General

  • Target

    t6665744.exe

  • Size

    315KB

  • Sample

    230904-brgalach4y

  • MD5

    05ac4bd3218eb17e8034db0341254594

  • SHA1

    c742bd02fa93cbce295f20c24b8e0415d7f6b5ac

  • SHA256

    93c2adf6f76338ef8d08d143d8cd26f049f176fdb69354c9dac58413f6b4eb1d

  • SHA512

    68e430253ebb844bb34cf35822fa8e413384be217215818aedb4d405175e6b04c811f1d2489531f386a887541a1eaf161d86f1ed0382bef424354ddb3edc56ac

  • SSDEEP

    6144:zR/tsQnf6X0M6+koYhXMxjwigfwfgbePu97rrAOQ322222KTq:zRlHVckoaXMxcePu97Hg22222iq

Malware Config

Extracted

Family

amadey

Version

3.87

C2

193.233.255.9/nasa/index.php

Attributes
  • install_dir

    ebb444342c

  • install_file

    legosa.exe

  • strings_key

    0b59a358b8646634fe523e0d5fe7fc43

rc4.plain

Extracted

Family

redline

Botnet

10K

C2

77.232.38.234:80

Attributes
  • auth_value

    e0b9a8ef2c92da39d627d67103b3b93f

Extracted

Family

redline

C2

91.103.252.3:48665

Attributes
  • auth_value

    0c16e9e64d9b037e5f1ff9082d8f439f

Extracted

Family

amadey

Version

3.83

C2

5.42.65.80/8bmeVwqx/index.php

Attributes
  • install_dir

    207aa4515d

  • install_file

    oneetx.exe

  • strings_key

    3e634dd0840c68ae2ced83c2be7bf0d4

rc4.plain

Extracted

Family

amadey

Version

3.88

C2

79.110.62.80/8bmeVwqx/index.php

Attributes
  • install_dir

    e8bff37b77

  • install_file

    yiueea.exe

  • strings_key

    dc58c693b6742b940cbf7234174a0f66

rc4.plain

Extracted

Family

laplas

C2

http://lpls.tuktuk.ug

Attributes
  • api_key

    a0f588021b58e0c7908a163f8750678efedf2a66bf739a12427b379aef47ccde

Targets

    • Target

      t6665744.exe

    • Size

      315KB

    • MD5

      05ac4bd3218eb17e8034db0341254594

    • SHA1

      c742bd02fa93cbce295f20c24b8e0415d7f6b5ac

    • SHA256

      93c2adf6f76338ef8d08d143d8cd26f049f176fdb69354c9dac58413f6b4eb1d

    • SHA512

      68e430253ebb844bb34cf35822fa8e413384be217215818aedb4d405175e6b04c811f1d2489531f386a887541a1eaf161d86f1ed0382bef424354ddb3edc56ac

    • SSDEEP

      6144:zR/tsQnf6X0M6+koYhXMxjwigfwfgbePu97rrAOQ322222KTq:zRlHVckoaXMxcePu97Hg22222iq

    • Amadey

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

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Laplas Clipper

      Laplas is a crypto wallet stealer with three variants written in Golang, C#, and C++.

    • RedLine

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

    • RedLine payload

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Windows security bypass

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

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Stops running service(s)

    • 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.

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Uses the VBS compiler for execution

    • Windows security modification

    • Accesses Microsoft Outlook profiles

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Checks whether UAC is enabled

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Manipulates WinMonFS driver.

      Roottkits write to WinMonFS to hide directories/files from being detected.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks