General

  • Target

    ff616573fb637b94423e48fd46d1c38c4f42f001d10249f6a9544877a99b2296

  • Size

    251KB

  • Sample

    230323-j2xz4aed67

  • MD5

    4b69759e59cb6f6d1994bcbe499b9c72

  • SHA1

    3f51d8a510953a1fe183c8cd88274d3d71423a28

  • SHA256

    ff616573fb637b94423e48fd46d1c38c4f42f001d10249f6a9544877a99b2296

  • SHA512

    6265ebac2f6d772ad6263eebd15674a07a57d182081be20b5b49faeb3d08b0c4a8540f1615f6bdb0a587c7f7edb6c1e4ff32d33d8d191e21e03b738722d8aebc

  • SSDEEP

    3072:W4GXazg/9iZLcYbLlrKcPWTE6+7F8y2XuskNinCar5hX2sTUOt1:EM8YbLlmyrJfDLinCOX2s

Malware Config

Extracted

Family

smokeloader

Botnet

sprg

Extracted

Family

smokeloader

Version

2022

C2

http://hoh0aeghwugh2gie.com/

http://hie7doodohpae4na.com/

http://aek0aicifaloh1yo.com/

http://yic0oosaeiy7ahng.com/

http://wa5zu7sekai8xeih.com/

rc4.i32
rc4.i32

Targets

    • Target

      ff616573fb637b94423e48fd46d1c38c4f42f001d10249f6a9544877a99b2296

    • Size

      251KB

    • MD5

      4b69759e59cb6f6d1994bcbe499b9c72

    • SHA1

      3f51d8a510953a1fe183c8cd88274d3d71423a28

    • SHA256

      ff616573fb637b94423e48fd46d1c38c4f42f001d10249f6a9544877a99b2296

    • SHA512

      6265ebac2f6d772ad6263eebd15674a07a57d182081be20b5b49faeb3d08b0c4a8540f1615f6bdb0a587c7f7edb6c1e4ff32d33d8d191e21e03b738722d8aebc

    • SSDEEP

      3072:W4GXazg/9iZLcYbLlrKcPWTE6+7F8y2XuskNinCar5hX2sTUOt1:EM8YbLlmyrJfDLinCOX2s

    • Lumma Stealer

      An infostealer written in C++ first seen in August 2022.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Downloads MZ/PE file

    • Deletes itself

    • Executes dropped EXE

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • 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.

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

3
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Collection

Data from Local System

3
T1005

Tasks