Analysis

  • max time kernel
    122s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    15-02-2025 03:16

General

  • Target

    6f9ad6320e5d82c433669aeb69751149c97574bb019f837913c7166d1710008e.exe

  • Size

    931KB

  • MD5

    e40ac1a7e19f07f44f092a4adaa3e683

  • SHA1

    44b9f572b6d962625ca97f3196daeee1a3884b36

  • SHA256

    6f9ad6320e5d82c433669aeb69751149c97574bb019f837913c7166d1710008e

  • SHA512

    03837b5e2f900a362e6f6804dc89e58e8fab9baf2330ea3c73ebc6181cdfa457f96d6dd8fb5208586093a520f9508cb4548dfe8e99d5968fb8730a784ba3fbcd

  • SSDEEP

    24576:OPx/Z54yLh4PUe3g2lRnQnb7O0lo9arWoI:ux/Z5th4//k7JlEarQ

Malware Config

Signatures

  • Guloader family
  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • 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 35 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Drops file in Windows directory 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 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\6f9ad6320e5d82c433669aeb69751149c97574bb019f837913c7166d1710008e.exe
    "C:\Users\Admin\AppData\Local\Temp\6f9ad6320e5d82c433669aeb69751149c97574bb019f837913c7166d1710008e.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1768
    • C:\Users\Admin\AppData\Local\Temp\6f9ad6320e5d82c433669aeb69751149c97574bb019f837913c7166d1710008e.exe
      "C:\Users\Admin\AppData\Local\Temp\6f9ad6320e5d82c433669aeb69751149c97574bb019f837913c7166d1710008e.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:2132

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Diathermance.lnk

    Filesize

    1KB

    MD5

    4a0e21905c5363242a2bc374465338f7

    SHA1

    aa7fc5ae48c4bc708f47df4547d9766aebd5cfab

    SHA256

    6d1a9cc98cb9d209bed8f0dfda7617bad5957624606402815e9cf7a416407d96

    SHA512

    425eb6048f3c591dca9b152510c0c196997e0c1cd502d9457f98f0934902ce8f1f5a67729d2893ad74e4508847dc641b8631ee70d1dff6b1bbc420af6c80ed97

  • \Users\Admin\AppData\Local\Temp\nsoB30B.tmp\System.dll

    Filesize

    11KB

    MD5

    3f176d1ee13b0d7d6bd92e1c7a0b9bae

    SHA1

    fe582246792774c2c9dd15639ffa0aca90d6fd0b

    SHA256

    fa4ab1d6f79fd677433a31ada7806373a789d34328da46ccb0449bbf347bd73e

    SHA512

    0a69124819b7568d0dea4e9e85ce8fe61c7ba697c934e3a95e2dcfb9f252b1d9da7faf8774b6e8efd614885507acc94987733eba09a2f5e7098b774dfc8524b6

  • memory/1768-285-0x00000000779B1000-0x0000000077AB2000-memory.dmp

    Filesize

    1.0MB

  • memory/1768-286-0x00000000779B0000-0x0000000077B59000-memory.dmp

    Filesize

    1.7MB

  • memory/2132-287-0x0000000001860000-0x0000000006CD9000-memory.dmp

    Filesize

    84.5MB

  • memory/2132-288-0x00000000779B0000-0x0000000077B59000-memory.dmp

    Filesize

    1.7MB

  • memory/2132-289-0x00000000007F0000-0x0000000001852000-memory.dmp

    Filesize

    16.4MB

  • memory/2132-310-0x00000000007F0000-0x0000000001852000-memory.dmp

    Filesize

    16.4MB

  • memory/2132-312-0x00000000007F0000-0x0000000000850000-memory.dmp

    Filesize

    384KB

  • memory/2132-313-0x00000000376E0000-0x0000000037778000-memory.dmp

    Filesize

    608KB

  • memory/2132-311-0x0000000001860000-0x0000000006CD9000-memory.dmp

    Filesize

    84.5MB

  • memory/2132-371-0x00000000376E0000-0x0000000037771000-memory.dmp

    Filesize

    580KB

  • memory/2132-369-0x00000000376E0000-0x0000000037771000-memory.dmp

    Filesize

    580KB

  • memory/2132-367-0x00000000376E0000-0x0000000037771000-memory.dmp

    Filesize

    580KB

  • memory/2132-365-0x00000000376E0000-0x0000000037771000-memory.dmp

    Filesize

    580KB

  • memory/2132-363-0x00000000376E0000-0x0000000037771000-memory.dmp

    Filesize

    580KB

  • memory/2132-361-0x00000000376E0000-0x0000000037771000-memory.dmp

    Filesize

    580KB

  • memory/2132-359-0x00000000376E0000-0x0000000037771000-memory.dmp

    Filesize

    580KB

  • memory/2132-357-0x00000000376E0000-0x0000000037771000-memory.dmp

    Filesize

    580KB

  • memory/2132-355-0x00000000376E0000-0x0000000037771000-memory.dmp

    Filesize

    580KB

  • memory/2132-353-0x00000000376E0000-0x0000000037771000-memory.dmp

    Filesize

    580KB

  • memory/2132-351-0x00000000376E0000-0x0000000037771000-memory.dmp

    Filesize

    580KB

  • memory/2132-349-0x00000000376E0000-0x0000000037771000-memory.dmp

    Filesize

    580KB

  • memory/2132-347-0x00000000376E0000-0x0000000037771000-memory.dmp

    Filesize

    580KB

  • memory/2132-345-0x00000000376E0000-0x0000000037771000-memory.dmp

    Filesize

    580KB

  • memory/2132-343-0x00000000376E0000-0x0000000037771000-memory.dmp

    Filesize

    580KB

  • memory/2132-341-0x00000000376E0000-0x0000000037771000-memory.dmp

    Filesize

    580KB

  • memory/2132-339-0x00000000376E0000-0x0000000037771000-memory.dmp

    Filesize

    580KB

  • memory/2132-337-0x00000000376E0000-0x0000000037771000-memory.dmp

    Filesize

    580KB

  • memory/2132-335-0x00000000376E0000-0x0000000037771000-memory.dmp

    Filesize

    580KB

  • memory/2132-333-0x00000000376E0000-0x0000000037771000-memory.dmp

    Filesize

    580KB

  • memory/2132-331-0x00000000376E0000-0x0000000037771000-memory.dmp

    Filesize

    580KB

  • memory/2132-329-0x00000000376E0000-0x0000000037771000-memory.dmp

    Filesize

    580KB

  • memory/2132-327-0x00000000376E0000-0x0000000037771000-memory.dmp

    Filesize

    580KB

  • memory/2132-325-0x00000000376E0000-0x0000000037771000-memory.dmp

    Filesize

    580KB

  • memory/2132-323-0x00000000376E0000-0x0000000037771000-memory.dmp

    Filesize

    580KB

  • memory/2132-321-0x00000000376E0000-0x0000000037771000-memory.dmp

    Filesize

    580KB

  • memory/2132-319-0x00000000376E0000-0x0000000037771000-memory.dmp

    Filesize

    580KB

  • memory/2132-317-0x00000000376E0000-0x0000000037771000-memory.dmp

    Filesize

    580KB

  • memory/2132-315-0x00000000376E0000-0x0000000037771000-memory.dmp

    Filesize

    580KB

  • memory/2132-314-0x00000000376E0000-0x0000000037771000-memory.dmp

    Filesize

    580KB

  • memory/2132-2379-0x0000000036D70000-0x0000000036D9C000-memory.dmp

    Filesize

    176KB

  • memory/2132-2380-0x0000000037C20000-0x0000000037C6C000-memory.dmp

    Filesize

    304KB

  • memory/2132-2382-0x000000003A460000-0x000000003A540000-memory.dmp

    Filesize

    896KB