General

  • Target

    setup_x86_x64_install.exe

  • Size

    5MB

  • Sample

    211028-vfmssabhg4

  • MD5

    3ad67010f1d4a291524a848856543ec8

  • SHA1

    586eeb28c512f63371f1bb3fd2ff5014be13aecf

  • SHA256

    a65439ee7ce834a2fe1bbdbe3030c9221f02a0460ba510c41ea4f246de5ac439

  • SHA512

    86dba408b3cb93300a6d20f46216011e01bb6b0589984d22e338723beb266114ae07d9ede786189604fdaf9ce3c02d77639605f94d2b3c122031c3615d146e83

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://brandyjaggers.com/upload/

http://andbal.com/upload/

http://alotofquotes.com/upload/

http://szpnc.cn/upload/

http://uggeboots.com/upload/

http://100klv.com/upload/

http://rapmusic.at/upload/

rc4.i32
rc4.i32

Extracted

Language ps1
Deobfuscated
URLs
ps1.dropper

https://raw.githubusercontent.com/sqlitey/sqlite/master/speed.ps1

Extracted

Family

redline

Botnet

sert23

C2

135.181.129.119:4805

Extracted

Family

redline

Botnet

chris

C2

194.104.136.5:46013

Extracted

Family

vidar

Version

41.6

Botnet

933

C2

https://mas.to/@lilocc

Attributes
profile_id
933

Targets

    • Target

      setup_x86_x64_install.exe

    • Size

      5MB

    • MD5

      3ad67010f1d4a291524a848856543ec8

    • SHA1

      586eeb28c512f63371f1bb3fd2ff5014be13aecf

    • SHA256

      a65439ee7ce834a2fe1bbdbe3030c9221f02a0460ba510c41ea4f246de5ac439

    • SHA512

      86dba408b3cb93300a6d20f46216011e01bb6b0589984d22e338723beb266114ae07d9ede786189604fdaf9ce3c02d77639605f94d2b3c122031c3615d146e83

    • Formbook

      Formbook is a data stealing malware which is capable of stealing data.

    • 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

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Checks for common network interception software

      Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.

    • Grants admin privileges

      Uses net.exe to modify the user's privileges.

    • 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

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Modifies RDP port number used by Windows

    • Sets DLL path for service in the registry

    • 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.

    • Deletes itself

    • 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.

    • 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

    • 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