Analysis

  • max time kernel
    138s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-02-2024 14:27

General

  • Target

    b09c72bf641ac0a02873bc9621c4985b6f9d08f41de614e33b79b91bf1f6c857.exe

  • Size

    414KB

  • MD5

    ce717ce09f6aeaaab7d13f2f1b49fe85

  • SHA1

    55fecd0b70fdee09035105c3dda1d6dd987e61d6

  • SHA256

    b09c72bf641ac0a02873bc9621c4985b6f9d08f41de614e33b79b91bf1f6c857

  • SHA512

    d4e37f82cec810c5c4ea651b63e871b5ce40acd7b74f3a956f4e2d29356493d195dcea634b946509330f1d415168e0761a7597d9909a9d5e0a49d961ed9a3694

  • SSDEEP

    6144:L4t6Lsvq5WSBHh/5cK/vBHc2Z1qkyi9lscIKAhDG4TXAog6cjmSlJej:LkvqcSBHh/5zRHBgkyrKAv5pcCoJk

Malware Config

Signatures

  • Azorult

    An information stealer that was first discovered in 2016, targeting browsing history and passwords.

  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Loads dropped DLL 4 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\b09c72bf641ac0a02873bc9621c4985b6f9d08f41de614e33b79b91bf1f6c857.exe
    "C:\Users\Admin\AppData\Local\Temp\b09c72bf641ac0a02873bc9621c4985b6f9d08f41de614e33b79b91bf1f6c857.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:4480
    • C:\Users\Admin\AppData\Local\Temp\b09c72bf641ac0a02873bc9621c4985b6f9d08f41de614e33b79b91bf1f6c857.exe
      "C:\Users\Admin\AppData\Local\Temp\b09c72bf641ac0a02873bc9621c4985b6f9d08f41de614e33b79b91bf1f6c857.exe"
      2⤵
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      PID:3176

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsf1EA0.tmp\System.dll

    Filesize

    11KB

    MD5

    17ed1c86bd67e78ade4712be48a7d2bd

    SHA1

    1cc9fe86d6d6030b4dae45ecddce5907991c01a0

    SHA256

    bd046e6497b304e4ea4ab102cab2b1f94ce09bde0eebba4c59942a732679e4eb

    SHA512

    0cbed521e7d6d1f85977b3f7d3ca7ac34e1b5495b69fd8c7bfa1a846baf53b0ecd06fe1ad02a3599082ffacaf8c71a3bb4e32dec05f8e24859d736b828092cd5

  • C:\Users\Admin\AppData\Local\Temp\nsf1EA0.tmp\nsDialogs.dll

    Filesize

    9KB

    MD5

    42b064366f780c1f298fa3cb3aeae260

    SHA1

    5b0349db73c43f35227b252b9aa6555f5ede9015

    SHA256

    c13104552b8b553159f50f6e2ca45114493397a6fa4bf2cbb960c4a2bbd349ab

    SHA512

    50d8f4f7a3ff45d5854741e7c4153fa13ee1093bafbe9c2adc60712ed2fb505c9688dd420d75aaea1b696da46b6beccc232e41388bc2a16b1f9eea1832df1cd7

  • C:\Users\Admin\AppData\Local\Temp\nsf1EA0.tmp\nsExec.dll

    Filesize

    6KB

    MD5

    b55f7f1b17c39018910c23108f929082

    SHA1

    1601f1cc0d0d6bcf35799b7cd15550cd01556172

    SHA256

    c4c6fe032f3cd8b31528d7b99661f85ee22cb78746aee98ec568431d4f5043f7

    SHA512

    d652f2b09396ef7b9181996c4700b25840ceaa6c1c10080a55ce3db4c25d8d85f00a21e747f9d14a3374be4cdd4ea829a18d7de9b27b13b5e304447f3e9268fa

  • memory/3176-31-0x00000000004A0000-0x00000000016F4000-memory.dmp

    Filesize

    18.3MB

  • memory/3176-26-0x0000000001700000-0x00000000049C9000-memory.dmp

    Filesize

    50.8MB

  • memory/3176-27-0x0000000077948000-0x0000000077949000-memory.dmp

    Filesize

    4KB

  • memory/3176-28-0x0000000077965000-0x0000000077966000-memory.dmp

    Filesize

    4KB

  • memory/3176-29-0x00000000004A0000-0x00000000016F4000-memory.dmp

    Filesize

    18.3MB

  • memory/3176-30-0x0000000000060000-0x0000000000087000-memory.dmp

    Filesize

    156KB

  • memory/3176-32-0x00000000004A0000-0x00000000016F4000-memory.dmp

    Filesize

    18.3MB

  • memory/3176-34-0x0000000001700000-0x00000000049C9000-memory.dmp

    Filesize

    50.8MB

  • memory/3176-33-0x00000000778C1000-0x00000000779E1000-memory.dmp

    Filesize

    1.1MB

  • memory/4480-23-0x0000000005270000-0x0000000008539000-memory.dmp

    Filesize

    50.8MB

  • memory/4480-24-0x00000000778C1000-0x00000000779E1000-memory.dmp

    Filesize

    1.1MB

  • memory/4480-25-0x0000000010000000-0x0000000010006000-memory.dmp

    Filesize

    24KB

  • memory/4480-22-0x0000000005270000-0x0000000008539000-memory.dmp

    Filesize

    50.8MB