djvu | 56a461a6cc8ad9c10cdc1d19a12d5deceb9ebefb0c871a3fc2eb83c466947a11

Target

setup_x86_x64_install.exe
Size

4.0MB
Sample

210920-yftswafca9
MD5

73491325fde5366b31c09da701d07dd6
SHA1

a4e1ada57e590c2df30fc26fad5f3ca57ad922b1
SHA256

56a461a6cc8ad9c10cdc1d19a12d5deceb9ebefb0c871a3fc2eb83c466947a11
SHA512

28b5008c542e9c486529934f74774d6d2de4b98531483b24c3c7cf82bf2214b959a1feb0085014026dd278d2a18ac6ae8a0e5a7ebb36be28abf6dccbf2d38e88

Malware Config

Extracted

Family

vidar

Version

40.7

Botnet

706

https://petrenko96.tumblr.com/

Attributes

profile_id
706

Extracted

Family

smokeloader

Version

2020

http://varmisende.com/upload/

http://fernandomayol.com/upload/

http://nextlytm.com/upload/

http://people4jan.com/upload/

http://asfaltwerk.com/upload/

rc4.i32

Extracted

Family

redline

Botnet

janesam

65.108.20.195:6774

Extracted

Path

C:\_readme.txt

Family

djvu

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-vtoEIhR0SI 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: managerhelper@airmail.cc Your personal ID: 0334gSd743d99p8vN1UYnRVfJrLk31VTLd69Ni5b0ex99QMQKt1

Emails

manager@mailtemp.ch

managerhelper@airmail.cc

URLs

https://we.tl/t-vtoEIhR0SI

Extracted

Family

redline

Botnet

UTS

45.9.20.20:13441

Extracted

Family

redline

Botnet

209qwe

185.215.113.104:18754

Targets

- Target
  
  setup_x86_x64_install.exe
- Size
  
  4.0MB
- MD5
  
  73491325fde5366b31c09da701d07dd6
- SHA1
  
  a4e1ada57e590c2df30fc26fad5f3ca57ad922b1
- SHA256
  
  56a461a6cc8ad9c10cdc1d19a12d5deceb9ebefb0c871a3fc2eb83c466947a11
- SHA512
  
  28b5008c542e9c486529934f74774d6d2de4b98531483b24c3c7cf82bf2214b959a1feb0085014026dd278d2a18ac6ae8a0e5a7ebb36be28abf6dccbf2d38e88
Score

10^/10

redline smokeloader socelars vidar 706 janesam aspackv2 backdoor infostealer spyware stealer trojan djvu uts discovery evasion persistence ransomware themida 209qwe xmrig miner
- 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.
- 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
- Socelars
  Socelars is an infostealer targeting browser cookies and credit card credentials.
  stealer socelars
- Socelars Payload
- Suspicious use of NtCreateProcessExOtherParentProcess
- Vidar
  Vidar is an infostealer based on Arkei stealer.
  stealer vidar
- rl_trojan
  redline stealer.
  stealer
- xmrig
  XMRig is a high performance, open source, cross platform CPU/GPU miner.
  miner xmrig
- Checks for common network interception software
  Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.
  evasion
- 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
- Downloads MZ/PE file
- Drops file in Drivers directory
- Executes dropped EXE
- Modifies extensions of user files
  Ransomware generally changes the extension on encrypted files.
  ransomware
- 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
- Modifies file permissions
  discovery
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Themida packer
  Detects Themida, an advanced Windows software protection system.
  themida
- 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
- Checks whether UAC is enabled
  evasion trojan
- 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.
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
behavioral1 behavioral2 behavioral3 behavioral4 behavioral5 behavioral6 behavioral7 behavioral8

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Disabling Security Tools

T1089

Virtualization/Sandbox Evasion

T1497

File Permissions Modification

T1222

Install Root Certificate

T1130

Credential Access

Credentials in Files

T1081

Discovery

Software Discovery

T1518

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Peripheral Device Discovery

T1120

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Web Service

T1102

Impact

Tasks

Resubmissions

Sharing

General

Malware Config

Extracted

Extracted

Extracted

Extracted

Extracted

Extracted

Targets

Detected Djvu ransomware

Djvu Ransomware

Modifies Windows Defender Real-time Protection settings

Process spawned unexpected child process

RedLine

RedLine Payload

SmokeLoader

Socelars

Socelars Payload

Suspicious use of NtCreateProcessExOtherParentProcess

Vidar

rl_trojan

xmrig

Checks for common network interception software

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

Vidar Stealer

XMRig Miner Payload

ASPack v2.12-2.42

Blocklisted process makes network request

Downloads MZ/PE file

Drops file in Drivers directory

Executes dropped EXE

Modifies extensions of user files

Checks BIOS information in registry

Checks computer location settings

Loads dropped DLL

Modifies file permissions

Reads user/profile data of web browsers

Themida packer

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

Checks whether UAC is enabled

Enumerates connected drives

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

behavioral3

behavioral4

behavioral5

behavioral6

behavioral7

behavioral8