Analysis

  • max time kernel
    148s
  • max time network
    152s
  • 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 03:27

General

  • Target

    4b06de871b297f9208c7211bf674b239fa8c83a6996746d6991bbdaa884a0e67.exe

  • Size

    1.8MB

  • MD5

    863fdb1b3a20d1061ab13283438ff9ba

  • SHA1

    976b66a2ce413ca6b8514b369f68eb4a237c1436

  • SHA256

    4b06de871b297f9208c7211bf674b239fa8c83a6996746d6991bbdaa884a0e67

  • SHA512

    a0cce4013b2e76af00ba61fa9b72e9e27341d15d7de6d834f2289329d69ec3e9b0f41a4f1f60f2506a94f0c0114e626c20b49307fd81083b2189405b1e1f858c

  • SSDEEP

    49152:Uqo9Kvu7k6EyLD4j6xAwOA1I31VZu20/skfm:US4bLkj6xAPAu3c2g

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\4b06de871b297f9208c7211bf674b239fa8c83a6996746d6991bbdaa884a0e67.exe
    "C:\Users\Admin\AppData\Local\Temp\4b06de871b297f9208c7211bf674b239fa8c83a6996746d6991bbdaa884a0e67.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:3452
  • 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:2504

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

    863fdb1b3a20d1061ab13283438ff9ba

    SHA1

    976b66a2ce413ca6b8514b369f68eb4a237c1436

    SHA256

    4b06de871b297f9208c7211bf674b239fa8c83a6996746d6991bbdaa884a0e67

    SHA512

    a0cce4013b2e76af00ba61fa9b72e9e27341d15d7de6d834f2289329d69ec3e9b0f41a4f1f60f2506a94f0c0114e626c20b49307fd81083b2189405b1e1f858c

  • memory/2504-30-0x0000000000D40000-0x00000000011EE000-memory.dmp
    Filesize

    4.7MB

  • memory/2504-18-0x0000000000D40000-0x00000000011EE000-memory.dmp
    Filesize

    4.7MB

  • memory/2504-39-0x0000000000D40000-0x00000000011EE000-memory.dmp
    Filesize

    4.7MB

  • memory/2504-24-0x0000000004B10000-0x0000000004B11000-memory.dmp
    Filesize

    4KB

  • memory/2504-38-0x0000000000D40000-0x00000000011EE000-memory.dmp
    Filesize

    4.7MB

  • memory/2504-37-0x0000000000D40000-0x00000000011EE000-memory.dmp
    Filesize

    4.7MB

  • memory/2504-36-0x0000000000D40000-0x00000000011EE000-memory.dmp
    Filesize

    4.7MB

  • memory/2504-23-0x0000000004B80000-0x0000000004B81000-memory.dmp
    Filesize

    4KB

  • memory/2504-35-0x0000000000D40000-0x00000000011EE000-memory.dmp
    Filesize

    4.7MB

  • memory/2504-34-0x0000000000D40000-0x00000000011EE000-memory.dmp
    Filesize

    4.7MB

  • memory/2504-33-0x0000000000D40000-0x00000000011EE000-memory.dmp
    Filesize

    4.7MB

  • memory/2504-29-0x0000000000D40000-0x00000000011EE000-memory.dmp
    Filesize

    4.7MB

  • memory/2504-19-0x0000000000D40000-0x00000000011EE000-memory.dmp
    Filesize

    4.7MB

  • memory/2504-22-0x0000000004B30000-0x0000000004B31000-memory.dmp
    Filesize

    4KB

  • memory/2504-26-0x0000000004B70000-0x0000000004B71000-memory.dmp
    Filesize

    4KB

  • memory/2504-25-0x0000000004B20000-0x0000000004B21000-memory.dmp
    Filesize

    4KB

  • memory/2504-32-0x0000000000D40000-0x00000000011EE000-memory.dmp
    Filesize

    4.7MB

  • memory/2504-31-0x0000000000D40000-0x00000000011EE000-memory.dmp
    Filesize

    4.7MB

  • memory/2504-20-0x0000000004B40000-0x0000000004B41000-memory.dmp
    Filesize

    4KB

  • memory/2504-21-0x0000000004B50000-0x0000000004B51000-memory.dmp
    Filesize

    4KB

  • memory/2504-28-0x0000000004B90000-0x0000000004B91000-memory.dmp
    Filesize

    4KB

  • memory/2504-27-0x0000000004BA0000-0x0000000004BA1000-memory.dmp
    Filesize

    4KB

  • memory/3452-15-0x0000000000500000-0x00000000009AE000-memory.dmp
    Filesize

    4.7MB

  • memory/3452-0-0x0000000000500000-0x00000000009AE000-memory.dmp
    Filesize

    4.7MB

  • memory/3452-9-0x0000000004FD0000-0x0000000004FD1000-memory.dmp
    Filesize

    4KB

  • memory/3452-6-0x0000000004F50000-0x0000000004F51000-memory.dmp
    Filesize

    4KB

  • memory/3452-1-0x00000000772D6000-0x00000000772D8000-memory.dmp
    Filesize

    8KB

  • memory/3452-2-0x0000000000500000-0x00000000009AE000-memory.dmp
    Filesize

    4.7MB

  • memory/3452-8-0x0000000004FE0000-0x0000000004FE1000-memory.dmp
    Filesize

    4KB

  • memory/3452-3-0x0000000004F80000-0x0000000004F81000-memory.dmp
    Filesize

    4KB

  • memory/3452-4-0x0000000004F70000-0x0000000004F71000-memory.dmp
    Filesize

    4KB

  • memory/3452-5-0x0000000004FB0000-0x0000000004FB1000-memory.dmp
    Filesize

    4KB

  • memory/3452-7-0x0000000004F60000-0x0000000004F61000-memory.dmp
    Filesize

    4KB