Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    08-03-2023 02:07

General

  • Target

    88ab07c52703743422b32c40089601ed.exe

  • Size

    72KB

  • MD5

    88ab07c52703743422b32c40089601ed

  • SHA1

    5c3bf16f3db88862a66e99912e6fb82e25ce3a10

  • SHA256

    790ec551f63688e1dbeffa8e41660dca92a554e5960f8c8095b92b0b7e78fc99

  • SHA512

    bf7dc6ba3c378c226bb2f9226219c2267f21c605c7ca28b1ba13f03e248e0a138f307ea4f3d5c84cb5f23af034094968fee1536b9e93bf24bfe70545f9ec68df

  • SSDEEP

    192:G2pN99ZwLa9l7X4nuInO+++++++++++++++++++++++++++++++++++++++++++j:Gsv9WL4xmhZilZq4KCm+ApH1ThO/Ff

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

pradeepprabhu705.hopto.org:312

Attributes
  • communication_password

    827ccb0eea8a706c4c34a16891f84e7b

  • tor_process

    tor

Signatures

  • BitRAT

    BitRAT is a remote access tool written in C++ and uses leaked source code from other families.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\88ab07c52703743422b32c40089601ed.exe
    "C:\Users\Admin\AppData\Local\Temp\88ab07c52703743422b32c40089601ed.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1052
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMQAyADIA
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1088
    • C:\Users\Admin\AppData\Local\Temp\88ab07c52703743422b32c40089601ed.exe
      C:\Users\Admin\AppData\Local\Temp\88ab07c52703743422b32c40089601ed.exe purecrypter.exe
      2⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1020

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1020-84-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/1020-70-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/1020-96-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/1020-75-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/1020-74-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/1020-76-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1020-94-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/1020-93-0x0000000000100000-0x000000000010A000-memory.dmp

    Filesize

    40KB

  • memory/1020-92-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/1020-91-0x0000000000100000-0x000000000010A000-memory.dmp

    Filesize

    40KB

  • memory/1020-90-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/1020-87-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/1020-69-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/1020-71-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/1020-72-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/1020-73-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/1020-95-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/1020-89-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/1020-88-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/1020-77-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/1020-79-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/1020-80-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/1020-82-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/1020-86-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/1052-57-0x0000000005250000-0x00000000052E2000-memory.dmp

    Filesize

    584KB

  • memory/1052-54-0x00000000008D0000-0x00000000008E8000-memory.dmp

    Filesize

    96KB

  • memory/1052-55-0x0000000004620000-0x0000000004660000-memory.dmp

    Filesize

    256KB

  • memory/1052-63-0x0000000004620000-0x0000000004660000-memory.dmp

    Filesize

    256KB

  • memory/1052-56-0x0000000005BB0000-0x0000000005DE2000-memory.dmp

    Filesize

    2.2MB

  • memory/1088-62-0x0000000002600000-0x0000000002640000-memory.dmp

    Filesize

    256KB

  • memory/1088-66-0x0000000002600000-0x0000000002640000-memory.dmp

    Filesize

    256KB

  • memory/1088-65-0x0000000002600000-0x0000000002640000-memory.dmp

    Filesize

    256KB

  • memory/1088-64-0x0000000002600000-0x0000000002640000-memory.dmp

    Filesize

    256KB

  • memory/1088-61-0x0000000002600000-0x0000000002640000-memory.dmp

    Filesize

    256KB

  • memory/1088-60-0x0000000002600000-0x0000000002640000-memory.dmp

    Filesize

    256KB