Overview

overview

10

Static

static

e5cbc19ca3...48.exe

windows7_x64

10

e5cbc19ca3...48.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    e5cbc19ca3b11100b8cbbe896649dedaff3ed65cb211ddad146f2f846b687d48

  • Size

    4.5MB

  • Sample

    220313-yhx83saaf2

  • MD5

    17df88f527c1c49238deccd3e557dabc

  • SHA1

    3fe4641f8e6d38c5537fb4872098184d181c96a1

  • SHA256

    e5cbc19ca3b11100b8cbbe896649dedaff3ed65cb211ddad146f2f846b687d48

  • SHA512

    0e8796d839a29a888fcc77adca823e72bcca67fb28f6af36e70945f848ceaef097fe844f3a8da5938267b05eb24eabd62d8cff275138cfbd773e03f30fe8e7c2

Score
10/10
djvuonlyloggerredlinesmokeloadertofseevidar706@ywqmreinstallspizzadlyashekeraruz876ruzki000ruzki12_03servaniaspackv2backdoordiscoveryevasioninfostealerloaderpersistenceransomwarespywarestealertrojanupx

Malware Config

Extracted

Family

vidar

Version

39.4

Botnet

706

C2

https://sergeevih43.tumblr.com/

Attributes
  • profile_id

    706

Extracted

Family

redline

Botnet

ruzki000

C2

86.107.197.196:63065

Attributes
  • auth_value

    80fac7f67bd38aa709bbeef7a44ccb47

Extracted

Family

redline

Botnet

ServAni

C2

87.251.71.195:82

Extracted

Family

djvu

C2

http://fuyt.org/test3/get.php

Attributes
  • extension

    .xcbg

  • offline_id

    y6oQcfhmSRc7ZQ1q8yjLE3LhY8kK7FHg6LLlEht1

  • payload_url

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

    http://fuyt.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-zHDj26n4NW 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: support@sysmail.ch Reserve e-mail address to contact us: supportsys@airmail.cc Your personal ID: 0417Jsfkjn

rsa_pubkey.plain

Extracted

Family

redline

Botnet

ruz876

C2

185.215.113.7:5186

Attributes
  • auth_value

    4750f6742a496bbe74a981d51e7680ad

Extracted

Family

smokeloader

Version

2020

C2

http://ppcspb.com/upload/

http://mebbing.com/upload/

http://twcamel.com/upload/

http://howdycash.com/upload/

http://lahuertasonora.com/upload/

http://kpotiques.com/upload/
rc4.i32
rc4.i32

Extracted

Family

tofsee

C2

patmushta.info

ovicrush.cn

Extracted

Family

redline

Botnet

@ywqmre

C2

185.215.113.24:15994

Attributes
  • auth_value

    5a482aa0be2b5e01649fe7a3ce943422

Extracted

Family

redline

Botnet

pizzadlyashekera

C2

65.108.101.231:14648

Attributes
  • auth_value

    7d6b3cb15fc835e113d8c22bd7cfe2b4

Extracted

Family

redline

Botnet

ruzki12_03

C2

176.122.23.55:11768

Attributes
  • auth_value

    c51ddc8008e8581a01cec6e8291c5530

Extracted

Family

redline

Botnet

Installs

C2

94.23.1.92:12857

Attributes
  • auth_value

    c8e146507a5c0004dfcc77a7c5f15bc2

Targets

    • Target

      e5cbc19ca3b11100b8cbbe896649dedaff3ed65cb211ddad146f2f846b687d48

    • Size

      4.5MB

    • MD5

      17df88f527c1c49238deccd3e557dabc

    • SHA1

      3fe4641f8e6d38c5537fb4872098184d181c96a1

    • SHA256

      e5cbc19ca3b11100b8cbbe896649dedaff3ed65cb211ddad146f2f846b687d48

    • SHA512

      0e8796d839a29a888fcc77adca823e72bcca67fb28f6af36e70945f848ceaef097fe844f3a8da5938267b05eb24eabd62d8cff275138cfbd773e03f30fe8e7c2

    Score
    10/10
    djvuredlinesmokeloadertofseevidar706@ywqmreruz876ruzki000servaniaspackv2backdoorevasioninfostealerpersistenceransomwarestealertrojanupxonlyloggerinstallspizzadlyashekeraruzki12_03discoveryloaderspyware

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • Modifies Windows Defender Real-time Protection settings

      evasiontrojan

    • OnlyLogger

      A tiny loader that uses IPLogger to get its payload.

      loaderonlylogger

    • RedLine

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

      infostealerredline

    • RedLine Payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

      trojanbackdoorsmokeloader

    • Tofsee

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

      trojantofsee

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

      stealervidar

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

      evasion

    • OnlyLogger Payload

    • Vidar Stealer

      stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

      aspackv2

    • Blocklisted process makes network request

    • Creates new service(s)

      persistence

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

      evasion

    • UPX packed file

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

      upx

    • 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 user/profile data of local email clients

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

      spywarestealer

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Accesses 2FA software files, possible credential harvesting

      spywarestealer

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

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

      discovery

    • Checks whether UAC is enabled

      evasiontrojan

    • 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.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

2
T1031

New Service

1
T1050

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

New Service

1
T1050

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

3
T1112

Disabling Security Tools

1
T1089

Virtualization/Sandbox Evasion

1
T1497

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

4
T1081

Discovery

Query Registry

7
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

7
T1082

Peripheral Device Discovery

1
T1120

Process Discovery

1
T1057

Lateral Movement

Collection

Data from Local System

4
T1005

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Tasks