Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    20/02/2025, 04:11

General

  • Target

    d6db00fc34f63f9f42baf31ce1a3b0450cd9182978872e61b45c2e2a2a246f85.exe

  • Size

    605KB

  • MD5

    1e3f98f846f1f269d07ed600aee399f0

  • SHA1

    40debddcfcd43f79475f1c1aa804c2724141638c

  • SHA256

    d6db00fc34f63f9f42baf31ce1a3b0450cd9182978872e61b45c2e2a2a246f85

  • SHA512

    93f08b7d92871c3b842ad9b4edec4543448d07172819d717a46d1daddde13f3d8de798fe025197d13d1a4ce8e183eab7b3f82778ded6e55b2189bb11e908de30

  • SSDEEP

    12288:ZfZ6QaYTUyLtXFyUU4etfo/lS5vaobgZFjjtHXbai1P4dXD:ZIdItXFPUVelS5imgZdjtWiR4h

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\d6db00fc34f63f9f42baf31ce1a3b0450cd9182978872e61b45c2e2a2a246f85.exe
    "C:\Users\Admin\AppData\Local\Temp\d6db00fc34f63f9f42baf31ce1a3b0450cd9182978872e61b45c2e2a2a246f85.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1548
    • C:\Users\Admin\AppData\Local\Temp\d6db00fc34f63f9f42baf31ce1a3b0450cd9182978872e61b45c2e2a2a246f85.exe
      "C:\Users\Admin\AppData\Local\Temp\d6db00fc34f63f9f42baf31ce1a3b0450cd9182978872e61b45c2e2a2a246f85.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:2812

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\nsyDBCF.tmp\System.dll

    Filesize

    11KB

    MD5

    75ed96254fbf894e42058062b4b4f0d1

    SHA1

    996503f1383b49021eb3427bc28d13b5bbd11977

    SHA256

    a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7

    SHA512

    58174896db81d481947b8745dafe3a02c150f3938bb4543256e8cce1145154e016d481df9fe68dac6d48407c62cbe20753320ebd5fe5e84806d07ce78e0eb0c4

  • memory/1548-31-0x0000000003740000-0x0000000005F16000-memory.dmp

    Filesize

    39.8MB

  • memory/1548-32-0x00000000777C1000-0x00000000778C2000-memory.dmp

    Filesize

    1.0MB

  • memory/1548-33-0x00000000777C0000-0x0000000077969000-memory.dmp

    Filesize

    1.7MB

  • memory/1548-34-0x0000000003740000-0x0000000005F16000-memory.dmp

    Filesize

    39.8MB

  • memory/2812-84-0x00000000347F0000-0x0000000034882000-memory.dmp

    Filesize

    584KB

  • memory/2812-61-0x00000000347F0000-0x0000000034882000-memory.dmp

    Filesize

    584KB

  • memory/2812-56-0x0000000000490000-0x00000000014F2000-memory.dmp

    Filesize

    16.4MB

  • memory/2812-57-0x0000000000490000-0x00000000014F2000-memory.dmp

    Filesize

    16.4MB

  • memory/2812-58-0x0000000001500000-0x0000000003CD6000-memory.dmp

    Filesize

    39.8MB

  • memory/2812-59-0x0000000000490000-0x00000000004F0000-memory.dmp

    Filesize

    384KB

  • memory/2812-60-0x00000000347F0000-0x0000000034888000-memory.dmp

    Filesize

    608KB

  • memory/2812-62-0x00000000347F0000-0x0000000034882000-memory.dmp

    Filesize

    584KB

  • memory/2812-64-0x00000000347F0000-0x0000000034882000-memory.dmp

    Filesize

    584KB

  • memory/2812-68-0x00000000347F0000-0x0000000034882000-memory.dmp

    Filesize

    584KB

  • memory/2812-70-0x00000000347F0000-0x0000000034882000-memory.dmp

    Filesize

    584KB

  • memory/2812-76-0x00000000347F0000-0x0000000034882000-memory.dmp

    Filesize

    584KB

  • memory/2812-78-0x00000000347F0000-0x0000000034882000-memory.dmp

    Filesize

    584KB

  • memory/2812-82-0x00000000347F0000-0x0000000034882000-memory.dmp

    Filesize

    584KB

  • memory/2812-86-0x00000000347F0000-0x0000000034882000-memory.dmp

    Filesize

    584KB

  • memory/2812-88-0x00000000347F0000-0x0000000034882000-memory.dmp

    Filesize

    584KB

  • memory/2812-35-0x0000000001500000-0x0000000003CD6000-memory.dmp

    Filesize

    39.8MB

  • memory/2812-80-0x00000000347F0000-0x0000000034882000-memory.dmp

    Filesize

    584KB

  • memory/2812-74-0x00000000347F0000-0x0000000034882000-memory.dmp

    Filesize

    584KB

  • memory/2812-72-0x00000000347F0000-0x0000000034882000-memory.dmp

    Filesize

    584KB

  • memory/2812-66-0x00000000347F0000-0x0000000034882000-memory.dmp

    Filesize

    584KB

  • memory/2812-36-0x00000000777C0000-0x0000000077969000-memory.dmp

    Filesize

    1.7MB

  • memory/2812-98-0x00000000347F0000-0x0000000034882000-memory.dmp

    Filesize

    584KB

  • memory/2812-112-0x00000000347F0000-0x0000000034882000-memory.dmp

    Filesize

    584KB

  • memory/2812-90-0x00000000347F0000-0x0000000034882000-memory.dmp

    Filesize

    584KB

  • memory/2812-96-0x00000000347F0000-0x0000000034882000-memory.dmp

    Filesize

    584KB

  • memory/2812-104-0x00000000347F0000-0x0000000034882000-memory.dmp

    Filesize

    584KB

  • memory/2812-118-0x00000000347F0000-0x0000000034882000-memory.dmp

    Filesize

    584KB

  • memory/2812-120-0x00000000347F0000-0x0000000034882000-memory.dmp

    Filesize

    584KB

  • memory/2812-116-0x00000000347F0000-0x0000000034882000-memory.dmp

    Filesize

    584KB

  • memory/2812-114-0x00000000347F0000-0x0000000034882000-memory.dmp

    Filesize

    584KB

  • memory/2812-110-0x00000000347F0000-0x0000000034882000-memory.dmp

    Filesize

    584KB

  • memory/2812-108-0x00000000347F0000-0x0000000034882000-memory.dmp

    Filesize

    584KB

  • memory/2812-106-0x00000000347F0000-0x0000000034882000-memory.dmp

    Filesize

    584KB

  • memory/2812-102-0x00000000347F0000-0x0000000034882000-memory.dmp

    Filesize

    584KB

  • memory/2812-100-0x00000000347F0000-0x0000000034882000-memory.dmp

    Filesize

    584KB

  • memory/2812-94-0x00000000347F0000-0x0000000034882000-memory.dmp

    Filesize

    584KB

  • memory/2812-92-0x00000000347F0000-0x0000000034882000-memory.dmp

    Filesize

    584KB

  • memory/2812-2125-0x0000000034B20000-0x0000000034B4C000-memory.dmp

    Filesize

    176KB

  • memory/2812-2126-0x0000000036FA0000-0x0000000036FEC000-memory.dmp

    Filesize

    304KB

  • memory/2812-2127-0x00000000374F0000-0x00000000375D0000-memory.dmp

    Filesize

    896KB