Overview

overview

10

Static

static

Remittance...53.exe

windows7_x64

10

Remittance...53.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    c6eb2e79f00763ce42b8c4904bfd83869bcc09259ec4fbcbb194730be0f6206c

  • Size

    412KB

  • Sample

    220521-clnyxsebb6

  • MD5

    a94a26a8425ff49a98b6c6df2855dbc7

  • SHA1

    8eaa09a68532471dd4db8982b660b3fe7f560db8

  • SHA256

    c6eb2e79f00763ce42b8c4904bfd83869bcc09259ec4fbcbb194730be0f6206c

  • SHA512

    4b6e722ba32b57789e036b930454d4faef03d377c28aaf71bc06d21a5d4a1a0609e2ae12c598f00ef9846d9c4c6665d301e48b9ff38744b3969fa49befb09c08

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

      Remittance advice_63653.exe

    • Size

      455KB

    • MD5

      2879721f8b9759ef832a173a4aef7f74

    • SHA1

      e44ce3d55b58edd0fbdb51b78a2db0ca1da35d32

    • SHA256

      24be3b1c3a8a56f3028bb533082f4e8e93f1405b7066e4facde544c22010afa5

    • SHA512

      50014f4ab829d1e5379952ac2a19c46abfd0e73585231a6d6e0078db2218ff92149cc1b1d547eef7295ed3c48ff0866586509d5a2258b3bc2dd3bf1ccabe6625

    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