Analysis

  • max time kernel
    117s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21/02/2025, 03:14

General

  • Target

    689cf9d72781c2f6088289d743356a993459f11cd22a01446f3a065a1cc8b7b5.exe

  • Size

    664KB

  • MD5

    b8f3253be81ad12d8fa2fdb5c5b158ac

  • SHA1

    c2f0a6659f0ea8d2a1be43dced1a792717b22cec

  • SHA256

    689cf9d72781c2f6088289d743356a993459f11cd22a01446f3a065a1cc8b7b5

  • SHA512

    2312f670ed0e9e4a8c676b4dcaea2ec0e7c7bf66fc372f2add2080ee266987f0096cb955b73756032bc79196c611d90fc93231037bd1e4d0a28cc86ef42c5353

  • SSDEEP

    12288:ZfZ6QaYTUyLtbjIJOC4HU4H9Sd4JzDEvJRVsTUBgD+1AFneLtHXbai1P4dX1:ZIdIt3IkaCSmzDg2UBgD+gneLtWiR4P

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 35 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 5 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\689cf9d72781c2f6088289d743356a993459f11cd22a01446f3a065a1cc8b7b5.exe
    "C:\Users\Admin\AppData\Local\Temp\689cf9d72781c2f6088289d743356a993459f11cd22a01446f3a065a1cc8b7b5.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3008
    • C:\Users\Admin\AppData\Local\Temp\689cf9d72781c2f6088289d743356a993459f11cd22a01446f3a065a1cc8b7b5.exe
      "C:\Users\Admin\AppData\Local\Temp\689cf9d72781c2f6088289d743356a993459f11cd22a01446f3a065a1cc8b7b5.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:2872

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\inddatafunktions.ini

    Filesize

    37B

    MD5

    4fbe761fb296431fa2b2b2f1b2151773

    SHA1

    22b08baab25ba9367620747f559b8a9900d39f5e

    SHA256

    4e71a5b2c04ec9db74bb59e1ee2caa7a68d4a393f81ab3bac48226919fa35a5b

    SHA512

    822b45bc5c8745af9fb4abe43bc4ae74bf06cc24c8d9760cd0c619f5b5805a9cf46f1b1e0d1d082130573cc72c6f060232f117ac9e1544a84083fad197316a80

  • \Users\Admin\AppData\Local\Temp\nsoB57B.tmp\System.dll

    Filesize

    11KB

    MD5

    75ed96254fbf894e42058062b4b4f0d1

    SHA1

    996503f1383b49021eb3427bc28d13b5bbd11977

    SHA256

    a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7

    SHA512

    58174896db81d481947b8745dafe3a02c150f3938bb4543256e8cce1145154e016d481df9fe68dac6d48407c62cbe20753320ebd5fe5e84806d07ce78e0eb0c4

  • memory/2872-70-0x0000000000260000-0x00000000002F1000-memory.dmp

    Filesize

    580KB

  • memory/2872-68-0x0000000000260000-0x00000000002F1000-memory.dmp

    Filesize

    580KB

  • memory/2872-66-0x0000000000260000-0x00000000002F1000-memory.dmp

    Filesize

    580KB

  • memory/2872-34-0x0000000077510000-0x00000000776B9000-memory.dmp

    Filesize

    1.7MB

  • memory/2872-35-0x0000000000490000-0x00000000014F2000-memory.dmp

    Filesize

    16.4MB

  • memory/2872-55-0x0000000000490000-0x00000000014F2000-memory.dmp

    Filesize

    16.4MB

  • memory/2872-57-0x0000000000490000-0x00000000004F0000-memory.dmp

    Filesize

    384KB

  • memory/2872-58-0x0000000000260000-0x00000000002F6000-memory.dmp

    Filesize

    600KB

  • memory/2872-94-0x0000000000260000-0x00000000002F1000-memory.dmp

    Filesize

    580KB

  • memory/2872-92-0x0000000000260000-0x00000000002F1000-memory.dmp

    Filesize

    580KB

  • memory/2872-90-0x0000000000260000-0x00000000002F1000-memory.dmp

    Filesize

    580KB

  • memory/2872-88-0x0000000000260000-0x00000000002F1000-memory.dmp

    Filesize

    580KB

  • memory/2872-86-0x0000000000260000-0x00000000002F1000-memory.dmp

    Filesize

    580KB

  • memory/2872-84-0x0000000000260000-0x00000000002F1000-memory.dmp

    Filesize

    580KB

  • memory/2872-82-0x0000000000260000-0x00000000002F1000-memory.dmp

    Filesize

    580KB

  • memory/2872-80-0x0000000000260000-0x00000000002F1000-memory.dmp

    Filesize

    580KB

  • memory/2872-78-0x0000000000260000-0x00000000002F1000-memory.dmp

    Filesize

    580KB

  • memory/2872-76-0x0000000000260000-0x00000000002F1000-memory.dmp

    Filesize

    580KB

  • memory/2872-74-0x0000000000260000-0x00000000002F1000-memory.dmp

    Filesize

    580KB

  • memory/2872-72-0x0000000000260000-0x00000000002F1000-memory.dmp

    Filesize

    580KB

  • memory/2872-2126-0x000000003AC40000-0x000000003AD20000-memory.dmp

    Filesize

    896KB

  • memory/2872-2124-0x000000003A810000-0x000000003A85C000-memory.dmp

    Filesize

    304KB

  • memory/2872-33-0x0000000001500000-0x0000000007452000-memory.dmp

    Filesize

    95.3MB

  • memory/2872-64-0x0000000000260000-0x00000000002F1000-memory.dmp

    Filesize

    580KB

  • memory/2872-62-0x0000000000260000-0x00000000002F1000-memory.dmp

    Filesize

    580KB

  • memory/2872-60-0x0000000000260000-0x00000000002F1000-memory.dmp

    Filesize

    580KB

  • memory/2872-59-0x0000000000260000-0x00000000002F1000-memory.dmp

    Filesize

    580KB

  • memory/2872-118-0x0000000000260000-0x00000000002F1000-memory.dmp

    Filesize

    580KB

  • memory/2872-116-0x0000000000260000-0x00000000002F1000-memory.dmp

    Filesize

    580KB

  • memory/2872-114-0x0000000000260000-0x00000000002F1000-memory.dmp

    Filesize

    580KB

  • memory/2872-112-0x0000000000260000-0x00000000002F1000-memory.dmp

    Filesize

    580KB

  • memory/2872-110-0x0000000000260000-0x00000000002F1000-memory.dmp

    Filesize

    580KB

  • memory/2872-108-0x0000000000260000-0x00000000002F1000-memory.dmp

    Filesize

    580KB

  • memory/2872-106-0x0000000000260000-0x00000000002F1000-memory.dmp

    Filesize

    580KB

  • memory/2872-104-0x0000000000260000-0x00000000002F1000-memory.dmp

    Filesize

    580KB

  • memory/2872-102-0x0000000000260000-0x00000000002F1000-memory.dmp

    Filesize

    580KB

  • memory/2872-100-0x0000000000260000-0x00000000002F1000-memory.dmp

    Filesize

    580KB

  • memory/2872-98-0x0000000000260000-0x00000000002F1000-memory.dmp

    Filesize

    580KB

  • memory/2872-96-0x0000000000260000-0x00000000002F1000-memory.dmp

    Filesize

    580KB

  • memory/2872-2123-0x00000000383E0000-0x000000003840C000-memory.dmp

    Filesize

    176KB

  • memory/3008-31-0x0000000077511000-0x0000000077612000-memory.dmp

    Filesize

    1.0MB

  • memory/3008-32-0x0000000077510000-0x00000000776B9000-memory.dmp

    Filesize

    1.7MB