Analysis

  • max time kernel
    121s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 10 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:2828
    • 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
      • Suspicious use of WriteProcessMemory
      PID:1568
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1568 -s 68
        3⤵
        • Program crash
        PID:1620

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    734B

    MD5

    4b2f16f3d58d90c8150c72585237ddb4

    SHA1

    d56001eec46ff0c29d4689c3727f3c2da4230c0f

    SHA256

    fb906799df34f815307df29beaf049cb0a9fb927553ac0b5e4bf978a534522d9

    SHA512

    4b7e3acde3182ff7712fffa3d40ed9efeea25ed4f34407e5e2a354b5c96834b0f2c70ca6c6879bc18d7453aac25d62cb91836083d189d5d56eb1b72c3d315765

  • \Users\Admin\AppData\Local\Temp\nst6B42.tmp\System.dll

    Filesize

    11KB

    MD5

    cf85183b87314359488b850f9e97a698

    SHA1

    6b6c790037eec7ebea4d05590359cb4473f19aea

    SHA256

    3b6a5cb2a3c091814fce297c04fb677f72732fb21615102c62a195fdc2e7dfac

    SHA512

    fe484b3fc89aeed3a6b71b90b90ea11a787697e56be3077154b6ddc2646850f6c38589ed422ff792e391638a80a778d33f22e891e76b5d65896c6fb4696a2c3b

  • memory/1568-457-0x0000000000400000-0x0000000001462000-memory.dmp

    Filesize

    16.4MB

  • memory/1568-433-0x0000000000400000-0x0000000001462000-memory.dmp

    Filesize

    16.4MB

  • memory/1568-434-0x0000000001470000-0x0000000004177000-memory.dmp

    Filesize

    45.0MB

  • memory/1568-456-0x0000000000400000-0x0000000001462000-memory.dmp

    Filesize

    16.4MB

  • memory/1568-458-0x0000000000400000-0x0000000001462000-memory.dmp

    Filesize

    16.4MB

  • memory/1568-459-0x0000000001470000-0x0000000004177000-memory.dmp

    Filesize

    45.0MB

  • memory/1568-460-0x0000000000400000-0x0000000001462000-memory.dmp

    Filesize

    16.4MB

  • memory/1568-461-0x0000000000400000-0x0000000001462000-memory.dmp

    Filesize

    16.4MB

  • memory/1568-462-0x0000000000400000-0x0000000001462000-memory.dmp

    Filesize

    16.4MB

  • memory/2828-430-0x00000000775F0000-0x00000000776C6000-memory.dmp

    Filesize

    856KB

  • memory/2828-432-0x0000000003BF0000-0x00000000068F7000-memory.dmp

    Filesize

    45.0MB

  • memory/2828-431-0x0000000077401000-0x0000000077502000-memory.dmp

    Filesize

    1.0MB

  • memory/2828-429-0x0000000003BF0000-0x00000000068F7000-memory.dmp

    Filesize

    45.0MB