Overview

overview

10

Static

static

3

chrosha.exe

windows7-x64

10

chrosha.exe

windows10-1703-x64

10

chrosha.exe

windows10-2004-x64

10

chrosha.exe

windows11-21h2-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    chrosha.exe

  • Size

    1.8MB

  • Sample

    240629-ph6qsaxdkh

  • MD5

    73d73c48859fc7aa4fd78d9a57f859d6

  • SHA1

    c1f71ea0692d97c653ff5a5ecbc03fd02173fe05

  • SHA256

    d46a8fa545385ab42ca58f6175b13f4b9989d88322ab624f646623b4a52a4876

  • SHA512

    f0634be539582016c03e83f3ca58d613fc16abcc0a9c320321f455234a8f2dc1c199fc52187abac5e4cbbe7b7907afdaa89813f50cbecd611f7e870ee7f8e979

  • SSDEEP

    24576:Snk5YKXHSuRlxqOd8pF2h99TqJWVs/ae2c01R/QTS5I0aQrnnuls5py6sDya:0YNxd7h9hqJ2s/ae10e0aiCKrsu

Score
10/10
amadey090bb7evasiontrojan

Malware Config

Extracted

Family

amadey

Version

4.17

Botnet

090bb7

C2

http://193.233.132.167

Attributes
  • install_dir

    4d0ab15804

  • install_file

    chrosha.exe

  • strings_key

    1a9519d7b465e1f4880fa09a6162d768

  • url_paths

    /enigma/index.php

rc4.plain

Targets

    • Target

      chrosha.exe

    • Size

      1.8MB

    • MD5

      73d73c48859fc7aa4fd78d9a57f859d6

    • SHA1

      c1f71ea0692d97c653ff5a5ecbc03fd02173fe05

    • SHA256

      d46a8fa545385ab42ca58f6175b13f4b9989d88322ab624f646623b4a52a4876

    • SHA512

      f0634be539582016c03e83f3ca58d613fc16abcc0a9c320321f455234a8f2dc1c199fc52187abac5e4cbbe7b7907afdaa89813f50cbecd611f7e870ee7f8e979

    • SSDEEP

      24576:Snk5YKXHSuRlxqOd8pF2h99TqJWVs/ae2c01R/QTS5I0aQrnnuls5py6sDya:0YNxd7h9hqJ2s/ae10e0aiCKrsu

    Score
    10/10
    amadey090bb7evasiontrojan

    • Amadey

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

      trojanamadey

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

      evasion

    • Checks BIOS information in registry

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

    • Executes dropped EXE

    • Identifies Wine through registry keys

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

      evasion

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2behavioral3behavioral4

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks