Analysis

  • max time kernel
    141s
  • 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
    10-01-2025 12:36

General

  • Target

    whites1213.exe

  • Size

    7.9MB

  • MD5

    8398fc4aa3a5a5ab6ae7ed394b449d0a

  • SHA1

    820ce4bb8eb51e31effa41e6829e84089b728760

  • SHA256

    f25fab3f64bad2cd989035dd854b761fe06b97e76291bd180991d21d91ea5c22

  • SHA512

    a44ff33aa8b477ee8a2bae6a3ac93da85df9a5fdf906baaa54b2513396df94b304bc626159e4d95561097bd3d112826e4254069320fc95f3fc167d9350234c61

  • SSDEEP

    98304:mHZ28VaNl6GdtOjCiEj5P6pziE5Psj1ZC/bIMqiiTpYXHQtG5nuPAUV:m6ThtSpeqso4iKG5n

Malware Config

Extracted

Family

cryptbot

C2

http://home.twelve12vs.top/AvWHJxAVCxPehbRictmJ173

Signatures

  • CryptBot

    CryptBot is a C++ stealer distributed widely in bundle with other software.

  • Cryptbot family
  • Enumerates VirtualBox registry keys 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

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

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

  • Embeds OpenSSL 1 IoCs

    Embeds OpenSSL, may be used to circumvent TLS interception.

  • 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.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\whites1213.exe
    "C:\Users\Admin\AppData\Local\Temp\whites1213.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2004
    • C:\Users\Admin\AppData\Local\Temp\LummaC2.exe
      "C:\Users\Admin\AppData\Local\Temp\LummaC2.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3624
    • C:\Users\Admin\AppData\Local\Temp\Set-up.exe
      "C:\Users\Admin\AppData\Local\Temp\Set-up.exe"
      2⤵
      • Enumerates VirtualBox registry keys
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:3120

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\LummaC2.exe

    Filesize

    320KB

    MD5

    8da89b163d506be4a73b987517a1b9e4

    SHA1

    2e110cf5160c511fa3d5843e890b8e9316754f34

    SHA256

    ea56e7f640355598346fa0b356699298314e25d809f3aa7cfce1804a3d1964e5

    SHA512

    a85969bcda0b31caf0cec79f45bec068a498c7ac190fe17d7b7c03f88f5c91f5f6221fcc4fcb46604695d5b95e9047dfc1d2cf31207540c23e929fcca08d14f5

  • C:\Users\Admin\AppData\Local\Temp\Set-up.exe

    Filesize

    7.6MB

    MD5

    53d48938c0ec850eb316cf433ecfc045

    SHA1

    4415a85e1376c1a8f6661a2cc9d23ec06557d176

    SHA256

    f63f7d8db3ae8ed7448672263cf9333e8b867bdba7a30d73cf3966cfd8a8a909

    SHA512

    21a69b5969f95e4dfd404e6c415ec502282f4e54aa73c0752a29af52bdbf603837ddab640bca47c317f391f91a5f60818d5f06662c600f5e01e43e2473408c99

  • memory/2004-0-0x000000007470E000-0x000000007470F000-memory.dmp

    Filesize

    4KB

  • memory/2004-1-0x00000000000A0000-0x0000000000886000-memory.dmp

    Filesize

    7.9MB

  • memory/3120-19-0x0000000000D20000-0x00000000014B5000-memory.dmp

    Filesize

    7.6MB

  • memory/3120-28-0x0000000000D20000-0x00000000014B5000-memory.dmp

    Filesize

    7.6MB