Analysis

  • max time kernel
    150s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    26-11-2022 18:02

General

  • Target

    12683060f2e173014a172cebbe5f67354a8e2cd8f9a5b1197a1268d9c60fa77c.exe

  • Size

    591KB

  • MD5

    12c1fc5af99577e0569bc732dd486d1a

  • SHA1

    d9dfdbe862677a76a5864212332e2fc74f30c41a

  • SHA256

    12683060f2e173014a172cebbe5f67354a8e2cd8f9a5b1197a1268d9c60fa77c

  • SHA512

    1a1e763cc0515b4da6a618d99c3690956419ea3ce6b4410f5ac7c503b9c437ce82b4a4394e2522d4f53f29eeb53850b402460f5a129899f92274d7cdaf54dfee

  • SSDEEP

    12288:1IUvw9jCD23JZQOf2ii/+b13iStZgvmwdbPv2xF:aUvYjCa3QOOiMU13iSIdRve

Malware Config

Signatures

  • Luminosity

    Luminosity is a RAT family that was on sale, while claiming to be a system administration utility.

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • 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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\12683060f2e173014a172cebbe5f67354a8e2cd8f9a5b1197a1268d9c60fa77c.exe
    "C:\Users\Admin\AppData\Local\Temp\12683060f2e173014a172cebbe5f67354a8e2cd8f9a5b1197a1268d9c60fa77c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:864
    • C:\Users\Admin\AppData\Local\Temp\12683060f2e173014a172cebbe5f67354a8e2cd8f9a5b1197a1268d9c60fa77c.exe
      "C:\Users\Admin\AppData\Local\Temp\12683060f2e173014a172cebbe5f67354a8e2cd8f9a5b1197a1268d9c60fa77c.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:944
      • C:\ProgramData\222121\sysmon.exe
        "C:\ProgramData\222121\sysmon.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1724
        • C:\ProgramData\222121\sysmon.exe
          "C:\ProgramData\222121\sysmon.exe"
          4⤵
          • Executes dropped EXE
          PID:1676
        • C:\ProgramData\222121\sysmon.exe
          "C:\ProgramData\222121\sysmon.exe"
          4⤵
          • Modifies WinLogon for persistence
          • Executes dropped EXE
          • Adds Run key to start application
          • Drops file in System32 directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:1660

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\ProgramData\222121\sysmon.exe

    Filesize

    591KB

    MD5

    12c1fc5af99577e0569bc732dd486d1a

    SHA1

    d9dfdbe862677a76a5864212332e2fc74f30c41a

    SHA256

    12683060f2e173014a172cebbe5f67354a8e2cd8f9a5b1197a1268d9c60fa77c

    SHA512

    1a1e763cc0515b4da6a618d99c3690956419ea3ce6b4410f5ac7c503b9c437ce82b4a4394e2522d4f53f29eeb53850b402460f5a129899f92274d7cdaf54dfee

  • C:\ProgramData\222121\sysmon.exe

    Filesize

    591KB

    MD5

    12c1fc5af99577e0569bc732dd486d1a

    SHA1

    d9dfdbe862677a76a5864212332e2fc74f30c41a

    SHA256

    12683060f2e173014a172cebbe5f67354a8e2cd8f9a5b1197a1268d9c60fa77c

    SHA512

    1a1e763cc0515b4da6a618d99c3690956419ea3ce6b4410f5ac7c503b9c437ce82b4a4394e2522d4f53f29eeb53850b402460f5a129899f92274d7cdaf54dfee

  • C:\ProgramData\222121\sysmon.exe

    Filesize

    591KB

    MD5

    12c1fc5af99577e0569bc732dd486d1a

    SHA1

    d9dfdbe862677a76a5864212332e2fc74f30c41a

    SHA256

    12683060f2e173014a172cebbe5f67354a8e2cd8f9a5b1197a1268d9c60fa77c

    SHA512

    1a1e763cc0515b4da6a618d99c3690956419ea3ce6b4410f5ac7c503b9c437ce82b4a4394e2522d4f53f29eeb53850b402460f5a129899f92274d7cdaf54dfee

  • C:\ProgramData\222121\sysmon.exe

    Filesize

    591KB

    MD5

    12c1fc5af99577e0569bc732dd486d1a

    SHA1

    d9dfdbe862677a76a5864212332e2fc74f30c41a

    SHA256

    12683060f2e173014a172cebbe5f67354a8e2cd8f9a5b1197a1268d9c60fa77c

    SHA512

    1a1e763cc0515b4da6a618d99c3690956419ea3ce6b4410f5ac7c503b9c437ce82b4a4394e2522d4f53f29eeb53850b402460f5a129899f92274d7cdaf54dfee

  • \ProgramData\222121\sysmon.exe

    Filesize

    591KB

    MD5

    12c1fc5af99577e0569bc732dd486d1a

    SHA1

    d9dfdbe862677a76a5864212332e2fc74f30c41a

    SHA256

    12683060f2e173014a172cebbe5f67354a8e2cd8f9a5b1197a1268d9c60fa77c

    SHA512

    1a1e763cc0515b4da6a618d99c3690956419ea3ce6b4410f5ac7c503b9c437ce82b4a4394e2522d4f53f29eeb53850b402460f5a129899f92274d7cdaf54dfee

  • \ProgramData\222121\sysmon.exe

    Filesize

    591KB

    MD5

    12c1fc5af99577e0569bc732dd486d1a

    SHA1

    d9dfdbe862677a76a5864212332e2fc74f30c41a

    SHA256

    12683060f2e173014a172cebbe5f67354a8e2cd8f9a5b1197a1268d9c60fa77c

    SHA512

    1a1e763cc0515b4da6a618d99c3690956419ea3ce6b4410f5ac7c503b9c437ce82b4a4394e2522d4f53f29eeb53850b402460f5a129899f92274d7cdaf54dfee

  • memory/864-55-0x00000000742C0000-0x000000007486B000-memory.dmp

    Filesize

    5.7MB

  • memory/864-78-0x00000000742C0000-0x000000007486B000-memory.dmp

    Filesize

    5.7MB

  • memory/864-54-0x0000000075141000-0x0000000075143000-memory.dmp

    Filesize

    8KB

  • memory/944-56-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/944-101-0x00000000742C0000-0x000000007486B000-memory.dmp

    Filesize

    5.7MB

  • memory/944-69-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/944-67-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/944-63-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/944-59-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/944-99-0x00000000742C0000-0x000000007486B000-memory.dmp

    Filesize

    5.7MB

  • memory/944-57-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/944-71-0x00000000742C0000-0x000000007486B000-memory.dmp

    Filesize

    5.7MB

  • memory/1660-97-0x00000000742C0000-0x000000007486B000-memory.dmp

    Filesize

    5.7MB

  • memory/1660-100-0x00000000742C0000-0x000000007486B000-memory.dmp

    Filesize

    5.7MB

  • memory/1724-98-0x00000000742C0000-0x000000007486B000-memory.dmp

    Filesize

    5.7MB

  • memory/1724-79-0x00000000742C0000-0x000000007486B000-memory.dmp

    Filesize

    5.7MB