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General

  • Target

    9a8eb253e846736d49e384075dd16e22a4bdf2427c9a0181b10598014c2e1c95

  • Size

    1.7MB

  • Sample

    240519-yjyagaeh5x

  • MD5

    a7ebaf81abe217a8cb36524f5d61a348

  • SHA1

    e821e45c6b111eeca1fc128bf2b3d899da133d5c

  • SHA256

    9a8eb253e846736d49e384075dd16e22a4bdf2427c9a0181b10598014c2e1c95

  • SHA512

    c5bc33ea2f46104784a11a0c9e28c1d9e0d9c2160632b3bca5aee1e32dcfddcb1394f9228cbc67fa7e4fcfb54baff30187e486f67855fc08381d388bbd08f62d

  • SSDEEP

    49152:Z5rAue2nx0SYOxllBSyIO/UNDRgPFOyLZ3McWUN+1f64:Z5MInx0SYgllIv/VRg398c9+15

Malware Config

Extracted

Family

amadey

Version

4.20

Botnet

18befc

C2

http://5.42.96.141

Attributes
  • install_dir

    908f070dff

  • install_file

    explorku.exe

  • strings_key

    b25a9385246248a95c600f9a061438e1

  • url_paths

    /go34ko8/index.php

rc4.plain

Extracted

Family

risepro

C2

147.45.47.126:58709

Extracted

Family

amadey

Version

4.20

Botnet

c767c0

C2

http://5.42.96.7

Attributes
  • install_dir

    7af68cdb52

  • install_file

    axplons.exe

  • strings_key

    e2ce58e78f631ed97d01fe7b70e85d5e

  • url_paths

    /zamo7h/index.php

rc4.plain

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://d22hce23hy1ej9.cloudfront.net/load/th.php?a=2836&c=1002

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://d22hce23hy1ej9.cloudfront.net/load/dl.php?id=458&c=1002

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://d22hce23hy1ej9.cloudfront.net/load/dl.php?id=444&c=1002

Targets

    • Target

      9a8eb253e846736d49e384075dd16e22a4bdf2427c9a0181b10598014c2e1c95

    • Size

      1.7MB

    • MD5

      a7ebaf81abe217a8cb36524f5d61a348

    • SHA1

      e821e45c6b111eeca1fc128bf2b3d899da133d5c

    • SHA256

      9a8eb253e846736d49e384075dd16e22a4bdf2427c9a0181b10598014c2e1c95

    • SHA512

      c5bc33ea2f46104784a11a0c9e28c1d9e0d9c2160632b3bca5aee1e32dcfddcb1394f9228cbc67fa7e4fcfb54baff30187e486f67855fc08381d388bbd08f62d

    • SSDEEP

      49152:Z5rAue2nx0SYOxllBSyIO/UNDRgPFOyLZ3McWUN+1f64:Z5MInx0SYgllIv/VRg398c9+15

    • Amadey

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

    • RisePro

      RisePro stealer is an infostealer distributed by PrivateLoader.

    • 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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • 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.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks