Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21-12-2024 02:52

General

  • Target

    957a5b78c870c0c648884b8ee30f5f437325c94212f4436566cccbc3b88aa987.exe

  • Size

    4.3MB

  • MD5

    04869f7ace61605035664af9589af21b

  • SHA1

    0688d7e4038f6103600011198edecb98df152221

  • SHA256

    957a5b78c870c0c648884b8ee30f5f437325c94212f4436566cccbc3b88aa987

  • SHA512

    c78f3877d5adb2847471b300d259b8875a8ba50a9fa1a1c3981c2a3316c8b5131e9d72d0e503557c14b4fd30a78b8d34c810aade2ec6bda4729daf7fc2f8ccae

  • SSDEEP

    98304:uOsbw/GM4JTpF/dHkl1J000ReHSmC3J8qP/vbyN/I5i/H8CCW:1KGKJTpldHkl2mCbP/vbiN7C

Malware Config

Extracted

Family

cryptbot

Signatures

  • CryptBot

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

  • Cryptbot family
  • Enumerates VirtualBox registry keys 2 TTPs 1 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Checks installed software on the system 1 TTPs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\957a5b78c870c0c648884b8ee30f5f437325c94212f4436566cccbc3b88aa987.exe
    "C:\Users\Admin\AppData\Local\Temp\957a5b78c870c0c648884b8ee30f5f437325c94212f4436566cccbc3b88aa987.exe"
    1⤵
    • Enumerates VirtualBox registry keys
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    PID:2644

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2644-0-0x0000000000F20000-0x0000000001A81000-memory.dmp

    Filesize

    11.4MB

  • memory/2644-1-0x00000000774D0000-0x00000000774D2000-memory.dmp

    Filesize

    8KB

  • memory/2644-2-0x0000000000F21000-0x00000000011A5000-memory.dmp

    Filesize

    2.5MB

  • memory/2644-3-0x0000000000F20000-0x0000000001A81000-memory.dmp

    Filesize

    11.4MB

  • memory/2644-4-0x0000000000F20000-0x0000000001A81000-memory.dmp

    Filesize

    11.4MB

  • memory/2644-5-0x0000000000F20000-0x0000000001A81000-memory.dmp

    Filesize

    11.4MB

  • memory/2644-6-0x0000000000F20000-0x0000000001A81000-memory.dmp

    Filesize

    11.4MB

  • memory/2644-7-0x0000000000F20000-0x0000000001A81000-memory.dmp

    Filesize

    11.4MB

  • memory/2644-8-0x0000000000F20000-0x0000000001A81000-memory.dmp

    Filesize

    11.4MB

  • memory/2644-9-0x0000000000F20000-0x0000000001A81000-memory.dmp

    Filesize

    11.4MB

  • memory/2644-10-0x0000000000F20000-0x0000000001A81000-memory.dmp

    Filesize

    11.4MB

  • memory/2644-11-0x0000000000F20000-0x0000000001A81000-memory.dmp

    Filesize

    11.4MB

  • memory/2644-12-0x0000000000F20000-0x0000000001A81000-memory.dmp

    Filesize

    11.4MB

  • memory/2644-13-0x0000000000F20000-0x0000000001A81000-memory.dmp

    Filesize

    11.4MB

  • memory/2644-14-0x0000000000F20000-0x0000000001A81000-memory.dmp

    Filesize

    11.4MB

  • memory/2644-15-0x0000000000F20000-0x0000000001A81000-memory.dmp

    Filesize

    11.4MB