Analysis

  • max time kernel
    149s
  • max time network
    146s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250210-en
  • resource tags

    arch:x64arch:x86image:win11-20250210-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    11-02-2025 07:10

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.

  • Downloads MZ/PE file 1 IoCs
  • 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 35 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.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • 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\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:4628
    • 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:5072
  • C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
    "C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PG9lbSBwcm9kdWN0X21hbnVmYWN0dXJlcj0iIiBwcm9kdWN0X25hbWU9IiIvPjxleHAgZXRhZz0iJnF1b3Q7RSt4YkF6Nlk2c1UxMjg5YlM2cWw0VlJMYmtqZkJVR1RNSnNqckhyNDRpST0mcXVvdDsiLz48YXBwIGFwcGlkPSJ7OEE2OUQzNDUtRDU2NC00NjNjLUFGRjEtQTY5RDlFNTMwRjk2fSIgdmVyc2lvbj0iMTIzLjAuNjMxMi4xMjMiIG5leHR2ZXJzaW9uPSIiIGxhbmc9ImVuIiBicmFuZD0iR0dMUyIgY2xpZW50PSIiIGluc3RhbGxhZ2U9IjAiIGluc3RhbGxkYXRldGltZT0iMTczOTE4NDA0OCIgb29iZV9pbnN0YWxsX3RpbWU9IjEzMzgzNjU1NTg2OTkzMDAwMCI-PGV2ZW50IGV2ZW50dHlwZT0iMzEiIGV2ZW50cmVzdWx0PSIxIiBlcnJvcmNvZGU9IjAiIGV4dHJhY29kZTE9IjIxNzk4NjIiIHN5c3RlbV91cHRpbWVfdGlja3M9IjUxNDcwMTE5MTYiLz48L2FwcD48L3JlcXVlc3Q-
    1⤵
    • System Location Discovery: System Language Discovery
    • System Network Configuration Discovery: Internet Connection Discovery
    PID:4192

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\nse6BF9.tmp\System.dll

    Filesize

    11KB

    MD5

    3f176d1ee13b0d7d6bd92e1c7a0b9bae

    SHA1

    fe582246792774c2c9dd15639ffa0aca90d6fd0b

    SHA256

    fa4ab1d6f79fd677433a31ada7806373a789d34328da46ccb0449bbf347bd73e

    SHA512

    0a69124819b7568d0dea4e9e85ce8fe61c7ba697c934e3a95e2dcfb9f252b1d9da7faf8774b6e8efd614885507acc94987733eba09a2f5e7098b774dfc8524b6

  • memory/4628-15-0x0000000002A30000-0x0000000004C51000-memory.dmp

    Filesize

    34.1MB

  • memory/4628-16-0x00007FFC9DEC1000-0x00007FFC9DFEA000-memory.dmp

    Filesize

    1.2MB

  • memory/4628-17-0x00007FFC9DEC0000-0x00007FFC9E0C9000-memory.dmp

    Filesize

    2.0MB

  • memory/4628-18-0x0000000002A30000-0x0000000004C51000-memory.dmp

    Filesize

    34.1MB

  • memory/4628-21-0x0000000002A30000-0x0000000004C51000-memory.dmp

    Filesize

    34.1MB

  • memory/5072-20-0x00007FFC9DEC0000-0x00007FFC9E0C9000-memory.dmp

    Filesize

    2.0MB

  • memory/5072-25-0x00000000004C0000-0x00000000017D7000-memory.dmp

    Filesize

    19.1MB

  • memory/5072-32-0x00007FFC9DEC0000-0x00007FFC9E0C9000-memory.dmp

    Filesize

    2.0MB

  • memory/5072-38-0x00000000004C0000-0x00000000017D7000-memory.dmp

    Filesize

    19.1MB

  • memory/5072-40-0x00000000004C0000-0x0000000000520000-memory.dmp

    Filesize

    384KB

  • memory/5072-39-0x00000000017E0000-0x0000000003A01000-memory.dmp

    Filesize

    34.1MB

  • memory/5072-41-0x0000000034770000-0x0000000034806000-memory.dmp

    Filesize

    600KB

  • memory/5072-75-0x0000000034770000-0x0000000034801000-memory.dmp

    Filesize

    580KB

  • memory/5072-81-0x0000000034770000-0x0000000034801000-memory.dmp

    Filesize

    580KB

  • memory/5072-99-0x0000000034770000-0x0000000034801000-memory.dmp

    Filesize

    580KB

  • memory/5072-97-0x0000000034770000-0x0000000034801000-memory.dmp

    Filesize

    580KB

  • memory/5072-95-0x0000000034770000-0x0000000034801000-memory.dmp

    Filesize

    580KB

  • memory/5072-93-0x0000000034770000-0x0000000034801000-memory.dmp

    Filesize

    580KB

  • memory/5072-91-0x0000000034770000-0x0000000034801000-memory.dmp

    Filesize

    580KB

  • memory/5072-87-0x0000000034770000-0x0000000034801000-memory.dmp

    Filesize

    580KB

  • memory/5072-85-0x0000000034770000-0x0000000034801000-memory.dmp

    Filesize

    580KB

  • memory/5072-79-0x0000000034770000-0x0000000034801000-memory.dmp

    Filesize

    580KB

  • memory/5072-77-0x0000000034770000-0x0000000034801000-memory.dmp

    Filesize

    580KB

  • memory/5072-73-0x0000000034770000-0x0000000034801000-memory.dmp

    Filesize

    580KB

  • memory/5072-71-0x0000000034770000-0x0000000034801000-memory.dmp

    Filesize

    580KB

  • memory/5072-70-0x0000000034770000-0x0000000034801000-memory.dmp

    Filesize

    580KB

  • memory/5072-67-0x0000000034770000-0x0000000034801000-memory.dmp

    Filesize

    580KB

  • memory/5072-65-0x0000000034770000-0x0000000034801000-memory.dmp

    Filesize

    580KB

  • memory/5072-63-0x0000000034770000-0x0000000034801000-memory.dmp

    Filesize

    580KB

  • memory/5072-62-0x0000000034770000-0x0000000034801000-memory.dmp

    Filesize

    580KB

  • memory/5072-59-0x0000000034770000-0x0000000034801000-memory.dmp

    Filesize

    580KB

  • memory/5072-57-0x0000000034770000-0x0000000034801000-memory.dmp

    Filesize

    580KB

  • memory/5072-55-0x0000000034770000-0x0000000034801000-memory.dmp

    Filesize

    580KB

  • memory/5072-53-0x0000000034770000-0x0000000034801000-memory.dmp

    Filesize

    580KB

  • memory/5072-51-0x0000000034770000-0x0000000034801000-memory.dmp

    Filesize

    580KB

  • memory/5072-49-0x0000000034770000-0x0000000034801000-memory.dmp

    Filesize

    580KB

  • memory/5072-45-0x0000000034770000-0x0000000034801000-memory.dmp

    Filesize

    580KB

  • memory/5072-43-0x0000000034770000-0x0000000034801000-memory.dmp

    Filesize

    580KB

  • memory/5072-89-0x0000000034770000-0x0000000034801000-memory.dmp

    Filesize

    580KB

  • memory/5072-83-0x0000000034770000-0x0000000034801000-memory.dmp

    Filesize

    580KB

  • memory/5072-47-0x0000000034770000-0x0000000034801000-memory.dmp

    Filesize

    580KB

  • memory/5072-42-0x0000000034770000-0x0000000034801000-memory.dmp

    Filesize

    580KB

  • memory/5072-2106-0x0000000034110000-0x000000003413C000-memory.dmp

    Filesize

    176KB

  • memory/5072-2107-0x00000000369D0000-0x0000000036A1C000-memory.dmp

    Filesize

    304KB

  • memory/5072-2113-0x0000000036BF0000-0x0000000036CD0000-memory.dmp

    Filesize

    896KB

  • memory/5072-5139-0x0000000036D20000-0x0000000036D86000-memory.dmp

    Filesize

    408KB

  • memory/5072-5140-0x00000000370F0000-0x0000000037696000-memory.dmp

    Filesize

    5.6MB

  • memory/5072-5141-0x0000000036E30000-0x0000000036EC2000-memory.dmp

    Filesize

    584KB

  • memory/5072-5142-0x00000000377E0000-0x00000000377F2000-memory.dmp

    Filesize

    72KB

  • memory/5072-5143-0x00000000379D0000-0x0000000037A20000-memory.dmp

    Filesize

    320KB