Analysis

  • max time kernel
    138s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-10-2024 12:15

General

  • Target

    Fignen234.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).

  • 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 14 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Fignen234.exe
    "C:\Users\Admin\AppData\Local\Temp\Fignen234.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:3128
    • C:\Users\Admin\AppData\Local\Temp\Fignen234.exe
      "C:\Users\Admin\AppData\Local\Temp\Fignen234.exe"
      2⤵
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:1872

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\nso8415.tmp\System.dll

    Filesize

    11KB

    MD5

    cf85183b87314359488b850f9e97a698

    SHA1

    6b6c790037eec7ebea4d05590359cb4473f19aea

    SHA256

    3b6a5cb2a3c091814fce297c04fb677f72732fb21615102c62a195fdc2e7dfac

    SHA512

    fe484b3fc89aeed3a6b71b90b90ea11a787697e56be3077154b6ddc2646850f6c38589ed422ff792e391638a80a778d33f22e891e76b5d65896c6fb4696a2c3b

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

    Filesize

    750B

    MD5

    bf6c6c1bb46e7e0a0e0729fcf89ebeb8

    SHA1

    391261875577bfdf6d603fb9cd010b01a28b2208

    SHA256

    67303c927f66a65f13186eb09b958d1cc29649d3d2701792ca53bd245a237058

    SHA512

    edd1e414939adcec8b304be7163e1a85ec2a969c8e19f5c71cfd6273896d15423696db55b996d4db986daa314e8ff8af6bee951266621482966b639ebdbaecb9

  • memory/1872-448-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/1872-433-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/1872-434-0x0000000001660000-0x0000000004367000-memory.dmp

    Filesize

    45.0MB

  • memory/1872-447-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/1872-449-0x0000000001660000-0x0000000004367000-memory.dmp

    Filesize

    45.0MB

  • memory/1872-450-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/1872-451-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/1872-454-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/1872-455-0x0000000001660000-0x0000000004367000-memory.dmp

    Filesize

    45.0MB

  • memory/3128-430-0x00000000037D0000-0x00000000064D7000-memory.dmp

    Filesize

    45.0MB

  • memory/3128-431-0x0000000077761000-0x0000000077881000-memory.dmp

    Filesize

    1.1MB

  • memory/3128-432-0x00000000037D0000-0x00000000064D7000-memory.dmp

    Filesize

    45.0MB

  • memory/3128-429-0x00000000037D0000-0x00000000064D7000-memory.dmp

    Filesize

    45.0MB