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Analysis

  • max time kernel
    121s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    11/02/2025, 17:30

General

  • Target

    Request for Quotation.exe

  • Size

    1.0MB

  • MD5

    3d638b12dd95e2fff1c99065066e737d

  • SHA1

    882991b2c481bc5692ea2a190e13d67a622a8897

  • SHA256

    c3d0d812c6ff22f5202b68c5635693506887d26ee57e4455a4b939262849a0fa

  • SHA512

    3c273a63706d442087295fa0709d0f0f029b038a1d65cd3131ac70b65d5624a696e01d5060cd25ae542dac7e7203965b21e85a1589d240474724e1b2c915f4d9

  • SSDEEP

    12288:LzORStC06lt5yuYwfdtPHiRJWJcqRTP8KiHnIt9b8aG8mFT/+AgidpiC:LzOEC045yZ0PiAjRwnITNG5Hgapl

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 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 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 5 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe
    "C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2956
    • C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe
      "C:\Users\Admin\AppData\Local\Temp\Request for Quotation.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:2208

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\nsyDE3F.tmp\System.dll

    Filesize

    11KB

    MD5

    3f176d1ee13b0d7d6bd92e1c7a0b9bae

    SHA1

    fe582246792774c2c9dd15639ffa0aca90d6fd0b

    SHA256

    fa4ab1d6f79fd677433a31ada7806373a789d34328da46ccb0449bbf347bd73e

    SHA512

    0a69124819b7568d0dea4e9e85ce8fe61c7ba697c934e3a95e2dcfb9f252b1d9da7faf8774b6e8efd614885507acc94987733eba09a2f5e7098b774dfc8524b6

  • memory/2208-80-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/2208-86-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/2208-84-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/2208-20-0x0000000077A80000-0x0000000077C29000-memory.dmp

    Filesize

    1.7MB

  • memory/2208-21-0x00000000004C0000-0x0000000001522000-memory.dmp

    Filesize

    16.4MB

  • memory/2208-42-0x00000000004C0000-0x0000000001522000-memory.dmp

    Filesize

    16.4MB

  • memory/2208-43-0x0000000001530000-0x0000000006325000-memory.dmp

    Filesize

    78.0MB

  • memory/2208-45-0x00000000004C0000-0x0000000000520000-memory.dmp

    Filesize

    384KB

  • memory/2208-46-0x0000000037050000-0x00000000370E8000-memory.dmp

    Filesize

    608KB

  • memory/2208-47-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/2208-48-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/2208-52-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/2208-56-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/2208-62-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/2208-66-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/2208-68-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/2208-70-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/2208-74-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/2208-76-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/2208-2113-0x0000000039A10000-0x0000000039AF0000-memory.dmp

    Filesize

    896KB

  • memory/2208-2112-0x0000000039580000-0x00000000395CC000-memory.dmp

    Filesize

    304KB

  • memory/2208-82-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/2208-19-0x0000000001530000-0x0000000006325000-memory.dmp

    Filesize

    78.0MB

  • memory/2208-78-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/2208-72-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/2208-64-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/2208-60-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/2208-58-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/2208-54-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/2208-50-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/2208-92-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/2208-104-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/2208-88-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/2208-90-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/2208-94-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/2208-102-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/2208-100-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/2208-98-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/2208-96-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/2208-2111-0x0000000036160000-0x000000003618C000-memory.dmp

    Filesize

    176KB

  • memory/2956-18-0x0000000077A80000-0x0000000077C29000-memory.dmp

    Filesize

    1.7MB

  • memory/2956-17-0x0000000077A81000-0x0000000077B82000-memory.dmp

    Filesize

    1.0MB