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

    e37dfd22eb88db0869e3629b579abd3f14c6cdaae221e84aa97be7c094753c70

  • Size

    409KB

  • Sample

    220521-a9ap4aeeeq

  • MD5

    8f82a47b21ce98fd48e4f220e40c8747

  • SHA1

    75cddca1f101896b6a5162e34671cefdf3d8ebf1

  • SHA256

    e37dfd22eb88db0869e3629b579abd3f14c6cdaae221e84aa97be7c094753c70

  • SHA512

    542f1ed9514b8663e90d9e1000ad6e19578698b69c69749ad63a96b7931e639cd2dffbc8b49c152a092a3c6a9dd6622080ee4ab58d538c7c7a52c564264b9448

Score
10/10
agentteslacollectionevasionkeyloggerpersistencerezer0spywarestealertrojan

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

      461KB

    • MD5

      1319cf2f252ccac65fc3d468b487593d

    • SHA1

      ba35e5badeaac9233605ca750849dd3ee324413a

    • SHA256

      0843dfe5e6b3266770393c129939c4fc85db09ee36dd51696fbc711a3b556460

    • SHA512

      025a7cb074dbb315bb9e3366cd71a1cced563a8e17143d1cdc51d20eeb0a73d374fbc1f5f044eba2edc111a2c1970654060b55f6c1c09b8331ca9e887e4561bb

    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