Overview

overview

10

Static

static

Remittance...DF.exe

windows7_x64

10

Remittance...DF.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    d8c393bd9671437f2e0618b772639fe6bdcc1678b160fc72a257f0ae220bb3bf

  • Size

    391KB

  • Sample

    220521-ny8pmsech9

  • MD5

    2db30c14fd0b3fec94cf0ba512810bf8

  • SHA1

    923d40fa97fcd7dd2bb5374801403de550e040d4

  • SHA256

    d8c393bd9671437f2e0618b772639fe6bdcc1678b160fc72a257f0ae220bb3bf

  • SHA512

    a6921cb77ff4aebd5f202162713fc3d73f45f38cbcc1666a4273aafc96618345f2e5a62b88774a3d9d879dbdbf34353ee623790b3a2471747453f3101424129c

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

      Remittance advice SLIP.PDF.exe

    • Size

      424KB

    • MD5

      f0b3e2a7cef0d4e0c6e094676550221a

    • SHA1

      fc8cddcf6526cd3ee94141b6299c7069ad1b19b0

    • SHA256

      6ae9b8c271b5110c7cceb8b7d39522dd8d444dddcfa3691726ff3580562a73b7

    • SHA512

      3a0f6d6e979871ecdf4cce66e63674ecd32568f0d45f91448b0bb986fccbbf3173734f992d6c0add58c5437fd048e36c4b00bd8efcbcf5c161b35b8c7e26178a

    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