General

  • Target

    7847ec97365bd923ccf03c3c899e0b74e6b47ee3d2dea3e411be4032a7d9f9f4

  • Size

    1.8MB

  • Sample

    240329-k3sbnsee54

  • MD5

    03f56c48e317a9731d4fea32691f8c34

  • SHA1

    a15ea9c51cdf40b9b70ce0dcd140ecd7feed8a71

  • SHA256

    7847ec97365bd923ccf03c3c899e0b74e6b47ee3d2dea3e411be4032a7d9f9f4

  • SHA512

    0bb4fdff48b5434d23dec839df8724ef1899374e1074a3c1c660fd5fe2ca09755bbbf6025d818000d998a639bda0e92e2113c4b94c68afdf5f84cd477fe8784c

  • SSDEEP

    49152:Ab7moX0306oxAnSsqb7OpIfAPWN3NX7w5:A3moX0306o+Ub7S0APv

Malware Config

Extracted

Family

amadey

Version

4.18

C2

http://193.233.132.56

Attributes
  • install_dir

    09fd851a4f

  • install_file

    explorha.exe

  • strings_key

    443351145ece4966ded809641c77cfa8

  • url_paths

    /Pneh2sXQk0/index.php

rc4.plain

Targets

    • Target

      7847ec97365bd923ccf03c3c899e0b74e6b47ee3d2dea3e411be4032a7d9f9f4

    • Size

      1.8MB

    • MD5

      03f56c48e317a9731d4fea32691f8c34

    • SHA1

      a15ea9c51cdf40b9b70ce0dcd140ecd7feed8a71

    • SHA256

      7847ec97365bd923ccf03c3c899e0b74e6b47ee3d2dea3e411be4032a7d9f9f4

    • SHA512

      0bb4fdff48b5434d23dec839df8724ef1899374e1074a3c1c660fd5fe2ca09755bbbf6025d818000d998a639bda0e92e2113c4b94c68afdf5f84cd477fe8784c

    • SSDEEP

      49152:Ab7moX0306oxAnSsqb7OpIfAPWN3NX7w5:A3moX0306o+Ub7S0APv

    • 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.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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

4
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

3
T1082

Collection

Data from Local System

3
T1005

Tasks