djvu | c48cd55efee57f0b7ff4547a0a20ebfbdf4188d059512b10a29879bf30c4fc19

Resubmissions

12-09-2021 18:05

210912-wpjm6afecr 10

12-09-2021 07:11

210912-h1abzacbb7 10

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General

Target

setup_x86_x64_install.exe
Size

3.5MB
Sample

210912-wpjm6afecr
MD5

1b5154bc65145adba0a58e964265d5f2
SHA1

5a96fd55be61222b3e6438712979dc2a18a50b8c
SHA256

c48cd55efee57f0b7ff4547a0a20ebfbdf4188d059512b10a29879bf30c4fc19
SHA512

9465da97b0986fef660e3f7725b4d4c034bef677acbe36382d95a8052c54634f004162aa3f105156e503af1b26632e47e44234ef9825b388260a6bcd310a5026

Malware Config

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-CtDpAM1g5f 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: 0333gSd743dfRiXRqq62TeogIfmpihYZJ6wDmuUVD07WwczX6Bm

Emails

manager@mailtemp.ch

managerhelper@airmail.cc

URLs

https://we.tl/t-CtDpAM1g5f

Extracted

Family

vidar

Version

40.5

Botnet

706

https://gheorghip.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

pab123

45.14.49.169:22411

Extracted

Family

metasploit

Version

windows/single_exec

Extracted

Family

redline

Botnet

UTS

45.9.20.20:13441

Extracted

Family

vidar

Version

40.5

Botnet

328

https://gheorghip.tumblr.com/

Attributes

profile_id
328

Extracted

Family

redline

Botnet

129c4t2

185.215.113.104:18754

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

http://shellloader.com/welcome

Targets

- Target
  
  setup_x86_x64_install.exe
- Size
  
  3.5MB
- MD5
  
  1b5154bc65145adba0a58e964265d5f2
- SHA1
  
  5a96fd55be61222b3e6438712979dc2a18a50b8c
- SHA256
  
  c48cd55efee57f0b7ff4547a0a20ebfbdf4188d059512b10a29879bf30c4fc19
- SHA512
  
  9465da97b0986fef660e3f7725b4d4c034bef677acbe36382d95a8052c54634f004162aa3f105156e503af1b26632e47e44234ef9825b388260a6bcd310a5026
Score

10^/10

djvu glupteba metasploit redline smokeloader socelars vidar 706 pab123 aspackv2 backdoor discovery dropper evasion infostealer loader persistence ransomware spyware stealer suricata trojan xmrig 328 uts miner 129c4t2 servhelper
- Djvu Ransomware
  Ransomware which is a variant of the STOP family.
  ransomware djvu
- Glupteba
  Glupteba is a modular loader written in Golang with various components.
  loader dropper glupteba
- Glupteba Payload
- MetaSploit
  Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
  trojan backdoor metasploit
- Modifies system executable filetype association
  persistence
- 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
- Registers COM server for autorun
  persistence
- ServHelper
  ServHelper is a backdoor written in Delphi and is associated with the hacking group TA505.
  trojan backdoor servhelper
- 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
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Vidar
  Vidar is an infostealer based on Arkei stealer.
  stealer vidar
- rl_trojan
  redline stealer.
  stealer
- suricata: ET MALWARE JS/Nemucod requesting EXE payload 2016-02-01
  suricata: ET MALWARE JS/Nemucod requesting EXE payload 2016-02-01
  suricata
- suricata: ET MALWARE JS/Nemucod.M.gen downloading EXE payload
  suricata: ET MALWARE JS/Nemucod.M.gen downloading EXE payload
  suricata
- suricata: ET MALWARE Observed Win32/Ymacco.AA36 User-Agent
  suricata: ET MALWARE Observed Win32/Ymacco.AA36 User-Agent
  suricata
- suricata: ET MALWARE Possible Win32/Gapz MSIE 9 on Windows NT 5
  suricata: ET MALWARE Possible Win32/Gapz MSIE 9 on Windows NT 5
  suricata
- suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
  suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
  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 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 Win32/Adware.Agent.NSU CnC Activity
  suricata: ET MALWARE Win32/Adware.Agent.NSU CnC Activity
  suricata
- suricata: ET MALWARE Win32/Adware.Agent.NSU CnC Activity M2
  suricata: ET MALWARE Win32/Adware.Agent.NSU CnC Activity M2
  suricata
- suricata: ET MALWARE Win32/Tnega Activity (GET)
  suricata: ET MALWARE Win32/Tnega Activity (GET)
  suricata
- 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
- Grants admin privileges
  Uses net.exe to modify the user's privileges.
- 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 RDP port number used by Windows
- Modifies extensions of user files
  Ransomware generally changes the extension on encrypted files.
  ransomware
- Sets DLL path for service in the registry
  persistence
- 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.
- Deletes itself
- Loads dropped DLL
- Modifies file permissions
  discovery
- 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
- 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 behavioral9 behavioral10

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Change Default File Association

T1042

Registry Run Keys / Startup Folder

T1060

Account Manipulation

T1098

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

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

Remote Desktop Protocol

T1076

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

Extracted

Extracted

Extracted

Targets

Djvu Ransomware

Glupteba

Glupteba Payload

MetaSploit

Modifies system executable filetype association

Process spawned unexpected child process

RedLine

RedLine Payload

Registers COM server for autorun

ServHelper

SmokeLoader

Socelars

Socelars Payload

Suspicious use of NtCreateProcessExOtherParentProcess

Suspicious use of NtCreateUserProcessOtherParentProcess

Vidar

rl_trojan

suricata: ET MALWARE JS/Nemucod requesting EXE payload 2016-02-01

suricata: ET MALWARE JS/Nemucod.M.gen downloading EXE payload

suricata: ET MALWARE Observed Win32/Ymacco.AA36 User-Agent

suricata: ET MALWARE Possible Win32/Gapz MSIE 9 on Windows NT 5

suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

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

suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

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

suricata: ET MALWARE Win32/Adware.Agent.NSU CnC Activity

suricata: ET MALWARE Win32/Adware.Agent.NSU CnC Activity M2

suricata: ET MALWARE Win32/Tnega Activity (GET)

xmrig

Checks for common network interception software

Grants admin privileges

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 RDP port number used by Windows

Modifies extensions of user files

Sets DLL path for service in the registry

Checks BIOS information in registry

Checks computer location settings

Deletes itself

Loads dropped DLL

Modifies file permissions

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

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