General

  • Target

    680af0e5daedc2cfb99b2894cfd8cb95.exe

  • Size

    230KB

  • Sample

    240114-jksztaedfq

  • MD5

    680af0e5daedc2cfb99b2894cfd8cb95

  • SHA1

    e1c7672f6926b36874bbbb1169b4fe85a51e3d21

  • SHA256

    8b57faa28f32192c5f5fa3e2f5b865207a2e84a43c145d6b06416857c3ae8717

  • SHA512

    873e6ad9406f0099c20542f9bd82c38f0ef702c270c2822bd4a5426641d44ded54719354162e618de20ed86bfe98053f645e676747254eb062087c4d2586eb73

  • SSDEEP

    3072:v1fA6cZgX/dPsRf7JieMC1KND5apczWLLjL0oPdZz20nM55RIc3UxS6DeILYS:v1fA6vNWzpcz0jLJPXn5c3UReILY

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://selebration17io.io/index.php

http://vacantion18ffeu.cc/index.php

http://valarioulinity1.net/index.php

http://buriatiarutuhuob.net/index.php

http://cassiosssionunu.me/index.php

http://sulugilioiu19.net/index.php

http://goodfooggooftool.net/index.php

rc4.i32
rc4.i32

Extracted

Family

stealc

C2

http://185.172.128.79

Attributes
  • url_path

    /3886d2276f6914c4.php

rc4.plain

Extracted

Family

smokeloader

Botnet

pub1

Targets

    • Target

      680af0e5daedc2cfb99b2894cfd8cb95.exe

    • Size

      230KB

    • MD5

      680af0e5daedc2cfb99b2894cfd8cb95

    • SHA1

      e1c7672f6926b36874bbbb1169b4fe85a51e3d21

    • SHA256

      8b57faa28f32192c5f5fa3e2f5b865207a2e84a43c145d6b06416857c3ae8717

    • SHA512

      873e6ad9406f0099c20542f9bd82c38f0ef702c270c2822bd4a5426641d44ded54719354162e618de20ed86bfe98053f645e676747254eb062087c4d2586eb73

    • SSDEEP

      3072:v1fA6cZgX/dPsRf7JieMC1KND5apczWLLjL0oPdZz20nM55RIc3UxS6DeILYS:v1fA6vNWzpcz0jLJPXn5c3UReILY

    • Detect ZGRat V1

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Stealc

      Stealc is an infostealer written in C++.

    • ZGRat

      ZGRat is remote access trojan written in C#.

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

    • Downloads MZ/PE file

    • 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

    • Drops startup 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.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • 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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks