General

  • Target

    keygen-step-4.exe

  • Size

    6.3MB

  • Sample

    210306-axwe7c6x12

  • MD5

    5f6a71ec27ed36a11d17e0989ffb0382

  • SHA1

    a66b0e4d8ba90fc97e4d5eb37d7fbc12ade9a556

  • SHA256

    a546a1f257585e2f4c093db2b7eeb6413a314ffb1296d97fd31d0363e827cc65

  • SHA512

    d67e0f1627e5416aef1185aea2125c8502aac02b6d3e8eec301e344f5074bfce8b2aded37b2730a65c04b95b1ba6151e79048642ef1d0c9b32702f919b42f7b4

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

e71b51d358b75fe1407b56bf2284e3fac50c860f

Attributes
  • url4cnc

    https://telete.in/oidmrwednesday

rc4.plain
rc4.plain

Extracted

Family

raccoon

Botnet

afefd33a49c7cbd55d417545269920f24c85aa37

Attributes
  • url4cnc

    https://telete.in/jagressor_kz

rc4.plain
rc4.plain

Extracted

Family

buer

C2

securedocumentsholding.com

Extracted

Family

smokeloader

Version

2020

C2

http://naritouzina.net/

http://nukaraguasleep.net/

http://notfortuaj.net/

http://natuturalistic.net/

http://zaniolofusa.net/

http://4zavr.com/upload/

http://zynds.com/upload/

http://atvua.com/upload/

http://detse.net/upload/

http://dsdett.com/upload/

http://dtabasee.com/upload/

http://yeronogles.monster/upload/

rc4.i32
rc4.i32

Extracted

Path

C:\_readme.txt

Ransom Note
ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-2w03ajSkK1 Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0284oPsw3ezhjPtxWDziPslvS8B5oPPMFNAoVSRklvLjTL5s9
URLs

https://we.tl/t-2w03ajSkK1

Targets

    • Target

      keygen-step-4.exe

    • Size

      6.3MB

    • MD5

      5f6a71ec27ed36a11d17e0989ffb0382

    • SHA1

      a66b0e4d8ba90fc97e4d5eb37d7fbc12ade9a556

    • SHA256

      a546a1f257585e2f4c093db2b7eeb6413a314ffb1296d97fd31d0363e827cc65

    • SHA512

      d67e0f1627e5416aef1185aea2125c8502aac02b6d3e8eec301e344f5074bfce8b2aded37b2730a65c04b95b1ba6151e79048642ef1d0c9b32702f919b42f7b4

    • Buer

      Buer is a new modular loader first seen in August 2019.

    • ElysiumStealer

      ElysiumStealer (previously known as ZeromaxStealer) is an info stealer that can steal login credentials for various accounts.

    • ElysiumStealer Payload

    • ElysiumStealer Support DLL

    • 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.

    • PlugX

      PlugX is a RAT (Remote Access Trojan) that has been around since 2008.

    • 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.

    • RedLine Payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Taurus Stealer

      Taurus is an infostealer first seen in June 2020.

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Windows security bypass

    • xmrig

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

    • Buer Loader

      Detects Buer loader in memory or disk.

    • 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

    • Nirsoft

    • XMRig Miner Payload

    • Creates new service(s)

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • Possible attempt to disable PatchGuard

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

    • Sets service image path in registry

    • Suspicious Office macro

      Office document equipped with 4.0 macros.

    • 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.

    • Drops startup file

    • 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.

    • Windows security modification

    • themida

      Detects Themida, Advanced Windows software protection system.

    • 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

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • 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.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks

static1

Score
N/A

behavioral1

elysiumstealerbootkitdiscoveryevasionmacropersistencespywarestealerthemidatrojanupxxlm
Score
10/10

behavioral2

buerelysiumstealergluptebametasploitraccoonredlinesmokeloadervidarxmrigafefd33a49c7cbd55d417545269920f24c85aa37e71b51d358b75fe1407b56bf2284e3fac50c860fbackdoorbootkitdiscoverydropperevasioninfostealerloadermacrominerpersistencespywarestealerthemidatrojanupxxlm
Score
10/10

behavioral3

buerelysiumstealergluptebametasploitraccoonredlinesmokeloadertofseevidarxmrigafefd33a49c7cbd55d417545269920f24c85aa37e71b51d358b75fe1407b56bf2284e3fac50c860fbackdoorbootkitdiscoverydropperevasioninfostealerloadermacrominerpersistencespywarestealerthemidatrojanupxxlm
Score
10/10

behavioral4

elysiumstealergluptebametasploitplugxraccoonredlinesmokeloadertofseevidarxmrigafefd33a49c7cbd55d417545269920f24c85aa37e71b51d358b75fe1407b56bf2284e3fac50c860fbackdoorbootkitdiscoverydropperevasioninfostealerloadermacrominerpersistencespywarestealerthemidatrojanupxxlm
Score
10/10

behavioral5

buerelysiumstealergluptebametasploitplugxraccoonredlinesmokeloadertaurus_stealertofseevidarxmrigafefd33a49c7cbd55d417545269920f24c85aa37e71b51d358b75fe1407b56bf2284e3fac50c860fbackdoorbootkitdiscoverydropperevasioninfostealerloadermacrominerpersistenceransomwarespywarestealerthemidatrojanupxxlm
Score
10/10