Resubmissions

18-03-2021 16:36

210318-gp18cmknhn 10

18-03-2021 16:36

210318-c2gfjesvja 10

18-03-2021 16:36

210318-vqkv89gzv2 10

18-03-2021 16:36

210318-hkbpmljzte 10

18-03-2021 16:36

210318-x2ph225zjs 10

18-03-2021 16:04

210318-a66favrxcs 10

General

  • Target

    Setup3310.exe

  • Size

    381KB

  • Sample

    210318-a66favrxcs

  • MD5

    acf61459d6319724ab22cb5a8308d429

  • SHA1

    8a5d782e6f31c3005e5e0706a3d266ece492a6cf

  • SHA256

    344d7b46385722db4733eee860283c00327c85f28dd76acc996be63f4c4c956e

  • SHA512

    d5f38cb8ed500510ba7d466345c854856ec70121683d4b5398651bfd41a7f5f8d754e8fece0bca38e334214d326afa1970b19e79c3d8507bff9d7782df762877

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://labsclub.com/welcome

Extracted

Family

smokeloader

Version

2019

C2

http://10022020newfolder1002002131-service1002.space/

http://10022020newfolder1002002231-service1002.space/

http://10022020newfolder3100231-service1002.space/

http://10022020newfolder1002002431-service1002.space/

http://10022020newfolder1002002531-service1002.space/

http://10022020newfolder33417-01242510022020.space/

http://10022020test125831-service1002012510022020.space/

http://10022020test136831-service1002012510022020.space/

http://10022020test147831-service1002012510022020.space/

http://10022020test146831-service1002012510022020.space/

http://10022020test134831-service1002012510022020.space/

http://10022020est213531-service100201242510022020.ru/

http://10022020yes1t3481-service1002012510022020.ru/

http://10022020test13561-service1002012510022020.su/

http://10022020test14781-service1002012510022020.info/

http://10022020test13461-service1002012510022020.net/

http://10022020test15671-service1002012510022020.tech/

http://10022020test12671-service1002012510022020.online/

http://10022020utest1341-service1002012510022020.ru/

http://10022020uest71-service100201dom2510022020.ru/

rc4.i32
rc4.i32

Extracted

Family

metasploit

Version

windows/single_exec

Extracted

Family

raccoon

Botnet

afefd33a49c7cbd55d417545269920f24c85aa37

Attributes
  • url4cnc

    https://telete.in/jagressor_kz

rc4.plain
rc4.plain

Targets

    • Target

      Setup3310.exe

    • Size

      381KB

    • MD5

      acf61459d6319724ab22cb5a8308d429

    • SHA1

      8a5d782e6f31c3005e5e0706a3d266ece492a6cf

    • SHA256

      344d7b46385722db4733eee860283c00327c85f28dd76acc996be63f4c4c956e

    • SHA512

      d5f38cb8ed500510ba7d466345c854856ec70121683d4b5398651bfd41a7f5f8d754e8fece0bca38e334214d326afa1970b19e79c3d8507bff9d7782df762877

    • Glupteba

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

    • Glupteba Payload

    • MetaSploit

      Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

    • Raccoon

      Simple but powerful infostealer which was very active in 2019.

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Checks for common network interception software

      Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.

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

    • Modifies boot configuration data using bcdedit

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Looks for VMWare Tools registry key

    • Modifies Windows Firewall

    • Possible attempt to disable PatchGuard

      Rootkits can use kernel patching to embed themselves in an operating system.

    • Sets service image path in registry

    • UPX packed file

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

    • 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.

    • Loads dropped DLL

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • Reads user/profile data of web browsers

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

    • Accesses 2FA software files, possible credential harvesting

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks for any installed AV software in registry

    • 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

    • 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.

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks