Analysis

  • max time kernel
    93s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-11-2024 10:47

General

  • Target

    FQ5NRIxS9E6fSVzjWc_kvJni.exe

  • Size

    381KB

  • MD5

    58f5dca577a49a38ea439b3dc7b5f8d6

  • SHA1

    175dc7a597935b1afeb8705bd3d7a556649b06cf

  • SHA256

    857dd46102aea53f0cb7934b96410ebbc3e7988d38dcafdc8c0988f436533b98

  • SHA512

    3c75c0cbbbc14bd25b4feb141fd1595ce02469da50432fb48400eb089d6150fe87831ccc775d921eeec697af7aad33a35fadcfd2ec775aeee1ce34355af7338a

  • SSDEEP

    6144:x/QiQXCfoL8+Ee0CYDTAsdRa1OGBfj/WUplm6zIOYQNd28pTXdAmpCLVRZoglM7f:pQi3foL8+iDNdRa1lL//plmW9bTXeVh8

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in Program Files directory 3 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.

  • Script User-Agent 3 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FQ5NRIxS9E6fSVzjWc_kvJni.exe
    "C:\Users\Admin\AppData\Local\Temp\FQ5NRIxS9E6fSVzjWc_kvJni.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3048
    • C:\Users\Admin\AppData\Local\Temp\is-US8HC.tmp\FQ5NRIxS9E6fSVzjWc_kvJni.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-US8HC.tmp\FQ5NRIxS9E6fSVzjWc_kvJni.tmp" /SL5="$60254,138429,56832,C:\Users\Admin\AppData\Local\Temp\FQ5NRIxS9E6fSVzjWc_kvJni.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      PID:3764

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\is-RL90J.tmp\itdownload.dll

    Filesize

    200KB

    MD5

    d82a429efd885ca0f324dd92afb6b7b8

    SHA1

    86bbdaa15e6fc5c7779ac69c84e53c43c9eb20ea

    SHA256

    b258c4d7d2113dee2168ed7e35568c8e03341e24e3eafc7a22a0d62e32122ef3

    SHA512

    5bf0c3b8fa5db63205a263c4fa5337188173248bef609ba4d03508c50db1fd1e336f3041ce96d78cc97659357a83e6e422f5b079d893a20a683270e05f5438df

  • C:\Users\Admin\AppData\Local\Temp\is-US8HC.tmp\FQ5NRIxS9E6fSVzjWc_kvJni.tmp

    Filesize

    694KB

    MD5

    ffcf263a020aa7794015af0edee5df0b

    SHA1

    bce1eb5f0efb2c83f416b1782ea07c776666fdab

    SHA256

    1d07cfb7104b85fc0dffd761f6848ad176117e146bbb4079fe993efa06b94c64

    SHA512

    49f2b062adfb99c0c7f1012c56f0b52a8850d9f030cc32073b90025b372e4eb373f06a351e9b33264967427b8174c060c8a6110979f0eaf0872f7da6d5e4308a

  • memory/3048-23-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3048-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3048-2-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/3048-40-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3764-17-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/3764-18-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/3764-19-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/3764-20-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/3764-21-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/3764-22-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/3764-6-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/3764-25-0x0000000003A80000-0x0000000003ABC000-memory.dmp

    Filesize

    240KB

  • memory/3764-34-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/3764-39-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/3764-15-0x0000000003A80000-0x0000000003ABC000-memory.dmp

    Filesize

    240KB