Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-05-2024 03:47

General

  • Target

    d2eb10ebe6ac13f003bbad5cea8fa1dafe2e25c786d9e112fe49cbc8fa92304f.exe

  • Size

    143KB

  • MD5

    622e99d638814722127d539c372a9934

  • SHA1

    64ee6cb92c063e2da89ea370b0838f8a0e97cd4f

  • SHA256

    d2eb10ebe6ac13f003bbad5cea8fa1dafe2e25c786d9e112fe49cbc8fa92304f

  • SHA512

    1cee8bc60aa2829f4951aec628285e8387122bd143c824883a4954b7a6c75b28cdbd8bb0d5449e79d84896377a3914b2b2bb5b015095a110ca14417a6971b4dc

  • SSDEEP

    1536:fli0XaKn5gYkqDqgEeEHgUyQLrdcUcsA08IzYJzKsoVXOeqD7hi/x0rTE86mwYUi:di0XaKncqY31L2WXb0E86mwYUi

Malware Config

Signatures

  • Detects executables containing base64 encoded User Agent 7 IoCs
  • Blocklisted process makes network request 9 IoCs
  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d2eb10ebe6ac13f003bbad5cea8fa1dafe2e25c786d9e112fe49cbc8fa92304f.exe
    "C:\Users\Admin\AppData\Local\Temp\d2eb10ebe6ac13f003bbad5cea8fa1dafe2e25c786d9e112fe49cbc8fa92304f.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4008
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&c:\uuokmjvkq.exe "C:\Users\Admin\AppData\Local\Temp\d2eb10ebe6ac13f003bbad5cea8fa1dafe2e25c786d9e112fe49cbc8fa92304f.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3100
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • Runs ping.exe
        PID:3324
      • \??\c:\uuokmjvkq.exe
        c:\uuokmjvkq.exe "C:\Users\Admin\AppData\Local\Temp\d2eb10ebe6ac13f003bbad5cea8fa1dafe2e25c786d9e112fe49cbc8fa92304f.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2812
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\sjuvmnj\rqsve.dll",AbortProc c:\uuokmjvkq.exe
          4⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          • Adds Run key to start application
          • Enumerates connected drives
          • Writes to the Master Boot Record (MBR)
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2264

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\uuokmjvkq.exe

    Filesize

    144KB

    MD5

    93c76cbab9e5a6cf589f3fb29c8a3859

    SHA1

    48e1c0e365fcea3e40c36dc643d2904c1c04e901

    SHA256

    a4742af6d48934b763ba1d7cf84c99fbf8db82656cf03aa6a5a09aa125443024

    SHA512

    9ced021a5c19419af0388ab5c39aa4135bcdb717d8452e792fcbf73c4981c193a942ac82031562d64515fdb06debf499840293bfc71c9cd7f01e3a734c28fdbd

  • \??\c:\sjuvmnj\rqsve.dll

    Filesize

    87KB

    MD5

    a2c2137ff7abf6be6bcae4252c394a69

    SHA1

    07b402104df563f9486c2eef975fee70f65a5145

    SHA256

    37ab4b7ee8f6b61c3854af4ed4676fd0d69f0260fb1296ad75e57aa08e1eeb03

    SHA512

    5d05ed7c55bee8f41502acaea3d41fcf4421ad641d43f0b97b4cdc8fe584983da7712c561a53b708e88391df7929914746115700ae733155418693bcec6989a9

  • memory/2264-14-0x0000000010000000-0x0000000010036000-memory.dmp

    Filesize

    216KB

  • memory/2264-13-0x0000000010000000-0x0000000010036000-memory.dmp

    Filesize

    216KB

  • memory/2264-12-0x0000000010000000-0x0000000010036000-memory.dmp

    Filesize

    216KB

  • memory/2264-11-0x0000000010000000-0x0000000010036000-memory.dmp

    Filesize

    216KB

  • memory/2264-15-0x0000000010000000-0x0000000010036000-memory.dmp

    Filesize

    216KB

  • memory/2264-17-0x0000000010000000-0x0000000010036000-memory.dmp

    Filesize

    216KB

  • memory/2264-19-0x0000000010000000-0x0000000010036000-memory.dmp

    Filesize

    216KB

  • memory/2812-6-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

  • memory/2812-8-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

  • memory/4008-2-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

  • memory/4008-0-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB