Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/02/2025, 13:41

General

  • Target

    49b298624de14b573163b90397130419.exe

  • Size

    1.0MB

  • MD5

    49b298624de14b573163b90397130419

  • SHA1

    013b0fe9893158822f141113dfe46cd924e2a443

  • SHA256

    3d1067331b7bed8a818ca2efcec2136667f2a180d0ee716a6f9b475e9df2fd7d

  • SHA512

    b21c95d074e2c55b2e0f58a6158c1b393f84dab10c79a4fcfa0b86e4a69e29c2052fac8ecfb5448032a833f379c683d1ac79754ad04226a0086139f5005aedd8

  • SSDEEP

    24576:LzOEC045nLnc5hdrvxFqJ+ZIEDw4vNG5Hgapn:eEeFLu12J+lktNge

Malware Config

Signatures

  • Guloader family
  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Loads dropped DLL 2 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
  • 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\49b298624de14b573163b90397130419.exe
    "C:\Users\Admin\AppData\Local\Temp\49b298624de14b573163b90397130419.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1524
    • C:\Users\Admin\AppData\Local\Temp\49b298624de14b573163b90397130419.exe
      "C:\Users\Admin\AppData\Local\Temp\49b298624de14b573163b90397130419.exe"
      2⤵
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2044

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsz928C.tmp\System.dll

    Filesize

    11KB

    MD5

    3f176d1ee13b0d7d6bd92e1c7a0b9bae

    SHA1

    fe582246792774c2c9dd15639ffa0aca90d6fd0b

    SHA256

    fa4ab1d6f79fd677433a31ada7806373a789d34328da46ccb0449bbf347bd73e

    SHA512

    0a69124819b7568d0dea4e9e85ce8fe61c7ba697c934e3a95e2dcfb9f252b1d9da7faf8774b6e8efd614885507acc94987733eba09a2f5e7098b774dfc8524b6

  • memory/1524-15-0x0000000077531000-0x0000000077651000-memory.dmp

    Filesize

    1.1MB

  • memory/1524-17-0x0000000010004000-0x0000000010005000-memory.dmp

    Filesize

    4KB

  • memory/1524-16-0x0000000077531000-0x0000000077651000-memory.dmp

    Filesize

    1.1MB

  • memory/2044-18-0x0000000001720000-0x0000000006D27000-memory.dmp

    Filesize

    86.0MB

  • memory/2044-19-0x00000000775B8000-0x00000000775B9000-memory.dmp

    Filesize

    4KB

  • memory/2044-20-0x00000000775D5000-0x00000000775D6000-memory.dmp

    Filesize

    4KB

  • memory/2044-30-0x0000000077531000-0x0000000077651000-memory.dmp

    Filesize

    1.1MB

  • memory/2044-34-0x00000000004C0000-0x0000000001714000-memory.dmp

    Filesize

    18.3MB

  • memory/2044-37-0x000000007242E000-0x000000007242F000-memory.dmp

    Filesize

    4KB

  • memory/2044-38-0x00000000004C0000-0x0000000000520000-memory.dmp

    Filesize

    384KB

  • memory/2044-39-0x0000000072420000-0x0000000072BD0000-memory.dmp

    Filesize

    7.7MB

  • memory/2044-40-0x0000000039B30000-0x0000000039BC6000-memory.dmp

    Filesize

    600KB

  • memory/2044-41-0x0000000039B30000-0x0000000039BC1000-memory.dmp

    Filesize

    580KB

  • memory/2044-42-0x0000000039B30000-0x0000000039BC1000-memory.dmp

    Filesize

    580KB

  • memory/2044-100-0x0000000039B30000-0x0000000039BC1000-memory.dmp

    Filesize

    580KB

  • memory/2044-98-0x0000000039B30000-0x0000000039BC1000-memory.dmp

    Filesize

    580KB

  • memory/2044-96-0x0000000039B30000-0x0000000039BC1000-memory.dmp

    Filesize

    580KB

  • memory/2044-94-0x0000000039B30000-0x0000000039BC1000-memory.dmp

    Filesize

    580KB

  • memory/2044-90-0x0000000039B30000-0x0000000039BC1000-memory.dmp

    Filesize

    580KB

  • memory/2044-88-0x0000000039B30000-0x0000000039BC1000-memory.dmp

    Filesize

    580KB

  • memory/2044-36-0x0000000001720000-0x0000000006D27000-memory.dmp

    Filesize

    86.0MB

  • memory/2044-82-0x0000000039B30000-0x0000000039BC1000-memory.dmp

    Filesize

    580KB

  • memory/2044-80-0x0000000039B30000-0x0000000039BC1000-memory.dmp

    Filesize

    580KB

  • memory/2044-78-0x0000000039B30000-0x0000000039BC1000-memory.dmp

    Filesize

    580KB

  • memory/2044-76-0x0000000039B30000-0x0000000039BC1000-memory.dmp

    Filesize

    580KB

  • memory/2044-74-0x0000000039B30000-0x0000000039BC1000-memory.dmp

    Filesize

    580KB

  • memory/2044-72-0x0000000039B30000-0x0000000039BC1000-memory.dmp

    Filesize

    580KB

  • memory/2044-68-0x0000000039B30000-0x0000000039BC1000-memory.dmp

    Filesize

    580KB

  • memory/2044-66-0x0000000039B30000-0x0000000039BC1000-memory.dmp

    Filesize

    580KB

  • memory/2044-64-0x0000000039B30000-0x0000000039BC1000-memory.dmp

    Filesize

    580KB

  • memory/2044-62-0x0000000039B30000-0x0000000039BC1000-memory.dmp

    Filesize

    580KB

  • memory/2044-58-0x0000000039B30000-0x0000000039BC1000-memory.dmp

    Filesize

    580KB

  • memory/2044-56-0x0000000039B30000-0x0000000039BC1000-memory.dmp

    Filesize

    580KB

  • memory/2044-54-0x0000000039B30000-0x0000000039BC1000-memory.dmp

    Filesize

    580KB

  • memory/2044-52-0x0000000039B30000-0x0000000039BC1000-memory.dmp

    Filesize

    580KB

  • memory/2044-50-0x0000000039B30000-0x0000000039BC1000-memory.dmp

    Filesize

    580KB

  • memory/2044-48-0x0000000039B30000-0x0000000039BC1000-memory.dmp

    Filesize

    580KB

  • memory/2044-44-0x0000000039B30000-0x0000000039BC1000-memory.dmp

    Filesize

    580KB

  • memory/2044-92-0x0000000039B30000-0x0000000039BC1000-memory.dmp

    Filesize

    580KB

  • memory/2044-86-0x0000000039B30000-0x0000000039BC1000-memory.dmp

    Filesize

    580KB

  • memory/2044-84-0x0000000039B30000-0x0000000039BC1000-memory.dmp

    Filesize

    580KB

  • memory/2044-70-0x0000000039B30000-0x0000000039BC1000-memory.dmp

    Filesize

    580KB

  • memory/2044-60-0x0000000039B30000-0x0000000039BC1000-memory.dmp

    Filesize

    580KB

  • memory/2044-46-0x0000000039B30000-0x0000000039BC1000-memory.dmp

    Filesize

    580KB

  • memory/2044-2106-0x0000000039BD0000-0x0000000039C1C000-memory.dmp

    Filesize

    304KB

  • memory/2044-2105-0x0000000037360000-0x000000003738C000-memory.dmp

    Filesize

    176KB

  • memory/2044-2108-0x000000007242E000-0x000000007242F000-memory.dmp

    Filesize

    4KB

  • memory/2044-2109-0x0000000072420000-0x0000000072BD0000-memory.dmp

    Filesize

    7.7MB