Analysis

  • max time kernel
    148s
  • max time network
    150s
  • 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, 05:11

General

  • Target

    a2dde989ed71eee2f7038baa6a30cf86abe2d7e2c13985cf4274b6faf102284d.exe

  • Size

    1.1MB

  • MD5

    d7dabe8c3cf0b14d0ee2f761b675f941

  • SHA1

    ecabf3a71f22c5b68a1d173f1725d1fb037af485

  • SHA256

    a2dde989ed71eee2f7038baa6a30cf86abe2d7e2c13985cf4274b6faf102284d

  • SHA512

    a80c1733df4e7ea34be16adcb90cd119b40879b7ef69b66a24c799dce6261b46221e71f243c2c8af6a02d6dea2aa71f2dec3e53029444bbbd0eecfde40a941d4

  • SSDEEP

    24576:3GEzjpoPngDYFsjq5c3SddFDykNTwdQG9ikr:Dz+PnG2l5kSdzDPwZiE

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\a2dde989ed71eee2f7038baa6a30cf86abe2d7e2c13985cf4274b6faf102284d.exe
    "C:\Users\Admin\AppData\Local\Temp\a2dde989ed71eee2f7038baa6a30cf86abe2d7e2c13985cf4274b6faf102284d.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:2952
    • C:\Users\Admin\AppData\Local\Temp\a2dde989ed71eee2f7038baa6a30cf86abe2d7e2c13985cf4274b6faf102284d.exe
      "C:\Users\Admin\AppData\Local\Temp\a2dde989ed71eee2f7038baa6a30cf86abe2d7e2c13985cf4274b6faf102284d.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:4136

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsg8A3F.tmp\System.dll

    Filesize

    11KB

    MD5

    ee260c45e97b62a5e42f17460d406068

    SHA1

    df35f6300a03c4d3d3bd69752574426296b78695

    SHA256

    e94a1f7bcd7e0d532b660d0af468eb3321536c3efdca265e61f9ec174b1aef27

    SHA512

    a98f350d17c9057f33e5847462a87d59cbf2aaeda7f6299b0d49bb455e484ce4660c12d2eb8c4a0d21df523e729222bbd6c820bf25b081bc7478152515b414b3

  • memory/2952-28-0x0000000077E11000-0x0000000077F31000-memory.dmp

    Filesize

    1.1MB

  • memory/2952-29-0x0000000077E11000-0x0000000077F31000-memory.dmp

    Filesize

    1.1MB

  • memory/2952-30-0x0000000010004000-0x0000000010005000-memory.dmp

    Filesize

    4KB

  • memory/4136-31-0x00000000016E0000-0x0000000004ABF000-memory.dmp

    Filesize

    51.9MB

  • memory/4136-32-0x0000000077E98000-0x0000000077E99000-memory.dmp

    Filesize

    4KB

  • memory/4136-33-0x0000000077EB5000-0x0000000077EB6000-memory.dmp

    Filesize

    4KB

  • memory/4136-51-0x0000000077E11000-0x0000000077F31000-memory.dmp

    Filesize

    1.1MB

  • memory/4136-48-0x0000000000480000-0x00000000016D4000-memory.dmp

    Filesize

    18.3MB

  • memory/4136-52-0x0000000000480000-0x00000000004E0000-memory.dmp

    Filesize

    384KB

  • memory/4136-53-0x0000000072D0E000-0x0000000072D0F000-memory.dmp

    Filesize

    4KB

  • memory/4136-54-0x0000000037810000-0x00000000378A6000-memory.dmp

    Filesize

    600KB

  • memory/4136-49-0x00000000016E0000-0x0000000004ABF000-memory.dmp

    Filesize

    51.9MB

  • memory/4136-55-0x0000000072D00000-0x00000000734B0000-memory.dmp

    Filesize

    7.7MB

  • memory/4136-57-0x0000000037810000-0x00000000378A1000-memory.dmp

    Filesize

    580KB

  • memory/4136-59-0x0000000037810000-0x00000000378A1000-memory.dmp

    Filesize

    580KB

  • memory/4136-79-0x0000000037810000-0x00000000378A1000-memory.dmp

    Filesize

    580KB

  • memory/4136-111-0x0000000037810000-0x00000000378A1000-memory.dmp

    Filesize

    580KB

  • memory/4136-115-0x0000000037810000-0x00000000378A1000-memory.dmp

    Filesize

    580KB

  • memory/4136-113-0x0000000037810000-0x00000000378A1000-memory.dmp

    Filesize

    580KB

  • memory/4136-109-0x0000000037810000-0x00000000378A1000-memory.dmp

    Filesize

    580KB

  • memory/4136-107-0x0000000037810000-0x00000000378A1000-memory.dmp

    Filesize

    580KB

  • memory/4136-105-0x0000000037810000-0x00000000378A1000-memory.dmp

    Filesize

    580KB

  • memory/4136-103-0x0000000037810000-0x00000000378A1000-memory.dmp

    Filesize

    580KB

  • memory/4136-101-0x0000000037810000-0x00000000378A1000-memory.dmp

    Filesize

    580KB

  • memory/4136-99-0x0000000037810000-0x00000000378A1000-memory.dmp

    Filesize

    580KB

  • memory/4136-97-0x0000000037810000-0x00000000378A1000-memory.dmp

    Filesize

    580KB

  • memory/4136-95-0x0000000037810000-0x00000000378A1000-memory.dmp

    Filesize

    580KB

  • memory/4136-93-0x0000000037810000-0x00000000378A1000-memory.dmp

    Filesize

    580KB

  • memory/4136-91-0x0000000037810000-0x00000000378A1000-memory.dmp

    Filesize

    580KB

  • memory/4136-89-0x0000000037810000-0x00000000378A1000-memory.dmp

    Filesize

    580KB

  • memory/4136-87-0x0000000037810000-0x00000000378A1000-memory.dmp

    Filesize

    580KB

  • memory/4136-83-0x0000000037810000-0x00000000378A1000-memory.dmp

    Filesize

    580KB

  • memory/4136-81-0x0000000037810000-0x00000000378A1000-memory.dmp

    Filesize

    580KB

  • memory/4136-77-0x0000000037810000-0x00000000378A1000-memory.dmp

    Filesize

    580KB

  • memory/4136-75-0x0000000037810000-0x00000000378A1000-memory.dmp

    Filesize

    580KB

  • memory/4136-71-0x0000000037810000-0x00000000378A1000-memory.dmp

    Filesize

    580KB

  • memory/4136-69-0x0000000037810000-0x00000000378A1000-memory.dmp

    Filesize

    580KB

  • memory/4136-67-0x0000000037810000-0x00000000378A1000-memory.dmp

    Filesize

    580KB

  • memory/4136-65-0x0000000037810000-0x00000000378A1000-memory.dmp

    Filesize

    580KB

  • memory/4136-63-0x0000000037810000-0x00000000378A1000-memory.dmp

    Filesize

    580KB

  • memory/4136-85-0x0000000037810000-0x00000000378A1000-memory.dmp

    Filesize

    580KB

  • memory/4136-61-0x0000000037810000-0x00000000378A1000-memory.dmp

    Filesize

    580KB

  • memory/4136-73-0x0000000037810000-0x00000000378A1000-memory.dmp

    Filesize

    580KB

  • memory/4136-56-0x0000000037810000-0x00000000378A1000-memory.dmp

    Filesize

    580KB

  • memory/4136-2120-0x00000000378B0000-0x00000000378DC000-memory.dmp

    Filesize

    176KB

  • memory/4136-2121-0x0000000037920000-0x000000003796C000-memory.dmp

    Filesize

    304KB

  • memory/4136-2122-0x0000000037BC0000-0x0000000037CA0000-memory.dmp

    Filesize

    896KB

  • memory/4136-4506-0x0000000077E11000-0x0000000077F31000-memory.dmp

    Filesize

    1.1MB

  • memory/4136-5149-0x0000000072D0E000-0x0000000072D0F000-memory.dmp

    Filesize

    4KB

  • memory/4136-5150-0x0000000037D80000-0x0000000037DE6000-memory.dmp

    Filesize

    408KB

  • memory/4136-5151-0x0000000072D00000-0x00000000734B0000-memory.dmp

    Filesize

    7.7MB

  • memory/4136-5152-0x00000000380D0000-0x0000000038674000-memory.dmp

    Filesize

    5.6MB

  • memory/4136-5153-0x0000000037E30000-0x0000000037EC2000-memory.dmp

    Filesize

    584KB

  • memory/4136-5154-0x0000000038A20000-0x0000000038A32000-memory.dmp

    Filesize

    72KB

  • memory/4136-5155-0x0000000038A40000-0x0000000038A90000-memory.dmp

    Filesize

    320KB

  • memory/4136-5156-0x0000000072D00000-0x00000000734B0000-memory.dmp

    Filesize

    7.7MB

  • memory/4136-5159-0x0000000072D00000-0x00000000734B0000-memory.dmp

    Filesize

    7.7MB