Analysis

  • max time kernel
    152s
  • max time network
    44s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    20-11-2022 07:30

General

  • Target

    ce75c15a3459e4a32795571c89de2576f7bc3f3295f04ba2d52f8cb13404795e.exe

  • Size

    365KB

  • MD5

    3c9be28e4d4613c828ce09079cedbaf0

  • SHA1

    3f3129c7b1d2a71c878cfa3a40d41807efb15fed

  • SHA256

    ce75c15a3459e4a32795571c89de2576f7bc3f3295f04ba2d52f8cb13404795e

  • SHA512

    0897f20a9cfa9c9afddc3a97220e994e263bb72891e58a91055d75f1870709d80bf4f55efd0703b32841587264b8103787ac3d8d6bd5c980e29abda444a321f7

  • SSDEEP

    6144:WXV+JnRQtCJmM+mKwYpzyAtmLbR9JWJW+lU3hJ272Ja2P4337MqjrEVGPjk7ngIk:eAROuRvE0la2P4brEyjk7ngYsP

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 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ce75c15a3459e4a32795571c89de2576f7bc3f3295f04ba2d52f8cb13404795e.exe
    "C:\Users\Admin\AppData\Local\Temp\ce75c15a3459e4a32795571c89de2576f7bc3f3295f04ba2d52f8cb13404795e.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:1684
    • C:\ProgramData\260198\repair.exe
      "C:\ProgramData\260198\repair.exe"
      2⤵
      • 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:1496

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\260198\repair.exe

    Filesize

    365KB

    MD5

    3c9be28e4d4613c828ce09079cedbaf0

    SHA1

    3f3129c7b1d2a71c878cfa3a40d41807efb15fed

    SHA256

    ce75c15a3459e4a32795571c89de2576f7bc3f3295f04ba2d52f8cb13404795e

    SHA512

    0897f20a9cfa9c9afddc3a97220e994e263bb72891e58a91055d75f1870709d80bf4f55efd0703b32841587264b8103787ac3d8d6bd5c980e29abda444a321f7

  • C:\ProgramData\260198\repair.exe

    Filesize

    365KB

    MD5

    3c9be28e4d4613c828ce09079cedbaf0

    SHA1

    3f3129c7b1d2a71c878cfa3a40d41807efb15fed

    SHA256

    ce75c15a3459e4a32795571c89de2576f7bc3f3295f04ba2d52f8cb13404795e

    SHA512

    0897f20a9cfa9c9afddc3a97220e994e263bb72891e58a91055d75f1870709d80bf4f55efd0703b32841587264b8103787ac3d8d6bd5c980e29abda444a321f7

  • \ProgramData\260198\repair.exe

    Filesize

    365KB

    MD5

    3c9be28e4d4613c828ce09079cedbaf0

    SHA1

    3f3129c7b1d2a71c878cfa3a40d41807efb15fed

    SHA256

    ce75c15a3459e4a32795571c89de2576f7bc3f3295f04ba2d52f8cb13404795e

    SHA512

    0897f20a9cfa9c9afddc3a97220e994e263bb72891e58a91055d75f1870709d80bf4f55efd0703b32841587264b8103787ac3d8d6bd5c980e29abda444a321f7

  • \ProgramData\260198\repair.exe

    Filesize

    365KB

    MD5

    3c9be28e4d4613c828ce09079cedbaf0

    SHA1

    3f3129c7b1d2a71c878cfa3a40d41807efb15fed

    SHA256

    ce75c15a3459e4a32795571c89de2576f7bc3f3295f04ba2d52f8cb13404795e

    SHA512

    0897f20a9cfa9c9afddc3a97220e994e263bb72891e58a91055d75f1870709d80bf4f55efd0703b32841587264b8103787ac3d8d6bd5c980e29abda444a321f7

  • memory/1496-62-0x0000000074F50000-0x00000000754FB000-memory.dmp

    Filesize

    5.7MB

  • memory/1496-64-0x0000000074F50000-0x00000000754FB000-memory.dmp

    Filesize

    5.7MB

  • memory/1684-54-0x0000000075B11000-0x0000000075B13000-memory.dmp

    Filesize

    8KB

  • memory/1684-55-0x0000000074F50000-0x00000000754FB000-memory.dmp

    Filesize

    5.7MB

  • memory/1684-63-0x0000000074F50000-0x00000000754FB000-memory.dmp

    Filesize

    5.7MB

  • memory/1684-65-0x0000000074F50000-0x00000000754FB000-memory.dmp

    Filesize

    5.7MB