Analysis

  • max time kernel
    147s
  • max time network
    135s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240419-en
  • resource tags

    arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    28-04-2024 00:56

General

  • Target

    b5973db1b5c044c534a9f809bc2c45b486373325ce1cfd75ff4600f00fd59483.exe

  • Size

    1.8MB

  • MD5

    fe3346ec5bed65ea2f056fb8898a2f5c

  • SHA1

    6049004590734a9ba8124d9b7779a0d8ccd0ff2b

  • SHA256

    b5973db1b5c044c534a9f809bc2c45b486373325ce1cfd75ff4600f00fd59483

  • SHA512

    dbed2b9a6de8a1646e167ef74db323e458cf3a7b1518cbf412f66c04db470d232018ce600f5ee0a56c6f47975e2435061a24b564814da190e5c3f2ff434991c1

  • SSDEEP

    49152:+aBIARUgsrH0gdAzgjWKKqv6eGN5US9FnGjV/5rX:9B3UgsDTmEdKqvbGNJ9dCx5r

Score
10/10

Malware Config

Extracted

Family

amadey

Version

4.17

C2

http://193.233.132.167

Attributes
  • install_dir

    4d0ab15804

  • install_file

    chrosha.exe

  • strings_key

    1a9519d7b465e1f4880fa09a6162d768

  • url_paths

    /enigma/index.php

rc4.plain

Signatures

  • Amadey

    Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
  • Checks BIOS information in registry 2 TTPs 4 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Identifies Wine through registry keys 2 TTPs 2 IoCs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b5973db1b5c044c534a9f809bc2c45b486373325ce1cfd75ff4600f00fd59483.exe
    "C:\Users\Admin\AppData\Local\Temp\b5973db1b5c044c534a9f809bc2c45b486373325ce1cfd75ff4600f00fd59483.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    PID:388
  • C:\Users\Admin\AppData\Local\Temp\4d0ab15804\chrosha.exe
    C:\Users\Admin\AppData\Local\Temp\4d0ab15804\chrosha.exe
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Executes dropped EXE
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    PID:3024

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\4d0ab15804\chrosha.exe

    Filesize

    1.8MB

    MD5

    fe3346ec5bed65ea2f056fb8898a2f5c

    SHA1

    6049004590734a9ba8124d9b7779a0d8ccd0ff2b

    SHA256

    b5973db1b5c044c534a9f809bc2c45b486373325ce1cfd75ff4600f00fd59483

    SHA512

    dbed2b9a6de8a1646e167ef74db323e458cf3a7b1518cbf412f66c04db470d232018ce600f5ee0a56c6f47975e2435061a24b564814da190e5c3f2ff434991c1

  • memory/388-7-0x0000000005800000-0x0000000005801000-memory.dmp

    Filesize

    4KB

  • memory/388-2-0x0000000000EC0000-0x0000000001373000-memory.dmp

    Filesize

    4.7MB

  • memory/388-4-0x0000000005840000-0x0000000005841000-memory.dmp

    Filesize

    4KB

  • memory/388-3-0x0000000005830000-0x0000000005831000-memory.dmp

    Filesize

    4KB

  • memory/388-8-0x0000000005810000-0x0000000005811000-memory.dmp

    Filesize

    4KB

  • memory/388-0-0x0000000000EC0000-0x0000000001373000-memory.dmp

    Filesize

    4.7MB

  • memory/388-6-0x0000000005860000-0x0000000005861000-memory.dmp

    Filesize

    4KB

  • memory/388-5-0x0000000005820000-0x0000000005821000-memory.dmp

    Filesize

    4KB

  • memory/388-11-0x0000000005880000-0x0000000005881000-memory.dmp

    Filesize

    4KB

  • memory/388-10-0x0000000005890000-0x0000000005891000-memory.dmp

    Filesize

    4KB

  • memory/388-16-0x0000000000EC0000-0x0000000001373000-memory.dmp

    Filesize

    4.7MB

  • memory/388-1-0x0000000077BC6000-0x0000000077BC8000-memory.dmp

    Filesize

    8KB

  • memory/3024-25-0x0000000004BC0000-0x0000000004BC1000-memory.dmp

    Filesize

    4KB

  • memory/3024-27-0x0000000004C40000-0x0000000004C41000-memory.dmp

    Filesize

    4KB

  • memory/3024-26-0x0000000004BD0000-0x0000000004BD1000-memory.dmp

    Filesize

    4KB

  • memory/3024-19-0x0000000000160000-0x0000000000613000-memory.dmp

    Filesize

    4.7MB

  • memory/3024-24-0x0000000004C20000-0x0000000004C21000-memory.dmp

    Filesize

    4KB

  • memory/3024-23-0x0000000004BE0000-0x0000000004BE1000-memory.dmp

    Filesize

    4KB

  • memory/3024-22-0x0000000004C00000-0x0000000004C01000-memory.dmp

    Filesize

    4KB

  • memory/3024-21-0x0000000004BF0000-0x0000000004BF1000-memory.dmp

    Filesize

    4KB

  • memory/3024-28-0x0000000004C30000-0x0000000004C31000-memory.dmp

    Filesize

    4KB

  • memory/3024-20-0x0000000000160000-0x0000000000613000-memory.dmp

    Filesize

    4.7MB

  • memory/3024-29-0x0000000000160000-0x0000000000613000-memory.dmp

    Filesize

    4.7MB

  • memory/3024-30-0x0000000000160000-0x0000000000613000-memory.dmp

    Filesize

    4.7MB

  • memory/3024-31-0x0000000000160000-0x0000000000613000-memory.dmp

    Filesize

    4.7MB

  • memory/3024-32-0x0000000000160000-0x0000000000613000-memory.dmp

    Filesize

    4.7MB

  • memory/3024-33-0x0000000000160000-0x0000000000613000-memory.dmp

    Filesize

    4.7MB

  • memory/3024-34-0x0000000000160000-0x0000000000613000-memory.dmp

    Filesize

    4.7MB

  • memory/3024-35-0x0000000000160000-0x0000000000613000-memory.dmp

    Filesize

    4.7MB

  • memory/3024-36-0x0000000000160000-0x0000000000613000-memory.dmp

    Filesize

    4.7MB

  • memory/3024-37-0x0000000000160000-0x0000000000613000-memory.dmp

    Filesize

    4.7MB

  • memory/3024-38-0x0000000000160000-0x0000000000613000-memory.dmp

    Filesize

    4.7MB