djvu | c5bf77877c8b8254ff63320397401444788b6ffcf7b0f7d4c31fef2d02132e4d

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General

Target

c5bf77877c8b8254ff63320397401444788b6ffcf7b0f7d4c31fef2d02132e4d
Size

3.4MB
Sample

220314-qwt5kshhbm
MD5

363a8a59588691360395d90df358516a
SHA1

23c5bb5b6f242ed1ab39e8fb9fb392725c127a86
SHA256

c5bf77877c8b8254ff63320397401444788b6ffcf7b0f7d4c31fef2d02132e4d
SHA512

e043f93ecf7c86d7c3d9beb75e2a839f69619dde87ea44fc5c1bbdca72241d4c82f7eeae5046fed4c865305c59e803ac77332c63d4f4fc694fc12f2f66b6d1a7

Malware Config

Extracted

Family

vidar

Version

39.4

Botnet

706

https://sergeevih43.tumblr.com/

Attributes

profile_id
706

Extracted

Family

smokeloader

Version

2020

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

Extracted

Family

vidar

Version

50.7

Botnet

1177

https://ruhr.social/@sam9al

https://koyu.space/@samsa2l

Attributes

profile_id
1177

Extracted

Family

redline

Botnet

redline

193.106.191.253:4752

Attributes

auth_value
c6b533a917f5c6a3e6d1afd9c29f81c6

Extracted

Family

redline

185.11.73.22:45202

5.206.224.220:81

Attributes

auth_value
4811a2f23005637a45b22c416ef83c5f

Extracted

Family

redline

Botnet

@ywqmre

185.215.113.24:15994

Attributes

auth_value
5a482aa0be2b5e01649fe7a3ce943422

Extracted

Family

redline

Botnet

Installs

94.23.1.92:12857

Attributes

auth_value
c8e146507a5c0004dfcc77a7c5f15bc2

Targets

- Target
  
  c5bf77877c8b8254ff63320397401444788b6ffcf7b0f7d4c31fef2d02132e4d
- Size
  
  3.4MB
- MD5
  
  363a8a59588691360395d90df358516a
- SHA1
  
  23c5bb5b6f242ed1ab39e8fb9fb392725c127a86
- SHA256
  
  c5bf77877c8b8254ff63320397401444788b6ffcf7b0f7d4c31fef2d02132e4d
- SHA512
  
  e043f93ecf7c86d7c3d9beb75e2a839f69619dde87ea44fc5c1bbdca72241d4c82f7eeae5046fed4c865305c59e803ac77332c63d4f4fc694fc12f2f66b6d1a7
Score

10^/10

djvu onlylogger redline smokeloader tofsee vidar 1177 706 redline aspackv2 backdoor evasion infostealer loader persistence ransomware spyware stealer suricata trojan upx @ywqmre installs discovery
- 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
- OnlyLogger
  A tiny loader that uses IPLogger to get its payload.
  loader onlylogger
- 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
- 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 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 HTTP POST Pattern
  suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern
  suricata
- suricata: ET MALWARE Win32/Spy.Socelars.S CnC Activity M3
  suricata: ET MALWARE Win32/Spy.Socelars.S CnC Activity M3
  suricata
- 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
- 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
- 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.
- 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

Credential Access

Credentials in Files

T1081

Discovery

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

Sharing

General

Malware Config

Extracted

Extracted

Extracted

Extracted

Extracted

Extracted

Extracted

Targets

Detected Djvu ransomware

Djvu Ransomware

Modifies Windows Defender Real-time Protection settings

OnlyLogger

RedLine

RedLine Payload

SmokeLoader

Tofsee

Vidar

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 HTTP POST Pattern

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

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

OnlyLogger Payload

Vidar Stealer

ASPack v2.12-2.42

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

Checks whether UAC is enabled

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