Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    25/02/2025, 00:29

General

  • Target

    BANK SLIP_TT COPY_0300773456864-2-18-2024_pdf.exe

  • Size

    1.1MB

  • MD5

    9128969e93ac57f522abc5227578cddb

  • SHA1

    5cb95261c1ed942db7907fd4a20c1af9ed919435

  • SHA256

    cb4256d0f27ba049bb573a28922aff4011277a69a5f1804915c90988c5795cf9

  • SHA512

    6c6ae3694b4e54cc809b4c8d780e1857ad975c31c80dd4a8e4d73e83c094b81d0fbcf4995dda166f97c860e99c772e3d2d207936c0aa0fe2f3b9c5616a198152

  • SSDEEP

    24576:BFiUSSXR5LCSANglv5Fsjq5c3SddFDykNTwdQG9ikd:6Z0H3l5kSdzDPwZi8

Malware Config

Signatures

  • Guloader family
  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Loads dropped DLL 1 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 3 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Drops file in Program Files directory 1 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\BANK SLIP_TT COPY_0300773456864-2-18-2024_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\BANK SLIP_TT COPY_0300773456864-2-18-2024_pdf.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2376
    • C:\Users\Admin\AppData\Local\Temp\BANK SLIP_TT COPY_0300773456864-2-18-2024_pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\BANK SLIP_TT COPY_0300773456864-2-18-2024_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:1488

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\nso9BE3.tmp\System.dll

    Filesize

    11KB

    MD5

    ee260c45e97b62a5e42f17460d406068

    SHA1

    df35f6300a03c4d3d3bd69752574426296b78695

    SHA256

    e94a1f7bcd7e0d532b660d0af468eb3321536c3efdca265e61f9ec174b1aef27

    SHA512

    a98f350d17c9057f33e5847462a87d59cbf2aaeda7f6299b0d49bb455e484ce4660c12d2eb8c4a0d21df523e729222bbd6c820bf25b081bc7478152515b414b3

  • memory/1488-104-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/1488-84-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/1488-2127-0x0000000037260000-0x0000000037340000-memory.dmp

    Filesize

    896KB

  • memory/1488-34-0x0000000077070000-0x0000000077219000-memory.dmp

    Filesize

    1.7MB

  • memory/1488-61-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/1488-32-0x00000000014F0000-0x0000000003DBB000-memory.dmp

    Filesize

    40.8MB

  • memory/1488-35-0x0000000000480000-0x00000000014E2000-memory.dmp

    Filesize

    16.4MB

  • memory/1488-57-0x0000000000480000-0x00000000014E2000-memory.dmp

    Filesize

    16.4MB

  • memory/1488-59-0x0000000000480000-0x00000000004E0000-memory.dmp

    Filesize

    384KB

  • memory/1488-58-0x00000000014F0000-0x0000000003DBB000-memory.dmp

    Filesize

    40.8MB

  • memory/1488-60-0x0000000037050000-0x00000000370E8000-memory.dmp

    Filesize

    608KB

  • memory/1488-64-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/1488-118-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/1488-116-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/1488-114-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/1488-2126-0x00000000348E0000-0x000000003492C000-memory.dmp

    Filesize

    304KB

  • memory/1488-2125-0x0000000033C30000-0x0000000033C5C000-memory.dmp

    Filesize

    176KB

  • memory/1488-112-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/1488-110-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/1488-108-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/1488-102-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/1488-62-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/1488-66-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/1488-100-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/1488-98-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/1488-96-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/1488-94-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/1488-92-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/1488-90-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/1488-88-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/1488-86-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/1488-106-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/1488-82-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/1488-80-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/1488-78-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/1488-76-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/1488-74-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/1488-72-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/1488-70-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/1488-68-0x0000000037050000-0x00000000370E2000-memory.dmp

    Filesize

    584KB

  • memory/2376-29-0x0000000002CC0000-0x000000000558B000-memory.dmp

    Filesize

    40.8MB

  • memory/2376-30-0x0000000077071000-0x0000000077172000-memory.dmp

    Filesize

    1.0MB

  • memory/2376-33-0x0000000002CC0000-0x000000000558B000-memory.dmp

    Filesize

    40.8MB

  • memory/2376-31-0x0000000077070000-0x0000000077219000-memory.dmp

    Filesize

    1.7MB