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General

  • Target

    random.exe

  • Size

    938KB

  • Sample

    250322-p27r7axjs5

  • MD5

    37de732974e6a068089e610463dfcf8d

  • SHA1

    06408e46cbed44313d25ca507d2e1c4b4153f483

  • SHA256

    1791b49625ea67a1035252f25b155627617e3c49053aa14012b6d194e60ccf5b

  • SHA512

    56136a23d177ceb2181f1301b426e459bac7096d0eb9d198f8cba11692ac2c7dbe34f11f578cc518ac0bc078343191b9b167f7f167fda4bde646f9e48bee8232

  • SSDEEP

    24576:NqDEvCTbMWu7rQYlBQcBiT6rprG8a0Xu:NTvC/MTQYxsWR7a0X

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://176.113.115.7/mine/random.exe

Extracted

Family

amadey

Version

5.21

Botnet

092155

C2

http://176.113.115.6

Attributes
  • install_dir

    bb556cff4a

  • install_file

    rapes.exe

  • strings_key

    a131b127e996a898cd19ffb2d92e481b

  • url_paths

    /Ni9kiput/index.php

rc4.plain

Extracted

Family

skuld

C2

https://discordapp.com/api/webhooks/1349647136895012916/qSys_fpsL_y7usKH_AyrFupSjzSsVfg2t895g2HV8Yz72asrwCIsHaqqhPtDFjz8g8_E

Targets

    • Target

      random.exe

    • Size

      938KB

    • MD5

      37de732974e6a068089e610463dfcf8d

    • SHA1

      06408e46cbed44313d25ca507d2e1c4b4153f483

    • SHA256

      1791b49625ea67a1035252f25b155627617e3c49053aa14012b6d194e60ccf5b

    • SHA512

      56136a23d177ceb2181f1301b426e459bac7096d0eb9d198f8cba11692ac2c7dbe34f11f578cc518ac0bc078343191b9b167f7f167fda4bde646f9e48bee8232

    • SSDEEP

      24576:NqDEvCTbMWu7rQYlBQcBiT6rprG8a0Xu:NTvC/MTQYxsWR7a0X

    • Amadey

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

    • Amadey family

    • Skuld family

    • Skuld stealer

      An info stealer written in Go lang.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

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

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Downloads MZ/PE file

    • Sets service image path in registry

    • 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

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Adds Run key to start application

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks