General

  • Target

    a3623ecfacee555a0a11152f4c23c63b.exe

  • Size

    3.3MB

  • Sample

    210715-ldcm6hqphs

  • MD5

    a3623ecfacee555a0a11152f4c23c63b

  • SHA1

    5c8bb0a4a96ef88eb122bb50f8a6cb3b4816a7a7

  • SHA256

    9903a60fb9521a9d2c24f5ebc862139708269ce5b287d13a5202626ee8405234

  • SHA512

    6e8008aa1f589dbef73dc43ae9c041fffdccedf66dc6807675de564ff59e883ef5cef1df228dd08f91f68df2b24d9508a69ec0df43d37f6a895f89bf04604b95

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://conceitosseg.com/upload/

http://integrasidata.com/upload/

http://ozentekstil.com/upload/

http://finbelportal.com/upload/

http://telanganadigital.com/upload/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

13_7_r

C2

xtarweanda.xyz:80

Extracted

Family

redline

Botnet

bozepomozy

C2

86.106.181.209:58703

Extracted

Family

fickerstealer

C2

195.133.40.204:80

Extracted

Family

vidar

Version

39.6

Botnet

865

C2

https://sslamlssa1.tumblr.com/

Attributes
  • profile_id

    865

Extracted

Family

metasploit

Version

windows/single_exec

Targets

    • Target

      a3623ecfacee555a0a11152f4c23c63b.exe

    • Size

      3.3MB

    • MD5

      a3623ecfacee555a0a11152f4c23c63b

    • SHA1

      5c8bb0a4a96ef88eb122bb50f8a6cb3b4816a7a7

    • SHA256

      9903a60fb9521a9d2c24f5ebc862139708269ce5b287d13a5202626ee8405234

    • SHA512

      6e8008aa1f589dbef73dc43ae9c041fffdccedf66dc6807675de564ff59e883ef5cef1df228dd08f91f68df2b24d9508a69ec0df43d37f6a895f89bf04604b95

    • Fickerstealer

      Ficker is an infostealer written in Rust and ASM.

    • 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.

    • 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

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

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

    • Vidar Stealer

    • Downloads MZ/PE file

    • Executes dropped EXE

    • 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.

    • Loads dropped DLL

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • 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

    • 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

    • autoit_exe

      AutoIT scripts compiled to PE executables.

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

3
T1112

Disabling Security Tools

1
T1089

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

4
T1081

Discovery

Query Registry

6
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

6
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

4
T1005

Command and Control

Web Service

1
T1102

Tasks