General

  • Target

    setup_x86_x64_install.exe

  • Size

    4.9MB

  • Sample

    211104-zg1s9ahfb4

  • MD5

    841435f4e45af49e375b0160ed81aa3d

  • SHA1

    8b5db2582d1278329f143fa6f21b225d09e57af7

  • SHA256

    4e187f643987379c5429a9a36dee8df98eb43683b4cc28cb20dc6b3de5985b1a

  • SHA512

    8d83a36907abd5ff74e10327ba1d949e887686ac6d647309c248c61b2f76ce0ce2b7ae685f373e70de1a3a2c9fa2879464b82e8d38d7d189fb0710627dce682c

Malware Config

Extracted

Family

socelars

C2

http://www.hhgenice.top/

Extracted

Family

vidar

Version

47.9

Botnet

916

C2

https://mas.to/@kirpich

Attributes
  • profile_id

    916

Extracted

Family

smokeloader

Version

2020

C2

http://misha.at/upload/

http://roohaniinfra.com/upload/

http://0axqpcc.cn/upload/

http://mayak-lombard.ru/upload/

http://mebel-lass.ru/upload/

http://dishakhan.com/upload/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

newjust

C2

135.181.129.119:4805

Extracted

Family

redline

Botnet

media0421

C2

91.121.67.60:23325

Targets

    • Target

      setup_x86_x64_install.exe

    • Size

      4.9MB

    • MD5

      841435f4e45af49e375b0160ed81aa3d

    • SHA1

      8b5db2582d1278329f143fa6f21b225d09e57af7

    • SHA256

      4e187f643987379c5429a9a36dee8df98eb43683b4cc28cb20dc6b3de5985b1a

    • SHA512

      8d83a36907abd5ff74e10327ba1d949e887686ac6d647309c248c61b2f76ce0ce2b7ae685f373e70de1a3a2c9fa2879464b82e8d38d7d189fb0710627dce682c

    • 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

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • 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

    • Downloads MZ/PE file

    • Executes dropped EXE

    • 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.

    • Accesses 2FA software files, possible credential harvesting

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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

Persistence

Modify Existing Service

1
T1031

Defense Evasion

Modify Registry

3
T1112

Disabling Security Tools

1
T1089

Virtualization/Sandbox Evasion

1
T1497

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