Analysis

  • max time kernel
    91s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250211-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250211-enlocale:en-usos:windows10-2004-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.

  • 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 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.

  • 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\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:1008
    • 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:3600
  • C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
    "C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI1IiBpbnN0YWxsZGF0ZXRpbWU9IjE3MzkyODM0MTAiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4Mzc1NTUzNjg2NzAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MjE2MjAxMDA4Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
    1⤵
    • System Location Discovery: System Language Discovery
    • System Network Configuration Discovery: Internet Connection Discovery
    PID:1896

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsk125B.tmp\System.dll

    Filesize

    11KB

    MD5

    3f176d1ee13b0d7d6bd92e1c7a0b9bae

    SHA1

    fe582246792774c2c9dd15639ffa0aca90d6fd0b

    SHA256

    fa4ab1d6f79fd677433a31ada7806373a789d34328da46ccb0449bbf347bd73e

    SHA512

    0a69124819b7568d0dea4e9e85ce8fe61c7ba697c934e3a95e2dcfb9f252b1d9da7faf8774b6e8efd614885507acc94987733eba09a2f5e7098b774dfc8524b6

  • memory/1008-15-0x0000000002AA0000-0x000000000351C000-memory.dmp

    Filesize

    10.5MB

  • memory/1008-16-0x0000000077B41000-0x0000000077C61000-memory.dmp

    Filesize

    1.1MB

  • memory/1008-17-0x0000000010004000-0x0000000010005000-memory.dmp

    Filesize

    4KB

  • memory/1008-19-0x0000000002AA0000-0x000000000351C000-memory.dmp

    Filesize

    10.5MB

  • memory/3600-20-0x0000000001720000-0x000000000219C000-memory.dmp

    Filesize

    10.5MB

  • memory/3600-21-0x0000000077BC8000-0x0000000077BC9000-memory.dmp

    Filesize

    4KB

  • memory/3600-22-0x0000000077BE5000-0x0000000077BE6000-memory.dmp

    Filesize

    4KB

  • memory/3600-35-0x0000000001720000-0x000000000219C000-memory.dmp

    Filesize

    10.5MB

  • memory/3600-36-0x00000000004C0000-0x0000000001714000-memory.dmp

    Filesize

    18.3MB

  • memory/3600-37-0x0000000001720000-0x000000000219C000-memory.dmp

    Filesize

    10.5MB

  • memory/3600-38-0x00000000004C0000-0x0000000000520000-memory.dmp

    Filesize

    384KB

  • memory/3600-40-0x0000000034EE0000-0x0000000034F76000-memory.dmp

    Filesize

    600KB

  • memory/3600-41-0x0000000034EE0000-0x0000000034F71000-memory.dmp

    Filesize

    580KB

  • memory/3600-44-0x0000000034EE0000-0x0000000034F71000-memory.dmp

    Filesize

    580KB

  • memory/3600-54-0x0000000034EE0000-0x0000000034F71000-memory.dmp

    Filesize

    580KB

  • memory/3600-98-0x0000000034EE0000-0x0000000034F71000-memory.dmp

    Filesize

    580KB

  • memory/3600-100-0x0000000034EE0000-0x0000000034F71000-memory.dmp

    Filesize

    580KB

  • memory/3600-96-0x0000000034EE0000-0x0000000034F71000-memory.dmp

    Filesize

    580KB

  • memory/3600-94-0x0000000034EE0000-0x0000000034F71000-memory.dmp

    Filesize

    580KB

  • memory/3600-92-0x0000000034EE0000-0x0000000034F71000-memory.dmp

    Filesize

    580KB

  • memory/3600-90-0x0000000034EE0000-0x0000000034F71000-memory.dmp

    Filesize

    580KB

  • memory/3600-88-0x0000000034EE0000-0x0000000034F71000-memory.dmp

    Filesize

    580KB

  • memory/3600-86-0x0000000034EE0000-0x0000000034F71000-memory.dmp

    Filesize

    580KB

  • memory/3600-84-0x0000000034EE0000-0x0000000034F71000-memory.dmp

    Filesize

    580KB

  • memory/3600-82-0x0000000034EE0000-0x0000000034F71000-memory.dmp

    Filesize

    580KB

  • memory/3600-80-0x0000000034EE0000-0x0000000034F71000-memory.dmp

    Filesize

    580KB

  • memory/3600-78-0x0000000034EE0000-0x0000000034F71000-memory.dmp

    Filesize

    580KB

  • memory/3600-74-0x0000000034EE0000-0x0000000034F71000-memory.dmp

    Filesize

    580KB

  • memory/3600-72-0x0000000034EE0000-0x0000000034F71000-memory.dmp

    Filesize

    580KB

  • memory/3600-70-0x0000000034EE0000-0x0000000034F71000-memory.dmp

    Filesize

    580KB

  • memory/3600-68-0x0000000034EE0000-0x0000000034F71000-memory.dmp

    Filesize

    580KB

  • memory/3600-66-0x0000000034EE0000-0x0000000034F71000-memory.dmp

    Filesize

    580KB

  • memory/3600-64-0x0000000034EE0000-0x0000000034F71000-memory.dmp

    Filesize

    580KB

  • memory/3600-61-0x0000000034EE0000-0x0000000034F71000-memory.dmp

    Filesize

    580KB

  • memory/3600-58-0x0000000034EE0000-0x0000000034F71000-memory.dmp

    Filesize

    580KB

  • memory/3600-56-0x0000000034EE0000-0x0000000034F71000-memory.dmp

    Filesize

    580KB

  • memory/3600-52-0x0000000034EE0000-0x0000000034F71000-memory.dmp

    Filesize

    580KB

  • memory/3600-50-0x0000000034EE0000-0x0000000034F71000-memory.dmp

    Filesize

    580KB

  • memory/3600-76-0x0000000034EE0000-0x0000000034F71000-memory.dmp

    Filesize

    580KB

  • memory/3600-62-0x0000000034EE0000-0x0000000034F71000-memory.dmp

    Filesize

    580KB

  • memory/3600-46-0x0000000034EE0000-0x0000000034F71000-memory.dmp

    Filesize

    580KB

  • memory/3600-42-0x0000000034EE0000-0x0000000034F71000-memory.dmp

    Filesize

    580KB

  • memory/3600-48-0x0000000034EE0000-0x0000000034F71000-memory.dmp

    Filesize

    580KB

  • memory/3600-1686-0x0000000077B41000-0x0000000077C61000-memory.dmp

    Filesize

    1.1MB

  • memory/3600-2107-0x0000000032980000-0x00000000329AC000-memory.dmp

    Filesize

    176KB

  • memory/3600-2108-0x0000000035050000-0x000000003509C000-memory.dmp

    Filesize

    304KB

  • memory/3600-2109-0x0000000035260000-0x0000000035340000-memory.dmp

    Filesize

    896KB

  • memory/3600-5134-0x00000000353A0000-0x0000000035406000-memory.dmp

    Filesize

    408KB

  • memory/3600-5136-0x0000000035770000-0x0000000035D14000-memory.dmp

    Filesize

    5.6MB

  • memory/3600-5137-0x00000000354D0000-0x0000000035562000-memory.dmp

    Filesize

    584KB

  • memory/3600-5138-0x00000000361C0000-0x00000000361D2000-memory.dmp

    Filesize

    72KB

  • memory/3600-5139-0x0000000036210000-0x0000000036260000-memory.dmp

    Filesize

    320KB