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Analysis

  • max time kernel
    122s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    03/11/2024, 20:50

General

  • Target

    e49778d20a2f9b1f8b00ddd24b6bcee81af381ed02cfe0a3c9ab3111cda5f573.exe

  • Size

    329KB

  • MD5

    adb5c262ca4f95fee36ae4b9b5d41d45

  • SHA1

    cdbe420609fec04ddf3d74297fc2320b6a8a898e

  • SHA256

    e49778d20a2f9b1f8b00ddd24b6bcee81af381ed02cfe0a3c9ab3111cda5f573

  • SHA512

    dad3541217a7f1fde669441a3f987794ee58ae44e7899d7ed5ebdf59e8174e2924441ea8474701908071df74479a4f928b673c2d9086c67078a2a861b61ba754

  • SSDEEP

    6144:TRzMgpY8bXFHW1FbwwEHidUoagoW2C9cuqBGI4Zq6mYN8+N6MSiF0Q5XNN:pDRbXFHW1+K2UWBGIymYG+zn

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\e49778d20a2f9b1f8b00ddd24b6bcee81af381ed02cfe0a3c9ab3111cda5f573.exe
    "C:\Users\Admin\AppData\Local\Temp\e49778d20a2f9b1f8b00ddd24b6bcee81af381ed02cfe0a3c9ab3111cda5f573.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:1312
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\PEBTR.bat" "
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2932
      • C:\Windows\SysWOW64\chcp.com
        chcp 1251
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1988

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    309B

    MD5

    8059931d0793e020ec960ffad2eeae05

    SHA1

    98d8e5fa03d23efd8f6e591ec546c0fd29940e21

    SHA256

    5f10fbb15dde5cbca7ed7d12dbff00a919fc556702dafb892906adfbf6200181

    SHA512

    9b61e1fc55758237ba809caa9a9ae6fe744f33a4d0d3dcf93208cca62605eebef290e252c409b98c8e49f4569a8519a5c8a47f9ccb1151c6850ac65acb158e9a

  • memory/1312-1-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/1312-274-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/1312-1043-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/1312-1446-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/1312-1637-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/1312-1797-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/1312-1810-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/1312-1811-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/1312-1812-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/1312-1827-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB