0x000000001C010000-0x000000001C018000-memory.dmp

    Filesize

    32KB

  • memory/2412-35-0x0000000001160000-0x0000000001170000-memory.dmp

    Filesize

    64KB

  • memory/2412-36-0x0000000001160000-0x0000000001170000-memory.dmp

    Filesize

    64KB

  • memory/2412-37-0x0000000001160000-0x0000000001170000-memory.dmp

    Filesize

    64KB

  • memory/2412-38-0x0000000001160000-0x0000000001170000-memory.dmp

    Filesize

    64KB

  • memory/2412-39-0x00000000208E0000-0x0000000020DEE000-memory.dmp

    Filesize

    5.1MB

  • memory/2412-40-0x000000001E3D0000-0x000000001E50C000-memory.dmp

    Filesize

    1.2MB

  • memory/2412-42-0x00007FFA6F530000-0x00007FFA6FED1000-memory.dmp

    Filesize

    9.6MB