Overview

overview

10

Static

static

Invoice.exe

windows7_x64

10

Invoice.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    Invoice.zip

  • Size

    674KB

  • Sample

    220521-mhm8bsehgm

  • MD5

    c7e632371e60341b5427d07f855f0c39

  • SHA1

    468c27a2258316e2ada6f49d0e4494f19f17d5b7

  • SHA256

    7c06c65757abcfbd111c3abcc82c01604a84546f30d2ce79ba7344a4490f722b

  • SHA512

    71be0594283b5782eaef7284dfd20abaac64dfd3dfa91df1e89e840d88384124b2faca7baff173259fcea692ec520f24da3b63ab3e8f3a71a68252e741116a09

Score
10/10
agentteslacollectionkeyloggerpersistencespywarestealersuricatatrojan

Malware Config

Extracted

Credentials

  • Protocol:     smtp
  • Host:
    mail.subnet-group.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    cr0cksh1t

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      Invoice.exe

    • Size

      791KB

    • MD5

      425d7d79e7b8a6b79890453f242f830b

    • SHA1

      b1dbeb640fd5853906014f923bd10ab82832c717

    • SHA256

      6a0cdf63baad32236d845d0027822d4e9c67ac4f9bddd9933ada09f9811dbca5

    • SHA512

      51c93e7b771c09f9a1bdaaf0191598eb5a95b6cac49e2bd2ab34d613e6607dc8a6d85537494d382c85d16778298e3f25d60652542795f9158e506a4519e1ba05

    Score
    10/10
    agentteslacollectionkeyloggerpersistencespywarestealersuricatatrojan

    • AgentTesla

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

      keyloggertrojanstealerspywareagenttesla

    • suricata: ET MALWARE AgentTesla Exfil Via SMTP

      suricata: ET MALWARE AgentTesla Exfil Via SMTP

      suricata

    • Drops file in Drivers directory

    • Checks computer location settings

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

    • 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

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

Tasks