Analysis

  • max time kernel
    357s
  • max time network
    358s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05-11-2024 11:10

General

  • Target

    0442cfabb3212644c4b894a7e4a7e84c00fd23489cc4f96490f9988e6074b6ab.exe

  • Size

    370KB

  • MD5

    2aea3b217e6a3d08ef684594192cafc8

  • SHA1

    3a0b855dd052b2cdc6453f6cbdb858c7b55762b0

  • SHA256

    0442cfabb3212644c4b894a7e4a7e84c00fd23489cc4f96490f9988e6074b6ab

  • SHA512

    ea83fcb7465e48445f2213028713c4048ac575b9c2f7458a014c495bddb280be553a22b1056284efad7dd55c2a7837096755206581c67bb0183e4ac42160011a

  • SSDEEP

    6144:oRzMgpY8bXFHW1FbwwEHidUoagoW2C9cuqBGI4Zq6mYlG8+rNfNQFoQGt485VY:uDRbXFHW1+K2UWBGIymY/+rheFOv

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • Deletes itself 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 64 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies Control Panel 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0442cfabb3212644c4b894a7e4a7e84c00fd23489cc4f96490f9988e6074b6ab.exe
    "C:\Users\Admin\AppData\Local\Temp\0442cfabb3212644c4b894a7e4a7e84c00fd23489cc4f96490f9988e6074b6ab.exe"
    1⤵
    • Drops file in Drivers directory
    • Adds Run key to start application
    • Drops file in System32 directory
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies Control Panel
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2512
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\NBTML.bat" "
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2040
      • C:\Windows\SysWOW64\chcp.com
        chcp 1251
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2000

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\NBTML.bat

    Filesize

    309B

    MD5

    af5810cdaa2aa3d2d6e392bd4989718d

    SHA1

    3f3d39a57782f786860aedac255827860fe01e5c

    SHA256

    ec12ba52e03103ffbde5275a02a21822188721f0fc7cc7ad12c586cfd3c8b5f9

    SHA512

    e35f059cac62fc77daa7f9283aed4bee5240ccd308fe335bea5bad914f73215078852b3d9d86262f0f03a20744610ae8adff3c42379b47846b171ec23499663c

  • memory/2512-195-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/2512-1195-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/2512-1548-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/2512-1816-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/2512-1829-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/2512-1844-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB