General

  • Target

    2771d19509020f26e66b8af84fd8b4af0e02ded04ba73bcb9b57987f7863975f

  • Size

    157KB

  • Sample

    240328-bme7qsce2y

  • MD5

    fdd319fa7de7f43c93afdff04162281d

  • SHA1

    6512ed74b9d7dc4d425f3652e39ff4691b09c5c8

  • SHA256

    2771d19509020f26e66b8af84fd8b4af0e02ded04ba73bcb9b57987f7863975f

  • SHA512

    b09231c91780d4b58226862d4a02a2f310b00375ed871efae6d761e97015ba412c9df9390efb3ef0f9fddcb912ab3c4032a1cda51fd7ee422324dab97e12777e

  • SSDEEP

    1536:gwcgVKD5XghB2jm/w7ecwOJhv9lMuEqTIm4gKN2PqAqMX3ciIAnoejei:vXVKlM7dOJCuTKNhAqimAN6

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot7178103238:AAFpcijMmYeMlJJVnAmpmroCaHuSs5YlbxU/

Extracted

Family

xworm

C2

127.0.0.1:5000

51.89.241.91:5000

Attributes
  • Install_directory

    %Public%

  • install_file

    Adobe Cloud.exe

  • telegram

    https://api.telegram.org/bot5474576959:AAEFEPb7hmHEmq_ZM_jasyYk46DECm44Sm0/sendMessage?chat_id=1412104349

Targets

    • Target

      2771d19509020f26e66b8af84fd8b4af0e02ded04ba73bcb9b57987f7863975f

    • Size

      157KB

    • MD5

      fdd319fa7de7f43c93afdff04162281d

    • SHA1

      6512ed74b9d7dc4d425f3652e39ff4691b09c5c8

    • SHA256

      2771d19509020f26e66b8af84fd8b4af0e02ded04ba73bcb9b57987f7863975f

    • SHA512

      b09231c91780d4b58226862d4a02a2f310b00375ed871efae6d761e97015ba412c9df9390efb3ef0f9fddcb912ab3c4032a1cda51fd7ee422324dab97e12777e

    • SSDEEP

      1536:gwcgVKD5XghB2jm/w7ecwOJhv9lMuEqTIm4gKN2PqAqMX3ciIAnoejei:vXVKlM7dOJCuTKNhAqimAN6

    • AgentTesla

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

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • 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.

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

3
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

4
T1005

Tasks