Analysis

  • max time kernel
    98s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-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 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
  • 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 4 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:1872
    • 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:3244

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsp6D22.tmp\System.dll

    Filesize

    11KB

    MD5

    ee260c45e97b62a5e42f17460d406068

    SHA1

    df35f6300a03c4d3d3bd69752574426296b78695

    SHA256

    e94a1f7bcd7e0d532b660d0af468eb3321536c3efdca265e61f9ec174b1aef27

    SHA512

    a98f350d17c9057f33e5847462a87d59cbf2aaeda7f6299b0d49bb455e484ce4660c12d2eb8c4a0d21df523e729222bbd6c820bf25b081bc7478152515b414b3

  • memory/1872-28-0x0000000077021000-0x0000000077141000-memory.dmp

    Filesize

    1.1MB

  • memory/1872-30-0x0000000010004000-0x0000000010005000-memory.dmp

    Filesize

    4KB

  • memory/1872-29-0x0000000077021000-0x0000000077141000-memory.dmp

    Filesize

    1.1MB

  • memory/3244-31-0x00000000016E0000-0x0000000005651000-memory.dmp

    Filesize

    63.4MB

  • memory/3244-32-0x00000000770A8000-0x00000000770A9000-memory.dmp

    Filesize

    4KB

  • memory/3244-33-0x00000000770C5000-0x00000000770C6000-memory.dmp

    Filesize

    4KB

  • memory/3244-34-0x0000000000480000-0x00000000016D4000-memory.dmp

    Filesize

    18.3MB

  • memory/3244-48-0x0000000077021000-0x0000000077141000-memory.dmp

    Filesize

    1.1MB

  • memory/3244-47-0x0000000000480000-0x00000000016D4000-memory.dmp

    Filesize

    18.3MB

  • memory/3244-50-0x0000000071F1E000-0x0000000071F1F000-memory.dmp

    Filesize

    4KB

  • memory/3244-49-0x00000000016E0000-0x0000000005651000-memory.dmp

    Filesize

    63.4MB

  • memory/3244-51-0x0000000000480000-0x00000000004E0000-memory.dmp

    Filesize

    384KB

  • memory/3244-52-0x00000000361E0000-0x0000000036276000-memory.dmp

    Filesize

    600KB

  • memory/3244-53-0x0000000071F10000-0x00000000726C0000-memory.dmp

    Filesize

    7.7MB

  • memory/3244-54-0x00000000361E0000-0x0000000036271000-memory.dmp

    Filesize

    580KB

  • memory/3244-79-0x00000000361E0000-0x0000000036271000-memory.dmp

    Filesize

    580KB

  • memory/3244-73-0x00000000361E0000-0x0000000036271000-memory.dmp

    Filesize

    580KB

  • memory/3244-109-0x00000000361E0000-0x0000000036271000-memory.dmp

    Filesize

    580KB

  • memory/3244-113-0x00000000361E0000-0x0000000036271000-memory.dmp

    Filesize

    580KB

  • memory/3244-111-0x00000000361E0000-0x0000000036271000-memory.dmp

    Filesize

    580KB

  • memory/3244-107-0x00000000361E0000-0x0000000036271000-memory.dmp

    Filesize

    580KB

  • memory/3244-105-0x00000000361E0000-0x0000000036271000-memory.dmp

    Filesize

    580KB

  • memory/3244-104-0x00000000361E0000-0x0000000036271000-memory.dmp

    Filesize

    580KB

  • memory/3244-101-0x00000000361E0000-0x0000000036271000-memory.dmp

    Filesize

    580KB

  • memory/3244-99-0x00000000361E0000-0x0000000036271000-memory.dmp

    Filesize

    580KB

  • memory/3244-97-0x00000000361E0000-0x0000000036271000-memory.dmp

    Filesize

    580KB

  • memory/3244-95-0x00000000361E0000-0x0000000036271000-memory.dmp

    Filesize

    580KB

  • memory/3244-93-0x00000000361E0000-0x0000000036271000-memory.dmp

    Filesize

    580KB

  • memory/3244-91-0x00000000361E0000-0x0000000036271000-memory.dmp

    Filesize

    580KB

  • memory/3244-89-0x00000000361E0000-0x0000000036271000-memory.dmp

    Filesize

    580KB

  • memory/3244-87-0x00000000361E0000-0x0000000036271000-memory.dmp

    Filesize

    580KB

  • memory/3244-85-0x00000000361E0000-0x0000000036271000-memory.dmp

    Filesize

    580KB

  • memory/3244-83-0x00000000361E0000-0x0000000036271000-memory.dmp

    Filesize

    580KB

  • memory/3244-81-0x00000000361E0000-0x0000000036271000-memory.dmp

    Filesize

    580KB

  • memory/3244-77-0x00000000361E0000-0x0000000036271000-memory.dmp

    Filesize

    580KB

  • memory/3244-75-0x00000000361E0000-0x0000000036271000-memory.dmp

    Filesize

    580KB

  • memory/3244-71-0x00000000361E0000-0x0000000036271000-memory.dmp

    Filesize

    580KB

  • memory/3244-69-0x00000000361E0000-0x0000000036271000-memory.dmp

    Filesize

    580KB

  • memory/3244-68-0x00000000361E0000-0x0000000036271000-memory.dmp

    Filesize

    580KB

  • memory/3244-65-0x00000000361E0000-0x0000000036271000-memory.dmp

    Filesize

    580KB

  • memory/3244-63-0x00000000361E0000-0x0000000036271000-memory.dmp

    Filesize

    580KB

  • memory/3244-61-0x00000000361E0000-0x0000000036271000-memory.dmp

    Filesize

    580KB

  • memory/3244-59-0x00000000361E0000-0x0000000036271000-memory.dmp

    Filesize

    580KB

  • memory/3244-57-0x00000000361E0000-0x0000000036271000-memory.dmp

    Filesize

    580KB

  • memory/3244-55-0x00000000361E0000-0x0000000036271000-memory.dmp

    Filesize

    580KB

  • memory/3244-2119-0x0000000035C70000-0x0000000035C9C000-memory.dmp

    Filesize

    176KB

  • memory/3244-2120-0x0000000038550000-0x000000003859C000-memory.dmp

    Filesize

    304KB

  • memory/3244-2121-0x0000000038760000-0x0000000038840000-memory.dmp

    Filesize

    896KB

  • memory/3244-2691-0x0000000071F1E000-0x0000000071F1F000-memory.dmp

    Filesize

    4KB

  • memory/3244-3701-0x0000000071F10000-0x00000000726C0000-memory.dmp

    Filesize

    7.7MB

  • memory/3244-5149-0x0000000038920000-0x0000000038986000-memory.dmp

    Filesize

    408KB

  • memory/3244-5150-0x0000000038C70000-0x0000000039214000-memory.dmp

    Filesize

    5.6MB

  • memory/3244-5151-0x00000000389D0000-0x0000000038A62000-memory.dmp

    Filesize

    584KB

  • memory/3244-5152-0x00000000396B0000-0x00000000396C2000-memory.dmp

    Filesize

    72KB

  • memory/3244-5153-0x00000000396F0000-0x0000000039740000-memory.dmp

    Filesize

    320KB

  • memory/3244-5154-0x0000000071F10000-0x00000000726C0000-memory.dmp

    Filesize

    7.7MB

  • memory/3244-5156-0x0000000071F10000-0x00000000726C0000-memory.dmp

    Filesize

    7.7MB

  • memory/3244-5160-0x0000000071F10000-0x00000000726C0000-memory.dmp

    Filesize

    7.7MB