Resubmissions

05-10-2021 16:27

211005-tx24csaah9 10

04-10-2021 16:37

211004-t43cpsgfe7 10

04-10-2021 07:39

211004-jhgtrsfhf8 10

03-10-2021 18:09

211003-wryvvsffgk 10

02-10-2021 23:31

211002-3hwsgaehhl 10

02-10-2021 06:10

211002-gxfh5sdgg7 10

01-10-2021 13:44

211001-q16deabhek 10

General

  • Target

    setup_x86_x64_install.exe

  • Size

    6.4MB

  • Sample

    211005-tx24csaah9

  • MD5

    c6e46aa3d6424b03e0a4ccb193d3eade

  • SHA1

    c8b49055743fa7b4d6a982aea26efb627bb1f2e1

  • SHA256

    5e2bf564a4f985a7482d505def1ec79c92566bf7eda4724811ee29b9c4a66156

  • SHA512

    06e0c7d8012d4dbf1e6ccb7049c16d3041eb792261cc9910115c8663a45272c90cbce0ccd51875b8cd465b8f5a5c9f69164cc665b60787884ac42aec3aa7d32e

Malware Config

Extracted

Family

redline

Botnet

ANI

C2

45.142.215.47:27643

Extracted

Family

smokeloader

Version

2020

C2

http://fiskahlilian16.top/

http://paishancho17.top/

http://ydiannetter18.top/

http://azarehanelle19.top/

http://quericeriant20.top/

http://gmpeople.com/upload/

http://mile48.com/upload/

http://lecanardstsornin.com/upload/

http://m3600.com/upload/

http://camasirx.com/upload/

rc4.i32
rc4.i32
rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

jamesfuck

C2

65.108.20.195:6774

Extracted

Family

vidar

Version

41.1

Botnet

933

C2

https://mas.to/@bardak1ho

Attributes
  • profile_id

    933

Targets

    • Target

      setup_x86_x64_install.exe

    • Size

      6.4MB

    • MD5

      c6e46aa3d6424b03e0a4ccb193d3eade

    • SHA1

      c8b49055743fa7b4d6a982aea26efb627bb1f2e1

    • SHA256

      5e2bf564a4f985a7482d505def1ec79c92566bf7eda4724811ee29b9c4a66156

    • SHA512

      06e0c7d8012d4dbf1e6ccb7049c16d3041eb792261cc9910115c8663a45272c90cbce0ccd51875b8cd465b8f5a5c9f69164cc665b60787884ac42aec3aa7d32e

    • Arkei

      Arkei is an infostealer written in C++.

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Modifies Windows Defender Real-time Protection settings

    • 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

    • Tofsee

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

    • Turns off Windows Defender SpyNet reporting

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Windows security bypass

    • Arkei Stealer Payload

    • 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 Windows Firewall

    • 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

    • 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.

    • Windows security modification

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks for any installed AV software in registry

    • 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

    • 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 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

1
T1060

Scheduled Task

1
T1053

BITS Jobs

1
T1197

Privilege Escalation

New Service

1
T1050

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

6
T1112

Disabling Security Tools

4
T1089

Virtualization/Sandbox Evasion

1
T1497

File Permissions Modification

1
T1222

BITS Jobs

1
T1197

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

2
T1081

Discovery

Software Discovery

1
T1518

Query Registry

8
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

8
T1082

Security Software Discovery

1
T1063

Peripheral Device Discovery

2
T1120

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Tasks