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

    671KB

  • Sample

    220521-mhm8bsehgn

  • MD5

    bb2440bcadb6bd7fca7a4de361c7329c

  • SHA1

    e2b4a8c2887e7f9fde6b324305e39fc89b95e8c5

  • SHA256

    b71d9e0fd1511a3f15bca0bba7751bd3d76cd48b8c9ac740eeced84ed9eb65ea

  • SHA512

    faed918d53f9ba8630f97c5077474e648ee8114d96df6980370b98e8876f33205afda9b2c46b187ab22afcca2f7668df7fbb76788998cdac14a07d4314d4d0c5

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

      787KB

    • MD5

      c2a0577aead47c20d54918758c471247

    • SHA1

      ffc6087cc7e098e74bd5efb3f6971342d5c1f12b

    • SHA256

      0918c0111b97f8a25e9717e9b74a96c85e9f3801e2922bb050e8024edf9adff0

    • SHA512

      1024c14e1fe279887e80b2f4d4b4423ef943bf6355f762b3a24cd6964e2350e77a2e0c43c0478a37fe46a8253f5866e4793dfd7225066e716e6165d623b4c84a

    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