General

  • Target

    7ab683820378c2f748909f97238afa5c9c45ab15b312a4a91d37590d82192110

  • Size

    673KB

  • Sample

    240426-chvbjahb7w

  • MD5

    d4d8502e34f2f75cb1504e1d779f81ab

  • SHA1

    e05b5cf4c2eecbc0bd67787e8ad4a7ba04ea8dda

  • SHA256

    7ab683820378c2f748909f97238afa5c9c45ab15b312a4a91d37590d82192110

  • SHA512

    ec02ae4081e6a289f83502a9c80dca9d1c77bb26b00513ed8fd3f20ac37d98753b0f95292d73ae5d3a16911511aba5d1749fae2ff1d5d4f667cad8841ea0c2f9

  • SSDEEP

    12288:Mbg50RnPXWYdgs4jz9p5RcLK1DbmuoeB9tMmtJzF67TIKbVteyIDkeDtNWTJe42m:0PhPe91cCDCuLtHlOvVIyIPbWANS3d

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.lamcopaper.com
  • Port:
    587
  • Username:
    susan.bendicion@lamcopaper.com
  • Password:
    @Lamco1407
  • Email To:
    bombsking501@gmail.com

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.lamcopaper.com
  • Port:
    587
  • Username:
    susan.bendicion@lamcopaper.com
  • Password:
    @Lamco1407

Targets

    • Target

      Order PS24S0040.exe

    • Size

      721KB

    • MD5

      03a59d3a761a1783ca411ab3942216bf

    • SHA1

      e99da9612abf33e8c41ee0c6809a297e3024aed7

    • SHA256

      12c87134f22f88d5fb3d85de8ec901967072b11cfe1b6a9f10a9b50d67ef8dfd

    • SHA512

      c466702ae9c271aeb5a2904d86b50fd799d2e83f2b852e5641506229adf804d565448b24ae26ac6867a337921fcfc31b4538786607c6b6bb821d2c1163fbdae2

    • SSDEEP

      12288:WWYIPXjxannnHg2jhdgsmjzVp5vcvKLhbo8GeB9tmmx1f767N8KbV5TuweyKDkQD:WWYIPFannnHg2fPEV7cyhsELtJBojV5m

    • AgentTesla

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

    • Checks computer location settings

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

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

4
T1005

Tasks