djvu | b41ece0fdbd279c8c8dd615981603fb4cb7052d28d26ce803fbeb0eef5ea01d2

Resubmissions

26-09-2021 14:47

210926-r55s4sehcp 10

24-09-2021 18:42

210924-xcn8jshegn 10

24-09-2021 17:31

210924-v36t6shdck 10

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General

Target

setup_x86_x64_install.exe
Size

6.5MB
Sample

210926-r55s4sehcp
MD5

745f2a6ae8c3bfce8fdde3d39d788ea7
SHA1

3d6ea6756f20c8e24286238e98209fb898fdb774
SHA256

b41ece0fdbd279c8c8dd615981603fb4cb7052d28d26ce803fbeb0eef5ea01d2
SHA512

7a553805571306d7c53675a4a752a6c63ae1f246a9fa5ce4e6c9729a010672ba48acb9d183715ab0496e54c13d04b7c6f35c8c79e3975bc20326c111d2f8bd37

Malware Config

Extracted

Family

smokeloader

Version

2020

http://govsurplusstore.com/upload/

http://best-forsale.com/upload/

http://chmxnautoparts.com/upload/

http://kwazone.com/upload/

rc4.i32

Extracted

Family

redline

Botnet

janera

65.108.20.195:6774

Extracted

Family

redline

Botnet

jamesbig

65.108.20.195:6774

Extracted

Family

redline

Botnet

22.09

45.133.1.81:45269

Extracted

Family

redline

Botnet

matthew2009

213.166.69.181:64650

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

http://shellloader.top/welcome

Targets

- Target
  
  setup_x86_x64_install.exe
- Size
  
  6.5MB
- MD5
  
  745f2a6ae8c3bfce8fdde3d39d788ea7
- SHA1
  
  3d6ea6756f20c8e24286238e98209fb898fdb774
- SHA256
  
  b41ece0fdbd279c8c8dd615981603fb4cb7052d28d26ce803fbeb0eef5ea01d2
- SHA512
  
  7a553805571306d7c53675a4a752a6c63ae1f246a9fa5ce4e6c9729a010672ba48acb9d183715ab0496e54c13d04b7c6f35c8c79e3975bc20326c111d2f8bd37
Score

10^/10

djvu redline smokeloader socelars vidar 22.09 jamesbig janera aspackv2 backdoor discovery evasion infostealer persistence ransomware spyware stealer suricata themida trojan matthew2009
- 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
- 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 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 Potential Dridex.Maldoc Minimal Executable Request
  suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
  suricata
- suricata: ET MALWARE Sharik/Smoke CnC Beacon 11
  suricata: ET MALWARE Sharik/Smoke CnC Beacon 11
  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 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 Win32.Raccoon Stealer CnC Activity (dependency download)
  suricata: ET MALWARE Win32.Raccoon Stealer CnC Activity (dependency download)
  suricata
- suricata: ET MALWARE Win32.Raccoon Stealer Data Exfil Attempt
  suricata: ET MALWARE Win32.Raccoon Stealer Data Exfil Attempt
  suricata
- suricata: ET MALWARE Win32/Tnega Activity (GET)
  suricata: ET MALWARE Win32/Tnega Activity (GET)
  suricata
- suricata: ET MALWARE Win32/Vidar Variant Stealer CnC Exfil
  suricata: ET MALWARE Win32/Vidar Variant Stealer CnC Exfil
  suricata
- suricata: ET MALWARE Zbot Generic URI/Header Struct .bin
  suricata: ET MALWARE Zbot Generic URI/Header Struct .bin
  suricata
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
  evasion
- Vidar Stealer
  stealer
- ASPack v2.12-2.42
  Detects executables packed with ASPack v2.12-2.42
  aspackv2
- Downloads MZ/PE file
- Drops file in Drivers directory
- Executes dropped EXE
- Modifies Windows Firewall
  evasion
- 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
- 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.
- Program crash
- 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

BITS Jobs

T1197

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Disabling Security Tools

T1089

Virtualization/Sandbox Evasion

T1497

File Permissions Modification

T1222

BITS Jobs

T1197

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

Remote System Discovery

T1018

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

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

suricata: ET MALWARE GCleaner Downloader Activity M5

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 Potential Dridex.Maldoc Minimal Executable Request

suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

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

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 Win32.Raccoon Stealer CnC Activity (dependency download)

suricata: ET MALWARE Win32.Raccoon Stealer Data Exfil Attempt

suricata: ET MALWARE Win32/Tnega Activity (GET)

suricata: ET MALWARE Win32/Vidar Variant Stealer CnC Exfil

suricata: ET MALWARE Zbot Generic URI/Header Struct .bin

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

Vidar Stealer

ASPack v2.12-2.42

Downloads MZ/PE file

Drops file in Drivers directory

Executes dropped EXE

Modifies Windows Firewall

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

Legitimate hosting services abused for malware hosting/C2

Looks up external IP address via web service

Program crash

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