General

  • Target

    setup_x86_x64_install.exe

  • Size

    6.5MB

  • Sample

    210916-zywwmaedb3

  • MD5

    064f0d6900675bed580da1291a566cfa

  • SHA1

    f81699a68c901d190842de735dbda28a3fb52292

  • SHA256

    7ec88d4baa0a97362a026cf6e0f46422379a99be6d9bfe19034152f3d47cc0ed

  • SHA512

    41dc5c444afd6b5dc0947cf9950acb5aa1081ee9921c748195325b5cfcb23532cea1802959baa59a0c41ed998ba20b509ec107da882d5d8b3bf0b1d17f892738

Malware Config

Extracted

Family

redline

Botnet

ANI

C2

45.142.215.47:27643

Extracted

Family

redline

Botnet

medianew

C2

91.121.67.60:62102

Extracted

Family

metasploit

Version

windows/single_exec

Extracted

Family

smokeloader

Version

2020

C2

http://varmisende.com/upload/

http://fernandomayol.com/upload/

http://nextlytm.com/upload/

http://people4jan.com/upload/

http://asfaltwerk.com/upload/

rc4.i32
rc4.i32

Extracted

Family

vidar

Version

40.6

Botnet

937

C2

https://dimonbk83.tumblr.com/

Attributes
  • profile_id

    937

Extracted

Family

raccoon

Botnet

a16e26e8e3bbf05aad922e6691134b0795801b32

Attributes
  • url4cnc

    https://telete.in/jjbadb0y

rc4.plain
rc4.plain

Extracted

Family

redline

Botnet

matthew14

C2

193.188.21.209:41939

Targets

    • Target

      setup_x86_x64_install.exe

    • Size

      6.5MB

    • MD5

      064f0d6900675bed580da1291a566cfa

    • SHA1

      f81699a68c901d190842de735dbda28a3fb52292

    • SHA256

      7ec88d4baa0a97362a026cf6e0f46422379a99be6d9bfe19034152f3d47cc0ed

    • SHA512

      41dc5c444afd6b5dc0947cf9950acb5aa1081ee9921c748195325b5cfcb23532cea1802959baa59a0c41ed998ba20b509ec107da882d5d8b3bf0b1d17f892738

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba Payload

    • MetaSploit

      Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

    • Modifies Windows Defender Real-time Protection settings

    • NetSupport

      NetSupport is a remote access tool sold as a legitimate system administration software.

    • 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.

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine Payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Socelars

      Socelars is an infostealer targeting browser cookies and credit card credentials.

    • Socelars Payload

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Zloader, Terdot, DELoader, ZeusSphinx

      Zloader is a malware strain that was initially discovered back in August 2015.

    • evasion

      evasion.

    • Checks for common network interception software

      Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.

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

    • Vidar Stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Blocklisted process makes network request

    • Creates new service(s)

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Modifies Installed Components in the registry

    • Modifies Windows Firewall

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • 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.

    • Drops startup file

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • 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

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

    • Drops Chrome extension

    • Drops desktop.ini file(s)

    • 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 NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

2
T1031

New Service

1
T1050

Registry Run Keys / Startup Folder

2
T1060

Scheduled Task

1
T1053

Privilege Escalation

New Service

1
T1050

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

5
T1112

Disabling Security Tools

1
T1089

Virtualization/Sandbox Evasion

1
T1497

File Permissions Modification

1
T1222

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

4
T1081

Discovery

Software Discovery

1
T1518

Query Registry

8
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

8
T1082

Peripheral Device Discovery

2
T1120

Collection

Data from Local System

4
T1005

Command and Control

Web Service

1
T1102

Tasks

static1

Score
N/A

behavioral1

djvuredlinesocelarstofseeanimedianewaspackv2discoveryevasioninfostealerpersistenceransomwarespywarestealertrojanvmprotect
Score
10/10

behavioral2

gluptebametasploitredlinesocelarsaniaspackv2backdoordropperinfostealerloaderstealerthemidatrojanvmprotect
Score
10/10

behavioral3

djvugluptebametasploitnetsupportraccoonredlinesmokeloadersocelarstofseevidar937a16e26e8e3bbf05aad922e6691134b0795801b32medianewaspackv2backdoordiscoverydropperevasioninfostealerloaderpersistenceransomwareratspywarestealertrojanvmprotect
Score
10/10

behavioral4

raccoonredlinesocelarsvidaranimedianewaspackv2discoveryevasioninfostealerpersistencespywarestealertrojanvmprotect
Score
10/10

behavioral5

gluptebametasploitredlinesmokeloadersocelarsvidaranimedianewaspackv2backdoordiscoverydropperevasioninfostealerloaderpersistencespywarestealertrojanvmprotect
Score
10/10

behavioral6

redlinesmokeloadersocelarsmedianewaspackv2backdoorinfostealerstealertrojanvmprotect
Score
10/10

behavioral7

gluptebametasploitredlinesmokeloadersocelarsvidaranimedianewaspackv2backdoordiscoverydropperevasioninfostealerloaderspywarestealertrojanvmprotect
Score
10/10

behavioral8

gluptebametasploitnetsupportredlinesmokeloadersocelarstofseevidaranimatthew14aspackv2backdoordiscoverydropperevasioninfostealerloaderpersistenceratspywarestealertrojanvmprotect
Score
10/10

behavioral9

djvugluptebametasploitnetsupportredlinesmokeloadersocelarstofseevidarzloaderanimedianewaspackv2backdoorbotnetdiscoverydropperevasioninfostealerloaderpersistenceransomwareratspywarestealertrojanvmprotect
Score
10/10