Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-10-2024 02:02

General

  • Target

    feaabdf9165e508294f7006308b85802672ee6d7fac58ce4b3c92f6cb63334cc.exe

  • Size

    529KB

  • MD5

    f71ca6bd7ede3a21cf722ffe4112e594

  • SHA1

    e45d7fb3c3f224c47ad6e26b101fef648aa22b63

  • SHA256

    feaabdf9165e508294f7006308b85802672ee6d7fac58ce4b3c92f6cb63334cc

  • SHA512

    ab3d60930e10bc49fd0c9cf54215ba59641238cd486bf796000e14b4605de2373441f5ec76777d14e943cf1f9bc54ff30c1c2de829b19b941fd639da77cc620e

  • SSDEEP

    12288:DMUVNauikWJNEay+ZfXDKqdMN559ClR9FzS/s+ZHmkHN3HiPCpfBVx:I/YW++ZfX72N559JHnHpHiwV

Malware Config

Signatures

  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Loads dropped DLL 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\feaabdf9165e508294f7006308b85802672ee6d7fac58ce4b3c92f6cb63334cc.exe
    "C:\Users\Admin\AppData\Local\Temp\feaabdf9165e508294f7006308b85802672ee6d7fac58ce4b3c92f6cb63334cc.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3012
    • C:\Users\Admin\AppData\Local\Temp\feaabdf9165e508294f7006308b85802672ee6d7fac58ce4b3c92f6cb63334cc.exe
      "C:\Users\Admin\AppData\Local\Temp\feaabdf9165e508294f7006308b85802672ee6d7fac58ce4b3c92f6cb63334cc.exe"
      2⤵
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:1500
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1500 -s 204
        3⤵
        • Program crash
        PID:3684
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1500 -ip 1500
    1⤵
      PID:4148

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\nsz923E.tmp\System.dll

      Filesize

      11KB

      MD5

      cf85183b87314359488b850f9e97a698

      SHA1

      6b6c790037eec7ebea4d05590359cb4473f19aea

      SHA256

      3b6a5cb2a3c091814fce297c04fb677f72732fb21615102c62a195fdc2e7dfac

      SHA512

      fe484b3fc89aeed3a6b71b90b90ea11a787697e56be3077154b6ddc2646850f6c38589ed422ff792e391638a80a778d33f22e891e76b5d65896c6fb4696a2c3b

    • C:\Users\Admin\Music\incinerations.lnk

      Filesize

      746B

      MD5

      3805618733d7cfc0b840cf815eb50834

      SHA1

      eb908b46b0d84bfc8cc095c916ef2c8a8030cf6e

      SHA256

      0b4385e525c4edf916a059e57f1acc8172850ab2dcb00adab762d9027153d143

      SHA512

      04d80b55d520c92973598e7a0c14ad3e60e11551f185ca8f3e040dbe353cedd3a70079090b89888696e833853f7d2be31a25477324795a51235e8a269a6bd7d6

    • memory/1500-451-0x0000000000400000-0x0000000001654000-memory.dmp

      Filesize

      18.3MB

    • memory/1500-450-0x0000000000400000-0x0000000001654000-memory.dmp

      Filesize

      18.3MB

    • memory/1500-454-0x0000000001660000-0x0000000004367000-memory.dmp

      Filesize

      45.0MB

    • memory/1500-453-0x0000000000400000-0x0000000001654000-memory.dmp

      Filesize

      18.3MB

    • memory/1500-452-0x0000000000400000-0x0000000001654000-memory.dmp

      Filesize

      18.3MB

    • memory/1500-433-0x0000000000400000-0x0000000001654000-memory.dmp

      Filesize

      18.3MB

    • memory/1500-435-0x0000000001660000-0x0000000004367000-memory.dmp

      Filesize

      45.0MB

    • memory/1500-439-0x0000000000400000-0x0000000001654000-memory.dmp

      Filesize

      18.3MB

    • memory/1500-449-0x0000000001660000-0x0000000004367000-memory.dmp

      Filesize

      45.0MB

    • memory/3012-434-0x00000000038D0000-0x00000000065D7000-memory.dmp

      Filesize

      45.0MB

    • memory/3012-429-0x00000000038D0000-0x00000000065D7000-memory.dmp

      Filesize

      45.0MB

    • memory/3012-430-0x00000000038D0000-0x00000000065D7000-memory.dmp

      Filesize

      45.0MB

    • memory/3012-432-0x0000000010004000-0x0000000010005000-memory.dmp

      Filesize

      4KB

    • memory/3012-431-0x0000000077AC1000-0x0000000077BE1000-memory.dmp

      Filesize

      1.1MB