Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-01-2024 07:27

General

  • Target

    e-dekont.exe

  • Size

    466KB

  • MD5

    3977350112167b3fc2411a0f07232ab1

  • SHA1

    c285f62ccb46fa2c7fa758c95efb5771ba19c2bc

  • SHA256

    67a6e13cfdbe0a70caa4e47dfce0c4113237a99f8183a70c5943edc842dcccb2

  • SHA512

    4de0f96b8808943d868d17965c185543376829dc1bd580495269d80aef50ecf2084c15506249b0440928f648b6325f414f58763c0849dd169e5b7bb61da80d2d

  • SSDEEP

    12288:UiupmdZSki+DuaiONmJAkZQ+uwypDxfXikgqKeSGG:Uicmf5i+acg7XYDlykge3G

Malware Config

Signatures

  • Azorult

    An information stealer that was first discovered in 2016, targeting browsing history and passwords.

  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 6 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e-dekont.exe
    "C:\Users\Admin\AppData\Local\Temp\e-dekont.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1916
    • C:\Users\Admin\AppData\Local\Temp\e-dekont.exe
      "C:\Users\Admin\AppData\Local\Temp\e-dekont.exe"
      2⤵
      • Checks computer location settings
      • Loads dropped DLL
      • Accesses Microsoft Outlook profiles
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:3960
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c C:\Windows\system32\timeout.exe 3 & del "e-dekont.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4616
        • C:\Windows\SysWOW64\timeout.exe
          C:\Windows\system32\timeout.exe 3
          4⤵
          • Delays execution with timeout.exe
          PID:4184

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\EC82D99D\mozglue.dll

    Filesize

    135KB

    MD5

    9e682f1eb98a9d41468fc3e50f907635

    SHA1

    85e0ceca36f657ddf6547aa0744f0855a27527ee

    SHA256

    830533bb569594ec2f7c07896b90225006b90a9af108f49d6fb6bebd02428b2d

    SHA512

    230230722d61ac1089fabf3f2decfa04f9296498f8e2a2a49b1527797dca67b5a11ab8656f04087acadf873fa8976400d57c77c404eba4aff89d92b9986f32ed

  • C:\Users\Admin\AppData\Local\Temp\EC82D99D\msvcp140.dll

    Filesize

    429KB

    MD5

    109f0f02fd37c84bfc7508d4227d7ed5

    SHA1

    ef7420141bb15ac334d3964082361a460bfdb975

    SHA256

    334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

    SHA512

    46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

  • C:\Users\Admin\AppData\Local\Temp\EC82D99D\nss3.dll

    Filesize

    1.2MB

    MD5

    35803b72922ece97de64f72a4e4dab19

    SHA1

    b7fd7c38a758ff1b1534a6b84100472cf1a2b016

    SHA256

    9c84adadefa3faf07cb6aa3131dfbaa9aef31c924f3567264222089bb10d7669

    SHA512

    9a5538ef2f17d8d2c15e8bdd487c841538e5515b2044da4255f64b556bcd4952ad2ae6c4e3342d2f45accb8043688ce4476d264325b8ba9a54d63a71aaab5e07

  • C:\Users\Admin\AppData\Local\Temp\EC82D99D\vcruntime140.dll

    Filesize

    81KB

    MD5

    7587bf9cb4147022cd5681b015183046

    SHA1

    f2106306a8f6f0da5afb7fc765cfa0757ad5a628

    SHA256

    c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

    SHA512

    0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

  • C:\Users\Admin\AppData\Local\Temp\nsz77F0.tmp\System.dll

    Filesize

    11KB

    MD5

    3f176d1ee13b0d7d6bd92e1c7a0b9bae

    SHA1

    fe582246792774c2c9dd15639ffa0aca90d6fd0b

    SHA256

    fa4ab1d6f79fd677433a31ada7806373a789d34328da46ccb0449bbf347bd73e

    SHA512

    0a69124819b7568d0dea4e9e85ce8fe61c7ba697c934e3a95e2dcfb9f252b1d9da7faf8774b6e8efd614885507acc94987733eba09a2f5e7098b774dfc8524b6

  • memory/1916-14-0x0000000004330000-0x0000000006277000-memory.dmp

    Filesize

    31.3MB

  • memory/1916-15-0x00000000776D1000-0x00000000777F1000-memory.dmp

    Filesize

    1.1MB

  • memory/1916-16-0x0000000010000000-0x0000000010006000-memory.dmp

    Filesize

    24KB

  • memory/1916-18-0x0000000004330000-0x0000000006277000-memory.dmp

    Filesize

    31.3MB

  • memory/3960-17-0x0000000000470000-0x00000000023B7000-memory.dmp

    Filesize

    31.3MB

  • memory/3960-21-0x00000000730D0000-0x0000000074324000-memory.dmp

    Filesize

    18.3MB

  • memory/3960-22-0x0000000000060000-0x0000000000087000-memory.dmp

    Filesize

    156KB

  • memory/3960-20-0x0000000077775000-0x0000000077776000-memory.dmp

    Filesize

    4KB

  • memory/3960-19-0x0000000077758000-0x0000000077759000-memory.dmp

    Filesize

    4KB

  • memory/3960-84-0x00000000730D0000-0x0000000074324000-memory.dmp

    Filesize

    18.3MB

  • memory/3960-133-0x00000000730D0000-0x0000000074324000-memory.dmp

    Filesize

    18.3MB

  • memory/3960-134-0x0000000000470000-0x00000000023B7000-memory.dmp

    Filesize

    31.3MB

  • memory/3960-135-0x00000000776D1000-0x00000000777F1000-memory.dmp

    Filesize

    1.1MB