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Analysis

  • max time kernel
    98s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250211-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250211-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/02/2025, 17:29

General

  • Target

    Request for Quotation_TRT10102025_pdf.exe

  • Size

    1.0MB

  • MD5

    1c49b3c14047f9394a16fe4ba22b6a38

  • SHA1

    33f48f5750d5585c037e96b3c1fbca1d1b59ea46

  • SHA256

    c519ce4b04daef5b05f65776649e70f87545807fff4b5595e716cc601fb38eb6

  • SHA512

    26bd625326b0b3d5d7e15b869d75975c69d72d0b884bd4f1528dfe737a85b7b969a7335bd307bd9a447917e254656eea9cc11231ef938b322fee39510db2a56d

  • SSDEEP

    12288:LzORStC06lt5MuLD/R6FCtnd74ELgHsFKg5lp8aG8mFT/+AgidpiJ:LzOEC045MM//9WHE5/NG5Hgape

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 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Request for Quotation_TRT10102025_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Request for Quotation_TRT10102025_pdf.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2096
    • C:\Users\Admin\AppData\Local\Temp\Request for Quotation_TRT10102025_pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Request for Quotation_TRT10102025_pdf.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:5020
  • C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
    "C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ua /installsource scheduler
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1524

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsr8A7E.tmp\System.dll

    Filesize

    11KB

    MD5

    3f176d1ee13b0d7d6bd92e1c7a0b9bae

    SHA1

    fe582246792774c2c9dd15639ffa0aca90d6fd0b

    SHA256

    fa4ab1d6f79fd677433a31ada7806373a789d34328da46ccb0449bbf347bd73e

    SHA512

    0a69124819b7568d0dea4e9e85ce8fe61c7ba697c934e3a95e2dcfb9f252b1d9da7faf8774b6e8efd614885507acc94987733eba09a2f5e7098b774dfc8524b6

  • memory/2096-15-0x0000000002C00000-0x0000000004E21000-memory.dmp

    Filesize

    34.1MB

  • memory/2096-16-0x0000000076EE1000-0x0000000077001000-memory.dmp

    Filesize

    1.1MB

  • memory/2096-17-0x0000000002C00000-0x0000000004E21000-memory.dmp

    Filesize

    34.1MB

  • memory/2096-18-0x0000000010004000-0x0000000010005000-memory.dmp

    Filesize

    4KB

  • memory/2096-20-0x0000000002C00000-0x0000000004E21000-memory.dmp

    Filesize

    34.1MB

  • memory/5020-21-0x0000000001720000-0x0000000003941000-memory.dmp

    Filesize

    34.1MB

  • memory/5020-29-0x00000000004C0000-0x0000000001714000-memory.dmp

    Filesize

    18.3MB

  • memory/5020-36-0x0000000001720000-0x0000000003941000-memory.dmp

    Filesize

    34.1MB

  • memory/5020-37-0x00000000004C0000-0x0000000001714000-memory.dmp

    Filesize

    18.3MB

  • memory/5020-38-0x0000000001720000-0x0000000003941000-memory.dmp

    Filesize

    34.1MB

  • memory/5020-39-0x00000000004C0000-0x0000000000520000-memory.dmp

    Filesize

    384KB

  • memory/5020-40-0x0000000036740000-0x00000000367D6000-memory.dmp

    Filesize

    600KB

  • memory/5020-48-0x0000000036740000-0x00000000367D1000-memory.dmp

    Filesize

    580KB

  • memory/5020-60-0x0000000036740000-0x00000000367D1000-memory.dmp

    Filesize

    580KB

  • memory/5020-98-0x0000000036740000-0x00000000367D1000-memory.dmp

    Filesize

    580KB

  • memory/5020-97-0x0000000036740000-0x00000000367D1000-memory.dmp

    Filesize

    580KB

  • memory/5020-94-0x0000000036740000-0x00000000367D1000-memory.dmp

    Filesize

    580KB

  • memory/5020-92-0x0000000036740000-0x00000000367D1000-memory.dmp

    Filesize

    580KB

  • memory/5020-88-0x0000000036740000-0x00000000367D1000-memory.dmp

    Filesize

    580KB

  • memory/5020-86-0x0000000036740000-0x00000000367D1000-memory.dmp

    Filesize

    580KB

  • memory/5020-84-0x0000000036740000-0x00000000367D1000-memory.dmp

    Filesize

    580KB

  • memory/5020-82-0x0000000036740000-0x00000000367D1000-memory.dmp

    Filesize

    580KB

  • memory/5020-80-0x0000000036740000-0x00000000367D1000-memory.dmp

    Filesize

    580KB

  • memory/5020-78-0x0000000036740000-0x00000000367D1000-memory.dmp

    Filesize

    580KB

  • memory/5020-76-0x0000000036740000-0x00000000367D1000-memory.dmp

    Filesize

    580KB

  • memory/5020-74-0x0000000036740000-0x00000000367D1000-memory.dmp

    Filesize

    580KB

  • memory/5020-72-0x0000000036740000-0x00000000367D1000-memory.dmp

    Filesize

    580KB

  • memory/5020-70-0x0000000036740000-0x00000000367D1000-memory.dmp

    Filesize

    580KB

  • memory/5020-66-0x0000000036740000-0x00000000367D1000-memory.dmp

    Filesize

    580KB

  • memory/5020-64-0x0000000036740000-0x00000000367D1000-memory.dmp

    Filesize

    580KB

  • memory/5020-62-0x0000000036740000-0x00000000367D1000-memory.dmp

    Filesize

    580KB

  • memory/5020-58-0x0000000036740000-0x00000000367D1000-memory.dmp

    Filesize

    580KB

  • memory/5020-56-0x0000000036740000-0x00000000367D1000-memory.dmp

    Filesize

    580KB

  • memory/5020-54-0x0000000036740000-0x00000000367D1000-memory.dmp

    Filesize

    580KB

  • memory/5020-52-0x0000000036740000-0x00000000367D1000-memory.dmp

    Filesize

    580KB

  • memory/5020-50-0x0000000036740000-0x00000000367D1000-memory.dmp

    Filesize

    580KB

  • memory/5020-46-0x0000000036740000-0x00000000367D1000-memory.dmp

    Filesize

    580KB

  • memory/5020-45-0x0000000036740000-0x00000000367D1000-memory.dmp

    Filesize

    580KB

  • memory/5020-100-0x0000000036740000-0x00000000367D1000-memory.dmp

    Filesize

    580KB

  • memory/5020-90-0x0000000036740000-0x00000000367D1000-memory.dmp

    Filesize

    580KB

  • memory/5020-68-0x0000000036740000-0x00000000367D1000-memory.dmp

    Filesize

    580KB

  • memory/5020-42-0x0000000036740000-0x00000000367D1000-memory.dmp

    Filesize

    580KB

  • memory/5020-41-0x0000000036740000-0x00000000367D1000-memory.dmp

    Filesize

    580KB

  • memory/5020-2106-0x00000000343D0000-0x00000000343FC000-memory.dmp

    Filesize

    176KB

  • memory/5020-2107-0x0000000036850000-0x000000003689C000-memory.dmp

    Filesize

    304KB

  • memory/5020-2109-0x0000000036C90000-0x0000000036D70000-memory.dmp

    Filesize

    896KB

  • memory/5020-5134-0x0000000036D90000-0x0000000036DF6000-memory.dmp

    Filesize

    408KB

  • memory/5020-5135-0x0000000037160000-0x0000000037704000-memory.dmp

    Filesize

    5.6MB

  • memory/5020-5136-0x0000000036EC0000-0x0000000036F52000-memory.dmp

    Filesize

    584KB

  • memory/5020-5138-0x0000000037870000-0x0000000037882000-memory.dmp

    Filesize

    72KB

  • memory/5020-5139-0x0000000037890000-0x00000000378E0000-memory.dmp

    Filesize

    320KB