Analysis

  • max time kernel
    140s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-11-2024 00:03

General

  • Target

    c0cf40b8830d666a24bdd4febdc162e95aa30ed968fa3675e26ad97b2e88e03a.exe

  • Size

    370KB

  • MD5

    a890e2f924dea3cb3e46a95431ffae39

  • SHA1

    35719ee58a5771156bc956bcf1b5c54ac3391593

  • SHA256

    c0cf40b8830d666a24bdd4febdc162e95aa30ed968fa3675e26ad97b2e88e03a

  • SHA512

    664fb8075712912be30185d17d912dae148e778627e852affe1b1080bb9c8d5917e7b3c1d194e62ac6919c16235754f776523ba7ce95af38be86b61cc3e3d162

  • SSDEEP

    6144:KRzMgpY8bXFHW1FbwwEHidUoagoW2C9cuqBGI4Zq6mYN8+G5l9PAzJdVeO2Ui:sDRbXFHW1+K2UWBGIymYG+i9A+ONi

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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 4 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c0cf40b8830d666a24bdd4febdc162e95aa30ed968fa3675e26ad97b2e88e03a.exe
    "C:\Users\Admin\AppData\Local\Temp\c0cf40b8830d666a24bdd4febdc162e95aa30ed968fa3675e26ad97b2e88e03a.exe"
    1⤵
    • Drops file in Drivers directory
    • Checks computer location settings
    • 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:3428
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\RKZZQ.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4280
      • C:\Windows\SysWOW64\chcp.com
        chcp 1251
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3184

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\Microsoft\ClickToRun\MachineData\Catalog\Packages\{9AC08E99-230B-47E8-9721-4577B7F124EA}\{1A8308C7-90D1-4200-B16E-646F163A08E8}\Manifest.xml

    Filesize

    3.4MB

    MD5

    b50f20b48eb078f0668e6015d354ba68

    SHA1

    6faa042ad88d38f428e599877c63329a7d2424e6

    SHA256

    e95c683b253c61a33db4738ec68056ce8c5667ddd41e41737147bcdc74e50bf8

    SHA512

    5df4a413eab0081d7f5f0b5b945ca859c8d721e6f5826c67e3a4b0e12263d5d31ed39877def011f5fc0a04be487caba44b23c9f0a4e2aeaac0ddd022d5ee8129

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

    Filesize

    309B

    MD5

    e727ec0c5431e5e4c1ad167ae881d360

    SHA1

    f4afcb741108ed24d005db65a2fedc63e6fd6013

    SHA256

    db265213e1b97dd232339c7c3c00f80aa99679606e332f3550f4439e8e9a294c

    SHA512

    4faf2042c45f36388eaffd744e32fe9252d066e99dc5b4174382adbf21fd85c56dfb8c6f4586140bb4bdb406ffd234a32e4bebfca4c1c1fc1b961fb0b9214537

  • memory/3428-1221-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/3428-3-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/3428-1721-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/3428-1932-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/3428-935-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/3428-2108-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/3428-2118-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/3428-2131-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/3428-2140-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/3428-2144-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/3428-613-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB