Analysis

  • max time kernel
    147s
  • max time network
    150s
  • 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 09:56

General

  • Target

    ae78bec31dc020206bcc638f93668cfa0a7c40cca352e322c1dd0885724f9f15.exe

  • Size

    1.8MB

  • MD5

    fc96a0737eae8312c6c4160e8e77a4c3

  • SHA1

    0e42ce88f96ae08a4389a2611a73a610d95a762d

  • SHA256

    ae78bec31dc020206bcc638f93668cfa0a7c40cca352e322c1dd0885724f9f15

  • SHA512

    5226b641086f322d3fc13a186829163a46f54d02f0f21edb1b0f6457cc615554456d1693b48f3a2a4c4cabf354a4cc784009dccefbc4dfca0781826ff7d52797

  • SSDEEP

    24576:f3nOcNWjHWfugPaJxzRkrUDNjZTbuyi0DXBc3rWhzqoMxu6SSKI6mUhxsRENjop+:/nJUCfzO5DXMZ7Ajsk8/Op

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\ae78bec31dc020206bcc638f93668cfa0a7c40cca352e322c1dd0885724f9f15.exe
    "C:\Users\Admin\AppData\Local\Temp\ae78bec31dc020206bcc638f93668cfa0a7c40cca352e322c1dd0885724f9f15.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:4072
  • 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:2516

Network

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

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

    1.8MB

    MD5

    fc96a0737eae8312c6c4160e8e77a4c3

    SHA1

    0e42ce88f96ae08a4389a2611a73a610d95a762d

    SHA256

    ae78bec31dc020206bcc638f93668cfa0a7c40cca352e322c1dd0885724f9f15

    SHA512

    5226b641086f322d3fc13a186829163a46f54d02f0f21edb1b0f6457cc615554456d1693b48f3a2a4c4cabf354a4cc784009dccefbc4dfca0781826ff7d52797

  • memory/2516-29-0x0000000000070000-0x000000000051C000-memory.dmp
    Filesize

    4.7MB

  • memory/2516-31-0x0000000000070000-0x000000000051C000-memory.dmp
    Filesize

    4.7MB

  • memory/2516-38-0x0000000000070000-0x000000000051C000-memory.dmp
    Filesize

    4.7MB

  • memory/2516-22-0x0000000004D90000-0x0000000004D91000-memory.dmp
    Filesize

    4KB

  • memory/2516-37-0x0000000000070000-0x000000000051C000-memory.dmp
    Filesize

    4.7MB

  • memory/2516-36-0x0000000000070000-0x000000000051C000-memory.dmp
    Filesize

    4.7MB

  • memory/2516-35-0x0000000000070000-0x000000000051C000-memory.dmp
    Filesize

    4.7MB

  • memory/2516-21-0x0000000004D50000-0x0000000004D51000-memory.dmp
    Filesize

    4KB

  • memory/2516-34-0x0000000000070000-0x000000000051C000-memory.dmp
    Filesize

    4.7MB

  • memory/2516-33-0x0000000000070000-0x000000000051C000-memory.dmp
    Filesize

    4.7MB

  • memory/2516-32-0x0000000000070000-0x000000000051C000-memory.dmp
    Filesize

    4.7MB

  • memory/2516-27-0x0000000000070000-0x000000000051C000-memory.dmp
    Filesize

    4.7MB

  • memory/2516-18-0x0000000000070000-0x000000000051C000-memory.dmp
    Filesize

    4.7MB

  • memory/2516-20-0x0000000004D60000-0x0000000004D61000-memory.dmp
    Filesize

    4KB

  • memory/2516-24-0x0000000004D40000-0x0000000004D41000-memory.dmp
    Filesize

    4KB

  • memory/2516-23-0x0000000004D30000-0x0000000004D31000-memory.dmp
    Filesize

    4KB

  • memory/2516-30-0x0000000000070000-0x000000000051C000-memory.dmp
    Filesize

    4.7MB

  • memory/2516-28-0x0000000000070000-0x000000000051C000-memory.dmp
    Filesize

    4.7MB

  • memory/2516-19-0x0000000000070000-0x000000000051C000-memory.dmp
    Filesize

    4.7MB

  • memory/2516-26-0x0000000004DC0000-0x0000000004DC1000-memory.dmp
    Filesize

    4KB

  • memory/2516-25-0x0000000004DB0000-0x0000000004DB1000-memory.dmp
    Filesize

    4KB

  • memory/4072-9-0x0000000004E90000-0x0000000004E91000-memory.dmp
    Filesize

    4KB

  • memory/4072-3-0x0000000004E30000-0x0000000004E31000-memory.dmp
    Filesize

    4KB

  • memory/4072-0-0x0000000000200000-0x00000000006AC000-memory.dmp
    Filesize

    4.7MB

  • memory/4072-7-0x0000000004E10000-0x0000000004E11000-memory.dmp
    Filesize

    4KB

  • memory/4072-1-0x0000000077B36000-0x0000000077B38000-memory.dmp
    Filesize

    8KB

  • memory/4072-15-0x0000000000200000-0x00000000006AC000-memory.dmp
    Filesize

    4.7MB

  • memory/4072-2-0x0000000000200000-0x00000000006AC000-memory.dmp
    Filesize

    4.7MB

  • memory/4072-10-0x0000000004E80000-0x0000000004E81000-memory.dmp
    Filesize

    4KB

  • memory/4072-4-0x0000000004E20000-0x0000000004E21000-memory.dmp
    Filesize

    4KB

  • memory/4072-5-0x0000000004E60000-0x0000000004E61000-memory.dmp
    Filesize

    4KB

  • memory/4072-6-0x0000000004E00000-0x0000000004E01000-memory.dmp
    Filesize

    4KB

  • memory/4072-8-0x0000000004E40000-0x0000000004E41000-memory.dmp
    Filesize

    4KB