Overview

overview

10

Static

static

Shipment D...s.xlsx

windows7_x64

10

Shipment D...s.xlsx

windows10_x64

1

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General

  • Target

    Shipment Documents.xlsx

  • Size

    301KB

  • Sample

    211019-hs86bsfda7

  • MD5

    f4d40b4b78f2056ebcfaf52b52163be1

  • SHA1

    5c627e0e50a1211e2557c87358b360720f3a52da

  • SHA256

    abb24af23f4bb11299c2e428f36242b872ca4ebe7757500322c2ad0b6bdee43a

  • SHA512

    3d1f9e5c39588813d57416ddc24939fc5203d19426689fd1abdb340f3883a812d2845db502ec4cdc845c68b7aee9a5cdf956bcad0c341577fca2da16b4a451cb

Score
10/10
agentteslacollectionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    mail.croatiahunt.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    VilaVrgade852

Targets

    • Target

      Shipment Documents.xlsx

    • Size

      301KB

    • MD5

      f4d40b4b78f2056ebcfaf52b52163be1

    • SHA1

      5c627e0e50a1211e2557c87358b360720f3a52da

    • SHA256

      abb24af23f4bb11299c2e428f36242b872ca4ebe7757500322c2ad0b6bdee43a

    • SHA512

      3d1f9e5c39588813d57416ddc24939fc5203d19426689fd1abdb340f3883a812d2845db502ec4cdc845c68b7aee9a5cdf956bcad0c341577fca2da16b4a451cb

    Score
    10/10
    agentteslacollectionkeyloggerpersistencespywarestealertrojan

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

      keyloggertrojanstealerspywareagenttesla

    • AgentTesla Payload

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

      spywarestealer

    • Reads user/profile data of local email clients

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

      spywarestealer

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Uses the VBS compiler for execution

    • Accesses Microsoft Outlook profiles

      collection

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1
T1064

Scheduled Task

1
T1053

Exploitation for Client Execution

1
T1203

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Scripting

1
T1064

Modify Registry

2
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

System Information Discovery

3
T1082

Query Registry

2
T1012

Lateral Movement

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

Tasks