Overview

overview

10

Static

static

1

particovl.bat

windows7-x64

8

particovl.bat

windows10-2004-x64

10

Sharing

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General

  • Target

    particovl.zip

  • Size

    855KB

  • Sample

    230321-mrpgrabg91

  • MD5

    aa755552111760cbec58b6732f2911fc

  • SHA1

    3c77f0366d7d492e3cdf16006b2fe312f3ee89b8

  • SHA256

    d3ec28c089d98942413d9d197ff38b0bd2c336df708564307467edb58f23ea37

  • SHA512

    2bd8d82a0f16b4bc49065afc7967008ceb94e777b36247c529169e00be85a6022148a0560560d14cc773321e912e50921d96f201f9e6c4764b4260cbee216470

  • SSDEEP

    384:ynnK9MGosyer556ig9WCc8BN9gCjUslRfDhGkjr/eaLgCbo39dSrYC:ynKe7sPR6N+NsLFGGr/HgC836

Score
10/10
lummaevasionpersistencespywarestealer

Malware Config

Targets

    • Target

      particovl.bat

    • Size

      699.1MB

    • MD5

      85e4843ddbeb2ef9a3cdea6497bbdfa9

    • SHA1

      5556ac2aa0d52daa7240877e6df1b60d3969ecec

    • SHA256

      4049b93a33911701f2b975d19db0f91e4ae70ccbeee83a93f3352aa76a0152d8

    • SHA512

      6c875856504f70ac80912f88e61fd67e9e37e0001d4c0a3c1f6703f69f0e3194142b6c93d941a85d2d721e53a2c1c2e1c59665ccd8fbb803419388d1908e8684

    • SSDEEP

      384:Yi56N+inFXIvK0NgMzIR9tFhnvOTSMnZdqEoyZZd5hJUvCUvcmS/lggNbQRq55en:8X+K8xwvWSpmZ5emKAbJ55hz0h

    Score
    10/10
    evasionpersistencelummaspywarestealer

    • Lumma Stealer

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

      stealerlumma

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Hidden Files and Directories

2
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

2
T1158

Modify Registry

1
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

2
T1005

Exfiltration

Command and Control

Impact

Tasks