Analysis

  • max time kernel
    143s
  • max time network
    52s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    04-12-2022 07:07

General

  • Target

    ba028a926d29c6e6099385b893cc31fc22c42bfd55cffde514397b648bbfa074.exe

  • Size

    544KB

  • MD5

    29822b39493b8f61502166c43df96d9c

  • SHA1

    0c0bc4af21d59af00a6a7f991b3f97bfeb624ba7

  • SHA256

    ba028a926d29c6e6099385b893cc31fc22c42bfd55cffde514397b648bbfa074

  • SHA512

    63b1d7dfbad8a81c42d3629deba18e0c5a0df289dd14cae442da6feddaba9b14dc857cfeb6e761572754eb9ff788c1a4a968b3c8dfcf4d4146b247e9b75a7066

  • SSDEEP

    12288:YBMmKGnhDT+JlCdc9ecOdQv/8Gxj7zShD0dty2S:6MmnDC+dgendIxFNb

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • UPX packed file 6 IoCs

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

  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 8 IoCs
  • AutoIT Executable 2 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ba028a926d29c6e6099385b893cc31fc22c42bfd55cffde514397b648bbfa074.exe
    "C:\Users\Admin\AppData\Local\Temp\ba028a926d29c6e6099385b893cc31fc22c42bfd55cffde514397b648bbfa074.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2000
    • C:\Users\Admin\AppData\Local\Temp\ba028a926d29c6e6099385b893cc31fc22c42bfd55cffde514397b648bbfa074.exe
      "C:\Users\Admin\AppData\Local\Temp\ba028a926d29c6e6099385b893cc31fc22c42bfd55cffde514397b648bbfa074.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:916
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram program = C:\Users\Admin\AppData\Roaming\lsass.exename = Nero mode = ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:1712
      • C:\Users\Admin\AppData\Roaming\lsass.exe
        "C:\Users\Admin\AppData\Roaming\lsass.exe" /d C:\Users\Admin\AppData\Local\Temp\ba028a926d29c6e6099385b893cc31fc22c42bfd55cffde514397b648bbfa074.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1416
        • C:\Users\Admin\AppData\Roaming\lsass.exe
          "C:\Users\Admin\AppData\Roaming\lsass.exe"
          4⤵
          • Modifies WinLogon for persistence
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of SetWindowsHookEx
          PID:1932

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\lsass.exe

    Filesize

    544KB

    MD5

    c53a8b7ec68db3d859b8ad2a39cf7d98

    SHA1

    38d6a8d24dc316dfb184d88a7e6cef6480a89ed1

    SHA256

    2e7f807e3d0b881e45416a822edabbd4ea4dc8499b2541461f748271953aeb67

    SHA512

    5c59f9ea1136d5e764fa82407fa93c425b1070dbb6f4ab19395b274b7df44c62661be562c0e0ab6af9c675b6874b82fe0fb8601c543609b6c32669e395f79b5b

  • C:\Users\Admin\AppData\Roaming\lsass.exe

    Filesize

    544KB

    MD5

    c53a8b7ec68db3d859b8ad2a39cf7d98

    SHA1

    38d6a8d24dc316dfb184d88a7e6cef6480a89ed1

    SHA256

    2e7f807e3d0b881e45416a822edabbd4ea4dc8499b2541461f748271953aeb67

    SHA512

    5c59f9ea1136d5e764fa82407fa93c425b1070dbb6f4ab19395b274b7df44c62661be562c0e0ab6af9c675b6874b82fe0fb8601c543609b6c32669e395f79b5b

  • C:\Users\Admin\AppData\Roaming\lsass.exe

    Filesize

    544KB

    MD5

    c53a8b7ec68db3d859b8ad2a39cf7d98

    SHA1

    38d6a8d24dc316dfb184d88a7e6cef6480a89ed1

    SHA256

    2e7f807e3d0b881e45416a822edabbd4ea4dc8499b2541461f748271953aeb67

    SHA512

    5c59f9ea1136d5e764fa82407fa93c425b1070dbb6f4ab19395b274b7df44c62661be562c0e0ab6af9c675b6874b82fe0fb8601c543609b6c32669e395f79b5b

  • \Users\Admin\AppData\Roaming\lsass.exe

    Filesize

    544KB

    MD5

    c53a8b7ec68db3d859b8ad2a39cf7d98

    SHA1

    38d6a8d24dc316dfb184d88a7e6cef6480a89ed1

    SHA256

    2e7f807e3d0b881e45416a822edabbd4ea4dc8499b2541461f748271953aeb67

    SHA512

    5c59f9ea1136d5e764fa82407fa93c425b1070dbb6f4ab19395b274b7df44c62661be562c0e0ab6af9c675b6874b82fe0fb8601c543609b6c32669e395f79b5b

  • memory/916-55-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

  • memory/916-60-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

  • memory/916-73-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

  • memory/916-56-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

  • memory/916-58-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

  • memory/1416-83-0x0000000000400000-0x00000000004B6000-memory.dmp

    Filesize

    728KB

  • memory/1932-88-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

  • memory/1932-89-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

  • memory/2000-54-0x0000000075DF1000-0x0000000075DF3000-memory.dmp

    Filesize

    8KB

  • memory/2000-63-0x0000000000400000-0x00000000004B6000-memory.dmp

    Filesize

    728KB