General

  • Target

    df153c9600eceb8c6f27a0ccdab8e964

  • Size

    504KB

  • Sample

    240326-nwfk3scc4x

  • MD5

    df153c9600eceb8c6f27a0ccdab8e964

  • SHA1

    eada4abcdc29f74556c9234c2556be9d96576d45

  • SHA256

    4bae6c537c27eb6acbf3a7e1607c72ff4485b44cc62f17283668ec849d1cc740

  • SHA512

    77d052248295ae67bbdd73e86e38576ed4704c124986895d2c6734b1f93717b76950363c6a9a244267748f712e43ef873f1a2e1d4f030d9d393274eec68940a5

  • SSDEEP

    12288:CNSPEZP6q2OCL3fnsPVRTGNDJ7UhKh/NKhYwzlpjh5u6:tA6quvsfTs1Kh3X

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    Mail.jingtai.com.vn
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    truongtuyen2209

Targets

    • Target

      SOA.exe

    • Size

      804KB

    • MD5

      60183d985a20da08edde84ad283fdb57

    • SHA1

      fa905171e489e10068ba2853fcf8c83865019283

    • SHA256

      0663ffc968c7a2870e7c3234b4c2c2c5bae705a12a1f84ff4527af8d8b9466e5

    • SHA512

      074645a61274efa80eb6451abd37628fef9d15ff889cdc6fb6da74baf2514160e8d0f049c4927fa3890baaa031f945dbdd03604535d4cb26374f38c6db406cff

    • SSDEEP

      12288:gjb/hCeQfNaK8RPWhdEFf+uHPxVXXQ3Oaf1HuqxNHxK+laHm6BmgCJtLYS7sK3Ex:ujseIanMdsmuU+a9ZXxrI

    • AgentTesla

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

    • AgentTesla payload

    • Drops file in Drivers directory

    • 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.

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • 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

Email Collection

1
T1114

Tasks