General

  • Target

    c90f2ec268842c52e77481775dc0e36bd48905d8076ab574d93b422970a6f6a2

  • Size

    7.6MB

  • Sample

    220314-pw2nzsfdc8

  • MD5

    36901bb255b74e90bc24c80b17f1441f

  • SHA1

    7e36c67595d39329c66dab990545941eaa5b9222

  • SHA256

    c90f2ec268842c52e77481775dc0e36bd48905d8076ab574d93b422970a6f6a2

  • SHA512

    6206f441b60e104e767b733d63d96c25b8cf11cf96a83c39a92da03d0ba0a611c73e236ba559f8b9890f9254fab2a1ab449664b7e588f3cb88ccc981dac24c2d

Malware Config

Extracted

Family

socelars

C2

http://www.iyiqian.com/

http://www.xxhufdc.top/

http://www.uefhkice.xyz/

http://www.fcektsy.top/

Extracted

Family

redline

C2

185.11.73.22:45202

5.206.224.220:81

Attributes
  • auth_value

    4811a2f23005637a45b22c416ef83c5f

Extracted

Family

redline

Botnet

UDP

C2

45.9.20.20:13441

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

redline

Botnet

redline

C2

193.106.191.253:4752

Attributes
  • auth_value

    c6b533a917f5c6a3e6d1afd9c29f81c6

Extracted

Family

redline

Botnet

@ywqmre

C2

185.215.113.24:15994

Attributes
  • auth_value

    5a482aa0be2b5e01649fe7a3ce943422

Extracted

Family

redline

Botnet

Installs

C2

94.23.1.92:12857

Attributes
  • auth_value

    c8e146507a5c0004dfcc77a7c5f15bc2

Extracted

Family

redline

Botnet

ruz876

C2

185.215.113.7:5186

Attributes
  • auth_value

    4750f6742a496bbe74a981d51e7680ad

Extracted

Family

redline

Botnet

pizzadlyath

C2

65.108.101.231:14648

Attributes
  • auth_value

    e6050567aab45ec7a388fed4947afdc2

Extracted

Family

tofsee

C2

patmushta.info

ovicrush.cn

Targets

    • Target

      c90f2ec268842c52e77481775dc0e36bd48905d8076ab574d93b422970a6f6a2

    • Size

      7.6MB

    • MD5

      36901bb255b74e90bc24c80b17f1441f

    • SHA1

      7e36c67595d39329c66dab990545941eaa5b9222

    • SHA256

      c90f2ec268842c52e77481775dc0e36bd48905d8076ab574d93b422970a6f6a2

    • SHA512

      6206f441b60e104e767b733d63d96c25b8cf11cf96a83c39a92da03d0ba0a611c73e236ba559f8b9890f9254fab2a1ab449664b7e588f3cb88ccc981dac24c2d

    • Detected Djvu ransomware

    • 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

    • 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 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.

    • Windows security bypass

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

    • Modifies boot configuration data using bcdedit

    • Creates new service(s)

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Possible attempt to disable PatchGuard

      Rootkits can use kernel patching to embed themselves in an operating system.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source 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

    • Reads user/profile data of web browsers

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

    • Windows security modification

    • 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.

    • Looks up geolocation information via web service

      Uses a legitimate geolocation service to find the infected system's geolocation info.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Command-Line Interface

1
T1059

Scheduled Task

1
T1053

Persistence

Modify Existing Service

2
T1031

New Service

1
T1050

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

New Service

1
T1050

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

5
T1112

Disabling Security Tools

3
T1089

Virtualization/Sandbox Evasion

1
T1497

Impair Defenses

1
T1562

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

3
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

3
T1005

Command and Control

Web Service

1
T1102

Tasks