Overview

overview

10

Static

static

10

lb4_svchost.exe

windows7-x64

9

lb4_svchost.exe

windows10-2004-x64

9

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General

  • Target

    lb4_svchost.exe

  • Size

    145KB

  • Sample

    240703-k5hv1szdln

  • MD5

    0e7adc219b82b823214edc523797b83e

  • SHA1

    eb40b252523621aea48448efc0bf6b971cc906e7

  • SHA256

    5a3cc12e20a0ecc79f526cd28344d24f48ff4f6da89235293edd264f02f69404

  • SHA512

    44ab6ea43112e2c361c1303a4fb5e6edb9e0390c9c571ae0c8d7a87cb0a472d9fc2f034c98235db2676019bf025e09d5bfa7e783cfa4de5225be7acc9e51ba97

  • SSDEEP

    1536:izICS4AAwczUUf8y8gvMH+1zGSNAojMP95D1xD5bwnHm/1BviIdU/IqbNLu75RjJ:hqJogYkcSNm9V7D50nH2viI2xadRj1T

Score
10/10
lockbitransomwarespywarestealer

Malware Config

Targets

    • Target

      lb4_svchost.exe

    • Size

      145KB

    • MD5

      0e7adc219b82b823214edc523797b83e

    • SHA1

      eb40b252523621aea48448efc0bf6b971cc906e7

    • SHA256

      5a3cc12e20a0ecc79f526cd28344d24f48ff4f6da89235293edd264f02f69404

    • SHA512

      44ab6ea43112e2c361c1303a4fb5e6edb9e0390c9c571ae0c8d7a87cb0a472d9fc2f034c98235db2676019bf025e09d5bfa7e783cfa4de5225be7acc9e51ba97

    • SSDEEP

      1536:izICS4AAwczUUf8y8gvMH+1zGSNAojMP95D1xD5bwnHm/1BviIdU/IqbNLu75RjJ:hqJogYkcSNm9V7D50nH2viI2xadRj1T

    Score
    9/10
    ransomwarespywarestealer

    • Renames multiple (8243) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Checks computer location settings

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

    • Deletes itself

    • 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.

      spywarestealer

    • Drops desktop.ini file(s)

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks