General

  • Target

    31e0399fb3b8e83a76e9aca2fcb76523aae6e3a4a4cafbfdc7b6fd7a556c8dc9

  • Size

    1.8MB

  • Sample

    240528-esxkraeb9w

  • MD5

    4eb3e674132ffda940374a71ff21ce94

  • SHA1

    0f1348b988c71a327b3438f3cdd42fbace772039

  • SHA256

    31e0399fb3b8e83a76e9aca2fcb76523aae6e3a4a4cafbfdc7b6fd7a556c8dc9

  • SHA512

    ae87ba7e09e4c4cd99c794dce28e015dc5ee472de7a94c7174af0e919f09dbc1ea882ea05884f8a85c927ffddf6ab9522cc597bfeb5d6c47fdc5b48440018517

  • SSDEEP

    49152:gOtTX2kt/2v1exZpNWWX56aT75q0b8P8jOFt8NnyCwSDM:jKk5I1CZHNDTHb8TFt8NnyCwSDM

Malware Config

Extracted

Family

amadey

Version

4.21

Botnet

49e482

C2

http://147.45.47.70

Attributes
  • install_dir

    1b29d73536

  • install_file

    axplont.exe

  • strings_key

    4d31dd1a190d9879c21fac6d87dc0043

  • url_paths

    /tr8nomy/index.php

rc4.plain

Extracted

Family

redline

Botnet

1

C2

185.215.113.67:40960

Targets

    • Target

      31e0399fb3b8e83a76e9aca2fcb76523aae6e3a4a4cafbfdc7b6fd7a556c8dc9

    • Size

      1.8MB

    • MD5

      4eb3e674132ffda940374a71ff21ce94

    • SHA1

      0f1348b988c71a327b3438f3cdd42fbace772039

    • SHA256

      31e0399fb3b8e83a76e9aca2fcb76523aae6e3a4a4cafbfdc7b6fd7a556c8dc9

    • SHA512

      ae87ba7e09e4c4cd99c794dce28e015dc5ee472de7a94c7174af0e919f09dbc1ea882ea05884f8a85c927ffddf6ab9522cc597bfeb5d6c47fdc5b48440018517

    • SSDEEP

      49152:gOtTX2kt/2v1exZpNWWX56aT75q0b8P8jOFt8NnyCwSDM:jKk5I1CZHNDTHb8TFt8NnyCwSDM

    • Amadey

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

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

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

    • 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 user/profile data of web browsers

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

3
T1082

Collection

Data from Local System

2
T1005

Tasks