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Overview

overview

10

Static

static

3

e7b3793e45...18.exe

windows7-x64

10

e7b3793e45...18.exe

windows10-2004-x64

10

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General

  • Target

    e7b3793e45a0ba07901cf4aaae9881fc_JaffaCakes118

  • Size

    771KB

  • Sample

    240917-zxaxrsvcjh

  • MD5

    e7b3793e45a0ba07901cf4aaae9881fc

  • SHA1

    b21bd5b3d58501ff19dbca1373caac728a426e53

  • SHA256

    ff9b8ba13490fdd4310b5d623082f3715a8a6fea340bf1c91ba002f617d62f0e

  • SHA512

    891e37eb3630181608747fdfe5f95ddbaed5688c97f1c75c06e9f563003ac039ed1d8ecf81c66fc63c0e50ac69b106a154792463367291878dd793fbea85658f

  • SSDEEP

    12288:ssj5LNIj+RzBk9P2TO66eoNu2pKXyMBMJUClr/sZa6SviyqvivlLP1gjvltwj8ll:ssdJBzBgPgO35AxXyMBvClr/2pz

Score
10/10
agenttesladiscoveryevasionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    mail.elcomonline.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Elcom@302

Targets

    • Target

      e7b3793e45a0ba07901cf4aaae9881fc_JaffaCakes118

    • Size

      771KB

    • MD5

      e7b3793e45a0ba07901cf4aaae9881fc

    • SHA1

      b21bd5b3d58501ff19dbca1373caac728a426e53

    • SHA256

      ff9b8ba13490fdd4310b5d623082f3715a8a6fea340bf1c91ba002f617d62f0e

    • SHA512

      891e37eb3630181608747fdfe5f95ddbaed5688c97f1c75c06e9f563003ac039ed1d8ecf81c66fc63c0e50ac69b106a154792463367291878dd793fbea85658f

    • SSDEEP

      12288:ssj5LNIj+RzBk9P2TO66eoNu2pKXyMBMJUClr/sZa6SviyqvivlLP1gjvltwj8ll:ssdJBzBgPgO35AxXyMBvClr/2pz

    Score
    10/10
    agenttesladiscoveryevasionkeyloggerpersistencespywarestealertrojan

    • AgentTesla

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

      keyloggertrojanstealerspywareagenttesla

    • Modifies Windows Defender Real-time Protection settings

      evasiontrojan

    • 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.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence

    • 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 Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Impair Defenses

2
T1562

Disable or Modify Tools

2
T1562.001

Modify Registry

3
T1112

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

5
T1012

System Information Discovery

4
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Virtualization/Sandbox Evasion

2
T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks