Overview

overview

10

Static

static

file.exe

windows7-x64

10

file.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    file.exe

  • Size

    258KB

  • Sample

    230116-htsvqsba24

  • MD5

    9edbea943982f7a94e9fbbeaad334299

  • SHA1

    e671870f03ba365635b07b27f508c96c66de3bc4

  • SHA256

    7e6e883a0e31b907f50dee651a4a9c54516496c85bf86d2b328e033331661bdb

  • SHA512

    3314db9ebdc307e8c5a987d1b2e619ed404a4d59f1e7ffdc97b64c51616782fd3e14b9f74d1154ffd244d6b2c50d1d225a4b0d7be3e998eb4a3bbfd4ef13c687

  • SSDEEP

    6144:77PXfWLqmrvtrVxmhIsLkliDTrrj9U4zqQna:77P+2m7tfmqqkliDTrrxFP

Score
10/10
lummasmokeloaderbackdoorcollectiondiscoverypersistencespywarestealertrojan

Malware Config

Extracted

Family

lumma

C2

77.73.134.68

Targets

    • Target

      file.exe

    • Size

      258KB

    • MD5

      9edbea943982f7a94e9fbbeaad334299

    • SHA1

      e671870f03ba365635b07b27f508c96c66de3bc4

    • SHA256

      7e6e883a0e31b907f50dee651a4a9c54516496c85bf86d2b328e033331661bdb

    • SHA512

      3314db9ebdc307e8c5a987d1b2e619ed404a4d59f1e7ffdc97b64c51616782fd3e14b9f74d1154ffd244d6b2c50d1d225a4b0d7be3e998eb4a3bbfd4ef13c687

    • SSDEEP

      6144:77PXfWLqmrvtrVxmhIsLkliDTrrj9U4zqQna:77P+2m7tfmqqkliDTrrxFP

    Score
    10/10
    smokeloaderbackdoortrojanlummacollectiondiscoverypersistencespywarestealer

    • Detects Smokeloader packer

    • Lumma Stealer

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

      stealerlumma

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

      trojanbackdoorsmokeloader

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Sets DLL path for service in the registry

      persistence

    • Sets service image path in registry

      persistence

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Accesses Microsoft Outlook accounts

      collection

    • Accesses Microsoft Outlook profiles

      collection

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

2
T1060

Privilege Escalation

Defense Evasion

Modify Registry

3
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Data from Local System

2
T1005

Email Collection

2
T1114

Exfiltration

Command and Control

Impact

Tasks