General

  • Target

    swift copy.exe

  • Size

    719KB

  • Sample

    201109-rwh3lxvygn

  • MD5

    e81c9c4f4938a3776316f8f53f496fcb

  • SHA1

    b2812675de55190e6d4cec7f7793220f85125d8c

  • SHA256

    c81e2f0203afa0e7ae9f21ac44dd1f802ca9ab7ccb6e1b1a8bca306cf98f78c0

  • SHA512

    5245d82aaa8b7d60bcacbe5085c801b7d302813998279678dcc6456d2f773077b0f40ea9a0d4c0cae0bf1abf8e6f2d121294babf196c081da5a9dc276b3f447f

Malware Config

Targets

    • Target

      swift copy.exe

    • Size

      719KB

    • MD5

      e81c9c4f4938a3776316f8f53f496fcb

    • SHA1

      b2812675de55190e6d4cec7f7793220f85125d8c

    • SHA256

      c81e2f0203afa0e7ae9f21ac44dd1f802ca9ab7ccb6e1b1a8bca306cf98f78c0

    • SHA512

      5245d82aaa8b7d60bcacbe5085c801b7d302813998279678dcc6456d2f773077b0f40ea9a0d4c0cae0bf1abf8e6f2d121294babf196c081da5a9dc276b3f447f

    • AgentTesla

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

    • CoreEntity .NET Packer

      A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.

    • AgentTesla Payload

    • rezer0

      Detects ReZer0, a packer with multiple versions used in various campaigns.

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

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

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

3
T1005

Tasks