Analysis

  • max time kernel
    293s
  • max time network
    299s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    07-11-2024 00:45

General

  • Target

    Anfrage_244384.exe

  • Size

    1.2MB

  • MD5

    b03f23199ae987a7bce0ff1a0d742e3e

  • SHA1

    f454c8de72926ee9f98db7056fa89f0c3ada9666

  • SHA256

    eda014e3b658bfbbfd141c1459a3414d9ee8b7c139a3976fe732141fa9cf3f80

  • SHA512

    01ccdc0f586a8926a56f0d3bfee91c5e882bff5df84cbb5363df6681fb62863a8075af8261bb72ecf2360d9d4dc4552dddb4e1ec1da002c24b9416ff0d3f95be

  • SSDEEP

    24576:aCAoDyk/vnt3h1CzLuTIv08yZVk7ku8h7w6/t338euHdB4bU4VD4C:aCAfqvtx1UuTIMfg7ku8Vfx3/uHHSU4t

Malware Config

Signatures

  • Guloader family
  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Loads dropped DLL 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 2 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: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe
    "C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.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:3052
    • C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe
      "C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe"
      2⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      PID:2724

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\nsy2897.tmp\System.dll

    Filesize

    11KB

    MD5

    3f176d1ee13b0d7d6bd92e1c7a0b9bae

    SHA1

    fe582246792774c2c9dd15639ffa0aca90d6fd0b

    SHA256

    fa4ab1d6f79fd677433a31ada7806373a789d34328da46ccb0449bbf347bd73e

    SHA512

    0a69124819b7568d0dea4e9e85ce8fe61c7ba697c934e3a95e2dcfb9f252b1d9da7faf8774b6e8efd614885507acc94987733eba09a2f5e7098b774dfc8524b6

  • memory/2724-22-0x0000000000400000-0x0000000001462000-memory.dmp

    Filesize

    16.4MB

  • memory/2724-23-0x00000000778C0000-0x0000000077A69000-memory.dmp

    Filesize

    1.7MB

  • memory/2724-25-0x0000000000400000-0x0000000001462000-memory.dmp

    Filesize

    16.4MB

  • memory/3052-18-0x00000000028D0000-0x000000000555E000-memory.dmp

    Filesize

    44.6MB

  • memory/3052-19-0x00000000028D0000-0x000000000555E000-memory.dmp

    Filesize

    44.6MB

  • memory/3052-21-0x00000000778C0000-0x0000000077A69000-memory.dmp

    Filesize

    1.7MB

  • memory/3052-20-0x00000000778C1000-0x00000000779C2000-memory.dmp

    Filesize

    1.0MB

  • memory/3052-24-0x00000000028D0000-0x000000000555E000-memory.dmp

    Filesize

    44.6MB