Analysis

  • max time kernel
    133s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/12/2023, 03:10

General

  • Target
    0c902a46294f93bf642e823e19b3ae82.exe
  • Size 3.8MB
  • Sample231230-dn95lshfdj
  • SHA256 3b6938f15c45b86dfa3196bf07952b81b1c0769c6a970834d9da26feba424cd1
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10

Malware Config

Signatures

  • Drops file in Drivers directory 2 IoCs
  • UPX packed file 3 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 7 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Program crash 1 IoCs
  • NTFS ADS 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0c902a46294f93bf642e823e19b3ae82.exe
    "C:\Users\Admin\AppData\Local\Temp\0c902a46294f93bf642e823e19b3ae82.exe"
    1⤵
    • Drops file in Drivers directory
    • Adds Run key to start application
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • NTFS ADS
    • Suspicious behavior: EnumeratesProcesses
    PID:4904
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4904 -s 4648
      2⤵
      • Program crash
      PID:2400
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4904 -ip 4904
    1⤵
      PID:4816

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          wkw4D2.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\wkw4D2.tmp
          • Size 65KB
          • SHA256 dd774488059a479bcb4922263fe24ece974ca9c3331fee5dc6e28437379edb30
          • MD5 SHA1 SHA512 SSDEEP

          memory/4904-0-0x0000000000400000-0x0000000000450000-memory.dmp

          memory/4904-763-0x0000000000400000-0x0000000000450000-memory.dmp