General

  • Target

    u8542029.exe

  • Size

    316KB

  • Sample

    230904-f48mtsed25

  • MD5

    9be7155d4a92aee655188c13f3fb8a77

  • SHA1

    fb89091adce9edb48f90539154d566b710df5f3e

  • SHA256

    c8f3c74d30f1700a5c6a971318486e0ec9d67f29ce1ae32f3278bdfd21192cc8

  • SHA512

    e9983afb7d5e6669ae2e5f471678e44e0ab54391cb22a59c914adccaebe5ab0dd57d788d7edcf032f68550a064f6685b7bf181c3a55da18fff3702b0850bf7cc

  • 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

redline

Botnet

010923

C2

happy1sept.tuktuk.ug:11290

Attributes
  • auth_value

    8338bf26f599326ee45afe9d54f7ef8e

Extracted

Family

laplas

C2

http://lpls.tuktuk.ug

Attributes
  • api_key

    a0f588021b58e0c7908a163f8750678efedf2a66bf739a12427b379aef47ccde

Targets

    • Target

      u8542029.exe

    • Size

      316KB

    • MD5

      9be7155d4a92aee655188c13f3fb8a77

    • SHA1

      fb89091adce9edb48f90539154d566b710df5f3e

    • SHA256

      c8f3c74d30f1700a5c6a971318486e0ec9d67f29ce1ae32f3278bdfd21192cc8

    • SHA512

      e9983afb7d5e6669ae2e5f471678e44e0ab54391cb22a59c914adccaebe5ab0dd57d788d7edcf032f68550a064f6685b7bf181c3a55da18fff3702b0850bf7cc

    • 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)

    • Blocklisted process makes network request

    • 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.

    • 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 Matrix ATT&CK v13

Execution

Scripting

1
T1064

Scheduled Task/Job

1
T1053

Persistence

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Impair Defenses

3
T1562

Disable or Modify Tools

2
T1562.001

Modify Registry

3
T1112

Virtualization/Sandbox Evasion

1
T1497

Scripting

1
T1064

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

6
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

6
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Impact

Service Stop

1
T1489

Tasks