Analysis

  • max time kernel
    96s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-02-2025 03:24

General

  • Target

    c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe

  • Size

    1.0MB

  • MD5

    1ebe93eeab6243a251a4a5c03ceb5a02

  • SHA1

    49df0a8621d4dd503fcce6e1deacc6ebcc1b0e77

  • SHA256

    c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd

  • SHA512

    cf512a1e12c3483bc6892ce91527a9a46d519600c10e34c301a8bcdf7099832b69ef281a670fbf9158fc308673c0b18a0bd501fd79d4bc5a36eb2e611fcf6ed2

  • SSDEEP

    24576:LzOEC045yAEVwhCkyfdZO5EkhyNG5Hgapy:eEe5HyS55hBNgj

Malware Config

Signatures

  • Guloader family
  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Loads dropped DLL 2 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 42 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
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • 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 AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe
    "C:\Users\Admin\AppData\Local\Temp\c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:836
    • C:\Users\Admin\AppData\Local\Temp\c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe
      "C:\Users\Admin\AppData\Local\Temp\c88268a252dc9b148a091e4f5423b68080f117119c3ab7aadea86b5edaece9dd.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4392

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\nso9CDD.tmp\System.dll

    Filesize

    11KB

    MD5

    3f176d1ee13b0d7d6bd92e1c7a0b9bae

    SHA1

    fe582246792774c2c9dd15639ffa0aca90d6fd0b

    SHA256

    fa4ab1d6f79fd677433a31ada7806373a789d34328da46ccb0449bbf347bd73e

    SHA512

    0a69124819b7568d0dea4e9e85ce8fe61c7ba697c934e3a95e2dcfb9f252b1d9da7faf8774b6e8efd614885507acc94987733eba09a2f5e7098b774dfc8524b6

  • memory/836-15-0x0000000002AC0000-0x000000000353C000-memory.dmp

    Filesize

    10.5MB

  • memory/836-16-0x0000000076F21000-0x0000000077041000-memory.dmp

    Filesize

    1.1MB

  • memory/836-17-0x0000000010004000-0x0000000010005000-memory.dmp

    Filesize

    4KB

  • memory/836-19-0x0000000002AC0000-0x000000000353C000-memory.dmp

    Filesize

    10.5MB

  • memory/4392-20-0x0000000001720000-0x000000000219C000-memory.dmp

    Filesize

    10.5MB

  • memory/4392-21-0x0000000076FA8000-0x0000000076FA9000-memory.dmp

    Filesize

    4KB

  • memory/4392-22-0x0000000076FC5000-0x0000000076FC6000-memory.dmp

    Filesize

    4KB

  • memory/4392-35-0x0000000001720000-0x000000000219C000-memory.dmp

    Filesize

    10.5MB

  • memory/4392-37-0x0000000076F21000-0x0000000077041000-memory.dmp

    Filesize

    1.1MB

  • memory/4392-36-0x00000000004C0000-0x0000000001714000-memory.dmp

    Filesize

    18.3MB

  • memory/4392-39-0x0000000071E1E000-0x0000000071E1F000-memory.dmp

    Filesize

    4KB

  • memory/4392-40-0x00000000004C0000-0x0000000000520000-memory.dmp

    Filesize

    384KB

  • memory/4392-38-0x0000000001720000-0x000000000219C000-memory.dmp

    Filesize

    10.5MB

  • memory/4392-41-0x0000000032E90000-0x0000000032F26000-memory.dmp

    Filesize

    600KB

  • memory/4392-42-0x0000000071E10000-0x00000000725C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4392-58-0x0000000032E90000-0x0000000032F21000-memory.dmp

    Filesize

    580KB

  • memory/4392-52-0x0000000032E90000-0x0000000032F21000-memory.dmp

    Filesize

    580KB

  • memory/4392-66-0x0000000032E90000-0x0000000032F21000-memory.dmp

    Filesize

    580KB

  • memory/4392-82-0x0000000032E90000-0x0000000032F21000-memory.dmp

    Filesize

    580KB

  • memory/4392-80-0x0000000032E90000-0x0000000032F21000-memory.dmp

    Filesize

    580KB

  • memory/4392-76-0x0000000032E90000-0x0000000032F21000-memory.dmp

    Filesize

    580KB

  • memory/4392-74-0x0000000032E90000-0x0000000032F21000-memory.dmp

    Filesize

    580KB

  • memory/4392-70-0x0000000032E90000-0x0000000032F21000-memory.dmp

    Filesize

    580KB

  • memory/4392-64-0x0000000032E90000-0x0000000032F21000-memory.dmp

    Filesize

    580KB

  • memory/4392-62-0x0000000032E90000-0x0000000032F21000-memory.dmp

    Filesize

    580KB

  • memory/4392-60-0x0000000032E90000-0x0000000032F21000-memory.dmp

    Filesize

    580KB

  • memory/4392-56-0x0000000032E90000-0x0000000032F21000-memory.dmp

    Filesize

    580KB

  • memory/4392-54-0x0000000032E90000-0x0000000032F21000-memory.dmp

    Filesize

    580KB

  • memory/4392-78-0x0000000032E90000-0x0000000032F21000-memory.dmp

    Filesize

    580KB

  • memory/4392-72-0x0000000032E90000-0x0000000032F21000-memory.dmp

    Filesize

    580KB

  • memory/4392-68-0x0000000032E90000-0x0000000032F21000-memory.dmp

    Filesize

    580KB

  • memory/4392-50-0x0000000032E90000-0x0000000032F21000-memory.dmp

    Filesize

    580KB

  • memory/4392-48-0x0000000032E90000-0x0000000032F21000-memory.dmp

    Filesize

    580KB

  • memory/4392-92-0x0000000032E90000-0x0000000032F21000-memory.dmp

    Filesize

    580KB

  • memory/4392-102-0x0000000032E90000-0x0000000032F21000-memory.dmp

    Filesize

    580KB

  • memory/4392-100-0x0000000032E90000-0x0000000032F21000-memory.dmp

    Filesize

    580KB

  • memory/4392-98-0x0000000032E90000-0x0000000032F21000-memory.dmp

    Filesize

    580KB

  • memory/4392-96-0x0000000032E90000-0x0000000032F21000-memory.dmp

    Filesize

    580KB

  • memory/4392-94-0x0000000032E90000-0x0000000032F21000-memory.dmp

    Filesize

    580KB

  • memory/4392-90-0x0000000032E90000-0x0000000032F21000-memory.dmp

    Filesize

    580KB

  • memory/4392-88-0x0000000032E90000-0x0000000032F21000-memory.dmp

    Filesize

    580KB

  • memory/4392-86-0x0000000032E90000-0x0000000032F21000-memory.dmp

    Filesize

    580KB

  • memory/4392-84-0x0000000032E90000-0x0000000032F21000-memory.dmp

    Filesize

    580KB

  • memory/4392-46-0x0000000032E90000-0x0000000032F21000-memory.dmp

    Filesize

    580KB

  • memory/4392-44-0x0000000032E90000-0x0000000032F21000-memory.dmp

    Filesize

    580KB

  • memory/4392-43-0x0000000032E90000-0x0000000032F21000-memory.dmp

    Filesize

    580KB

  • memory/4392-2108-0x00000000327D0000-0x00000000327FC000-memory.dmp

    Filesize

    176KB

  • memory/4392-2109-0x00000000350D0000-0x000000003511C000-memory.dmp

    Filesize

    304KB

  • memory/4392-2110-0x00000000352E0000-0x00000000353C0000-memory.dmp

    Filesize

    896KB

  • memory/4392-5135-0x00000000353E0000-0x0000000035446000-memory.dmp

    Filesize

    408KB

  • memory/4392-5136-0x0000000071E1E000-0x0000000071E1F000-memory.dmp

    Filesize

    4KB

  • memory/4392-5137-0x0000000071E10000-0x00000000725C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4392-5139-0x00000000357B0000-0x0000000035D54000-memory.dmp

    Filesize

    5.6MB

  • memory/4392-5140-0x0000000035510000-0x00000000355A2000-memory.dmp

    Filesize

    584KB

  • memory/4392-5141-0x0000000035EE0000-0x0000000035EF2000-memory.dmp

    Filesize

    72KB

  • memory/4392-5142-0x00000000361B0000-0x0000000036200000-memory.dmp

    Filesize

    320KB

  • memory/4392-5145-0x0000000071E10000-0x00000000725C0000-memory.dmp

    Filesize

    7.7MB