Analysis

  • max time kernel
    157s
  • max time network
    163s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-11-2022 22:06

General

  • Target

    15843008b449ada1a722b2ea3ea46d3180d95995d8055181d884840f3ea7d029.exe

  • Size

    2.7MB

  • MD5

    c8cf5b4e0b41f78a0578afd13d721fd1

  • SHA1

    3c5fea380843bff19cf435322ec7a8a62d1ec3d4

  • SHA256

    15843008b449ada1a722b2ea3ea46d3180d95995d8055181d884840f3ea7d029

  • SHA512

    f4bf2b8452a253aa45f64c6d05d3c7a1e8ec744a322892e1f03710129e43fa63f0064023341d37dd308be45c9385d50863d2b21461f82e94ba0e67526708c54e

  • SSDEEP

    49152:eSBec0GPbErgBAmCke8D/MABBqVbKJ04TiSgviLoDbrBcp9:ecrzErgB+wM8IVmCiiLvxnrB

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 4 IoCs
  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Windows directory 3 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 9 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\15843008b449ada1a722b2ea3ea46d3180d95995d8055181d884840f3ea7d029.exe
    "C:\Users\Admin\AppData\Local\Temp\15843008b449ada1a722b2ea3ea46d3180d95995d8055181d884840f3ea7d029.exe"
    1⤵
    • Checks computer location settings
    • Drops desktop.ini file(s)
    • Suspicious use of SetThreadContext
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3584
    • C:\Users\Admin\AppData\Local\Temp\File.exe
      "C:\Users\Admin\AppData\Local\Temp\File.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2108
    • C:\Users\Admin\AppData\Local\Temp\15843008b449ada1a722b2ea3ea46d3180d95995d8055181d884840f3ea7d029.exe
      C:\Users\Admin\AppData\Local\Temp\15843008b449ada1a722b2ea3ea46d3180d95995d8055181d884840f3ea7d029.exe
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:4928
      • C:\ProgramData\285414\sysmon.exe
        "C:\ProgramData\285414\sysmon.exe"
        3⤵
        • Executes dropped EXE
        • Checks computer location settings
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2504
        • C:\Users\Admin\AppData\Local\Temp\File.exe
          "C:\Users\Admin\AppData\Local\Temp\File.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:224
        • C:\ProgramData\285414\sysmon.exe
          C:\ProgramData\285414\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:4992

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\ProgramData\285414\sysmon.exe

    Filesize

    2.7MB

    MD5

    c8cf5b4e0b41f78a0578afd13d721fd1

    SHA1

    3c5fea380843bff19cf435322ec7a8a62d1ec3d4

    SHA256

    15843008b449ada1a722b2ea3ea46d3180d95995d8055181d884840f3ea7d029

    SHA512

    f4bf2b8452a253aa45f64c6d05d3c7a1e8ec744a322892e1f03710129e43fa63f0064023341d37dd308be45c9385d50863d2b21461f82e94ba0e67526708c54e

  • C:\ProgramData\285414\sysmon.exe

    Filesize

    2.7MB

    MD5

    c8cf5b4e0b41f78a0578afd13d721fd1

    SHA1

    3c5fea380843bff19cf435322ec7a8a62d1ec3d4

    SHA256

    15843008b449ada1a722b2ea3ea46d3180d95995d8055181d884840f3ea7d029

    SHA512

    f4bf2b8452a253aa45f64c6d05d3c7a1e8ec744a322892e1f03710129e43fa63f0064023341d37dd308be45c9385d50863d2b21461f82e94ba0e67526708c54e

  • C:\ProgramData\285414\sysmon.exe

    Filesize

    2.7MB

    MD5

    c8cf5b4e0b41f78a0578afd13d721fd1

    SHA1

    3c5fea380843bff19cf435322ec7a8a62d1ec3d4

    SHA256

    15843008b449ada1a722b2ea3ea46d3180d95995d8055181d884840f3ea7d029

    SHA512

    f4bf2b8452a253aa45f64c6d05d3c7a1e8ec744a322892e1f03710129e43fa63f0064023341d37dd308be45c9385d50863d2b21461f82e94ba0e67526708c54e

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\15843008b449ada1a722b2ea3ea46d3180d95995d8055181d884840f3ea7d029.exe.log

    Filesize

    319B

    MD5

    824ba7b7eed8b900a98dd25129c4cd83

    SHA1

    54478770b2158000ef365591d42977cb854453a1

    SHA256

    d182dd648c92e41cd62dccc65f130c07f0a96c03b32f907c3d1218e9aa5bda03

    SHA512

    ae4f3a9673711ecb6cc5d06874c587341d5094803923b53b6e982278fa64549d7acf866de165e23750facd55da556b6794c0d32f129f4087529c73acd4ffb11e

  • C:\Users\Admin\AppData\Local\Temp\File.exe

    Filesize

    787KB

    MD5

    67f9e88c73d954bc23235a1d00bd2d2a

    SHA1

    0990308a9ebb602900e8a77615906d5b669792eb

    SHA256

    8f9af964f56025b65831a1d2b9b66475423cee2e255ef6bd240955685c92bfbc

    SHA512

    a3a4df2d6972c057b6da54fd18ac803368aa98a7e1e07e859d3c36585040f300537a27e508924f2a212a87119e2219031277a015c7e9db70ac0935778d58bf92

  • C:\Users\Admin\AppData\Local\Temp\File.exe

    Filesize

    787KB

    MD5

    67f9e88c73d954bc23235a1d00bd2d2a

    SHA1

    0990308a9ebb602900e8a77615906d5b669792eb

    SHA256

    8f9af964f56025b65831a1d2b9b66475423cee2e255ef6bd240955685c92bfbc

    SHA512

    a3a4df2d6972c057b6da54fd18ac803368aa98a7e1e07e859d3c36585040f300537a27e508924f2a212a87119e2219031277a015c7e9db70ac0935778d58bf92

  • C:\Users\Admin\AppData\Local\Temp\File.exe

    Filesize

    787KB

    MD5

    67f9e88c73d954bc23235a1d00bd2d2a

    SHA1

    0990308a9ebb602900e8a77615906d5b669792eb

    SHA256

    8f9af964f56025b65831a1d2b9b66475423cee2e255ef6bd240955685c92bfbc

    SHA512

    a3a4df2d6972c057b6da54fd18ac803368aa98a7e1e07e859d3c36585040f300537a27e508924f2a212a87119e2219031277a015c7e9db70ac0935778d58bf92

  • C:\Users\Admin\AppData\Local\Temp\svhost.exe

    Filesize

    52KB

    MD5

    a64daca3cfbcd039df3ec29d3eddd001

    SHA1

    eee8b2573f71e8d5c3ee7e53af3e6772e090d0f3

    SHA256

    403752009f29381d5e4036b8be94589c89188f9ce8ef5f86959eaaada019ed36

    SHA512

    b6fe2d0ae3fcd4442579ecf10d498d61e0f042813c8fc4be8019da77d849cfcf0b168507139a1b5697227c272de9091788f8e03cf1ce13d5b5077568cfa6a479

  • memory/224-149-0x0000000000000000-mapping.dmp

  • memory/2108-139-0x0000000004BB0000-0x0000000004C4C000-memory.dmp

    Filesize

    624KB

  • memory/2108-141-0x0000000005460000-0x0000000005A04000-memory.dmp

    Filesize

    5.6MB

  • memory/2108-142-0x0000000004D00000-0x0000000004D92000-memory.dmp

    Filesize

    584KB

  • memory/2108-143-0x0000000004CE0000-0x0000000004CEA000-memory.dmp

    Filesize

    40KB

  • memory/2108-144-0x0000000004F10000-0x0000000004F66000-memory.dmp

    Filesize

    344KB

  • memory/2108-138-0x0000000000180000-0x000000000024C000-memory.dmp

    Filesize

    816KB

  • memory/2108-133-0x0000000000000000-mapping.dmp

  • memory/2504-157-0x00000000749C0000-0x0000000074F71000-memory.dmp

    Filesize

    5.7MB

  • memory/2504-145-0x0000000000000000-mapping.dmp

  • memory/2504-148-0x00000000749C0000-0x0000000074F71000-memory.dmp

    Filesize

    5.7MB

  • memory/3584-155-0x00000000749C0000-0x0000000074F71000-memory.dmp

    Filesize

    5.7MB

  • memory/3584-132-0x00000000749C0000-0x0000000074F71000-memory.dmp

    Filesize

    5.7MB

  • memory/4928-160-0x0000000006EF0000-0x0000000006F07000-memory.dmp

    Filesize

    92KB

  • memory/4928-140-0x00000000749C0000-0x0000000074F71000-memory.dmp

    Filesize

    5.7MB

  • memory/4928-164-0x00000000749C0000-0x0000000074F71000-memory.dmp

    Filesize

    5.7MB

  • memory/4928-137-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/4928-158-0x00000000749C0000-0x0000000074F71000-memory.dmp

    Filesize

    5.7MB

  • memory/4928-136-0x0000000000000000-mapping.dmp

  • memory/4928-161-0x0000000006EF0000-0x0000000006F07000-memory.dmp

    Filesize

    92KB

  • memory/4928-162-0x0000000006EF0000-0x0000000006F07000-memory.dmp

    Filesize

    92KB

  • memory/4992-156-0x00000000749C0000-0x0000000074F71000-memory.dmp

    Filesize

    5.7MB

  • memory/4992-159-0x00000000749C0000-0x0000000074F71000-memory.dmp

    Filesize

    5.7MB

  • memory/4992-152-0x0000000000000000-mapping.dmp