Overview

overview

10

Static

static

4UFa32rSDVEyUvb.exe

windows7_x64

10

4UFa32rSDVEyUvb.exe

windows10_x64

10

Sharing

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General

  • Target

    4UFa32rSDVEyUvb.exe

  • Size

    683KB

  • Sample

    210504-qedf7kqj92

  • MD5

    4a99d877018f30de83c9cfe46541a4d9

  • SHA1

    c5870fd062129bc05ca85ce6c94c5ec90aa4b88c

  • SHA256

    8707ecc0a4c23b20c51f608c251d83d130c9987217f4351d01f355cd005bce0d

  • SHA512

    6af823be3ac5657cbc1bf1dc5305b55ec354377aacca5bcea1df979d59de11b130a1b481204269cd1a7232503094d24556833a499469a74bc4bf9b7004299ff8

Score
10/10
agentteslaevasionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    smtp.sierametals.com
  • Port:
    587
  • Username:
    logs1@sierametals.com
  • Password:
    @^*KJwX7

Targets

    • Target

      4UFa32rSDVEyUvb.exe

    • Size

      683KB

    • MD5

      4a99d877018f30de83c9cfe46541a4d9

    • SHA1

      c5870fd062129bc05ca85ce6c94c5ec90aa4b88c

    • SHA256

      8707ecc0a4c23b20c51f608c251d83d130c9987217f4351d01f355cd005bce0d

    • SHA512

      6af823be3ac5657cbc1bf1dc5305b55ec354377aacca5bcea1df979d59de11b130a1b481204269cd1a7232503094d24556833a499469a74bc4bf9b7004299ff8

    Score
    10/10
    agentteslaevasionkeyloggerspywarestealertrojan

    • AgentTesla

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

      keyloggertrojanstealerspywareagenttesla

    • AgentTesla Payload

    • Looks for VirtualBox Guest Additions in registry

      evasion

    • Looks for VMWare Tools registry key

      evasion

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks