General

  • Target

    setup_x86_x64_install.exe

  • Size

    4.6MB

  • Sample

    210926-r8qtcsfac3

  • MD5

    f7cf8f9694e81ee7d8af08ebb8324bc0

  • SHA1

    28183d4304bc8257b9e3bf922c2d684075bdf552

  • SHA256

    84b57d3d7fdabaebcd85cf01dbf14b9cb94e08fe081abcb60b218c1298c55995

  • SHA512

    402fb16fb00cce4146bb7720317b7040d9987fb80b1beeda95e47158f8652fa6da70eb10b99ec64ebd49db3942fad0dcd349f6b3bbe1bce8178e730a13083e22

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://govsurplusstore.com/upload/

http://best-forsale.com/upload/

http://chmxnautoparts.com/upload/

http://kwazone.com/upload/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

jamesoldd

C2

65.108.20.195:6774

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://shellloader.top/welcome

Targets

    • Target

      setup_x86_x64_install.exe

    • Size

      4.6MB

    • MD5

      f7cf8f9694e81ee7d8af08ebb8324bc0

    • SHA1

      28183d4304bc8257b9e3bf922c2d684075bdf552

    • SHA256

      84b57d3d7fdabaebcd85cf01dbf14b9cb94e08fe081abcb60b218c1298c55995

    • SHA512

      402fb16fb00cce4146bb7720317b7040d9987fb80b1beeda95e47158f8652fa6da70eb10b99ec64ebd49db3942fad0dcd349f6b3bbe1bce8178e730a13083e22

    • 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.

    • Vidar Stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • 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.

    • 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.

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

System Information Discovery

2
T1082

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks