Analysis

  • max time kernel
    88s
  • max time network
    91s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22/02/2025, 05:24

General

  • Target

    af8e57ed5182d36cb286d0f78decf864a647b3ee9229a4c088ce6fdae7dd033f.exe

  • Size

    1.1MB

  • MD5

    aaeb168f536f194dcefe167cbc29608f

  • SHA1

    480b2d84cdbcafc808691c1242eb993e79f49c2d

  • SHA256

    af8e57ed5182d36cb286d0f78decf864a647b3ee9229a4c088ce6fdae7dd033f

  • SHA512

    62ad76a030281ffcc417bed919b4e9be364afa6d6523c54120dab0107c3b5075461dd2f04cbc6279e33f616b20bac79db59e8e7e81a41409a9a803e09c4c92d1

  • SSDEEP

    24576:nghHxIC8vJfFsjq5c3SddFDykNTwdQG9ikb:y+LvJNl5kSdzDPwZiE

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 2 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\af8e57ed5182d36cb286d0f78decf864a647b3ee9229a4c088ce6fdae7dd033f.exe
    "C:\Users\Admin\AppData\Local\Temp\af8e57ed5182d36cb286d0f78decf864a647b3ee9229a4c088ce6fdae7dd033f.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:2656
    • C:\Users\Admin\AppData\Local\Temp\af8e57ed5182d36cb286d0f78decf864a647b3ee9229a4c088ce6fdae7dd033f.exe
      "C:\Users\Admin\AppData\Local\Temp\af8e57ed5182d36cb286d0f78decf864a647b3ee9229a4c088ce6fdae7dd033f.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:2352

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\nso5967.tmp\System.dll

    Filesize

    11KB

    MD5

    ee260c45e97b62a5e42f17460d406068

    SHA1

    df35f6300a03c4d3d3bd69752574426296b78695

    SHA256

    e94a1f7bcd7e0d532b660d0af468eb3321536c3efdca265e61f9ec174b1aef27

    SHA512

    a98f350d17c9057f33e5847462a87d59cbf2aaeda7f6299b0d49bb455e484ce4660c12d2eb8c4a0d21df523e729222bbd6c820bf25b081bc7478152515b414b3

  • memory/2352-74-0x0000000035E90000-0x0000000035F21000-memory.dmp

    Filesize

    580KB

  • memory/2352-84-0x0000000035E90000-0x0000000035F21000-memory.dmp

    Filesize

    580KB

  • memory/2352-86-0x0000000035E90000-0x0000000035F21000-memory.dmp

    Filesize

    580KB

  • memory/2352-32-0x0000000077500000-0x00000000776A9000-memory.dmp

    Filesize

    1.7MB

  • memory/2352-33-0x0000000000480000-0x00000000014E2000-memory.dmp

    Filesize

    16.4MB

  • memory/2352-57-0x0000000000480000-0x00000000014E2000-memory.dmp

    Filesize

    16.4MB

  • memory/2352-58-0x00000000014F0000-0x0000000005461000-memory.dmp

    Filesize

    63.4MB

  • memory/2352-59-0x0000000000480000-0x00000000004E0000-memory.dmp

    Filesize

    384KB

  • memory/2352-60-0x0000000035E90000-0x0000000035F26000-memory.dmp

    Filesize

    600KB

  • memory/2352-76-0x0000000035E90000-0x0000000035F21000-memory.dmp

    Filesize

    580KB

  • memory/2352-61-0x0000000035E90000-0x0000000035F21000-memory.dmp

    Filesize

    580KB

  • memory/2352-62-0x0000000035E90000-0x0000000035F21000-memory.dmp

    Filesize

    580KB

  • memory/2352-104-0x0000000035E90000-0x0000000035F21000-memory.dmp

    Filesize

    580KB

  • memory/2352-118-0x0000000035E90000-0x0000000035F21000-memory.dmp

    Filesize

    580KB

  • memory/2352-64-0x0000000035E90000-0x0000000035F21000-memory.dmp

    Filesize

    580KB

  • memory/2352-66-0x0000000035E90000-0x0000000035F21000-memory.dmp

    Filesize

    580KB

  • memory/2352-68-0x0000000035E90000-0x0000000035F21000-memory.dmp

    Filesize

    580KB

  • memory/2352-70-0x0000000035E90000-0x0000000035F21000-memory.dmp

    Filesize

    580KB

  • memory/2352-72-0x0000000035E90000-0x0000000035F21000-memory.dmp

    Filesize

    580KB

  • memory/2352-2130-0x0000000038B20000-0x0000000038C00000-memory.dmp

    Filesize

    896KB

  • memory/2352-2126-0x0000000036010000-0x000000003605C000-memory.dmp

    Filesize

    304KB

  • memory/2352-78-0x0000000035E90000-0x0000000035F21000-memory.dmp

    Filesize

    580KB

  • memory/2352-31-0x00000000014F0000-0x0000000005461000-memory.dmp

    Filesize

    63.4MB

  • memory/2352-116-0x0000000035E90000-0x0000000035F21000-memory.dmp

    Filesize

    580KB

  • memory/2352-114-0x0000000035E90000-0x0000000035F21000-memory.dmp

    Filesize

    580KB

  • memory/2352-112-0x0000000035E90000-0x0000000035F21000-memory.dmp

    Filesize

    580KB

  • memory/2352-110-0x0000000035E90000-0x0000000035F21000-memory.dmp

    Filesize

    580KB

  • memory/2352-108-0x0000000035E90000-0x0000000035F21000-memory.dmp

    Filesize

    580KB

  • memory/2352-106-0x0000000035E90000-0x0000000035F21000-memory.dmp

    Filesize

    580KB

  • memory/2352-102-0x0000000035E90000-0x0000000035F21000-memory.dmp

    Filesize

    580KB

  • memory/2352-100-0x0000000035E90000-0x0000000035F21000-memory.dmp

    Filesize

    580KB

  • memory/2352-98-0x0000000035E90000-0x0000000035F21000-memory.dmp

    Filesize

    580KB

  • memory/2352-96-0x0000000035E90000-0x0000000035F21000-memory.dmp

    Filesize

    580KB

  • memory/2352-94-0x0000000035E90000-0x0000000035F21000-memory.dmp

    Filesize

    580KB

  • memory/2352-92-0x0000000035E90000-0x0000000035F21000-memory.dmp

    Filesize

    580KB

  • memory/2352-90-0x0000000035E90000-0x0000000035F21000-memory.dmp

    Filesize

    580KB

  • memory/2352-88-0x0000000035E90000-0x0000000035F21000-memory.dmp

    Filesize

    580KB

  • memory/2352-82-0x0000000035E90000-0x0000000035F21000-memory.dmp

    Filesize

    580KB

  • memory/2352-80-0x0000000035E90000-0x0000000035F21000-memory.dmp

    Filesize

    580KB

  • memory/2352-2125-0x0000000035730000-0x000000003575C000-memory.dmp

    Filesize

    176KB

  • memory/2656-29-0x0000000077501000-0x0000000077602000-memory.dmp

    Filesize

    1.0MB

  • memory/2656-30-0x0000000077500000-0x00000000776A9000-memory.dmp

    Filesize

    1.7MB