Overview

overview

10

Static

static

3

weave.exe

windows7-x64

10

weave.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    weave.exe

  • Size

    3.4MB

  • Sample

    240921-gb4c3sxdrr

  • MD5

    19eeb3ce01f40894ced6065215d7a666

  • SHA1

    6da9fb24f7560284219c0aa42134be3d76615c7c

  • SHA256

    2c80f72b0be446e73b7f8f7e660750d8147a527b3e0c1316c2ddadc708e783c3

  • SHA512

    9ad07ec548303e7d2db20093441710f4a08725ccc2365904ab3ef670a174030733409a4b22324eece2ba472354c32ad34bd96fb9cc095696a84caac70f0ef801

  • SSDEEP

    49152:12quZB3Lyy3ok0xaAmNu2WsgAbfjHsKTJ4Nz9kP93s8+g/l7mKyftvzQBNomC6H:IHX3LyC0L7AbfjJT/l7byV4NJH

Score
10/10
credential_accessdiscoverypersistencespywarestealer

Malware Config

Targets

    • Target

      weave.exe

    • Size

      3.4MB

    • MD5

      19eeb3ce01f40894ced6065215d7a666

    • SHA1

      6da9fb24f7560284219c0aa42134be3d76615c7c

    • SHA256

      2c80f72b0be446e73b7f8f7e660750d8147a527b3e0c1316c2ddadc708e783c3

    • SHA512

      9ad07ec548303e7d2db20093441710f4a08725ccc2365904ab3ef670a174030733409a4b22324eece2ba472354c32ad34bd96fb9cc095696a84caac70f0ef801

    • SSDEEP

      49152:12quZB3Lyy3ok0xaAmNu2WsgAbfjHsKTJ4Nz9kP93s8+g/l7mKyftvzQBNomC6H:IHX3LyC0L7AbfjJT/l7byV4NJH

    Score
    10/10
    discoverypersistencecredential_accessspywarestealer

    • Modifies WinLogon for persistence

      persistence

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

      credential_accessstealer

    • Checks computer location settings

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

    • 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

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Modify Registry

3
T1112

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Browser Information Discovery

1
T1217

Query Registry

3
T1012

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks