Analysis

  • max time kernel
    160s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-11-2022 01:51

General

  • Target

    92156ae0272dcfcca8321221edcca6661d73bba80e9fa2fcb91af82dd6901665.exe

  • Size

    636KB

  • MD5

    17628cbf75f6fc89f0c0722f13757908

  • SHA1

    b4ce0d465640098c735c28435df8299ac2811f08

  • SHA256

    92156ae0272dcfcca8321221edcca6661d73bba80e9fa2fcb91af82dd6901665

  • SHA512

    9eab2a295578ac65e16c6ed57653ab28d5dece664e20d84da97160c5fb9b35c888e357611b70faa1664d6e97800f55c64ef87c0ea50af6cf4530eac4cfac16e0

  • SSDEEP

    6144:H96CO1VFnMjx2xicKEEyuaroAJDCbuj07IC1Q6YzP:Hev6sxffEyuAJDpzP

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 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\92156ae0272dcfcca8321221edcca6661d73bba80e9fa2fcb91af82dd6901665.exe
    "C:\Users\Admin\AppData\Local\Temp\92156ae0272dcfcca8321221edcca6661d73bba80e9fa2fcb91af82dd6901665.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4612
    • C:\Users\Admin\AppData\Local\Temp\92156ae0272dcfcca8321221edcca6661d73bba80e9fa2fcb91af82dd6901665.exe
      "C:\Users\Admin\AppData\Local\Temp\92156ae0272dcfcca8321221edcca6661d73bba80e9fa2fcb91af82dd6901665.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:4060
      • C:\ProgramData\909610\sysmon.exe
        "C:\ProgramData\909610\sysmon.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4784
        • C:\ProgramData\909610\sysmon.exe
          "C:\ProgramData\909610\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
          • Suspicious use of WriteProcessMemory
          PID:3768

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\909610\sysmon.exe

    Filesize

    636KB

    MD5

    17628cbf75f6fc89f0c0722f13757908

    SHA1

    b4ce0d465640098c735c28435df8299ac2811f08

    SHA256

    92156ae0272dcfcca8321221edcca6661d73bba80e9fa2fcb91af82dd6901665

    SHA512

    9eab2a295578ac65e16c6ed57653ab28d5dece664e20d84da97160c5fb9b35c888e357611b70faa1664d6e97800f55c64ef87c0ea50af6cf4530eac4cfac16e0

  • C:\ProgramData\909610\sysmon.exe

    Filesize

    636KB

    MD5

    17628cbf75f6fc89f0c0722f13757908

    SHA1

    b4ce0d465640098c735c28435df8299ac2811f08

    SHA256

    92156ae0272dcfcca8321221edcca6661d73bba80e9fa2fcb91af82dd6901665

    SHA512

    9eab2a295578ac65e16c6ed57653ab28d5dece664e20d84da97160c5fb9b35c888e357611b70faa1664d6e97800f55c64ef87c0ea50af6cf4530eac4cfac16e0

  • C:\ProgramData\909610\sysmon.exe

    Filesize

    636KB

    MD5

    17628cbf75f6fc89f0c0722f13757908

    SHA1

    b4ce0d465640098c735c28435df8299ac2811f08

    SHA256

    92156ae0272dcfcca8321221edcca6661d73bba80e9fa2fcb91af82dd6901665

    SHA512

    9eab2a295578ac65e16c6ed57653ab28d5dece664e20d84da97160c5fb9b35c888e357611b70faa1664d6e97800f55c64ef87c0ea50af6cf4530eac4cfac16e0

  • memory/3768-153-0x0000000075470000-0x0000000075A21000-memory.dmp

    Filesize

    5.7MB

  • memory/3768-146-0x0000000075470000-0x0000000075A21000-memory.dmp

    Filesize

    5.7MB

  • memory/3768-143-0x0000000000000000-mapping.dmp

  • memory/4060-156-0x00000000073F0000-0x0000000007407000-memory.dmp

    Filesize

    92KB

  • memory/4060-137-0x0000000075470000-0x0000000075A21000-memory.dmp

    Filesize

    5.7MB

  • memory/4060-136-0x0000000075470000-0x0000000075A21000-memory.dmp

    Filesize

    5.7MB

  • memory/4060-155-0x00000000073F0000-0x0000000007407000-memory.dmp

    Filesize

    92KB

  • memory/4060-154-0x00000000073F0000-0x0000000007407000-memory.dmp

    Filesize

    92KB

  • memory/4060-135-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/4060-134-0x0000000000000000-mapping.dmp

  • memory/4060-157-0x0000000075470000-0x0000000075A21000-memory.dmp

    Filesize

    5.7MB

  • memory/4612-151-0x0000000001710000-0x0000000001727000-memory.dmp

    Filesize

    92KB

  • memory/4612-150-0x0000000001710000-0x0000000001727000-memory.dmp

    Filesize

    92KB

  • memory/4612-132-0x0000000075470000-0x0000000075A21000-memory.dmp

    Filesize

    5.7MB

  • memory/4612-152-0x0000000001710000-0x0000000001727000-memory.dmp

    Filesize

    92KB

  • memory/4612-133-0x0000000075470000-0x0000000075A21000-memory.dmp

    Filesize

    5.7MB

  • memory/4784-148-0x0000000005120000-0x0000000005137000-memory.dmp

    Filesize

    92KB

  • memory/4784-149-0x0000000005120000-0x0000000005137000-memory.dmp

    Filesize

    92KB

  • memory/4784-147-0x0000000005120000-0x0000000005137000-memory.dmp

    Filesize

    92KB

  • memory/4784-142-0x0000000075470000-0x0000000075A21000-memory.dmp

    Filesize

    5.7MB

  • memory/4784-141-0x0000000075470000-0x0000000075A21000-memory.dmp

    Filesize

    5.7MB

  • memory/4784-138-0x0000000000000000-mapping.dmp