General

  • Target

    cafa2ce9e6856a4e02ff081e926f8d2636af943a0cc49d40cf09147c449f4fc5

  • Size

    185KB

  • Sample

    211028-gzkkwahda7

  • MD5

    a476aaecec79520fab6b52c0a75a65e4

  • SHA1

    4ddbef9ce2b0aa45b1bbe22b66e205eebed1e47a

  • SHA256

    cafa2ce9e6856a4e02ff081e926f8d2636af943a0cc49d40cf09147c449f4fc5

  • SHA512

    96f77547326678308f5965751c6bb667d8459da0349bae48296bc2a982fec2f62b5e96349917182cba75a9b8b24a9f54b31bf918d766891198ff3c90670695d5

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://xacokuo8.top/

http://hajezey1.top/

http://nusurtal4f.net/

http://netomishnetojuk.net/

http://escalivrouter.net/

http://nick22doom4.net/

http://wrioshtivsio.su/

http://nusotiso4.su/

http://rickkhtovkka.biz/

http://palisotoliso.net/

rc4.i32
rc4.i32
rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

999323

C2

93.115.20.139:28978

Extracted

Family

amadey

Version

2.70

C2

185.215.113.45/g4MbvE/index.php

Extracted

Family

vidar

Version

41.6

Botnet

754

C2

https://mas.to/@lilocc

Attributes
  • profile_id

    754

Extracted

Family

redline

Botnet

SafeInstaller

C2

185.183.32.161:80

Extracted

Family

raccoon

Botnet

60e59be328fbd2ebac1839ea99411dccb00a6f49

Attributes
  • url4cnc

    http://telegin.top/agrybirdsgamerept

    http://ttmirror.top/agrybirdsgamerept

    http://teletele.top/agrybirdsgamerept

    http://telegalive.top/agrybirdsgamerept

    http://toptelete.top/agrybirdsgamerept

    http://telegraf.top/agrybirdsgamerept

    https://t.me/agrybirdsgamerept

rc4.plain
rc4.plain

Extracted

Family

djvu

C2

http://rlrz.org/lancer/get.php

Attributes
  • extension

    .rivd

  • offline_id

    WbO7bkwHxaepEmevfYYUBNgcxNJGpd7hoNKokRt1

  • payload_url

    http://znpst.top/dl/build2.exe

    http://rlrz.org/files/1/build3.exe

  • ransomnote

    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-CcXGxzXf71 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: manager@mailtemp.ch Reserve e-mail address to contact us: supporthelp@airmail.cc Your personal ID: 0342gSd743d

rsa_pubkey.plain

Extracted

Family

vidar

Version

41.6

Botnet

706

C2

https://mas.to/@lilocc

Attributes
  • profile_id

    706

Extracted

Family

vidar

Version

41.5

Botnet

517

C2

https://mas.to/@xeroxxx

Attributes
  • profile_id

    517

Targets

    • Target

      cafa2ce9e6856a4e02ff081e926f8d2636af943a0cc49d40cf09147c449f4fc5

    • Size

      185KB

    • MD5

      a476aaecec79520fab6b52c0a75a65e4

    • SHA1

      4ddbef9ce2b0aa45b1bbe22b66e205eebed1e47a

    • SHA256

      cafa2ce9e6856a4e02ff081e926f8d2636af943a0cc49d40cf09147c449f4fc5

    • SHA512

      96f77547326678308f5965751c6bb667d8459da0349bae48296bc2a982fec2f62b5e96349917182cba75a9b8b24a9f54b31bf918d766891198ff3c90670695d5

    • Amadey

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

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • 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.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar Stealer

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Deletes itself

    • Loads dropped DLL

    • Modifies file permissions

    • 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 installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Hidden Files and Directories

1
T1158

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

File Permissions Modification

1
T1222

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Hidden Files and Directories

1
T1158

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Tasks