Overview

overview

10

Static

static

shipping d...DF.exe

windows7_x64

10

shipping d...DF.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    77665ab30eba7a50ea5af12facabff730840919e9587a68d77d24cabece7ecf8

  • Size

    400KB

  • Sample

    220521-n5zejseff2

  • MD5

    4e3ac74c7bc1f26c8ac4bd4abc6d2b39

  • SHA1

    9b0ab84564bc872885172ddb5abc33604f8e8b49

  • SHA256

    77665ab30eba7a50ea5af12facabff730840919e9587a68d77d24cabece7ecf8

  • SHA512

    365b3059a9089039bca912eec66ebc4259452d87f35fac39119994bbb1bf9e06f5f2332ffb53439ee6f0d027d70e764bdbce4f7f24d34ed2a1e988ae60a5f0e3

Score
10/10
agentteslacollectionevasionkeyloggerpersistencerezer0spywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    mail.microtechlab.in
  • Port:
    587
  • Username:
    reports@microtechlab.in
  • Password:
    pune@123

Targets

    • Target

      shipping documents.PDF.exe

    • Size

      433KB

    • MD5

      9bc66f36baedd02eb6b55e391d90b324

    • SHA1

      aaa6786ed70237361fb28250da350181d0fd28fe

    • SHA256

      4b1a13f1b1a0bff19df63d1ebf93a2c1c390896b77db3b724a2e5c03f6007d81

    • SHA512

      027dbf3d56939ad0d7f4bae865863e9da23d3be4278b2e7a257b8c08b135390322b298c4bece43cda407c6eeec07c4f41a5d5b72bcee4018c65b6530aa3f462e

    Score
    10/10
    agentteslacollectionevasionkeyloggerpersistencerezer0spywarestealertrojan

    • AgentTesla

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

      keyloggertrojanstealerspywareagenttesla

    • AgentTesla Payload

    • ReZer0 packer

      Detects ReZer0, a packer with multiple versions used in various campaigns.

      rezer0

    • Disables Task Manager via registry modification

      evasion

    • 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

2
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