General

  • Target

    8d8e0afa6f4c379900b267cc91488aa478282e8a2811341ce0f76968fa4c8b73

  • Size

    1.8MB

  • Sample

    240425-dwry1aec95

  • MD5

    de5e3f8bf3ab95d814e126d7d7214ac7

  • SHA1

    a7fa0676f5dbea99778b36aa169036b0487191cd

  • SHA256

    8d8e0afa6f4c379900b267cc91488aa478282e8a2811341ce0f76968fa4c8b73

  • SHA512

    3ffa407806ec3315a8e339455dcfbe2864686fdbb9b51511822ee80543bb662db275ffbfaa11d79385cf6c5d768278512eea05025b17f2399174bfc471bf3129

  • SSDEEP

    49152:VX29t+xBfvR4wA4u1gO7lMg8z1XwaJ88Dz1dt+Ccq6:VG9tSBCwByllMg8z5wClDBT+Ccq6

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

Targets

    • Target

      8d8e0afa6f4c379900b267cc91488aa478282e8a2811341ce0f76968fa4c8b73

    • Size

      1.8MB

    • MD5

      de5e3f8bf3ab95d814e126d7d7214ac7

    • SHA1

      a7fa0676f5dbea99778b36aa169036b0487191cd

    • SHA256

      8d8e0afa6f4c379900b267cc91488aa478282e8a2811341ce0f76968fa4c8b73

    • SHA512

      3ffa407806ec3315a8e339455dcfbe2864686fdbb9b51511822ee80543bb662db275ffbfaa11d79385cf6c5d768278512eea05025b17f2399174bfc471bf3129

    • SSDEEP

      49152:VX29t+xBfvR4wA4u1gO7lMg8z1XwaJ88Dz1dt+Ccq6:VG9tSBCwByllMg8z5wClDBT+Ccq6

    • Amadey

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

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

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • 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.

    • Loads dropped DLL

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Unsecured Credentials

3
T1552

Credentials In Files

2
T1552.001

Credentials in Registry

1
T1552.002

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Tasks