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Analysis

  • max time kernel
    140s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    23/09/2023, 02:27

General

  • Target

    1cdcc380f5ab5d8be09354cfa3f42be444ec2094373d7c04e8ff4e38d678817a.exe

  • Size

    5.1MB

  • MD5

    4f768f88f011c8ecde70fcce218c8db2

  • SHA1

    03aeba45a219f2853b0164b66f0c9d2e437ec090

  • SHA256

    1cdcc380f5ab5d8be09354cfa3f42be444ec2094373d7c04e8ff4e38d678817a

  • SHA512

    55edf8ab2e1dd19d9883835c0080bfcfcb2cdb58de0c5cd3803d62798acc0aa6d3543e0f0036d60fb6eabd1c4bb3e86e91711bcc436b9977010ee6f0c21704fe

  • SSDEEP

    98304:IcscinuEeeDZ2F5oGmtVXPgZqzBoAiXBcVd4MRCRVzQ/hfBVzu4xEjGm7KGOXc61:LicKHAQGau5i/C4xbKA1

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1cdcc380f5ab5d8be09354cfa3f42be444ec2094373d7c04e8ff4e38d678817a.exe
    "C:\Users\Admin\AppData\Local\Temp\1cdcc380f5ab5d8be09354cfa3f42be444ec2094373d7c04e8ff4e38d678817a.exe"
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:1384

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\tk\xxxx.dll

    Filesize

    3.3MB

    MD5

    a8e87a4fa9b481369f9d76b26d29932d

    SHA1

    bfb4759ab2fbb27218f40d5e70ab1965b8bb5ed6

    SHA256

    c4edf3110f62775cda07adfd5883195ddf6be6daee889713d441cd1bdb8a6179

    SHA512

    9723250481af4f1a1dafc8422e33fab06048deae03ca4f8e5301fb32b59ff94c103ca96f96e4d11dd24a3660bfb9b7ac327de64dc1582b05095830c6f50a3f6d

  • memory/1384-20-0x0000000002F20000-0x0000000002F21000-memory.dmp

    Filesize

    4KB

  • memory/1384-14-0x0000000003B50000-0x000000000402E000-memory.dmp

    Filesize

    4.9MB

  • memory/1384-7-0x0000000000980000-0x0000000000981000-memory.dmp

    Filesize

    4KB

  • memory/1384-10-0x00000000770B0000-0x0000000077230000-memory.dmp

    Filesize

    1.5MB

  • memory/1384-11-0x0000000000980000-0x0000000000981000-memory.dmp

    Filesize

    4KB

  • memory/1384-9-0x00000000770CF000-0x00000000770D0000-memory.dmp

    Filesize

    4KB

  • memory/1384-6-0x0000000000980000-0x0000000000981000-memory.dmp

    Filesize

    4KB

  • memory/1384-15-0x0000000004030000-0x000000000484B000-memory.dmp

    Filesize

    8.1MB

  • memory/1384-16-0x00000000048A0000-0x000000000519A000-memory.dmp

    Filesize

    9.0MB

  • memory/1384-17-0x0000000002410000-0x0000000002412000-memory.dmp

    Filesize

    8KB

  • memory/1384-8-0x000000006FFF0000-0x0000000070000000-memory.dmp

    Filesize

    64KB

  • memory/1384-18-0x0000000002370000-0x0000000002386000-memory.dmp

    Filesize

    88KB

  • memory/1384-26-0x00000000048A0000-0x000000000519A000-memory.dmp

    Filesize

    9.0MB

  • memory/1384-21-0x0000000004170000-0x000000000417A000-memory.dmp

    Filesize

    40KB

  • memory/1384-23-0x0000000003B50000-0x000000000402E000-memory.dmp

    Filesize

    4.9MB

  • memory/1384-24-0x0000000004030000-0x000000000484B000-memory.dmp

    Filesize

    8.1MB

  • memory/1384-22-0x0000000004170000-0x000000000417A000-memory.dmp

    Filesize

    40KB

  • memory/1384-27-0x0000000002410000-0x0000000002412000-memory.dmp

    Filesize

    8KB

  • memory/1384-28-0x0000000002370000-0x0000000002386000-memory.dmp

    Filesize

    88KB

  • memory/1384-29-0x0000000004170000-0x000000000417A000-memory.dmp

    Filesize

    40KB

  • memory/1384-30-0x0000000004170000-0x000000000417A000-memory.dmp

    Filesize

    40KB

  • memory/1384-33-0x0000000003B50000-0x000000000402E000-memory.dmp

    Filesize

    4.9MB

  • memory/1384-40-0x0000000003B50000-0x000000000402E000-memory.dmp

    Filesize

    4.9MB

  • memory/1384-43-0x0000000003B50000-0x000000000402E000-memory.dmp

    Filesize

    4.9MB