Overview

overview

10

Static

static

New #PO 84042841.exe

windows7_x64

10

New #PO 84042841.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    a9ba0327f1ea8e71d77af0465dffe3038f7bc33910f908c97eab62b7bfcc404d

  • Size

    470KB

  • Sample

    220521-n2z7nshfdl

  • MD5

    5016f14b9881ace33328993e755daadf

  • SHA1

    15d15baa185a877ebeaf74ad59ba209a8c90e8fa

  • SHA256

    a9ba0327f1ea8e71d77af0465dffe3038f7bc33910f908c97eab62b7bfcc404d

  • SHA512

    8ed90434fe022fb42ae43b59aa1983a2ed3d485823890c7cd0dd80807d16f71eedb36b010d8ed40abaf2bd99a34c54468a47cdef645270a486b0c68e9bae583c

Score
10/10
agentteslacollectioncoreentitykeyloggerpersistencerezer0spywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    mail.sridurgaagros.com
  • Port:
    587
  • Username:
    patlog@sridurgaagros.com
  • Password:
    @Hammer1980

Targets

    • Target

      New #PO 84042841.exe

    • Size

      685KB

    • MD5

      20187c9899f3b395219e55133004bd23

    • SHA1

      952ca8e8eed8e2c05f7627e93ed4dad15a0fff9c

    • SHA256

      ba6c27eedbe9c1152f8232f685600ec69ad11ada7b6e82db997e08d89a1b0385

    • SHA512

      c8d9ab5f04c3514c207d712ec4211d41161848b1bc85dc37a4ef6b66f60ef79165ca2cb68fb965fa9e9e9ac42ab14ee7b19f05e1253815f47795f7478cecc082

    Score
    10/10
    agentteslacollectioncoreentitykeyloggerpersistencerezer0spywarestealertrojan

    • AgentTesla

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

      keyloggertrojanstealerspywareagenttesla

    • CoreEntity .NET Packer

      A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.

      coreentity

    • AgentTesla Payload

    • ReZer0 packer

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

      rezer0

    • 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