Overview

overview

10

Static

static

overdue ac...DF.exe

windows7_x64

10

overdue ac...DF.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    67828ab0213db4087e433ac63765e783b0abbdf6437a3d84c5749f47b40c432b

  • Size

    400KB

  • Sample

    220521-dcgc6aaedl

  • MD5

    74de7ee54577222282c8c0c2256a44a9

  • SHA1

    868e51a3d4521934227677fa59a624e49d8a9f6c

  • SHA256

    67828ab0213db4087e433ac63765e783b0abbdf6437a3d84c5749f47b40c432b

  • SHA512

    344ca7b4429148264b247afd605208f581b936e2a4963f78ec48718d51548e1abbd54856a060d1e92109cac8335cd8ee9187bd7edd87b20848618ba6197e1dbc

Score
10/10
agentteslaevasionkeyloggerpersistencerezer0spywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    mail.microtechlab.in
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    pune@123

Targets

    • Target

      overdue account letter.PDF.exe

    • Size

      433KB

    • MD5

      9bc66f36baedd02eb6b55e391d90b324

    • SHA1

      aaa6786ed70237361fb28250da350181d0fd28fe

    • SHA256

      4b1a13f1b1a0bff19df63d1ebf93a2c1c390896b77db3b724a2e5c03f6007d81

    • SHA512

      027dbf3d56939ad0d7f4bae865863e9da23d3be4278b2e7a257b8c08b135390322b298c4bece43cda407c6eeec07c4f41a5d5b72bcee4018c65b6530aa3f462e

    Score
    10/10
    agentteslaevasionkeyloggerpersistencerezer0spywarestealertrojan

    • 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.

    • 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

Exfiltration

Command and Control

Impact

Tasks