Analysis

  • max time kernel
    93s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    17-02-2025 12:00

General

  • Target

    Payment_SwiftCopy_TXR077901844095342_pdf.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 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\Payment_SwiftCopy_TXR077901844095342_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment_SwiftCopy_TXR077901844095342_pdf.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1496
    • C:\Users\Admin\AppData\Local\Temp\Payment_SwiftCopy_TXR077901844095342_pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Payment_SwiftCopy_TXR077901844095342_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:2800

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\nso60B7.tmp\System.dll

    Filesize

    11KB

    MD5

    3f176d1ee13b0d7d6bd92e1c7a0b9bae

    SHA1

    fe582246792774c2c9dd15639ffa0aca90d6fd0b

    SHA256

    fa4ab1d6f79fd677433a31ada7806373a789d34328da46ccb0449bbf347bd73e

    SHA512

    0a69124819b7568d0dea4e9e85ce8fe61c7ba697c934e3a95e2dcfb9f252b1d9da7faf8774b6e8efd614885507acc94987733eba09a2f5e7098b774dfc8524b6

  • memory/1496-17-0x00000000031C0000-0x0000000003C3C000-memory.dmp

    Filesize

    10.5MB

  • memory/1496-18-0x00000000776A1000-0x00000000777A2000-memory.dmp

    Filesize

    1.0MB

  • memory/1496-19-0x00000000776A0000-0x0000000077849000-memory.dmp

    Filesize

    1.7MB

  • memory/2800-20-0x0000000001530000-0x0000000001FAC000-memory.dmp

    Filesize

    10.5MB

  • memory/2800-21-0x00000000776A0000-0x0000000077849000-memory.dmp

    Filesize

    1.7MB

  • memory/2800-41-0x00000000004C0000-0x0000000001522000-memory.dmp

    Filesize

    16.4MB

  • memory/2800-42-0x0000000001530000-0x0000000001FAC000-memory.dmp

    Filesize

    10.5MB

  • memory/2800-43-0x00000000004C0000-0x0000000000520000-memory.dmp

    Filesize

    384KB

  • memory/2800-44-0x0000000035590000-0x0000000035626000-memory.dmp

    Filesize

    600KB

  • memory/2800-45-0x0000000035590000-0x0000000035621000-memory.dmp

    Filesize

    580KB

  • memory/2800-48-0x0000000035590000-0x0000000035621000-memory.dmp

    Filesize

    580KB

  • memory/2800-72-0x0000000035590000-0x0000000035621000-memory.dmp

    Filesize

    580KB

  • memory/2800-96-0x0000000035590000-0x0000000035621000-memory.dmp

    Filesize

    580KB

  • memory/2800-46-0x0000000035590000-0x0000000035621000-memory.dmp

    Filesize

    580KB

  • memory/2800-104-0x0000000035590000-0x0000000035621000-memory.dmp

    Filesize

    580KB

  • memory/2800-102-0x0000000035590000-0x0000000035621000-memory.dmp

    Filesize

    580KB

  • memory/2800-100-0x0000000035590000-0x0000000035621000-memory.dmp

    Filesize

    580KB

  • memory/2800-98-0x0000000035590000-0x0000000035621000-memory.dmp

    Filesize

    580KB

  • memory/2800-94-0x0000000035590000-0x0000000035621000-memory.dmp

    Filesize

    580KB

  • memory/2800-92-0x0000000035590000-0x0000000035621000-memory.dmp

    Filesize

    580KB

  • memory/2800-90-0x0000000035590000-0x0000000035621000-memory.dmp

    Filesize

    580KB

  • memory/2800-89-0x0000000035590000-0x0000000035621000-memory.dmp

    Filesize

    580KB

  • memory/2800-86-0x0000000035590000-0x0000000035621000-memory.dmp

    Filesize

    580KB

  • memory/2800-84-0x0000000035590000-0x0000000035621000-memory.dmp

    Filesize

    580KB

  • memory/2800-82-0x0000000035590000-0x0000000035621000-memory.dmp

    Filesize

    580KB

  • memory/2800-80-0x0000000035590000-0x0000000035621000-memory.dmp

    Filesize

    580KB

  • memory/2800-78-0x0000000035590000-0x0000000035621000-memory.dmp

    Filesize

    580KB

  • memory/2800-76-0x0000000035590000-0x0000000035621000-memory.dmp

    Filesize

    580KB

  • memory/2800-74-0x0000000035590000-0x0000000035621000-memory.dmp

    Filesize

    580KB

  • memory/2800-70-0x0000000035590000-0x0000000035621000-memory.dmp

    Filesize

    580KB

  • memory/2800-68-0x0000000035590000-0x0000000035621000-memory.dmp

    Filesize

    580KB

  • memory/2800-66-0x0000000035590000-0x0000000035621000-memory.dmp

    Filesize

    580KB

  • memory/2800-64-0x0000000035590000-0x0000000035621000-memory.dmp

    Filesize

    580KB

  • memory/2800-62-0x0000000035590000-0x0000000035621000-memory.dmp

    Filesize

    580KB

  • memory/2800-60-0x0000000035590000-0x0000000035621000-memory.dmp

    Filesize

    580KB

  • memory/2800-58-0x0000000035590000-0x0000000035621000-memory.dmp

    Filesize

    580KB

  • memory/2800-56-0x0000000035590000-0x0000000035621000-memory.dmp

    Filesize

    580KB

  • memory/2800-54-0x0000000035590000-0x0000000035621000-memory.dmp

    Filesize

    580KB

  • memory/2800-52-0x0000000035590000-0x0000000035621000-memory.dmp

    Filesize

    580KB

  • memory/2800-50-0x0000000035590000-0x0000000035621000-memory.dmp

    Filesize

    580KB

  • memory/2800-2110-0x00000000776A0000-0x0000000077849000-memory.dmp

    Filesize

    1.7MB

  • memory/2800-2111-0x0000000032E10000-0x0000000032E3C000-memory.dmp

    Filesize

    176KB

  • memory/2800-2112-0x00000000356A0000-0x00000000356EC000-memory.dmp

    Filesize

    304KB

  • memory/2800-2113-0x0000000035AC0000-0x0000000035BA0000-memory.dmp

    Filesize

    896KB