djvu | f6a7ddb46eadef18fb2b46ab561fec15d1bed25c6518491d5219329d11fc413d

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General

Target

f6a7ddb46eadef18fb2b46ab561fec15d1bed25c6518491d5219329d11fc413d
Size

3.7MB
Sample

220313-kyaaasfabn
MD5

4bd56f1559ed71cbe361a5eb98872ec7
SHA1

22eb1eac44baaac3bab313d35f7732aafb4e80a3
SHA256

f6a7ddb46eadef18fb2b46ab561fec15d1bed25c6518491d5219329d11fc413d
SHA512

4928dd3e2b789ef14fea37c9fdae070a3516cf496d8b2cff8b90720c6de5315ad7df1a54564fa4986adeb1534300eaaa7ab998774a33c7e4fb8c2483c0c35e4c

Malware Config

Extracted

Family

vidar

Version

39.6

Botnet

933

https://sslamlssa1.tumblr.com/

Attributes

profile_id
933

Extracted

Family

smokeloader

Version

2020

http://conceitosseg.com/upload/

http://integrasidata.com/upload/

http://ozentekstil.com/upload/

http://finbelportal.com/upload/

http://telanganadigital.com/upload/

rc4.i32

Extracted

Family

redline

Botnet

Build2

45.142.213.135:30059

Extracted

Family

raccoon

Botnet

ccba3157b9f42051adf38fbb8f5d0aca7f2b7366

Attributes

url4cnc
http://185.163.204.81/nui8xtgen
http://194.180.191.33/nui8xtgen
http://174.138.11.98/nui8xtgen
http://194.180.191.44/nui8xtgen
http://91.219.236.120/nui8xtgen
https://t.me/nui8xtgen

rc4.plain

Extracted

Family

redline

Botnet

ruzkida

185.11.73.55:22201

Attributes

auth_value
000938fe0d697ca6a3b6cee46ba02ff3

Extracted

Family

redline

Botnet

ruzki12_03

176.122.23.55:11768

Attributes

auth_value
c51ddc8008e8581a01cec6e8291c5530

Extracted

Family

djvu

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
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rsa_pubkey.plain

Targets

- Target
  
  f6a7ddb46eadef18fb2b46ab561fec15d1bed25c6518491d5219329d11fc413d
- Size
  
  3.7MB
- MD5
  
  4bd56f1559ed71cbe361a5eb98872ec7
- SHA1
  
  22eb1eac44baaac3bab313d35f7732aafb4e80a3
- SHA256
  
  f6a7ddb46eadef18fb2b46ab561fec15d1bed25c6518491d5219329d11fc413d
- SHA512
  
  4928dd3e2b789ef14fea37c9fdae070a3516cf496d8b2cff8b90720c6de5315ad7df1a54564fa4986adeb1534300eaaa7ab998774a33c7e4fb8c2483c0c35e4c
Score

10^/10

raccoon redline smokeloader tofsee vidar 933 build2 ccba3157b9f42051adf38fbb8f5d0aca7f2b7366 aspackv2 backdoor evasion infostealer persistence stealer suricata trojan djvu xmrig ruzki12_03 ruzkida discovery miner ransomware spyware upx
- Detected Djvu ransomware
- Djvu Ransomware
  Ransomware which is a variant of the STOP family.
  ransomware djvu
- Modifies Windows Defender Real-time Protection settings
  evasion trojan
- Process spawned unexpected child process
  This typically indicates the parent process was compromised via an exploit or macro.
- Raccoon
  Simple but powerful infostealer which was very active in 2019.
  stealer raccoon
- RedLine
  RedLine Stealer is a malware family written in C#, first appearing in early 2020.
  infostealer redline
- RedLine Payload
- SmokeLoader
  Modular backdoor trojan in use since 2014.
  trojan backdoor smokeloader
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Tofsee
  Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
  trojan tofsee
- Vidar
  Vidar is an infostealer based on Arkei stealer.
  stealer vidar
- suricata: ET MALWARE Danabot Key Exchange Request
  suricata: ET MALWARE Danabot Key Exchange Request
  suricata
- suricata: ET MALWARE EXE Download Request To Wordpress Folder Likely Malicious
  suricata: ET MALWARE EXE Download Request To Wordpress Folder Likely Malicious
  suricata
- suricata: ET MALWARE GCleaner Downloader Activity M5
  suricata: ET MALWARE GCleaner Downloader Activity M5
  suricata
- suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
  suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
  suricata
- suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt) M2
  suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt) M2
  suricata
- suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (passwords.txt) M2
  suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (passwords.txt) M2
  suricata
- suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
  suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
  suricata
- suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
  suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
  suricata
- suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
  suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
  suricata
- suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern
  suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern
  suricata
- suricata: ET MALWARE Win32.Raccoon Stealer - Telegram Mirror Checkin (generic)
  suricata: ET MALWARE Win32.Raccoon Stealer - Telegram Mirror Checkin (generic)
  suricata
- suricata: ET MALWARE Win32.Raccoon Stealer Checkin M6
  suricata: ET MALWARE Win32.Raccoon Stealer Checkin M6
  suricata
- suricata: ET MALWARE Win32/Spy.Socelars.S CnC Activity M3
  suricata: ET MALWARE Win32/Spy.Socelars.S CnC Activity M3
  suricata
- xmrig
  XMRig is a high performance, open source, cross platform CPU/GPU miner.
  miner xmrig
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
  evasion
- Vidar Stealer
  stealer
- XMRig Miner Payload
  miner
- 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.
  spyware stealer
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Accesses 2FA software files, possible credential harvesting
  spyware stealer
- 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
- 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
behavioral1 behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Modify Existing Service

T1031

New Service

T1050

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

New Service

T1050

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Disabling Security Tools

T1089

Virtualization/Sandbox Evasion

T1497

Install Root Certificate

T1130

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Peripheral Device Discovery

T1120

Process Discovery

T1057

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Web Service

T1102

Impact

Tasks

Sharing

General

Malware Config

Extracted

Extracted

Extracted

Extracted

Extracted

Extracted

Extracted

Targets

Detected Djvu ransomware

Djvu Ransomware

Modifies Windows Defender Real-time Protection settings

Process spawned unexpected child process

Raccoon

RedLine

RedLine Payload

SmokeLoader

Suspicious use of NtCreateUserProcessOtherParentProcess

Tofsee

Vidar

suricata: ET MALWARE Danabot Key Exchange Request

suricata: ET MALWARE EXE Download Request To Wordpress Folder Likely Malicious

suricata: ET MALWARE GCleaner Downloader Activity M5

suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt) M2

suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (passwords.txt) M2

suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern

suricata: ET MALWARE Win32.Raccoon Stealer - Telegram Mirror Checkin (generic)

suricata: ET MALWARE Win32.Raccoon Stealer Checkin M6

suricata: ET MALWARE Win32/Spy.Socelars.S CnC Activity M3

xmrig

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

Vidar Stealer

XMRig Miner Payload

ASPack v2.12-2.42

Blocklisted process makes network request

Creates new service(s)

Downloads MZ/PE file

Executes dropped EXE

Modifies Windows Firewall

UPX packed file

Checks BIOS information in registry

Checks computer location settings

Loads dropped DLL

Reads user/profile data of local email clients

Reads user/profile data of web browsers

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

Legitimate hosting services abused for malware hosting/C2

Looks up external IP address via web service

Drops file in System32 directory

Suspicious use of NtSetInformationThreadHideFromDebugger

Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Tasks

static1

behavioral1

behavioral2