General

  • Target

    a70bef9e7c594db6f948ed275fb995527f92bf4536da46b0f0a134f1092c1977

  • Size

    1.8MB

  • Sample

    240428-ht31psag3y

  • MD5

    8196ce484e7137d2ad7be00255ddc42c

  • SHA1

    3c15db55a651787b3e7ce168dc83b47dfda4caff

  • SHA256

    a70bef9e7c594db6f948ed275fb995527f92bf4536da46b0f0a134f1092c1977

  • SHA512

    3566c3ebdffadb02da673b5791f36d7d449e3f29c650dd73c975cf0545c7b7e629a9c6906be5ab09bef3d29deb448479396b37f96872d05d1281af3bdb2f812c

  • SSDEEP

    49152:03/bnMUU8XZfvoXtYRBYdC/kCNBPL6VWWts/UyyXh+FzmH:0jnMU7ZXo9YsC/kCPL6Z+0Am

Malware Config

Extracted

Family

amadey

Version

4.20

C2

http://193.233.132.139

Attributes
  • install_dir

    5454e6f062

  • install_file

    explorta.exe

  • strings_key

    c7a869c5ba1d72480093ec207994e2bf

  • url_paths

    /sev56rkm/index.php

rc4.plain

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

Extracted

Family

xworm

Version

5.0

C2

127.0.0.1:7000

91.92.252.220:7000

41.199.23.195:7000

saveclinetsforme68465454711991.publicvm.com:7000

Mutex

bBT8anvIxhxDFmkf

Attributes
  • Install_directory

    %AppData%

  • install_file

    explorer.exe

  • telegram

    https://api.telegram.org/bot2128988424:AAEkYnwvOQA95riqRZwlqBxg4GV-odRNOyo/sendMessage?chat_id=966649672

aes.plain

Extracted

Family

stealc

C2

http://185.172.128.62

Attributes
  • url_path

    /902e53a07830e030.php

Targets

    • Target

      a70bef9e7c594db6f948ed275fb995527f92bf4536da46b0f0a134f1092c1977

    • Size

      1.8MB

    • MD5

      8196ce484e7137d2ad7be00255ddc42c

    • SHA1

      3c15db55a651787b3e7ce168dc83b47dfda4caff

    • SHA256

      a70bef9e7c594db6f948ed275fb995527f92bf4536da46b0f0a134f1092c1977

    • SHA512

      3566c3ebdffadb02da673b5791f36d7d449e3f29c650dd73c975cf0545c7b7e629a9c6906be5ab09bef3d29deb448479396b37f96872d05d1281af3bdb2f812c

    • SSDEEP

      49152:03/bnMUU8XZfvoXtYRBYdC/kCNBPL6VWWts/UyyXh+FzmH:0jnMU7ZXo9YsC/kCPL6Z+0Am

    • Amadey

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

    • Detect Xworm Payload

    • Glupteba

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

    • Glupteba payload

    • RisePro

      RisePro stealer is an infostealer distributed by PrivateLoader.

    • Stealc

      Stealc is an infostealer written in C++.

    • Xworm

      Xworm is a remote access trojan written in C#.

    • 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.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Modify Registry

1
T1112

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

4
T1082

Command and Control

Web Service

1
T1102

Tasks