Analysis

  • max time kernel
    93s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/11/2022, 10:00

General

  • Target

    4f9b0d6ec2934ea9a34fa1a422e40fe6ac01d1e34fbaca1835c400a1de5c25fd.exe

  • Size

    512KB

  • MD5

    3474deaf2774c05fb2cba68c1d2e1e00

  • SHA1

    b622cc43945d870b96ef9222579944d3e400a800

  • SHA256

    4f9b0d6ec2934ea9a34fa1a422e40fe6ac01d1e34fbaca1835c400a1de5c25fd

  • SHA512

    dfa9fa4e884ccc8be15ae93a16928e1589e466023c45962f8c55a6cfa8f5839e471a62dbfe401cada3f245f9c24dfc36b815c757805970521aa49c58ffab8e75

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E40:0+h9OY70z+warul3E40

Score
9/10

Malware Config

Signatures

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

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

  • 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). Likely ransomware behaviour.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 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\4f9b0d6ec2934ea9a34fa1a422e40fe6ac01d1e34fbaca1835c400a1de5c25fd.exe
    "C:\Users\Admin\AppData\Local\Temp\4f9b0d6ec2934ea9a34fa1a422e40fe6ac01d1e34fbaca1835c400a1de5c25fd.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:4972
    • C:\Users\Admin\AppData\Local\Temp\n9706\s9706.exe
      "C:\Users\Admin\AppData\Local\Temp\n9706\s9706.exe" 536729bcf11b7a04a4999060kx+YPGjPYcCSTnnlCfwAJwF5UnG1bSovHXs52bCBAUn+VbVih3kpGqzRhHp7GDbXZSd5rJYIlHR+Yxy76MF881AwRfJeuPiSCuJm3PtHjzXrj2Ty8cb8U0rsbQ/27Z3dMRho1x2tmwE0wsoUk0CLfZrl /v "C:\Users\Admin\AppData\Local\Temp\4f9b0d6ec2934ea9a34fa1a422e40fe6ac01d1e34fbaca1835c400a1de5c25fd.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:4824

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n9706\s9706.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n9706\s9706.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/4824-136-0x0000000000B0A000-0x0000000000B0F000-memory.dmp

    Filesize

    20KB

  • memory/4824-137-0x0000000000B0A000-0x0000000000B0F000-memory.dmp

    Filesize

    20KB

  • memory/4824-138-0x0000000000B0A000-0x0000000000B0F000-memory.dmp

    Filesize

    20KB