Analysis

  • max time kernel
    94s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/02/2025, 03:29

General

  • Target

    7ef76197f97772ab780fe7921992a6e95af21cba5d200302d47a5dbb7fde636e.exe

  • Size

    669KB

  • MD5

    88c611266f18f7db91d7755063429d75

  • SHA1

    1b1086c2217f9a6bf743007a958eff87a0293bd8

  • SHA256

    7ef76197f97772ab780fe7921992a6e95af21cba5d200302d47a5dbb7fde636e

  • SHA512

    7e9cd2d6776fbca98c7e75c60cb37ea29d468c7b447d5e0f0c71636196ae603718827f0a4b0f64c10e2fce0afce877ec8983d8df8d8b86707552998584a7e2de

  • SSDEEP

    12288:ZfZ6QaYTUyLt4y7Er2/YHVy6gzt2s+CBxpObgVMNkhtHXbai1P4dXO:ZIdIte2/Y1vgtB+YQbg+NotWiR4w

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
  • 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\7ef76197f97772ab780fe7921992a6e95af21cba5d200302d47a5dbb7fde636e.exe
    "C:\Users\Admin\AppData\Local\Temp\7ef76197f97772ab780fe7921992a6e95af21cba5d200302d47a5dbb7fde636e.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2336
    • C:\Users\Admin\AppData\Local\Temp\7ef76197f97772ab780fe7921992a6e95af21cba5d200302d47a5dbb7fde636e.exe
      "C:\Users\Admin\AppData\Local\Temp\7ef76197f97772ab780fe7921992a6e95af21cba5d200302d47a5dbb7fde636e.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:4924

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\inddatafunktions.ini

    Filesize

    37B

    MD5

    4fbe761fb296431fa2b2b2f1b2151773

    SHA1

    22b08baab25ba9367620747f559b8a9900d39f5e

    SHA256

    4e71a5b2c04ec9db74bb59e1ee2caa7a68d4a393f81ab3bac48226919fa35a5b

    SHA512

    822b45bc5c8745af9fb4abe43bc4ae74bf06cc24c8d9760cd0c619f5b5805a9cf46f1b1e0d1d082130573cc72c6f060232f117ac9e1544a84083fad197316a80

  • C:\Users\Admin\AppData\Local\Temp\nso9BF3.tmp\System.dll

    Filesize

    11KB

    MD5

    75ed96254fbf894e42058062b4b4f0d1

    SHA1

    996503f1383b49021eb3427bc28d13b5bbd11977

    SHA256

    a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7

    SHA512

    58174896db81d481947b8745dafe3a02c150f3938bb4543256e8cce1145154e016d481df9fe68dac6d48407c62cbe20753320ebd5fe5e84806d07ce78e0eb0c4

  • memory/2336-30-0x0000000077E21000-0x0000000077F41000-memory.dmp

    Filesize

    1.1MB

  • memory/2336-32-0x00000000752F4000-0x00000000752F5000-memory.dmp

    Filesize

    4KB

  • memory/2336-31-0x0000000077E21000-0x0000000077F41000-memory.dmp

    Filesize

    1.1MB

  • memory/4924-33-0x00000000016F0000-0x00000000065F8000-memory.dmp

    Filesize

    79.0MB

  • memory/4924-34-0x0000000077E21000-0x0000000077F41000-memory.dmp

    Filesize

    1.1MB

  • memory/4924-35-0x0000000077EA8000-0x0000000077EA9000-memory.dmp

    Filesize

    4KB

  • memory/4924-36-0x0000000077EC5000-0x0000000077EC6000-memory.dmp

    Filesize

    4KB

  • memory/4924-51-0x0000000000490000-0x00000000016E4000-memory.dmp

    Filesize

    18.3MB

  • memory/4924-53-0x0000000077E21000-0x0000000077F41000-memory.dmp

    Filesize

    1.1MB

  • memory/4924-52-0x0000000000490000-0x00000000016E4000-memory.dmp

    Filesize

    18.3MB

  • memory/4924-55-0x0000000072D1E000-0x0000000072D1F000-memory.dmp

    Filesize

    4KB

  • memory/4924-56-0x0000000000490000-0x00000000004F0000-memory.dmp

    Filesize

    384KB

  • memory/4924-54-0x00000000016F0000-0x00000000065F8000-memory.dmp

    Filesize

    79.0MB

  • memory/4924-57-0x0000000037010000-0x00000000370A6000-memory.dmp

    Filesize

    600KB

  • memory/4924-58-0x0000000072D10000-0x00000000734C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4924-62-0x0000000037010000-0x00000000370A1000-memory.dmp

    Filesize

    580KB

  • memory/4924-66-0x0000000037010000-0x00000000370A1000-memory.dmp

    Filesize

    580KB

  • memory/4924-116-0x0000000037010000-0x00000000370A1000-memory.dmp

    Filesize

    580KB

  • memory/4924-104-0x0000000037010000-0x00000000370A1000-memory.dmp

    Filesize

    580KB

  • memory/4924-102-0x0000000037010000-0x00000000370A1000-memory.dmp

    Filesize

    580KB

  • memory/4924-100-0x0000000037010000-0x00000000370A1000-memory.dmp

    Filesize

    580KB

  • memory/4924-96-0x0000000037010000-0x00000000370A1000-memory.dmp

    Filesize

    580KB

  • memory/4924-92-0x0000000037010000-0x00000000370A1000-memory.dmp

    Filesize

    580KB

  • memory/4924-90-0x0000000037010000-0x00000000370A1000-memory.dmp

    Filesize

    580KB

  • memory/4924-86-0x0000000037010000-0x00000000370A1000-memory.dmp

    Filesize

    580KB

  • memory/4924-84-0x0000000037010000-0x00000000370A1000-memory.dmp

    Filesize

    580KB

  • memory/4924-82-0x0000000037010000-0x00000000370A1000-memory.dmp

    Filesize

    580KB

  • memory/4924-80-0x0000000037010000-0x00000000370A1000-memory.dmp

    Filesize

    580KB

  • memory/4924-78-0x0000000037010000-0x00000000370A1000-memory.dmp

    Filesize

    580KB

  • memory/4924-76-0x0000000037010000-0x00000000370A1000-memory.dmp

    Filesize

    580KB

  • memory/4924-74-0x0000000037010000-0x00000000370A1000-memory.dmp

    Filesize

    580KB

  • memory/4924-72-0x0000000037010000-0x00000000370A1000-memory.dmp

    Filesize

    580KB

  • memory/4924-70-0x0000000037010000-0x00000000370A1000-memory.dmp

    Filesize

    580KB

  • memory/4924-68-0x0000000037010000-0x00000000370A1000-memory.dmp

    Filesize

    580KB

  • memory/4924-64-0x0000000037010000-0x00000000370A1000-memory.dmp

    Filesize

    580KB

  • memory/4924-98-0x0000000037010000-0x00000000370A1000-memory.dmp

    Filesize

    580KB

  • memory/4924-94-0x0000000037010000-0x00000000370A1000-memory.dmp

    Filesize

    580KB

  • memory/4924-88-0x0000000037010000-0x00000000370A1000-memory.dmp

    Filesize

    580KB

  • memory/4924-60-0x0000000037010000-0x00000000370A1000-memory.dmp

    Filesize

    580KB

  • memory/4924-59-0x0000000037010000-0x00000000370A1000-memory.dmp

    Filesize

    580KB

  • memory/4924-118-0x0000000037010000-0x00000000370A1000-memory.dmp

    Filesize

    580KB

  • memory/4924-114-0x0000000037010000-0x00000000370A1000-memory.dmp

    Filesize

    580KB

  • memory/4924-112-0x0000000037010000-0x00000000370A1000-memory.dmp

    Filesize

    580KB

  • memory/4924-110-0x0000000037010000-0x00000000370A1000-memory.dmp

    Filesize

    580KB

  • memory/4924-108-0x0000000037010000-0x00000000370A1000-memory.dmp

    Filesize

    580KB

  • memory/4924-106-0x0000000037010000-0x00000000370A1000-memory.dmp

    Filesize

    580KB

  • memory/4924-2123-0x00000000370D0000-0x00000000370FC000-memory.dmp

    Filesize

    176KB

  • memory/4924-2124-0x00000000394F0000-0x000000003953C000-memory.dmp

    Filesize

    304KB

  • memory/4924-2125-0x0000000039720000-0x0000000039800000-memory.dmp

    Filesize

    896KB

  • memory/4924-5151-0x0000000039840000-0x00000000398A6000-memory.dmp

    Filesize

    408KB

  • memory/4924-5152-0x0000000072D1E000-0x0000000072D1F000-memory.dmp

    Filesize

    4KB

  • memory/4924-5153-0x0000000072D10000-0x00000000734C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4924-5154-0x0000000039C10000-0x000000003A1B4000-memory.dmp

    Filesize

    5.6MB

  • memory/4924-5155-0x0000000039970000-0x0000000039A02000-memory.dmp

    Filesize

    584KB

  • memory/4924-5156-0x000000003A550000-0x000000003A562000-memory.dmp

    Filesize

    72KB

  • memory/4924-5157-0x000000003A570000-0x000000003A5C0000-memory.dmp

    Filesize

    320KB

  • memory/4924-5158-0x0000000072D10000-0x00000000734C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4924-5161-0x0000000072D10000-0x00000000734C0000-memory.dmp

    Filesize

    7.7MB