Analysis

  • max time kernel
    138s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/03/2024, 11:50

General

  • Target

    ddf0eae98a27510ce4060af0d7cfb106.exe

  • Size

    320KB

  • MD5

    ddf0eae98a27510ce4060af0d7cfb106

  • SHA1

    e6ecf2805413a1a812105603d4991899dad0111b

  • SHA256

    b98f8392e8aff131ce1415483c1e38750dabe7dcb8c0a42dcc66c5ad6b139933

  • SHA512

    6a01576a35ebedfd49fc574369874a4928561f3056b06d05605a1a3819a200b0da80c40b504493d4f544ad02a583a14ae4d950476e1106b74c0185dbea62b32a

  • SSDEEP

    3072:b2HheJxnhlGS2fqba1YncX6JIeZc2tQAp3dC2Zj/AZXk4jX4tFLk86gP9pWeT:ahoeSPMydrZc2yA7ZjwX8tW

Malware Config

Signatures

  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Checks QEMU agent file 2 TTPs 2 IoCs

    Checks presence of QEMU agent, possibly to detect virtualization.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ddf0eae98a27510ce4060af0d7cfb106.exe
    "C:\Users\Admin\AppData\Local\Temp\ddf0eae98a27510ce4060af0d7cfb106.exe"
    1⤵
    • Checks QEMU agent file
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4764
    • C:\Program Files (x86)\internet explorer\ieinstal.exe
      "C:\Users\Admin\AppData\Local\Temp\ddf0eae98a27510ce4060af0d7cfb106.exe"
      2⤵
      • Checks QEMU agent file
      • Adds Run key to start application
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      PID:112
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4092 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3120

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/112-5-0x0000000000AE0000-0x0000000000BE0000-memory.dmp

            Filesize

            1024KB

          • memory/112-7-0x0000000000AE0000-0x0000000000BE0000-memory.dmp

            Filesize

            1024KB

          • memory/112-9-0x0000000000AE0000-0x0000000000BE0000-memory.dmp

            Filesize

            1024KB

          • memory/4764-2-0x0000000002310000-0x0000000002322000-memory.dmp

            Filesize

            72KB

          • memory/4764-3-0x00000000779A1000-0x0000000077AC1000-memory.dmp

            Filesize

            1.1MB

          • memory/4764-4-0x00000000779A1000-0x0000000077AC1000-memory.dmp

            Filesize

            1.1MB

          • memory/4764-6-0x0000000002310000-0x0000000002322000-memory.dmp

            Filesize

            72KB

          • memory/4764-10-0x0000000002310000-0x0000000002322000-memory.dmp

            Filesize

            72KB